diff --git a/src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.cs b/src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.cs
index 883693031e..05db95917e 100644
--- a/src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.cs
+++ b/src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.cs
@@ -358,26 +358,9 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "MultiplySrc" composition equation.
-    /// </summary>
-    public class MultiplySrc : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static MultiplySrc Instance { get; } = new MultiplySrc();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -389,14 +372,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -404,7 +405,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -416,34 +418,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -454,18 +469,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -473,7 +507,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -484,34 +519,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -522,6 +571,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -541,11 +591,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -553,7 +619,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -566,6 +633,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -578,31 +646,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -612,6 +691,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -636,10 +716,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -647,7 +743,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -659,6 +756,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -672,43 +770,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "AddSrc" composition equation.
+    /// A pixel blender that implements the "MultiplySrc" composition equation.
     /// </summary>
-    public class AddSrc : PixelBlender<TPixel>
+    public class MultiplySrc : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static AddSrc Instance { get; } = new AddSrc();
+        public static MultiplySrc Instance { get; } = new MultiplySrc();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -728,7 +837,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -739,7 +848,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], amount);
                     }
                 }
             }
@@ -755,7 +864,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -765,14 +874,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], amount);
                 }
             }
         }
@@ -798,7 +907,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -808,7 +917,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, amount);
                     }
                 }
             }
@@ -824,7 +933,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -833,14 +942,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, amount);
                 }
             }
         }
@@ -876,7 +985,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -888,7 +997,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -913,7 +1022,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -924,14 +1033,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -971,7 +1080,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -982,7 +1091,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -1007,7 +1116,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -1017,37 +1126,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "SubtractSrc" composition equation.
-    /// </summary>
-    public class SubtractSrc : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static SubtractSrc Instance { get; } = new SubtractSrc();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -1059,14 +1151,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -1074,7 +1184,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -1086,34 +1197,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -1124,18 +1248,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -1143,7 +1286,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -1154,34 +1298,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -1192,6 +1350,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -1211,11 +1370,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -1223,7 +1398,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -1236,6 +1412,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -1248,31 +1425,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -1282,6 +1470,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -1306,10 +1495,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -1317,7 +1522,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -1329,6 +1535,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -1342,43 +1549,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "ScreenSrc" composition equation.
+    /// A pixel blender that implements the "AddSrc" composition equation.
     /// </summary>
-    public class ScreenSrc : PixelBlender<TPixel>
+    public class AddSrc : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static ScreenSrc Instance { get; } = new ScreenSrc();
+        public static AddSrc Instance { get; } = new AddSrc();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -1398,7 +1616,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -1409,7 +1627,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], amount);
                     }
                 }
             }
@@ -1425,7 +1643,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -1435,14 +1653,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], amount);
                 }
             }
         }
@@ -1468,7 +1686,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -1478,7 +1696,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.AddSrc(background[i], source, amount);
                     }
                 }
             }
@@ -1494,7 +1712,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -1503,14 +1721,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source, amount);
                 }
             }
         }
@@ -1546,7 +1764,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -1558,7 +1776,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -1583,7 +1801,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -1594,14 +1812,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -1641,7 +1859,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -1652,7 +1870,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -1677,7 +1895,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -1687,37 +1905,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "DarkenSrc" composition equation.
-    /// </summary>
-    public class DarkenSrc : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static DarkenSrc Instance { get; } = new DarkenSrc();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -1729,14 +1930,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -1744,7 +1963,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -1756,34 +1976,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -1794,18 +2027,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -1813,7 +2065,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -1824,34 +2077,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -1862,6 +2129,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -1881,11 +2149,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -1893,7 +2177,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -1906,6 +2191,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -1918,31 +2204,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -1952,6 +2249,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -1976,10 +2274,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -1987,7 +2301,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -1999,6 +2314,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -2012,43 +2328,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "LightenSrc" composition equation.
+    /// A pixel blender that implements the "SubtractSrc" composition equation.
     /// </summary>
-    public class LightenSrc : PixelBlender<TPixel>
+    public class SubtractSrc : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static LightenSrc Instance { get; } = new LightenSrc();
+        public static SubtractSrc Instance { get; } = new SubtractSrc();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -2068,7 +2395,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -2079,7 +2406,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], amount);
                     }
                 }
             }
@@ -2095,7 +2422,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -2105,14 +2432,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], amount);
                 }
             }
         }
@@ -2138,7 +2465,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -2148,7 +2475,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, amount);
                     }
                 }
             }
@@ -2164,7 +2491,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -2173,14 +2500,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, amount);
                 }
             }
         }
@@ -2216,7 +2543,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -2228,7 +2555,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -2253,7 +2580,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -2264,14 +2591,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -2311,7 +2638,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -2322,7 +2649,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -2347,7 +2674,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -2357,37 +2684,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "OverlaySrc" composition equation.
-    /// </summary>
-    public class OverlaySrc : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static OverlaySrc Instance { get; } = new OverlaySrc();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -2399,14 +2709,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -2414,7 +2742,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -2426,34 +2755,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -2464,18 +2806,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -2483,7 +2844,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -2494,34 +2856,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -2532,6 +2908,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -2551,11 +2928,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -2563,7 +2956,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -2576,6 +2970,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -2588,31 +2983,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -2622,6 +3028,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -2646,10 +3053,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -2657,7 +3080,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -2669,6 +3093,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -2682,43 +3107,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "HardLightSrc" composition equation.
+    /// A pixel blender that implements the "ScreenSrc" composition equation.
     /// </summary>
-    public class HardLightSrc : PixelBlender<TPixel>
+    public class ScreenSrc : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static HardLightSrc Instance { get; } = new HardLightSrc();
+        public static ScreenSrc Instance { get; } = new ScreenSrc();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -2738,7 +3174,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -2749,7 +3185,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], amount);
                     }
                 }
             }
@@ -2765,7 +3201,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -2775,14 +3211,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], amount);
                 }
             }
         }
@@ -2808,7 +3244,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -2818,7 +3254,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, amount);
                     }
                 }
             }
@@ -2834,7 +3270,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -2843,14 +3279,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, amount);
                 }
             }
         }
@@ -2886,7 +3322,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -2898,7 +3334,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -2923,7 +3359,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -2934,14 +3370,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -2981,7 +3417,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -2992,7 +3428,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -3017,7 +3453,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -3027,37 +3463,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "NormalSrcAtop" composition equation.
-    /// </summary>
-    public class NormalSrcAtop : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static NormalSrcAtop Instance { get; } = new NormalSrcAtop();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -3069,14 +3488,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -3084,7 +3521,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -3096,34 +3534,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -3134,18 +3585,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -3153,7 +3623,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -3164,34 +3635,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -3202,6 +3687,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -3221,11 +3707,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -3233,7 +3735,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -3246,6 +3749,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -3258,31 +3762,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -3292,6 +3807,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -3316,10 +3832,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -3327,7 +3859,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -3339,6 +3872,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -3352,43 +3886,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "MultiplySrcAtop" composition equation.
+    /// A pixel blender that implements the "DarkenSrc" composition equation.
     /// </summary>
-    public class MultiplySrcAtop : PixelBlender<TPixel>
+    public class DarkenSrc : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static MultiplySrcAtop Instance { get; } = new MultiplySrcAtop();
+        public static DarkenSrc Instance { get; } = new DarkenSrc();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -3408,7 +3953,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -3419,7 +3964,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], amount);
                     }
                 }
             }
@@ -3435,7 +3980,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -3445,14 +3990,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], amount);
                 }
             }
         }
@@ -3478,9 +4023,41563 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
+                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "LightenSrc" composition equation.
+    /// </summary>
+    public class LightenSrc : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static LightenSrc Instance { get; } = new LightenSrc();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "OverlaySrc" composition equation.
+    /// </summary>
+    public class OverlaySrc : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static OverlaySrc Instance { get; } = new OverlaySrc();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "HardLightSrc" composition equation.
+    /// </summary>
+    public class HardLightSrc : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static HardLightSrc Instance { get; } = new HardLightSrc();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrc(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrc(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrc(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "NormalSrcAtop" composition equation.
+    /// </summary>
+    public class NormalSrcAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static NormalSrcAtop Instance { get; } = new NormalSrcAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "MultiplySrcAtop" composition equation.
+    /// </summary>
+    public class MultiplySrcAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static MultiplySrcAtop Instance { get; } = new MultiplySrcAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
                     destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "AddSrcAtop" composition equation.
+    /// </summary>
+    public class AddSrcAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static AddSrcAtop Instance { get; } = new AddSrcAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "SubtractSrcAtop" composition equation.
+    /// </summary>
+    public class SubtractSrcAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static SubtractSrcAtop Instance { get; } = new SubtractSrcAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "ScreenSrcAtop" composition equation.
+    /// </summary>
+    public class ScreenSrcAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static ScreenSrcAtop Instance { get; } = new ScreenSrcAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "DarkenSrcAtop" composition equation.
+    /// </summary>
+    public class DarkenSrcAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static DarkenSrcAtop Instance { get; } = new DarkenSrcAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "LightenSrcAtop" composition equation.
+    /// </summary>
+    public class LightenSrcAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static LightenSrcAtop Instance { get; } = new LightenSrcAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "OverlaySrcAtop" composition equation.
+    /// </summary>
+    public class OverlaySrcAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static OverlaySrcAtop Instance { get; } = new OverlaySrcAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "HardLightSrcAtop" composition equation.
+    /// </summary>
+    public class HardLightSrcAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static HardLightSrcAtop Instance { get; } = new HardLightSrcAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "NormalSrcOver" composition equation.
+    /// </summary>
+    public class NormalSrcOver : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static NormalSrcOver Instance { get; } = new NormalSrcOver();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "MultiplySrcOver" composition equation.
+    /// </summary>
+    public class MultiplySrcOver : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static MultiplySrcOver Instance { get; } = new MultiplySrcOver();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "AddSrcOver" composition equation.
+    /// </summary>
+    public class AddSrcOver : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static AddSrcOver Instance { get; } = new AddSrcOver();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "SubtractSrcOver" composition equation.
+    /// </summary>
+    public class SubtractSrcOver : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static SubtractSrcOver Instance { get; } = new SubtractSrcOver();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "ScreenSrcOver" composition equation.
+    /// </summary>
+    public class ScreenSrcOver : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static ScreenSrcOver Instance { get; } = new ScreenSrcOver();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "DarkenSrcOver" composition equation.
+    /// </summary>
+    public class DarkenSrcOver : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static DarkenSrcOver Instance { get; } = new DarkenSrcOver();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "LightenSrcOver" composition equation.
+    /// </summary>
+    public class LightenSrcOver : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static LightenSrcOver Instance { get; } = new LightenSrcOver();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "OverlaySrcOver" composition equation.
+    /// </summary>
+    public class OverlaySrcOver : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static OverlaySrcOver Instance { get; } = new OverlaySrcOver();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "HardLightSrcOver" composition equation.
+    /// </summary>
+    public class HardLightSrcOver : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static HardLightSrcOver Instance { get; } = new HardLightSrcOver();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "NormalSrcIn" composition equation.
+    /// </summary>
+    public class NormalSrcIn : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static NormalSrcIn Instance { get; } = new NormalSrcIn();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "MultiplySrcIn" composition equation.
+    /// </summary>
+    public class MultiplySrcIn : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static MultiplySrcIn Instance { get; } = new MultiplySrcIn();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "AddSrcIn" composition equation.
+    /// </summary>
+    public class AddSrcIn : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static AddSrcIn Instance { get; } = new AddSrcIn();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "SubtractSrcIn" composition equation.
+    /// </summary>
+    public class SubtractSrcIn : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static SubtractSrcIn Instance { get; } = new SubtractSrcIn();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "ScreenSrcIn" composition equation.
+    /// </summary>
+    public class ScreenSrcIn : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static ScreenSrcIn Instance { get; } = new ScreenSrcIn();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "DarkenSrcIn" composition equation.
+    /// </summary>
+    public class DarkenSrcIn : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static DarkenSrcIn Instance { get; } = new DarkenSrcIn();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "LightenSrcIn" composition equation.
+    /// </summary>
+    public class LightenSrcIn : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static LightenSrcIn Instance { get; } = new LightenSrcIn();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "OverlaySrcIn" composition equation.
+    /// </summary>
+    public class OverlaySrcIn : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static OverlaySrcIn Instance { get; } = new OverlaySrcIn();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "HardLightSrcIn" composition equation.
+    /// </summary>
+    public class HardLightSrcIn : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static HardLightSrcIn Instance { get; } = new HardLightSrcIn();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "NormalSrcOut" composition equation.
+    /// </summary>
+    public class NormalSrcOut : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static NormalSrcOut Instance { get; } = new NormalSrcOut();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "MultiplySrcOut" composition equation.
+    /// </summary>
+    public class MultiplySrcOut : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static MultiplySrcOut Instance { get; } = new MultiplySrcOut();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "AddSrcOut" composition equation.
+    /// </summary>
+    public class AddSrcOut : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static AddSrcOut Instance { get; } = new AddSrcOut();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "SubtractSrcOut" composition equation.
+    /// </summary>
+    public class SubtractSrcOut : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static SubtractSrcOut Instance { get; } = new SubtractSrcOut();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "ScreenSrcOut" composition equation.
+    /// </summary>
+    public class ScreenSrcOut : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static ScreenSrcOut Instance { get; } = new ScreenSrcOut();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "DarkenSrcOut" composition equation.
+    /// </summary>
+    public class DarkenSrcOut : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static DarkenSrcOut Instance { get; } = new DarkenSrcOut();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "LightenSrcOut" composition equation.
+    /// </summary>
+    public class LightenSrcOut : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static LightenSrcOut Instance { get; } = new LightenSrcOut();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "OverlaySrcOut" composition equation.
+    /// </summary>
+    public class OverlaySrcOut : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static OverlaySrcOut Instance { get; } = new OverlaySrcOut();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlaySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "HardLightSrcOut" composition equation.
+    /// </summary>
+    public class HardLightSrcOut : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static HardLightSrcOut Instance { get; } = new HardLightSrcOut();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "NormalDest" composition equation.
+    /// </summary>
+    public class NormalDest : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static NormalDest Instance { get; } = new NormalDest();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalDest(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "MultiplyDest" composition equation.
+    /// </summary>
+    public class MultiplyDest : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static MultiplyDest Instance { get; } = new MultiplyDest();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplyDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "AddDest" composition equation.
+    /// </summary>
+    public class AddDest : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static AddDest Instance { get; } = new AddDest();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddDest(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddDest(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddDest(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "SubtractDest" composition equation.
+    /// </summary>
+    public class SubtractDest : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static SubtractDest Instance { get; } = new SubtractDest();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "ScreenDest" composition equation.
+    /// </summary>
+    public class ScreenDest : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static ScreenDest Instance { get; } = new ScreenDest();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "DarkenDest" composition equation.
+    /// </summary>
+    public class DarkenDest : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static DarkenDest Instance { get; } = new DarkenDest();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "LightenDest" composition equation.
+    /// </summary>
+    public class LightenDest : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static LightenDest Instance { get; } = new LightenDest();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenDest(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.LightenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.LightenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "OverlayDest" composition equation.
+    /// </summary>
+    public class OverlayDest : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static OverlayDest Instance { get; } = new OverlayDest();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.OverlayDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "HardLightDest" composition equation.
+    /// </summary>
+    public class HardLightDest : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static HardLightDest Instance { get; } = new HardLightDest();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.HardLightDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "NormalDestAtop" composition equation.
+    /// </summary>
+    public class NormalDestAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static NormalDestAtop Instance { get; } = new NormalDestAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.NormalDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "MultiplyDestAtop" composition equation.
+    /// </summary>
+    public class MultiplyDestAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static MultiplyDestAtop Instance { get; } = new MultiplyDestAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "AddDestAtop" composition equation.
+    /// </summary>
+    public class AddDestAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static AddDestAtop Instance { get; } = new AddDestAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.AddDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "SubtractDestAtop" composition equation.
+    /// </summary>
+    public class SubtractDestAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static SubtractDestAtop Instance { get; } = new SubtractDestAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.SubtractDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+    }
+
+    /// <summary>
+    /// A pixel blender that implements the "ScreenDestAtop" composition equation.
+    /// </summary>
+    public class ScreenDestAtop : PixelBlender<TPixel>
+    {
+        /// <summary>
+        /// Gets the static instance of this blender.
+        /// </summary>
+        public static ScreenDestAtop Instance { get; } = new ScreenDestAtop();
+
+        /// <inheritdoc />
+        public override TPixel Blend(TPixel background, TPixel source, float amount)
+        {
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, amount);
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, amount);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, amount);
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -3488,7 +45587,110 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -3499,34 +45701,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -3537,6 +45753,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -3556,11 +45773,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -3568,7 +45801,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -3581,6 +45815,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -3593,31 +45828,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -3627,6 +45873,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -3651,10 +45898,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -3662,7 +45925,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -3674,6 +45938,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -3687,43 +45952,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "AddSrcAtop" composition equation.
+    /// A pixel blender that implements the "DarkenDestAtop" composition equation.
     /// </summary>
-    public class AddSrcAtop : PixelBlender<TPixel>
+    public class DarkenDestAtop : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static AddSrcAtop Instance { get; } = new AddSrcAtop();
+        public static DarkenDestAtop Instance { get; } = new DarkenDestAtop();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -3743,7 +46019,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -3754,7 +46030,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], amount);
                     }
                 }
             }
@@ -3770,7 +46046,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -3780,14 +46056,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], amount);
                 }
             }
         }
@@ -3813,7 +46089,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -3823,7 +46099,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, amount);
                     }
                 }
             }
@@ -3839,7 +46115,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -3848,14 +46124,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, amount);
                 }
             }
         }
@@ -3891,7 +46167,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -3903,7 +46179,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -3928,7 +46204,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -3939,14 +46215,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -3986,7 +46262,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -3997,7 +46273,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -4022,7 +46298,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -4032,33 +46308,477 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.DarkenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "SubtractSrcAtop" composition equation.
+    /// A pixel blender that implements the "LightenDestAtop" composition equation.
     /// </summary>
-    public class SubtractSrcAtop : PixelBlender<TPixel>
+    public class LightenDestAtop : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static SubtractSrcAtop Instance { get; } = new SubtractSrcAtop();
+        public static LightenDestAtop Instance { get; } = new LightenDestAtop();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -4078,7 +46798,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -4089,7 +46809,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], amount);
                     }
                 }
             }
@@ -4105,7 +46825,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -4115,14 +46835,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], amount);
                 }
             }
         }
@@ -4148,7 +46868,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -4158,7 +46878,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, amount);
                     }
                 }
             }
@@ -4174,7 +46894,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -4183,14 +46903,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, amount);
                 }
             }
         }
@@ -4226,7 +46946,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -4238,7 +46958,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -4263,7 +46983,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -4274,14 +46994,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -4321,7 +47041,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -4332,7 +47052,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -4357,7 +47077,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -4367,37 +47087,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "ScreenSrcAtop" composition equation.
-    /// </summary>
-    public class ScreenSrcAtop : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static ScreenSrcAtop Instance { get; } = new ScreenSrcAtop();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -4409,14 +47112,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -4424,7 +47145,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -4436,34 +47158,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -4474,18 +47209,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -4493,7 +47247,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -4504,34 +47259,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -4542,6 +47311,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -4561,11 +47331,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -4573,7 +47359,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -4586,6 +47373,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -4598,31 +47386,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -4632,6 +47431,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -4656,10 +47456,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -4667,7 +47483,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -4679,6 +47496,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -4692,43 +47510,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "DarkenSrcAtop" composition equation.
+    /// A pixel blender that implements the "OverlayDestAtop" composition equation.
     /// </summary>
-    public class DarkenSrcAtop : PixelBlender<TPixel>
+    public class OverlayDestAtop : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static DarkenSrcAtop Instance { get; } = new DarkenSrcAtop();
+        public static OverlayDestAtop Instance { get; } = new OverlayDestAtop();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -4748,7 +47577,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -4759,7 +47588,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], amount);
                     }
                 }
             }
@@ -4775,7 +47604,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -4785,14 +47614,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], amount);
                 }
             }
         }
@@ -4818,7 +47647,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -4828,7 +47657,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, amount);
                     }
                 }
             }
@@ -4844,7 +47673,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -4853,14 +47682,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, amount);
                 }
             }
         }
@@ -4896,7 +47725,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -4908,7 +47737,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -4933,7 +47762,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -4944,14 +47773,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -4991,7 +47820,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -5002,7 +47831,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -5027,7 +47856,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -5037,37 +47866,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "LightenSrcAtop" composition equation.
-    /// </summary>
-    public class LightenSrcAtop : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static LightenSrcAtop Instance { get; } = new LightenSrcAtop();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -5079,14 +47891,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -5094,7 +47924,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -5106,34 +47937,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -5144,18 +47988,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -5163,7 +48026,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -5174,34 +48038,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -5212,6 +48090,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -5231,11 +48110,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -5243,7 +48138,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -5256,6 +48152,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -5268,31 +48165,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -5302,6 +48210,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -5326,10 +48235,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -5337,7 +48262,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -5349,6 +48275,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -5362,43 +48289,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "OverlaySrcAtop" composition equation.
+    /// A pixel blender that implements the "HardLightDestAtop" composition equation.
     /// </summary>
-    public class OverlaySrcAtop : PixelBlender<TPixel>
+    public class HardLightDestAtop : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static OverlaySrcAtop Instance { get; } = new OverlaySrcAtop();
+        public static HardLightDestAtop Instance { get; } = new HardLightDestAtop();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -5418,7 +48356,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -5429,7 +48367,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], amount);
                     }
                 }
             }
@@ -5445,7 +48383,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -5455,14 +48393,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], amount);
                 }
             }
         }
@@ -5488,7 +48426,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -5498,7 +48436,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, amount);
                     }
                 }
             }
@@ -5514,7 +48452,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -5523,14 +48461,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, amount);
                 }
             }
         }
@@ -5566,7 +48504,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -5578,7 +48516,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -5603,7 +48541,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -5614,14 +48552,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -5661,7 +48599,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -5672,7 +48610,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -5697,7 +48635,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -5707,37 +48645,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "HardLightSrcAtop" composition equation.
-    /// </summary>
-    public class HardLightSrcAtop : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static HardLightSrcAtop Instance { get; } = new HardLightSrcAtop();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrcAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -5749,14 +48670,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -5764,7 +48703,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -5776,34 +48716,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -5814,18 +48767,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -5833,7 +48805,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -5844,34 +48817,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -5882,6 +48869,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -5901,11 +48889,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -5913,7 +48917,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -5926,6 +48931,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -5938,31 +48944,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -5972,6 +48989,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -5996,10 +49014,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -6007,7 +49041,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -6019,6 +49054,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -6032,43 +49068,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "NormalSrcOver" composition equation.
+    /// A pixel blender that implements the "NormalDestOver" composition equation.
     /// </summary>
-    public class NormalSrcOver : PixelBlender<TPixel>
+    public class NormalDestOver : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static NormalSrcOver Instance { get; } = new NormalSrcOver();
+        public static NormalDestOver Instance { get; } = new NormalDestOver();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -6088,7 +49135,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -6099,7 +49146,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], amount);
                     }
                 }
             }
@@ -6115,7 +49162,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -6125,14 +49172,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], amount);
                 }
             }
         }
@@ -6158,7 +49205,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -6168,7 +49215,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, amount);
                     }
                 }
             }
@@ -6184,7 +49231,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -6193,14 +49240,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, amount);
                 }
             }
         }
@@ -6236,7 +49283,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -6248,7 +49295,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -6273,7 +49320,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -6284,14 +49331,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -6331,7 +49378,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -6342,7 +49389,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -6367,7 +49414,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -6377,37 +49424,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "MultiplySrcOver" composition equation.
-    /// </summary>
-    public class MultiplySrcOver : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static MultiplySrcOver Instance { get; } = new MultiplySrcOver();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -6419,14 +49449,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -6434,7 +49482,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -6446,34 +49495,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -6484,18 +49546,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -6503,7 +49584,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -6514,34 +49596,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -6552,6 +49648,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -6571,11 +49668,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -6583,7 +49696,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -6596,6 +49710,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -6608,31 +49723,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -6642,6 +49768,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -6666,10 +49793,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -6677,7 +49820,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -6689,6 +49833,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -6702,43 +49847,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "AddSrcOver" composition equation.
+    /// A pixel blender that implements the "MultiplyDestOver" composition equation.
     /// </summary>
-    public class AddSrcOver : PixelBlender<TPixel>
+    public class MultiplyDestOver : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static AddSrcOver Instance { get; } = new AddSrcOver();
+        public static MultiplyDestOver Instance { get; } = new MultiplyDestOver();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -6758,7 +49914,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -6769,7 +49925,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], amount);
                     }
                 }
             }
@@ -6785,7 +49941,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -6795,14 +49951,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], amount);
                 }
             }
         }
@@ -6828,7 +49984,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -6838,7 +49994,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, amount);
                     }
                 }
             }
@@ -6854,7 +50010,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -6863,14 +50019,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, amount);
                 }
             }
         }
@@ -6906,7 +50062,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -6918,7 +50074,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -6943,7 +50099,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -6954,14 +50110,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -7001,7 +50157,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -7012,7 +50168,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -7037,7 +50193,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -7047,37 +50203,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "SubtractSrcOver" composition equation.
-    /// </summary>
-    public class SubtractSrcOver : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static SubtractSrcOver Instance { get; } = new SubtractSrcOver();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -7089,14 +50228,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -7104,7 +50261,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -7116,34 +50274,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -7154,18 +50325,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -7173,7 +50363,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -7184,34 +50375,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -7222,6 +50427,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -7241,11 +50447,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -7253,7 +50475,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -7266,6 +50489,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -7278,31 +50502,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -7312,6 +50547,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -7336,10 +50572,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -7347,7 +50599,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -7359,6 +50612,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -7372,43 +50626,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "ScreenSrcOver" composition equation.
+    /// A pixel blender that implements the "AddDestOver" composition equation.
     /// </summary>
-    public class ScreenSrcOver : PixelBlender<TPixel>
+    public class AddDestOver : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static ScreenSrcOver Instance { get; } = new ScreenSrcOver();
+        public static AddDestOver Instance { get; } = new AddDestOver();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -7428,7 +50693,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -7439,7 +50704,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], amount);
                     }
                 }
             }
@@ -7455,7 +50720,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -7465,14 +50730,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], amount);
                 }
             }
         }
@@ -7498,7 +50763,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -7508,7 +50773,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, amount);
                     }
                 }
             }
@@ -7524,7 +50789,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -7533,14 +50798,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, amount);
                 }
             }
         }
@@ -7576,7 +50841,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -7588,7 +50853,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -7613,7 +50878,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -7624,14 +50889,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -7671,7 +50936,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -7682,7 +50947,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -7707,7 +50972,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -7717,37 +50982,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "DarkenSrcOver" composition equation.
-    /// </summary>
-    public class DarkenSrcOver : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static DarkenSrcOver Instance { get; } = new DarkenSrcOver();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -7759,14 +51007,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -7774,7 +51040,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -7786,34 +51053,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -7824,18 +51104,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -7843,7 +51142,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -7854,34 +51154,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -7892,6 +51206,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -7911,11 +51226,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -7923,7 +51254,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -7936,6 +51268,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -7948,31 +51281,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -7982,6 +51326,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -8006,10 +51351,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -8017,7 +51378,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -8029,6 +51391,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -8042,43 +51405,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "LightenSrcOver" composition equation.
+    /// A pixel blender that implements the "SubtractDestOver" composition equation.
     /// </summary>
-    public class LightenSrcOver : PixelBlender<TPixel>
+    public class SubtractDestOver : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static LightenSrcOver Instance { get; } = new LightenSrcOver();
+        public static SubtractDestOver Instance { get; } = new SubtractDestOver();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -8098,7 +51472,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -8109,7 +51483,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], amount);
                     }
                 }
             }
@@ -8125,7 +51499,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -8135,14 +51509,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], amount);
                 }
             }
         }
@@ -8168,7 +51542,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -8178,7 +51552,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, amount);
                     }
                 }
             }
@@ -8194,7 +51568,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -8203,14 +51577,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, amount);
                 }
             }
         }
@@ -8246,7 +51620,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -8258,7 +51632,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -8283,7 +51657,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -8294,14 +51668,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -8341,7 +51715,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -8352,7 +51726,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -8377,7 +51751,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -8387,37 +51761,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "OverlaySrcOver" composition equation.
-    /// </summary>
-    public class OverlaySrcOver : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static OverlaySrcOver Instance { get; } = new OverlaySrcOver();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -8429,14 +51786,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -8444,7 +51819,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -8456,34 +51832,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -8494,18 +51883,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -8513,7 +51921,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -8524,34 +51933,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -8562,6 +51985,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -8581,11 +52005,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -8593,7 +52033,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -8606,6 +52047,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -8618,31 +52060,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -8652,6 +52105,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -8676,10 +52130,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -8687,7 +52157,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -8699,6 +52170,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -8712,43 +52184,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "HardLightSrcOver" composition equation.
+    /// A pixel blender that implements the "ScreenDestOver" composition equation.
     /// </summary>
-    public class HardLightSrcOver : PixelBlender<TPixel>
+    public class ScreenDestOver : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static HardLightSrcOver Instance { get; } = new HardLightSrcOver();
+        public static ScreenDestOver Instance { get; } = new ScreenDestOver();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrcOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -8768,7 +52251,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -8779,7 +52262,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], amount);
                     }
                 }
             }
@@ -8795,7 +52278,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -8805,14 +52288,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], amount);
                 }
             }
         }
@@ -8838,7 +52321,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -8848,7 +52331,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, amount);
                     }
                 }
             }
@@ -8864,7 +52347,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -8873,14 +52356,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, amount);
                 }
             }
         }
@@ -8916,7 +52399,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -8928,7 +52411,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -8953,7 +52436,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -8964,14 +52447,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -9011,7 +52494,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -9022,7 +52505,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -9047,7 +52530,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -9057,37 +52540,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "NormalSrcIn" composition equation.
-    /// </summary>
-    public class NormalSrcIn : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static NormalSrcIn Instance { get; } = new NormalSrcIn();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -9099,14 +52565,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -9114,7 +52598,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -9126,34 +52611,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -9164,18 +52662,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -9183,7 +52700,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -9194,34 +52712,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -9232,6 +52764,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -9251,11 +52784,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -9263,7 +52812,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -9276,6 +52826,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -9288,31 +52839,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -9322,6 +52884,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -9346,10 +52909,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -9357,7 +52936,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -9369,6 +52949,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -9382,43 +52963,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "MultiplySrcIn" composition equation.
+    /// A pixel blender that implements the "DarkenDestOver" composition equation.
     /// </summary>
-    public class MultiplySrcIn : PixelBlender<TPixel>
+    public class DarkenDestOver : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static MultiplySrcIn Instance { get; } = new MultiplySrcIn();
+        public static DarkenDestOver Instance { get; } = new DarkenDestOver();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -9438,7 +53030,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -9449,7 +53041,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], amount);
                     }
                 }
             }
@@ -9465,7 +53057,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -9475,14 +53067,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], amount);
                 }
             }
         }
@@ -9508,7 +53100,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -9518,7 +53110,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, amount);
                     }
                 }
             }
@@ -9534,7 +53126,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -9543,14 +53135,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, amount);
                 }
             }
         }
@@ -9586,7 +53178,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -9598,7 +53190,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -9623,7 +53215,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -9634,14 +53226,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -9681,7 +53273,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -9692,7 +53284,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -9717,7 +53309,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -9727,37 +53319,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "AddSrcIn" composition equation.
-    /// </summary>
-    public class AddSrcIn : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static AddSrcIn Instance { get; } = new AddSrcIn();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -9769,14 +53344,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -9784,7 +53377,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -9796,34 +53390,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -9834,18 +53441,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -9853,7 +53479,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -9864,34 +53491,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -9902,6 +53543,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -9921,11 +53563,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -9933,7 +53591,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -9946,6 +53605,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -9958,31 +53618,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -9992,6 +53663,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -10016,10 +53688,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -10027,7 +53715,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -10039,6 +53728,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -10052,43 +53742,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "SubtractSrcIn" composition equation.
+    /// A pixel blender that implements the "LightenDestOver" composition equation.
     /// </summary>
-    public class SubtractSrcIn : PixelBlender<TPixel>
+    public class LightenDestOver : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static SubtractSrcIn Instance { get; } = new SubtractSrcIn();
+        public static LightenDestOver Instance { get; } = new LightenDestOver();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -10108,7 +53809,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -10119,7 +53820,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], amount);
                     }
                 }
             }
@@ -10135,7 +53836,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -10145,14 +53846,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], amount);
                 }
             }
         }
@@ -10178,7 +53879,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -10188,7 +53889,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, amount);
                     }
                 }
             }
@@ -10204,7 +53905,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -10213,14 +53914,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, amount);
                 }
             }
         }
@@ -10256,7 +53957,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -10268,7 +53969,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -10293,7 +53994,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -10304,14 +54005,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -10351,7 +54052,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -10362,7 +54063,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -10387,7 +54088,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -10397,37 +54098,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "ScreenSrcIn" composition equation.
-    /// </summary>
-    public class ScreenSrcIn : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static ScreenSrcIn Instance { get; } = new ScreenSrcIn();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -10439,14 +54123,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -10454,7 +54156,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -10466,34 +54169,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -10504,18 +54220,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -10523,7 +54258,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -10534,34 +54270,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -10572,6 +54322,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -10591,11 +54342,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -10603,7 +54370,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -10616,6 +54384,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -10628,31 +54397,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -10662,6 +54442,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -10686,10 +54467,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -10697,7 +54494,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -10709,6 +54507,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -10722,43 +54521,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "DarkenSrcIn" composition equation.
+    /// A pixel blender that implements the "OverlayDestOver" composition equation.
     /// </summary>
-    public class DarkenSrcIn : PixelBlender<TPixel>
+    public class OverlayDestOver : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static DarkenSrcIn Instance { get; } = new DarkenSrcIn();
+        public static OverlayDestOver Instance { get; } = new OverlayDestOver();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -10778,7 +54588,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -10789,7 +54599,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], amount);
                     }
                 }
             }
@@ -10805,7 +54615,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -10815,14 +54625,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], amount);
                 }
             }
         }
@@ -10848,7 +54658,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -10858,7 +54668,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, amount);
                     }
                 }
             }
@@ -10874,7 +54684,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -10883,14 +54693,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, amount);
                 }
             }
         }
@@ -10926,7 +54736,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -10938,7 +54748,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -10963,7 +54773,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -10974,14 +54784,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -11021,7 +54831,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -11032,7 +54842,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -11057,7 +54867,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -11067,37 +54877,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "LightenSrcIn" composition equation.
-    /// </summary>
-    public class LightenSrcIn : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static LightenSrcIn Instance { get; } = new LightenSrcIn();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -11109,14 +54902,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -11124,7 +54935,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -11136,34 +54948,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -11174,18 +54999,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -11193,7 +55037,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -11204,34 +55049,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -11242,6 +55101,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -11261,11 +55121,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -11273,7 +55149,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -11286,6 +55163,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -11298,31 +55176,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -11332,6 +55221,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -11356,10 +55246,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -11367,7 +55273,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -11379,6 +55286,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -11392,43 +55300,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "OverlaySrcIn" composition equation.
+    /// A pixel blender that implements the "HardLightDestOver" composition equation.
     /// </summary>
-    public class OverlaySrcIn : PixelBlender<TPixel>
+    public class HardLightDestOver : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static OverlaySrcIn Instance { get; } = new OverlaySrcIn();
+        public static HardLightDestOver Instance { get; } = new HardLightDestOver();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -11448,7 +55367,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -11459,7 +55378,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], amount);
                     }
                 }
             }
@@ -11475,7 +55394,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -11485,14 +55404,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], amount);
                 }
             }
         }
@@ -11518,7 +55437,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -11528,7 +55447,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, amount);
                     }
                 }
             }
@@ -11544,7 +55463,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -11553,14 +55472,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, amount);
                 }
             }
         }
@@ -11596,7 +55515,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -11608,7 +55527,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -11633,7 +55552,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -11644,14 +55563,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -11691,7 +55610,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -11702,7 +55621,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -11727,7 +55646,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -11737,37 +55656,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "HardLightSrcIn" composition equation.
-    /// </summary>
-    public class HardLightSrcIn : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static HardLightSrcIn Instance { get; } = new HardLightSrcIn();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrcIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -11779,14 +55681,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -11794,7 +55714,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -11806,34 +55727,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -11844,18 +55778,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -11863,7 +55816,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -11874,34 +55828,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -11912,6 +55880,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -11931,11 +55900,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -11943,7 +55928,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -11956,6 +55942,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -11968,31 +55955,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -12002,6 +56000,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -12026,10 +56025,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -12037,7 +56052,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -12049,6 +56065,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -12062,43 +56079,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "NormalSrcOut" composition equation.
+    /// A pixel blender that implements the "NormalDestIn" composition equation.
     /// </summary>
-    public class NormalSrcOut : PixelBlender<TPixel>
+    public class NormalDestIn : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static NormalSrcOut Instance { get; } = new NormalSrcOut();
+        public static NormalDestIn Instance { get; } = new NormalDestIn();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -12118,7 +56146,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -12129,7 +56157,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], amount);
                     }
                 }
             }
@@ -12145,7 +56173,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -12155,14 +56183,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], amount);
                 }
             }
         }
@@ -12188,7 +56216,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -12198,7 +56226,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, amount);
                     }
                 }
             }
@@ -12214,7 +56242,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -12223,14 +56251,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, amount);
                 }
             }
         }
@@ -12266,7 +56294,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -12278,7 +56306,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -12303,7 +56331,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -12314,14 +56342,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -12361,7 +56389,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -12372,7 +56400,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -12397,7 +56425,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -12407,37 +56435,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "MultiplySrcOut" composition equation.
-    /// </summary>
-    public class MultiplySrcOut : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static MultiplySrcOut Instance { get; } = new MultiplySrcOut();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplySrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -12449,14 +56460,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -12464,7 +56493,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -12476,34 +56506,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -12514,18 +56557,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -12533,7 +56595,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -12544,34 +56607,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -12582,6 +56659,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -12601,11 +56679,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -12613,7 +56707,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -12626,6 +56721,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -12638,31 +56734,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -12672,6 +56779,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -12696,10 +56804,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -12707,7 +56831,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -12719,6 +56844,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -12732,43 +56858,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplySrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "AddSrcOut" composition equation.
+    /// A pixel blender that implements the "MultiplyDestIn" composition equation.
     /// </summary>
-    public class AddSrcOut : PixelBlender<TPixel>
+    public class MultiplyDestIn : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static AddSrcOut Instance { get; } = new AddSrcOut();
+        public static MultiplyDestIn Instance { get; } = new MultiplyDestIn();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -12788,7 +56925,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -12799,7 +56936,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], amount);
                     }
                 }
             }
@@ -12815,7 +56952,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -12825,14 +56962,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], amount);
                 }
             }
         }
@@ -12858,7 +56995,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -12868,7 +57005,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, amount);
                     }
                 }
             }
@@ -12884,7 +57021,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -12893,14 +57030,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, amount);
                 }
             }
         }
@@ -12936,7 +57073,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -12948,7 +57085,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -12973,7 +57110,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -12984,14 +57121,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -13031,7 +57168,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -13042,7 +57179,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -13067,7 +57204,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -13077,37 +57214,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "SubtractSrcOut" composition equation.
-    /// </summary>
-    public class SubtractSrcOut : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static SubtractSrcOut Instance { get; } = new SubtractSrcOut();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -13119,14 +57239,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -13134,7 +57272,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -13146,34 +57285,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -13184,18 +57336,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -13203,7 +57374,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -13214,34 +57386,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -13252,6 +57438,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -13271,11 +57458,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -13283,7 +57486,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -13296,6 +57500,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -13308,31 +57513,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -13342,6 +57558,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -13366,10 +57583,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -13377,7 +57610,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -13389,6 +57623,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -13402,43 +57637,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractSrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "ScreenSrcOut" composition equation.
+    /// A pixel blender that implements the "AddDestIn" composition equation.
     /// </summary>
-    public class ScreenSrcOut : PixelBlender<TPixel>
+    public class AddDestIn : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static ScreenSrcOut Instance { get; } = new ScreenSrcOut();
+        public static AddDestIn Instance { get; } = new AddDestIn();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -13458,7 +57704,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -13469,7 +57715,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], amount);
                     }
                 }
             }
@@ -13485,7 +57731,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -13495,14 +57741,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], amount);
                 }
             }
         }
@@ -13528,7 +57774,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -13538,7 +57784,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, amount);
                     }
                 }
             }
@@ -13554,7 +57800,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -13563,14 +57809,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, amount);
                 }
             }
         }
@@ -13606,7 +57852,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -13618,7 +57864,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -13643,7 +57889,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -13654,14 +57900,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -13701,7 +57947,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -13712,7 +57958,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -13737,7 +57983,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -13747,37 +57993,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "DarkenSrcOut" composition equation.
-    /// </summary>
-    public class DarkenSrcOut : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static DarkenSrcOut Instance { get; } = new DarkenSrcOut();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -13789,14 +58018,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -13804,7 +58051,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -13816,34 +58064,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -13854,18 +58115,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -13873,7 +58153,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -13884,34 +58165,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -13922,6 +58217,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -13941,11 +58237,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -13953,7 +58265,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -13966,6 +58279,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -13978,31 +58292,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -14012,6 +58337,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -14036,10 +58362,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -14047,7 +58389,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -14059,6 +58402,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -14072,43 +58416,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenSrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "LightenSrcOut" composition equation.
+    /// A pixel blender that implements the "SubtractDestIn" composition equation.
     /// </summary>
-    public class LightenSrcOut : PixelBlender<TPixel>
+    public class SubtractDestIn : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static LightenSrcOut Instance { get; } = new LightenSrcOut();
+        public static SubtractDestIn Instance { get; } = new SubtractDestIn();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -14128,7 +58483,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -14139,7 +58494,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], amount);
                     }
                 }
             }
@@ -14155,7 +58510,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -14165,14 +58520,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], amount);
                 }
             }
         }
@@ -14198,7 +58553,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -14208,7 +58563,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, amount);
                     }
                 }
             }
@@ -14224,7 +58579,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -14233,14 +58588,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, amount);
                 }
             }
         }
@@ -14276,7 +58631,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -14288,7 +58643,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -14313,7 +58668,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -14324,14 +58679,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -14371,7 +58726,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -14382,7 +58737,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -14407,7 +58762,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -14417,37 +58772,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "OverlaySrcOut" composition equation.
-    /// </summary>
-    public class OverlaySrcOut : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static OverlaySrcOut Instance { get; } = new OverlaySrcOut();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlaySrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -14459,14 +58797,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -14474,7 +58830,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -14486,34 +58843,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -14524,18 +58894,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -14543,7 +58932,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -14554,34 +58944,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -14592,6 +58996,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -14611,11 +59016,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -14623,7 +59044,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -14636,6 +59058,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -14648,31 +59071,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -14682,6 +59116,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -14706,10 +59141,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -14717,7 +59168,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -14729,6 +59181,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -14742,43 +59195,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlaySrcOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlaySrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "HardLightSrcOut" composition equation.
+    /// A pixel blender that implements the "ScreenDestIn" composition equation.
     /// </summary>
-    public class HardLightSrcOut : PixelBlender<TPixel>
+    public class ScreenDestIn : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static HardLightSrcOut Instance { get; } = new HardLightSrcOut();
+        public static ScreenDestIn Instance { get; } = new ScreenDestIn();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightSrcOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -14798,7 +59262,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -14809,7 +59273,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], amount);
                     }
                 }
             }
@@ -14825,7 +59289,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -14835,14 +59299,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], amount);
                 }
             }
         }
@@ -14868,7 +59332,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -14878,7 +59342,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, amount);
                     }
                 }
             }
@@ -14894,7 +59358,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -14903,14 +59367,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, amount);
                 }
             }
         }
@@ -14946,7 +59410,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -14958,7 +59422,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -14983,7 +59447,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -14994,14 +59458,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -15041,7 +59505,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -15052,7 +59516,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -15077,7 +59541,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightSrcOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -15087,37 +59551,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightSrcOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "NormalDest" composition equation.
-    /// </summary>
-    public class NormalDest : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static NormalDest Instance { get; } = new NormalDest();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -15129,14 +59576,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -15144,7 +59609,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -15156,34 +59622,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -15194,18 +59673,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -15213,7 +59711,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDest(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -15224,34 +59723,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -15262,6 +59775,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -15281,11 +59795,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -15293,7 +59823,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -15306,6 +59837,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -15318,31 +59850,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -15352,6 +59895,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -15376,10 +59920,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -15387,7 +59947,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -15399,6 +59960,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -15412,43 +59974,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "MultiplyDest" composition equation.
+    /// A pixel blender that implements the "DarkenDestIn" composition equation.
     /// </summary>
-    public class MultiplyDest : PixelBlender<TPixel>
+    public class DarkenDestIn : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static MultiplyDest Instance { get; } = new MultiplyDest();
+        public static DarkenDestIn Instance { get; } = new DarkenDestIn();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -15468,7 +60041,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -15479,7 +60052,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], amount);
                     }
                 }
             }
@@ -15495,7 +60068,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -15505,14 +60078,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], amount);
                 }
             }
         }
@@ -15538,7 +60111,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -15548,7 +60121,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, amount);
                     }
                 }
             }
@@ -15564,7 +60137,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -15573,14 +60146,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, amount);
                 }
             }
         }
@@ -15616,7 +60189,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -15628,7 +60201,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -15653,7 +60226,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -15664,14 +60237,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -15711,7 +60284,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -15722,7 +60295,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -15747,7 +60320,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -15757,37 +60330,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "AddDest" composition equation.
-    /// </summary>
-    public class AddDest : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static AddDest Instance { get; } = new AddDest();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -15799,14 +60355,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -15814,7 +60388,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -15826,34 +60401,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -15864,18 +60452,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -15883,7 +60490,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDest(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -15894,34 +60502,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -15932,6 +60554,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -15951,11 +60574,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -15963,7 +60602,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -15976,6 +60616,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -15988,31 +60629,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -16022,6 +60674,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -16046,10 +60699,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -16057,7 +60726,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -16069,6 +60739,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -16082,43 +60753,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "SubtractDest" composition equation.
+    /// A pixel blender that implements the "LightenDestIn" composition equation.
     /// </summary>
-    public class SubtractDest : PixelBlender<TPixel>
+    public class LightenDestIn : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static SubtractDest Instance { get; } = new SubtractDest();
+        public static LightenDestIn Instance { get; } = new LightenDestIn();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -16138,7 +60820,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -16149,7 +60831,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], amount);
                     }
                 }
             }
@@ -16165,7 +60847,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -16175,14 +60857,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], amount);
                 }
             }
         }
@@ -16208,7 +60890,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -16218,7 +60900,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, amount);
                     }
                 }
             }
@@ -16234,7 +60916,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -16243,14 +60925,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, amount);
                 }
             }
         }
@@ -16286,7 +60968,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -16298,7 +60980,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -16323,7 +61005,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -16334,14 +61016,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -16381,7 +61063,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -16392,7 +61074,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -16417,7 +61099,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -16427,37 +61109,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "ScreenDest" composition equation.
-    /// </summary>
-    public class ScreenDest : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static ScreenDest Instance { get; } = new ScreenDest();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -16469,14 +61134,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -16484,7 +61167,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -16496,34 +61180,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -16534,18 +61231,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -16553,7 +61269,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -16564,34 +61281,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -16602,6 +61333,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -16621,11 +61353,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -16633,7 +61381,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -16646,6 +61395,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -16658,31 +61408,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -16692,6 +61453,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -16716,10 +61478,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -16727,7 +61505,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -16739,6 +61518,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -16752,43 +61532,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "DarkenDest" composition equation.
+    /// A pixel blender that implements the "OverlayDestIn" composition equation.
     /// </summary>
-    public class DarkenDest : PixelBlender<TPixel>
+    public class OverlayDestIn : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static DarkenDest Instance { get; } = new DarkenDest();
+        public static OverlayDestIn Instance { get; } = new OverlayDestIn();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -16808,7 +61599,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -16819,7 +61610,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], amount);
                     }
                 }
             }
@@ -16835,7 +61626,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -16845,14 +61636,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], amount);
                 }
             }
         }
@@ -16878,7 +61669,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -16888,7 +61679,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, amount);
                     }
                 }
             }
@@ -16904,7 +61695,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -16913,14 +61704,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, amount);
                 }
             }
         }
@@ -16956,7 +61747,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -16968,7 +61759,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -16993,7 +61784,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -17004,14 +61795,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -17051,7 +61842,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -17062,7 +61853,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -17087,7 +61878,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -17097,37 +61888,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "LightenDest" composition equation.
-    /// </summary>
-    public class LightenDest : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static LightenDest Instance { get; } = new LightenDest();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -17139,14 +61913,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -17154,7 +61946,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -17166,34 +61959,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -17204,18 +62010,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -17223,7 +62048,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDest(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -17234,34 +62060,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -17272,6 +62112,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -17291,11 +62132,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -17303,7 +62160,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -17316,6 +62174,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -17328,31 +62187,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -17362,6 +62232,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -17386,10 +62257,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -17397,7 +62284,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -17409,6 +62297,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -17422,43 +62311,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "OverlayDest" composition equation.
+    /// A pixel blender that implements the "HardLightDestIn" composition equation.
     /// </summary>
-    public class OverlayDest : PixelBlender<TPixel>
+    public class HardLightDestIn : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static OverlayDest Instance { get; } = new OverlayDest();
+        public static HardLightDestIn Instance { get; } = new HardLightDestIn();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -17478,7 +62378,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -17489,7 +62389,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], amount);
                     }
                 }
             }
@@ -17505,7 +62405,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -17515,14 +62415,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], amount);
                 }
             }
         }
@@ -17548,7 +62448,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -17558,7 +62458,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, amount);
                     }
                 }
             }
@@ -17574,7 +62474,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -17583,14 +62483,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, amount);
                 }
             }
         }
@@ -17626,7 +62526,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -17638,7 +62538,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -17663,7 +62563,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -17674,14 +62574,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -17721,7 +62621,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -17732,7 +62632,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -17757,7 +62657,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDest(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -17767,37 +62667,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "HardLightDest" composition equation.
-    /// </summary>
-    public class HardLightDest : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static HardLightDest Instance { get; } = new HardLightDest();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDest(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -17809,14 +62692,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -17824,7 +62725,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -17836,34 +62738,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -17874,18 +62789,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -17893,7 +62827,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -17904,34 +62839,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -17942,6 +62891,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -17961,11 +62911,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -17973,7 +62939,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -17986,6 +62953,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -17998,31 +62966,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -18032,6 +63011,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -18056,10 +63036,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -18067,7 +63063,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -18079,6 +63076,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -18092,43 +63090,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDest(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDest(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "NormalDestAtop" composition equation.
+    /// A pixel blender that implements the "NormalDestOut" composition equation.
     /// </summary>
-    public class NormalDestAtop : PixelBlender<TPixel>
+    public class NormalDestOut : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static NormalDestAtop Instance { get; } = new NormalDestAtop();
+        public static NormalDestOut Instance { get; } = new NormalDestOut();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -18148,7 +63157,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -18159,7 +63168,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], amount);
                     }
                 }
             }
@@ -18175,7 +63184,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -18185,14 +63194,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], amount);
                 }
             }
         }
@@ -18218,7 +63227,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -18228,7 +63237,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, amount);
                     }
                 }
             }
@@ -18244,7 +63253,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -18253,14 +63262,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, amount);
                 }
             }
         }
@@ -18296,7 +63305,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -18308,7 +63317,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -18333,7 +63342,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -18344,14 +63353,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -18391,7 +63400,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -18402,7 +63411,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -18427,7 +63436,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -18437,37 +63446,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "MultiplyDestAtop" composition equation.
-    /// </summary>
-    public class MultiplyDestAtop : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static MultiplyDestAtop Instance { get; } = new MultiplyDestAtop();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -18479,14 +63471,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -18494,7 +63504,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -18506,34 +63517,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -18544,18 +63568,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -18563,7 +63606,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -18574,34 +63618,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -18612,6 +63670,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -18631,11 +63690,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -18643,7 +63718,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -18656,6 +63732,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -18668,31 +63745,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -18702,6 +63790,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -18726,10 +63815,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -18737,7 +63842,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -18749,6 +63855,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -18762,43 +63869,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "AddDestAtop" composition equation.
+    /// A pixel blender that implements the "MultiplyDestOut" composition equation.
     /// </summary>
-    public class AddDestAtop : PixelBlender<TPixel>
+    public class MultiplyDestOut : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static AddDestAtop Instance { get; } = new AddDestAtop();
+        public static MultiplyDestOut Instance { get; } = new MultiplyDestOut();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -18818,7 +63936,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -18829,7 +63947,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], amount);
                     }
                 }
             }
@@ -18845,7 +63963,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -18855,14 +63973,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], amount);
                 }
             }
         }
@@ -18888,7 +64006,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -18898,7 +64016,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, amount);
                     }
                 }
             }
@@ -18914,7 +64032,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -18923,14 +64041,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, amount);
                 }
             }
         }
@@ -18966,7 +64084,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -18978,7 +64096,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -19003,7 +64121,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -19014,14 +64132,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -19061,7 +64179,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -19072,7 +64190,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -19097,7 +64215,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -19107,37 +64225,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "SubtractDestAtop" composition equation.
-    /// </summary>
-    public class SubtractDestAtop : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static SubtractDestAtop Instance { get; } = new SubtractDestAtop();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -19149,14 +64250,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -19164,7 +64283,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -19176,34 +64296,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -19214,18 +64347,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -19233,7 +64385,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -19244,34 +64397,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -19282,6 +64449,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -19301,11 +64469,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -19313,7 +64497,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -19326,6 +64511,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -19338,31 +64524,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -19372,6 +64569,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -19396,10 +64594,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -19407,7 +64621,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -19419,6 +64634,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -19432,43 +64648,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "ScreenDestAtop" composition equation.
+    /// A pixel blender that implements the "AddDestOut" composition equation.
     /// </summary>
-    public class ScreenDestAtop : PixelBlender<TPixel>
+    public class AddDestOut : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static ScreenDestAtop Instance { get; } = new ScreenDestAtop();
+        public static AddDestOut Instance { get; } = new AddDestOut();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -19488,7 +64715,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -19499,7 +64726,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], amount);
                     }
                 }
             }
@@ -19515,7 +64742,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -19525,14 +64752,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], amount);
                 }
             }
         }
@@ -19558,7 +64785,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -19568,7 +64795,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, amount);
                     }
                 }
             }
@@ -19584,7 +64811,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -19593,14 +64820,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, amount);
                 }
             }
         }
@@ -19636,7 +64863,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -19648,7 +64875,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -19673,7 +64900,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -19684,14 +64911,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -19731,7 +64958,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -19742,7 +64969,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -19767,7 +64994,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -19777,37 +65004,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "DarkenDestAtop" composition equation.
-    /// </summary>
-    public class DarkenDestAtop : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static DarkenDestAtop Instance { get; } = new DarkenDestAtop();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -19819,14 +65029,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -19834,7 +65062,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -19846,34 +65075,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -19884,18 +65126,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -19903,7 +65164,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -19914,34 +65176,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -19952,6 +65228,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -19971,11 +65248,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -19983,7 +65276,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -19996,6 +65290,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -20008,31 +65303,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -20042,6 +65348,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -20066,10 +65373,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -20077,7 +65400,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -20089,6 +65413,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -20102,43 +65427,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "LightenDestAtop" composition equation.
+    /// A pixel blender that implements the "SubtractDestOut" composition equation.
     /// </summary>
-    public class LightenDestAtop : PixelBlender<TPixel>
+    public class SubtractDestOut : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static LightenDestAtop Instance { get; } = new LightenDestAtop();
+        public static SubtractDestOut Instance { get; } = new SubtractDestOut();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -20158,7 +65494,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -20169,7 +65505,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], amount);
                     }
                 }
             }
@@ -20185,7 +65521,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -20195,14 +65531,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], amount);
                 }
             }
         }
@@ -20228,7 +65564,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -20238,7 +65574,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, amount);
                     }
                 }
             }
@@ -20254,7 +65590,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -20263,14 +65599,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, amount);
                 }
             }
         }
@@ -20306,7 +65642,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -20318,7 +65654,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -20343,7 +65679,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -20354,14 +65690,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -20401,7 +65737,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -20412,7 +65748,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -20437,7 +65773,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -20447,37 +65783,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "OverlayDestAtop" composition equation.
-    /// </summary>
-    public class OverlayDestAtop : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static OverlayDestAtop Instance { get; } = new OverlayDestAtop();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -20489,14 +65808,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -20504,7 +65841,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -20516,34 +65854,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -20554,18 +65905,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -20573,7 +65943,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -20584,34 +65955,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -20622,6 +66007,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -20641,11 +66027,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -20653,7 +66055,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -20666,6 +66069,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -20678,31 +66082,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -20712,6 +66127,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -20736,10 +66152,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -20747,7 +66179,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -20759,6 +66192,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -20772,43 +66206,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestAtop(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "HardLightDestAtop" composition equation.
+    /// A pixel blender that implements the "ScreenDestOut" composition equation.
     /// </summary>
-    public class HardLightDestAtop : PixelBlender<TPixel>
+    public class ScreenDestOut : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static HardLightDestAtop Instance { get; } = new HardLightDestAtop();
+        public static ScreenDestOut Instance { get; } = new ScreenDestOut();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDestAtop(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -20828,7 +66273,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -20839,7 +66284,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], amount);
                     }
                 }
             }
@@ -20855,7 +66300,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -20865,14 +66310,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], amount);
                 }
             }
         }
@@ -20898,7 +66343,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -20908,7 +66353,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, amount);
                     }
                 }
             }
@@ -20924,7 +66369,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -20933,14 +66378,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, amount);
                 }
             }
         }
@@ -20976,7 +66421,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -20988,7 +66433,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -21013,7 +66458,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -21024,14 +66469,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -21071,7 +66516,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -21082,7 +66527,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -21107,7 +66552,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestAtop(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -21117,37 +66562,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestAtop(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "NormalDestOver" composition equation.
-    /// </summary>
-    public class NormalDestOver : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static NormalDestOver Instance { get; } = new NormalDestOver();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -21159,14 +66587,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -21174,7 +66620,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -21186,34 +66633,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -21224,18 +66684,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -21243,7 +66722,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -21254,34 +66734,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -21292,6 +66786,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -21311,11 +66806,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -21323,7 +66834,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -21336,6 +66848,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -21348,31 +66861,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -21382,6 +66906,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -21406,10 +66931,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -21417,7 +66958,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -21429,6 +66971,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -21442,43 +66985,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "MultiplyDestOver" composition equation.
+    /// A pixel blender that implements the "DarkenDestOut" composition equation.
     /// </summary>
-    public class MultiplyDestOver : PixelBlender<TPixel>
+    public class DarkenDestOut : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static MultiplyDestOver Instance { get; } = new MultiplyDestOver();
+        public static DarkenDestOut Instance { get; } = new DarkenDestOut();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -21498,7 +67052,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -21509,7 +67063,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], amount);
                     }
                 }
             }
@@ -21525,7 +67079,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -21535,14 +67089,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], amount);
                 }
             }
         }
@@ -21568,7 +67122,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -21578,7 +67132,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, amount);
                     }
                 }
             }
@@ -21594,7 +67148,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -21603,14 +67157,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, amount);
                 }
             }
         }
@@ -21646,7 +67200,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -21658,7 +67212,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -21683,7 +67237,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -21694,14 +67248,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -21741,7 +67295,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -21752,7 +67306,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -21777,7 +67331,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -21787,37 +67341,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "AddDestOver" composition equation.
-    /// </summary>
-    public class AddDestOver : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static AddDestOver Instance { get; } = new AddDestOver();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -21829,14 +67366,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -21844,7 +67399,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -21856,34 +67412,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -21894,18 +67463,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -21913,7 +67501,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -21924,34 +67513,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -21962,6 +67565,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -21981,11 +67585,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -21993,7 +67613,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -22006,6 +67627,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -22018,31 +67640,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -22052,6 +67685,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -22076,10 +67710,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -22087,7 +67737,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -22099,6 +67750,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -22112,43 +67764,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "SubtractDestOver" composition equation.
+    /// A pixel blender that implements the "LightenDestOut" composition equation.
     /// </summary>
-    public class SubtractDestOver : PixelBlender<TPixel>
+    public class LightenDestOut : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static SubtractDestOver Instance { get; } = new SubtractDestOver();
+        public static LightenDestOut Instance { get; } = new LightenDestOut();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -22168,7 +67831,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -22179,7 +67842,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], amount);
                     }
                 }
             }
@@ -22195,7 +67858,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -22205,14 +67868,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], amount);
                 }
             }
         }
@@ -22238,7 +67901,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -22248,7 +67911,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, amount);
                     }
                 }
             }
@@ -22264,7 +67927,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -22273,14 +67936,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, amount);
                 }
             }
         }
@@ -22316,7 +67979,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -22328,7 +67991,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -22353,7 +68016,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -22364,14 +68027,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -22411,7 +68074,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -22422,7 +68085,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -22447,7 +68110,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -22457,37 +68120,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "ScreenDestOver" composition equation.
-    /// </summary>
-    public class ScreenDestOver : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static ScreenDestOver Instance { get; } = new ScreenDestOver();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -22499,14 +68145,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -22514,7 +68178,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -22526,34 +68191,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -22564,18 +68242,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -22583,7 +68280,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -22594,34 +68292,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -22632,6 +68344,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -22651,11 +68364,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -22663,7 +68392,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -22676,6 +68406,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -22688,31 +68419,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -22722,6 +68464,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -22746,10 +68489,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -22757,7 +68516,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -22769,6 +68529,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -22782,43 +68543,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "DarkenDestOver" composition equation.
+    /// A pixel blender that implements the "OverlayDestOut" composition equation.
     /// </summary>
-    public class DarkenDestOver : PixelBlender<TPixel>
+    public class OverlayDestOut : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static DarkenDestOver Instance { get; } = new DarkenDestOver();
+        public static OverlayDestOut Instance { get; } = new OverlayDestOut();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -22838,7 +68610,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -22849,7 +68621,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], amount);
                     }
                 }
             }
@@ -22865,7 +68637,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -22875,14 +68647,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], amount);
                 }
             }
         }
@@ -22908,7 +68680,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -22918,7 +68690,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, amount);
                     }
                 }
             }
@@ -22934,7 +68706,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -22943,14 +68715,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, amount);
                 }
             }
         }
@@ -22986,7 +68758,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -22998,7 +68770,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -23023,7 +68795,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -23034,14 +68806,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -23081,7 +68853,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -23092,7 +68864,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -23117,7 +68889,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -23127,37 +68899,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "LightenDestOver" composition equation.
-    /// </summary>
-    public class LightenDestOver : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static LightenDestOver Instance { get; } = new LightenDestOver();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -23169,14 +68924,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -23184,7 +68957,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -23196,34 +68970,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -23234,18 +69021,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -23253,7 +69059,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -23264,34 +69071,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -23302,6 +69123,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -23321,11 +69143,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -23333,7 +69171,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -23346,6 +69185,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -23358,31 +69198,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -23392,6 +69243,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -23416,10 +69268,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -23427,7 +69295,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -23439,6 +69308,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -23452,43 +69322,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "OverlayDestOver" composition equation.
+    /// A pixel blender that implements the "HardLightDestOut" composition equation.
     /// </summary>
-    public class OverlayDestOver : PixelBlender<TPixel>
+    public class HardLightDestOut : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static OverlayDestOver Instance { get; } = new OverlayDestOver();
+        public static HardLightDestOut Instance { get; } = new HardLightDestOut();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -23508,7 +69389,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -23519,7 +69400,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], amount);
                     }
                 }
             }
@@ -23535,7 +69416,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -23545,14 +69426,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], amount);
                 }
             }
         }
@@ -23578,7 +69459,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -23588,7 +69469,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, amount);
                     }
                 }
             }
@@ -23604,7 +69485,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -23613,14 +69494,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, amount);
                 }
             }
         }
@@ -23656,7 +69537,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -23668,7 +69549,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -23693,7 +69574,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -23704,14 +69585,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -23751,7 +69632,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -23762,7 +69643,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -23787,7 +69668,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestOver(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -23797,37 +69678,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "HardLightDestOver" composition equation.
-    /// </summary>
-    public class HardLightDestOver : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static HardLightDestOver Instance { get; } = new HardLightDestOver();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDestOver(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -23839,14 +69703,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -23854,7 +69736,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -23866,34 +69749,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -23904,18 +69800,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -23923,7 +69838,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -23934,34 +69850,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -23972,6 +69902,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -23991,11 +69922,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -24003,7 +69950,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -24016,6 +69964,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -24028,31 +69977,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -24062,6 +70022,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -24086,10 +70047,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -24097,7 +70074,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -24109,6 +70087,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -24122,43 +70101,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestOver(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestOver(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "NormalDestIn" composition equation.
+    /// A pixel blender that implements the "NormalClear" composition equation.
     /// </summary>
-    public class NormalDestIn : PixelBlender<TPixel>
+    public class NormalClear : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static NormalDestIn Instance { get; } = new NormalDestIn();
+        public static NormalClear Instance { get; } = new NormalClear();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -24178,7 +70168,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -24189,7 +70179,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], amount);
                     }
                 }
             }
@@ -24205,7 +70195,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -24215,14 +70205,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], amount);
                 }
             }
         }
@@ -24248,7 +70238,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -24258,7 +70248,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.NormalClear(background[i], source, amount);
                     }
                 }
             }
@@ -24274,7 +70264,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -24283,14 +70273,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source, amount);
                 }
             }
         }
@@ -24326,7 +70316,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -24338,7 +70328,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -24363,7 +70353,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -24374,14 +70364,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -24421,7 +70411,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -24432,7 +70422,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -24457,7 +70447,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -24467,37 +70457,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "MultiplyDestIn" composition equation.
-    /// </summary>
-    public class MultiplyDestIn : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static MultiplyDestIn Instance { get; } = new MultiplyDestIn();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -24509,14 +70482,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -24524,7 +70515,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -24536,34 +70528,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -24574,18 +70579,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -24593,7 +70617,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -24604,34 +70629,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -24642,6 +70681,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -24661,11 +70701,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -24673,7 +70729,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -24686,6 +70743,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -24698,31 +70756,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -24732,6 +70801,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -24756,10 +70826,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -24767,7 +70853,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -24779,6 +70866,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -24792,43 +70880,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "AddDestIn" composition equation.
+    /// A pixel blender that implements the "MultiplyClear" composition equation.
     /// </summary>
-    public class AddDestIn : PixelBlender<TPixel>
+    public class MultiplyClear : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static AddDestIn Instance { get; } = new AddDestIn();
+        public static MultiplyClear Instance { get; } = new MultiplyClear();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -24848,7 +70947,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -24859,7 +70958,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], amount);
                     }
                 }
             }
@@ -24875,7 +70974,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -24885,14 +70984,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], amount);
                 }
             }
         }
@@ -24918,7 +71017,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -24928,7 +71027,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, amount);
                     }
                 }
             }
@@ -24944,7 +71043,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -24953,14 +71052,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, amount);
                 }
             }
         }
@@ -24996,7 +71095,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -25008,7 +71107,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -25033,7 +71132,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -25044,14 +71143,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -25091,7 +71190,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -25102,7 +71201,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -25127,7 +71226,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -25137,37 +71236,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "SubtractDestIn" composition equation.
-    /// </summary>
-    public class SubtractDestIn : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static SubtractDestIn Instance { get; } = new SubtractDestIn();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -25179,14 +71261,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -25194,7 +71294,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -25206,34 +71307,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -25244,18 +71358,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -25263,7 +71396,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -25274,34 +71408,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -25312,6 +71460,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -25331,11 +71480,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -25343,7 +71508,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -25356,6 +71522,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -25368,31 +71535,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -25402,6 +71580,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -25426,10 +71605,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -25437,7 +71632,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -25449,6 +71645,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -25462,43 +71659,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "ScreenDestIn" composition equation.
+    /// A pixel blender that implements the "AddClear" composition equation.
     /// </summary>
-    public class ScreenDestIn : PixelBlender<TPixel>
+    public class AddClear : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static ScreenDestIn Instance { get; } = new ScreenDestIn();
+        public static AddClear Instance { get; } = new AddClear();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -25518,7 +71726,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -25529,7 +71737,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], amount);
                     }
                 }
             }
@@ -25545,7 +71753,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -25555,14 +71763,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], amount);
                 }
             }
         }
@@ -25588,7 +71796,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -25598,7 +71806,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.AddClear(background[i], source, amount);
                     }
                 }
             }
@@ -25614,7 +71822,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -25623,14 +71831,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddClear(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddClear(background[i], source, amount);
                 }
             }
         }
@@ -25666,7 +71874,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -25678,7 +71886,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -25703,7 +71911,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -25714,14 +71922,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -25761,7 +71969,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -25772,7 +71980,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -25797,7 +72005,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -25807,37 +72015,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "DarkenDestIn" composition equation.
-    /// </summary>
-    public class DarkenDestIn : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static DarkenDestIn Instance { get; } = new DarkenDestIn();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -25849,14 +72040,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -25864,7 +72073,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.AddClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -25876,34 +72086,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -25914,18 +72137,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -25933,7 +72175,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.AddClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -25944,34 +72187,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -25982,6 +72239,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -26001,11 +72259,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -26013,7 +72287,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -26026,6 +72301,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -26038,31 +72314,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -26072,6 +72359,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -26096,10 +72384,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -26107,7 +72411,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -26119,6 +72424,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -26132,43 +72438,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "LightenDestIn" composition equation.
+    /// A pixel blender that implements the "SubtractClear" composition equation.
     /// </summary>
-    public class LightenDestIn : PixelBlender<TPixel>
+    public class SubtractClear : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static LightenDestIn Instance { get; } = new LightenDestIn();
+        public static SubtractClear Instance { get; } = new SubtractClear();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -26188,7 +72505,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -26199,7 +72516,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], amount);
                     }
                 }
             }
@@ -26215,7 +72532,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -26225,14 +72542,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], amount);
                 }
             }
         }
@@ -26258,7 +72575,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -26268,7 +72585,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, amount);
                     }
                 }
             }
@@ -26284,7 +72601,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -26293,14 +72610,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, amount);
                 }
             }
         }
@@ -26336,7 +72653,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -26348,7 +72665,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -26373,7 +72690,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -26384,14 +72701,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -26431,7 +72748,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -26442,7 +72759,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -26467,7 +72784,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -26477,37 +72794,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "OverlayDestIn" composition equation.
-    /// </summary>
-    public class OverlayDestIn : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static OverlayDestIn Instance { get; } = new OverlayDestIn();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -26519,14 +72819,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -26534,7 +72852,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -26546,34 +72865,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -26584,18 +72916,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -26603,7 +72954,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -26614,34 +72966,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -26652,6 +73018,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -26671,11 +73038,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -26683,7 +73066,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -26696,6 +73080,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -26708,31 +73093,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -26742,6 +73138,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -26766,10 +73163,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -26777,7 +73190,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -26789,6 +73203,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -26802,43 +73217,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestIn(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "HardLightDestIn" composition equation.
+    /// A pixel blender that implements the "ScreenClear" composition equation.
     /// </summary>
-    public class HardLightDestIn : PixelBlender<TPixel>
+    public class ScreenClear : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static HardLightDestIn Instance { get; } = new HardLightDestIn();
+        public static ScreenClear Instance { get; } = new ScreenClear();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDestIn(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -26858,7 +73284,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -26869,7 +73295,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], amount);
                     }
                 }
             }
@@ -26885,7 +73311,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -26895,14 +73321,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], amount);
                 }
             }
         }
@@ -26928,7 +73354,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -26938,7 +73364,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, amount);
                     }
                 }
             }
@@ -26954,7 +73380,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -26963,14 +73389,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, amount);
                 }
             }
         }
@@ -27006,7 +73432,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -27018,7 +73444,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -27043,7 +73469,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -27054,14 +73480,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -27101,7 +73527,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -27112,7 +73538,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -27137,7 +73563,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestIn(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -27147,37 +73573,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestIn(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "NormalDestOut" composition equation.
-    /// </summary>
-    public class NormalDestOut : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static NormalDestOut Instance { get; } = new NormalDestOut();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -27189,14 +73598,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -27204,7 +73631,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -27216,34 +73644,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -27254,18 +73695,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -27273,7 +73733,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -27284,34 +73745,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -27322,6 +73797,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -27341,11 +73817,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -27353,7 +73845,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -27366,6 +73859,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -27378,31 +73872,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -27412,6 +73917,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -27436,10 +73942,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -27447,7 +73969,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -27459,6 +73982,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -27472,43 +73996,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "MultiplyDestOut" composition equation.
+    /// A pixel blender that implements the "DarkenClear" composition equation.
     /// </summary>
-    public class MultiplyDestOut : PixelBlender<TPixel>
+    public class DarkenClear : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static MultiplyDestOut Instance { get; } = new MultiplyDestOut();
+        public static DarkenClear Instance { get; } = new DarkenClear();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -27528,7 +74063,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -27539,7 +74074,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], amount);
                     }
                 }
             }
@@ -27555,7 +74090,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -27565,14 +74100,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], amount);
                 }
             }
         }
@@ -27598,7 +74133,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -27608,7 +74143,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, amount);
                     }
                 }
             }
@@ -27624,7 +74159,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -27633,14 +74168,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, amount);
                 }
             }
         }
@@ -27676,7 +74211,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -27688,7 +74223,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -27713,7 +74248,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -27724,14 +74259,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -27771,7 +74306,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -27782,7 +74317,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -27807,7 +74342,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -27817,37 +74352,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "AddDestOut" composition equation.
-    /// </summary>
-    public class AddDestOut : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static AddDestOut Instance { get; } = new AddDestOut();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -27859,14 +74377,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -27874,7 +74410,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -27886,34 +74423,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -27924,18 +74474,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -27943,7 +74512,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -27954,34 +74524,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -27992,6 +74576,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -28011,11 +74596,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -28023,7 +74624,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -28036,6 +74638,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -28048,31 +74651,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -28082,6 +74696,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -28106,10 +74721,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -28117,7 +74748,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -28129,6 +74761,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -28142,43 +74775,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "SubtractDestOut" composition equation.
+    /// A pixel blender that implements the "LightenClear" composition equation.
     /// </summary>
-    public class SubtractDestOut : PixelBlender<TPixel>
+    public class LightenClear : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static SubtractDestOut Instance { get; } = new SubtractDestOut();
+        public static LightenClear Instance { get; } = new LightenClear();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -28198,7 +74842,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -28209,7 +74853,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], amount);
                     }
                 }
             }
@@ -28225,7 +74869,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -28235,14 +74879,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], amount);
                 }
             }
         }
@@ -28268,7 +74912,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -28278,7 +74922,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.LightenClear(background[i], source, amount);
                     }
                 }
             }
@@ -28294,7 +74938,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -28303,14 +74947,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source, amount);
                 }
             }
         }
@@ -28346,7 +74990,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -28358,7 +75002,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -28383,7 +75027,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -28394,14 +75038,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -28441,7 +75085,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -28452,7 +75096,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -28477,7 +75121,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -28487,37 +75131,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "ScreenDestOut" composition equation.
-    /// </summary>
-    public class ScreenDestOut : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static ScreenDestOut Instance { get; } = new ScreenDestOut();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -28529,14 +75156,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -28544,7 +75189,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -28556,34 +75202,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -28594,18 +75253,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -28613,7 +75291,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -28624,34 +75303,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -28662,6 +75355,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -28681,11 +75375,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -28693,7 +75403,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -28706,6 +75417,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -28718,31 +75430,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -28752,6 +75475,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -28776,10 +75500,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -28787,7 +75527,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -28799,6 +75540,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -28812,43 +75554,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "DarkenDestOut" composition equation.
+    /// A pixel blender that implements the "OverlayClear" composition equation.
     /// </summary>
-    public class DarkenDestOut : PixelBlender<TPixel>
+    public class OverlayClear : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static DarkenDestOut Instance { get; } = new DarkenDestOut();
+        public static OverlayClear Instance { get; } = new OverlayClear();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -28868,7 +75621,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -28879,7 +75632,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], amount);
                     }
                 }
             }
@@ -28895,7 +75648,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -28905,14 +75658,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], amount);
                 }
             }
         }
@@ -28938,7 +75691,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -28948,7 +75701,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, amount);
                     }
                 }
             }
@@ -28964,7 +75717,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -28973,14 +75726,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, amount);
                 }
             }
         }
@@ -29016,7 +75769,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -29028,7 +75781,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -29053,7 +75806,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -29064,14 +75817,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -29111,7 +75864,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -29122,7 +75875,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -29147,7 +75900,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -29157,37 +75910,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "LightenDestOut" composition equation.
-    /// </summary>
-    public class LightenDestOut : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static LightenDestOut Instance { get; } = new LightenDestOut();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -29199,14 +75935,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -29214,7 +75968,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -29226,34 +75981,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -29264,18 +76032,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -29283,7 +76070,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -29294,34 +76082,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -29332,6 +76134,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -29351,11 +76154,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -29363,7 +76182,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -29376,6 +76196,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -29388,31 +76209,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -29422,6 +76254,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -29446,10 +76279,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -29457,7 +76306,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -29469,6 +76319,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -29482,43 +76333,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "OverlayDestOut" composition equation.
+    /// A pixel blender that implements the "HardLightClear" composition equation.
     /// </summary>
-    public class OverlayDestOut : PixelBlender<TPixel>
+    public class HardLightClear : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static OverlayDestOut Instance { get; } = new OverlayDestOut();
+        public static HardLightClear Instance { get; } = new HardLightClear();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -29538,7 +76400,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -29549,7 +76411,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], amount);
                     }
                 }
             }
@@ -29565,7 +76427,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -29575,14 +76437,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], amount);
                 }
             }
         }
@@ -29608,7 +76470,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -29618,7 +76480,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, amount);
                     }
                 }
             }
@@ -29634,7 +76496,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -29643,14 +76505,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, amount);
                 }
             }
         }
@@ -29686,7 +76548,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -29698,7 +76560,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -29723,7 +76585,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -29734,14 +76596,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -29781,7 +76643,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -29792,7 +76654,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -29817,7 +76679,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayDestOut(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -29827,37 +76689,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "HardLightDestOut" composition equation.
-    /// </summary>
-    public class HardLightDestOut : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static HardLightDestOut Instance { get; } = new HardLightDestOut();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightDestOut(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -29869,14 +76714,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -29884,7 +76747,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -29896,34 +76760,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -29934,18 +76811,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -29953,7 +76849,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -29964,34 +76861,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -30002,6 +76913,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -30021,11 +76933,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -30033,7 +76961,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -30046,6 +76975,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -30058,31 +76988,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -30092,6 +77033,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -30116,10 +77058,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -30127,7 +77085,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -30139,6 +77098,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -30152,43 +77112,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightDestOut(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightDestOut(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "NormalClear" composition equation.
+    /// A pixel blender that implements the "NormalXor" composition equation.
     /// </summary>
-    public class NormalClear : PixelBlender<TPixel>
+    public class NormalXor : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static NormalClear Instance { get; } = new NormalClear();
+        public static NormalXor Instance { get; } = new NormalXor();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -30208,7 +77179,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -30219,7 +77190,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], amount);
                     }
                 }
             }
@@ -30235,7 +77206,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -30245,14 +77216,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], amount);
                 }
             }
         }
@@ -30278,7 +77249,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -30288,7 +77259,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.NormalXor(background[i], source, amount);
                     }
                 }
             }
@@ -30304,7 +77275,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -30313,14 +77284,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source, amount);
                 }
             }
         }
@@ -30356,7 +77327,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -30368,7 +77339,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -30393,7 +77364,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -30404,14 +77375,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -30451,7 +77422,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -30462,7 +77433,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.NormalXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -30487,7 +77458,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -30497,37 +77468,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "MultiplyClear" composition equation.
-    /// </summary>
-    public class MultiplyClear : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static MultiplyClear Instance { get; } = new MultiplyClear();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -30539,14 +77493,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -30554,7 +77526,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -30566,34 +77539,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -30604,18 +77590,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -30623,7 +77628,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -30634,34 +77640,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -30672,6 +77692,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -30691,11 +77712,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -30703,7 +77740,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -30716,6 +77754,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -30728,31 +77767,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -30762,6 +77812,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -30786,10 +77837,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -30797,7 +77864,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -30809,6 +77877,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -30822,43 +77891,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.NormalXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "AddClear" composition equation.
+    /// A pixel blender that implements the "MultiplyXor" composition equation.
     /// </summary>
-    public class AddClear : PixelBlender<TPixel>
+    public class MultiplyXor : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static AddClear Instance { get; } = new AddClear();
+        public static MultiplyXor Instance { get; } = new MultiplyXor();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -30878,7 +77958,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -30889,7 +77969,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], amount);
                     }
                 }
             }
@@ -30905,7 +77985,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -30915,14 +77995,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], amount);
                 }
             }
         }
@@ -30948,7 +78028,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -30958,7 +78038,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, amount);
                     }
                 }
             }
@@ -30974,7 +78054,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -30983,14 +78063,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, amount);
                 }
             }
         }
@@ -31026,7 +78106,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -31038,7 +78118,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -31063,7 +78143,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -31074,14 +78154,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -31121,7 +78201,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -31132,7 +78212,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -31157,7 +78237,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -31167,37 +78247,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "SubtractClear" composition equation.
-    /// </summary>
-    public class SubtractClear : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static SubtractClear Instance { get; } = new SubtractClear();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -31209,14 +78272,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -31224,7 +78305,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -31236,34 +78318,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -31274,18 +78369,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -31293,7 +78407,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -31304,34 +78419,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -31342,6 +78471,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -31361,11 +78491,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -31373,7 +78519,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -31386,6 +78533,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -31398,31 +78546,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -31432,6 +78591,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -31456,10 +78616,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -31467,7 +78643,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -31479,6 +78656,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -31492,43 +78670,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.MultiplyXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "ScreenClear" composition equation.
+    /// A pixel blender that implements the "AddXor" composition equation.
     /// </summary>
-    public class ScreenClear : PixelBlender<TPixel>
+    public class AddXor : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static ScreenClear Instance { get; } = new ScreenClear();
+        public static AddXor Instance { get; } = new AddXor();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.AddXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -31548,7 +78737,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -31559,7 +78748,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], amount);
                     }
                 }
             }
@@ -31575,7 +78764,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -31585,14 +78774,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], amount);
                 }
             }
         }
@@ -31618,7 +78807,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -31628,7 +78817,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.AddXor(background[i], source, amount);
                     }
                 }
             }
@@ -31644,7 +78833,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -31653,14 +78842,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddXor(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.AddXor(background[i], source, amount);
                 }
             }
         }
@@ -31696,7 +78885,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -31708,7 +78897,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -31733,7 +78922,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -31744,14 +78933,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -31791,7 +78980,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -31802,7 +78991,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.AddXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -31827,7 +79016,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -31837,37 +79026,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.AddXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "DarkenClear" composition equation.
-    /// </summary>
-    public class DarkenClear : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static DarkenClear Instance { get; } = new DarkenClear();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -31879,14 +79051,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -31894,7 +79084,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.AddXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -31906,34 +79097,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.AddXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -31944,18 +79148,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -31963,7 +79186,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.AddXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -31974,34 +79198,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.AddXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -32012,6 +79250,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -32031,11 +79270,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -32043,7 +79298,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -32056,6 +79312,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -32068,31 +79325,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -32102,6 +79370,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -32126,10 +79395,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -32137,7 +79422,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.AddXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -32149,6 +79435,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -32162,43 +79449,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.AddXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "LightenClear" composition equation.
+    /// A pixel blender that implements the "SubtractXor" composition equation.
     /// </summary>
-    public class LightenClear : PixelBlender<TPixel>
+    public class SubtractXor : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static LightenClear Instance { get; } = new LightenClear();
+        public static SubtractXor Instance { get; } = new SubtractXor();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -32218,7 +79516,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -32229,7 +79527,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], amount);
                     }
                 }
             }
@@ -32245,7 +79543,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -32255,14 +79553,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], amount);
                 }
             }
         }
@@ -32288,7 +79586,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -32298,7 +79596,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, amount);
                     }
                 }
             }
@@ -32314,7 +79612,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -32323,14 +79621,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, amount);
                 }
             }
         }
@@ -32366,7 +79664,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -32378,7 +79676,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -32403,7 +79701,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -32414,14 +79712,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -32461,7 +79759,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -32472,7 +79770,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -32497,7 +79795,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -32507,37 +79805,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "OverlayClear" composition equation.
-    /// </summary>
-    public class OverlayClear : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static OverlayClear Instance { get; } = new OverlayClear();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -32549,14 +79830,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -32564,7 +79863,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -32576,34 +79876,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -32614,18 +79927,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -32633,7 +79965,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -32644,34 +79977,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -32682,6 +80029,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -32701,11 +80049,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -32713,7 +80077,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -32726,6 +80091,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -32738,31 +80104,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -32772,6 +80149,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -32796,10 +80174,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -32807,7 +80201,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -32819,6 +80214,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -32832,43 +80228,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayClear(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.SubtractXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "HardLightClear" composition equation.
+    /// A pixel blender that implements the "ScreenXor" composition equation.
     /// </summary>
-    public class HardLightClear : PixelBlender<TPixel>
+    public class ScreenXor : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static HardLightClear Instance { get; } = new HardLightClear();
+        public static ScreenXor Instance { get; } = new ScreenXor();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightClear(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -32888,7 +80295,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -32899,7 +80306,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], amount);
                     }
                 }
             }
@@ -32915,7 +80322,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -32925,14 +80332,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], amount);
                 }
             }
         }
@@ -32958,7 +80365,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -32968,7 +80375,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, amount);
                     }
                 }
             }
@@ -32984,7 +80391,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -32993,14 +80400,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, amount);
                 }
             }
         }
@@ -33036,7 +80443,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -33048,7 +80455,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -33073,7 +80480,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -33084,14 +80491,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -33131,7 +80538,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -33142,7 +80549,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -33167,7 +80574,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightClear(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -33177,37 +80584,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightClear(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "NormalXor" composition equation.
-    /// </summary>
-    public class NormalXor : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static NormalXor Instance { get; } = new NormalXor();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.NormalXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -33219,14 +80609,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -33234,7 +80642,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -33246,34 +80655,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -33284,18 +80706,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -33303,7 +80744,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalXor(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -33314,34 +80756,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -33352,6 +80808,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -33371,11 +80828,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -33383,7 +80856,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -33396,6 +80870,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -33408,31 +80883,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -33442,6 +80928,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -33466,10 +80953,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -33477,7 +80980,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.NormalXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -33489,6 +80993,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -33502,43 +81007,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.NormalXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.NormalXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.ScreenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "MultiplyXor" composition equation.
+    /// A pixel blender that implements the "DarkenXor" composition equation.
     /// </summary>
-    public class MultiplyXor : PixelBlender<TPixel>
+    public class DarkenXor : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static MultiplyXor Instance { get; } = new MultiplyXor();
+        public static DarkenXor Instance { get; } = new DarkenXor();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.MultiplyXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -33558,7 +81074,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -33569,7 +81085,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], amount);
                     }
                 }
             }
@@ -33585,7 +81101,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -33595,14 +81111,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], amount);
                 }
             }
         }
@@ -33628,7 +81144,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -33638,7 +81154,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, amount);
                     }
                 }
             }
@@ -33654,7 +81170,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -33663,14 +81179,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, amount);
                 }
             }
         }
@@ -33706,7 +81222,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -33718,7 +81234,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -33743,7 +81259,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -33754,14 +81270,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -33801,7 +81317,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -33812,7 +81328,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -33837,7 +81353,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.MultiplyXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -33847,37 +81363,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.MultiplyXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "AddXor" composition equation.
-    /// </summary>
-    public class AddXor : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static AddXor Instance { get; } = new AddXor();
 
         /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.AddXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
-
-        /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -33889,14 +81388,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -33904,7 +81421,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -33916,34 +81434,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -33954,18 +81485,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -33973,7 +81523,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddXor(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -33984,34 +81535,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -34022,6 +81587,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -34041,11 +81607,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -34053,7 +81635,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -34066,6 +81649,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -34078,31 +81662,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -34112,6 +81707,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -34136,10 +81732,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -34147,7 +81759,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.AddXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -34159,6 +81772,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -34172,43 +81786,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.AddXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.AddXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.AddXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.DarkenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "SubtractXor" composition equation.
+    /// A pixel blender that implements the "LightenXor" composition equation.
     /// </summary>
-    public class SubtractXor : PixelBlender<TPixel>
+    public class LightenXor : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static SubtractXor Instance { get; } = new SubtractXor();
+        public static LightenXor Instance { get; } = new LightenXor();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.SubtractXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -34228,7 +81853,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -34239,7 +81864,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], amount);
                     }
                 }
             }
@@ -34255,7 +81880,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -34265,14 +81890,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], amount);
                 }
             }
         }
@@ -34298,7 +81923,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -34308,7 +81933,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.LightenXor(background[i], source, amount);
                     }
                 }
             }
@@ -34324,7 +81949,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -34333,14 +81958,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source, amount);
                 }
             }
         }
@@ -34376,7 +82001,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -34388,7 +82013,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -34413,7 +82038,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -34424,14 +82049,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -34471,7 +82096,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -34482,7 +82107,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.LightenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -34507,7 +82132,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.SubtractXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -34517,37 +82142,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.SubtractXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "ScreenXor" composition equation.
-    /// </summary>
-    public class ScreenXor : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static ScreenXor Instance { get; } = new ScreenXor();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.ScreenXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -34559,14 +82167,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -34574,7 +82200,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -34586,34 +82213,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -34624,18 +82264,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -34643,7 +82302,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -34654,34 +82314,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -34692,6 +82366,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -34711,11 +82386,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -34723,7 +82414,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -34736,6 +82428,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -34748,31 +82441,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -34782,6 +82486,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -34806,10 +82511,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -34817,7 +82538,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -34829,6 +82551,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -34842,43 +82565,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.ScreenXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.ScreenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.LightenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "DarkenXor" composition equation.
+    /// A pixel blender that implements the "OverlayXor" composition equation.
     /// </summary>
-    public class DarkenXor : PixelBlender<TPixel>
+    public class OverlayXor : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static DarkenXor Instance { get; } = new DarkenXor();
+        public static OverlayXor Instance { get; } = new OverlayXor();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.DarkenXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -34898,7 +82632,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -34909,7 +82643,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], amount);
                     }
                 }
             }
@@ -34925,7 +82659,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -34935,14 +82669,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], amount);
                 }
             }
         }
@@ -34968,7 +82702,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -34978,7 +82712,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, amount);
                     }
                 }
             }
@@ -34994,7 +82728,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -35003,14 +82737,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, amount);
                 }
             }
         }
@@ -35046,7 +82780,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -35058,7 +82792,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -35083,7 +82817,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -35094,14 +82828,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -35141,7 +82875,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -35152,7 +82886,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -35177,7 +82911,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.DarkenXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -35187,37 +82921,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.DarkenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "LightenXor" composition equation.
-    /// </summary>
-    public class LightenXor : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static LightenXor Instance { get; } = new LightenXor();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.LightenXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -35229,14 +82946,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -35244,7 +82979,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -35256,34 +82992,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -35294,18 +83043,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -35313,7 +83081,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenXor(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -35324,34 +83093,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -35362,6 +83145,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -35381,11 +83165,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -35393,7 +83193,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -35406,6 +83207,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -35418,31 +83220,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -35452,6 +83265,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -35476,10 +83290,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -35487,7 +83317,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.LightenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -35499,6 +83330,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -35512,43 +83344,54 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.LightenXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.LightenXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.OverlayXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
     }
 
     /// <summary>
-    /// A pixel blender that implements the "OverlayXor" composition equation.
+    /// A pixel blender that implements the "HardLightXor" composition equation.
     /// </summary>
-    public class OverlayXor : PixelBlender<TPixel>
+    public class HardLightXor : PixelBlender<TPixel>
     {
         /// <summary>
         /// Gets the static instance of this blender.
         /// </summary>
-        public static OverlayXor Instance { get; } = new OverlayXor();
+        public static HardLightXor Instance { get; } = new HardLightXor();
 
         /// <inheritdoc />
         public override TPixel Blend(TPixel background, TPixel source, float amount)
         {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.OverlayXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
+            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
         }
 
         /// <inheritdoc />
@@ -35568,7 +83411,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -35579,7 +83422,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], amount);
                     }
                 }
             }
@@ -35595,7 +83438,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -35605,14 +83448,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], amount);
                 }
             }
         }
@@ -35638,7 +83481,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -35648,7 +83491,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, amount);
                     }
                 }
             }
@@ -35664,7 +83507,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                 }
@@ -35673,14 +83516,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, amount);
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, amount);
                 }
             }
         }
@@ -35716,7 +83559,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -35728,7 +83571,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -35753,7 +83596,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
@@ -35764,14 +83607,14 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
@@ -35811,7 +83654,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
@@ -35822,7 +83665,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                     }
                 }
             }
@@ -35847,7 +83690,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.OverlayXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
@@ -35857,37 +83700,20 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.OverlayXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
                 }
             }
         }
-    }
-
-    /// <summary>
-    /// A pixel blender that implements the "HardLightXor" composition equation.
-    /// </summary>
-    public class HardLightXor : PixelBlender<TPixel>
-    {
-        /// <summary>
-        /// Gets the static instance of this blender.
-        /// </summary>
-        public static HardLightXor Instance { get; } = new HardLightXor();
-
-        /// <inheritdoc />
-        public override TPixel Blend(TPixel background, TPixel source, float amount)
-        {
-            return TPixel.FromScaledVector4(PorterDuffFunctions.HardLightXor(background.ToScaledVector4(), source.ToScaledVector4(), Numerics.Clamp(amount, 0, 1)));
-        }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -35899,14 +83725,32 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -35914,7 +83758,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -35926,34 +83771,47 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
         {
             amount = Numerics.Clamp(amount, 0, 1);
 
@@ -35964,18 +83822,37 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W,
                     source.X, source.Y, source.Z, source.W);
                 Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -35983,7 +83860,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, amount);
+                        Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -35994,34 +83872,48 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
 
                 while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
                 {
-                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, amount);
+                    Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -36032,6 +83924,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> vOne = Vector512.Create(1F);
 
@@ -36051,11 +83944,27 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -36063,7 +83972,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -36076,6 +83986,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> vOne = Vector256.Create(1F);
 
@@ -36088,31 +83999,42 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     sourceBase = ref Unsafe.Add(ref sourceBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
 
         /// <inheritdoc />
-        protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount)
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
         {
             if (Avx512F.IsSupported && destination.Length >= 4)
             {
@@ -36122,6 +84044,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector512<float> sourceBase = Vector512.Create(
                     source.X, source.Y, source.Z, source.W,
@@ -36146,10 +84069,26 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         amount3, amount3, amount3, amount3);
                     opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
                 }
 
                 int remainder = Numerics.Modulo4(destination.Length);
@@ -36157,7 +84096,8 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                 {
                     for (int i = destination.Length - remainder; i < destination.Length; i++)
                     {
-                        destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                     }
                 }
             }
@@ -36169,6 +84109,7 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
 
                 ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
                 ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
 
                 Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
                 Vector256<float> vOne = Vector256.Create(1F);
@@ -36182,24 +84123,35 @@ protected override void BlendFunction(Span<Vector4> destination, ReadOnlySpan<Ve
                         Vector128.Create(Unsafe.Add(ref amountBase, 1)));
                     opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
 
-                    destinationBase = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.HardLightXor(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
                     destinationBase = ref Unsafe.Add(ref destinationBase, 1);
                     backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
                     amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
                 }
 
                 if (Numerics.Modulo2(destination.Length) != 0)
                 {
                     // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
                     int i = destination.Length - 1;
-                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
             else
             {
                 for (int i = 0; i < destination.Length; i++)
                 {
-                    destination[i] = PorterDuffFunctions.HardLightXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    Vector4 blended = PorterDuffFunctions.HardLightXor(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
                 }
             }
         }
diff --git a/src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.tt b/src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.tt
index c2439c24cc..e20e47f2bb 100644
--- a/src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.tt
+++ b/src/ImageSharp/PixelFormats/PixelBlenders/DefaultPixelBlenders.Generated.tt
@@ -401,6 +401,450 @@ var blenders = new []{
                 }
             }
         }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.<#=blender_composer#>(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source[i], amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.<#=blender_composer#>(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source[i], amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, float amount, ReadOnlySpan<float> coverage)
+        {
+            amount = Numerics.Clamp(amount, 0, 1);
+
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> opacity = Vector512.Create(amount);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.<#=blender_composer#>(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source, amount);
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> opacity = Vector256.Create(amount);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.<#=blender_composer#>(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source, amount);
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, ReadOnlySpan<Vector4> source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector512<float> sourceBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.<#=blender_composer#>(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref Vector256<float> sourceBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(source));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.<#=blender_composer#>(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    sourceBase = ref Unsafe.Add(ref sourceBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source[i], Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
+
+        /// <inheritdoc />
+        protected override void BlendWithCoverageFunction(Span<Vector4> destination, ReadOnlySpan<Vector4> background, Vector4 source, ReadOnlySpan<float> amount, ReadOnlySpan<float> coverage)
+        {
+            if (Avx512F.IsSupported && destination.Length >= 4)
+            {
+                // Divide by 4 as 4 elements per Vector4 and 16 per Vector512<float>
+                ref Vector512<float> destinationBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector512<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 4u);
+
+                ref Vector512<float> backgroundBase = ref Unsafe.As<Vector4, Vector512<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector512<float> sourceBase = Vector512.Create(
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W,
+                    source.X, source.Y, source.Z, source.W);
+                Vector512<float> vOne = Vector512.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    float amount0 = amountBase;
+                    float amount1 = Unsafe.Add(ref amountBase, 1);
+                    float amount2 = Unsafe.Add(ref amountBase, 2);
+                    float amount3 = Unsafe.Add(ref amountBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four amount values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> opacity = Vector512.Create(
+                        amount0, amount0, amount0, amount0,
+                        amount1, amount1, amount1, amount1,
+                        amount2, amount2, amount2, amount2,
+                        amount3, amount3, amount3, amount3);
+                    opacity = Vector512.Min(Vector512.Max(Vector512<float>.Zero, opacity), vOne);
+
+                    float coverage0 = coverageBase;
+                    float coverage1 = Unsafe.Add(ref coverageBase, 1);
+                    float coverage2 = Unsafe.Add(ref coverageBase, 2);
+                    float coverage3 = Unsafe.Add(ref coverageBase, 3);
+
+                    // We need to create a Vector512<float> containing the current four coverage values
+                    // taking up each quarter of the Vector512<float> and then clamp them.
+                    Vector512<float> coverageVector = Vector512.Create(
+                        coverage0, coverage0, coverage0, coverage0,
+                        coverage1, coverage1, coverage1, coverage1,
+                        coverage2, coverage2, coverage2, coverage2,
+                        coverage3, coverage3, coverage3, coverage3);
+                    coverageVector = Vector512.Min(Vector512.Max(Vector512<float>.Zero, coverageVector), vOne);
+
+                    Vector512<float> blended = PorterDuffFunctions.<#=blender_composer#>(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 4);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 4);
+                }
+
+                int remainder = Numerics.Modulo4(destination.Length);
+                if (remainder != 0)
+                {
+                    for (int i = destination.Length - remainder; i < destination.Length; i++)
+                    {
+                        Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                        destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                    }
+                }
+            }
+            else if (Avx2.IsSupported && destination.Length >= 2)
+            {
+                // Divide by 2 as 4 elements per Vector4 and 8 per Vector256<float>
+                ref Vector256<float> destinationBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(destination));
+                ref Vector256<float> destinationLast = ref Unsafe.Add(ref destinationBase, (uint)destination.Length / 2u);
+
+                ref Vector256<float> backgroundBase = ref Unsafe.As<Vector4, Vector256<float>>(ref MemoryMarshal.GetReference(background));
+                ref float amountBase = ref MemoryMarshal.GetReference(amount);
+                ref float coverageBase = ref MemoryMarshal.GetReference(coverage);
+
+                Vector256<float> sourceBase = Vector256.Create(source.X, source.Y, source.Z, source.W, source.X, source.Y, source.Z, source.W);
+                Vector256<float> vOne = Vector256.Create(1F);
+
+                while (Unsafe.IsAddressLessThan(ref destinationBase, ref destinationLast))
+                {
+                    // We need to create a Vector256<float> containing the current and next amount values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> opacity = Vector256.Create(
+                        Vector128.Create(amountBase),
+                        Vector128.Create(Unsafe.Add(ref amountBase, 1)));
+                    opacity = Avx.Min(Avx.Max(Vector256<float>.Zero, opacity), vOne);
+
+                    // We need to create a Vector256<float> containing the current and next coverage values
+                    // taking up each half of the Vector256<float> and then clamp them.
+                    Vector256<float> coverageVector = Vector256.Create(
+                        Vector128.Create(coverageBase),
+                        Vector128.Create(Unsafe.Add(ref coverageBase, 1)));
+                    coverageVector = Avx.Min(Avx.Max(Vector256<float>.Zero, coverageVector), vOne);
+
+                    Vector256<float> blended = PorterDuffFunctions.<#=blender_composer#>(backgroundBase, sourceBase, opacity);
+                    destinationBase = PorterDuffFunctions.BlendWithCoverage(backgroundBase, blended, coverageVector);
+                    destinationBase = ref Unsafe.Add(ref destinationBase, 1);
+                    backgroundBase = ref Unsafe.Add(ref backgroundBase, 1);
+                    amountBase = ref Unsafe.Add(ref amountBase, 2);
+                    coverageBase = ref Unsafe.Add(ref coverageBase, 2);
+                }
+
+                if (Numerics.Modulo2(destination.Length) != 0)
+                {
+                    // Vector4 fits neatly in pairs. Any overlap has to be equal to 1.
+                    int i = destination.Length - 1;
+                    Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+            else
+            {
+                for (int i = 0; i < destination.Length; i++)
+                {
+                    Vector4 blended = PorterDuffFunctions.<#=blender_composer#>(background[i], source, Numerics.Clamp(amount[i], 0, 1F));
+                    destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], blended, Numerics.Clamp(coverage[i], 0, 1F));
+                }
+            }
+        }
     }
 
 <#
diff --git a/src/ImageSharp/PixelFormats/PixelBlenders/PorterDuffFunctions.cs b/src/ImageSharp/PixelFormats/PixelBlenders/PorterDuffFunctions.cs
index 948076fa32..b764432e8a 100644
--- a/src/ImageSharp/PixelFormats/PixelBlenders/PorterDuffFunctions.cs
+++ b/src/ImageSharp/PixelFormats/PixelBlenders/PorterDuffFunctions.cs
@@ -324,6 +324,65 @@ public static Vector512<float> HardLight(Vector512<float> backdrop, Vector512<fl
         return Vector512.Min(Vector512.Create(1F), Vector512.ConditionalSelect(AlphaMask512(), Vector512<float>.Zero, color));
     }
 
+    /// <summary>
+    /// Applies raster coverage to a Porter-Duff composition result.
+    /// </summary>
+    /// <param name="backdrop">The backdrop vector.</param>
+    /// <param name="source">The Porter-Duff composition result.</param>
+    /// <param name="coverage">The coverage. Range 0..1.</param>
+    /// <returns>The <see cref="Vector4"/>.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static Vector4 BlendWithCoverage(Vector4 backdrop, Vector4 source, float coverage)
+    {
+        Vector4 backdropAlpha = Numerics.PermuteW(backdrop);
+        Vector4 sourceAlpha = Numerics.PermuteW(source);
+        Vector4 backdropPremultiplied = Numerics.WithW(backdrop * backdropAlpha, backdropAlpha);
+        Vector4 sourcePremultiplied = Numerics.WithW(source * sourceAlpha, sourceAlpha);
+        Vector4 result = backdropPremultiplied + ((sourcePremultiplied - backdropPremultiplied) * coverage);
+
+        Numerics.UnPremultiply(ref result);
+        return result;
+    }
+
+    /// <summary>
+    /// Applies raster coverage to a Porter-Duff composition result.
+    /// </summary>
+    /// <param name="backdrop">The backdrop vector.</param>
+    /// <param name="source">The Porter-Duff composition result.</param>
+    /// <param name="coverage">The coverage. Range 0..1.</param>
+    /// <returns>The <see cref="Vector256{Single}"/>.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static Vector256<float> BlendWithCoverage(Vector256<float> backdrop, Vector256<float> source, Vector256<float> coverage)
+    {
+        Vector256<float> backdropAlpha = Avx.Permute(backdrop, ShuffleAlphaControl);
+        Vector256<float> sourceAlpha = Avx.Permute(source, ShuffleAlphaControl);
+        Vector256<float> backdropPremultiplied = Avx.Blend(backdrop * backdropAlpha, backdropAlpha, BlendAlphaControl);
+        Vector256<float> sourcePremultiplied = Avx.Blend(source * sourceAlpha, sourceAlpha, BlendAlphaControl);
+        Vector256<float> result = Vector256_.MultiplyAdd(backdropPremultiplied, sourcePremultiplied - backdropPremultiplied, coverage);
+
+        return Numerics.UnPremultiply(result, Avx.Permute(result, ShuffleAlphaControl));
+    }
+
+    /// <summary>
+    /// Applies raster coverage to a Porter-Duff composition result.
+    /// </summary>
+    /// <param name="backdrop">The backdrop vector.</param>
+    /// <param name="source">The Porter-Duff composition result.</param>
+    /// <param name="coverage">The coverage. Range 0..1.</param>
+    /// <returns>The <see cref="Vector512{Single}"/>.</returns>
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static Vector512<float> BlendWithCoverage(Vector512<float> backdrop, Vector512<float> source, Vector512<float> coverage)
+    {
+        Vector512<float> backdropAlpha = Vector512_.ShuffleNative(backdrop, ShuffleAlphaControl);
+        Vector512<float> sourceAlpha = Vector512_.ShuffleNative(source, ShuffleAlphaControl);
+        Vector512<float> alphaMask = AlphaMask512();
+        Vector512<float> backdropPremultiplied = Vector512.ConditionalSelect(alphaMask, backdropAlpha, backdrop * backdropAlpha);
+        Vector512<float> sourcePremultiplied = Vector512.ConditionalSelect(alphaMask, sourceAlpha, source * sourceAlpha);
+        Vector512<float> result = Vector512_.MultiplyAdd(backdropPremultiplied, sourcePremultiplied - backdropPremultiplied, coverage);
+
+        return Numerics.UnPremultiply(result, Vector512_.ShuffleNative(result, ShuffleAlphaControl));
+    }
+
     /// <summary>
     /// Helper function for Overlay and HardLight modes
     /// </summary>
diff --git a/src/ImageSharp/PixelFormats/PixelBlender{TPixel}.cs b/src/ImageSharp/PixelFormats/PixelBlender{TPixel}.cs
index fcd28796fb..0b1a51d74f 100644
--- a/src/ImageSharp/PixelFormats/PixelBlender{TPixel}.cs
+++ b/src/ImageSharp/PixelFormats/PixelBlender{TPixel}.cs
@@ -3,6 +3,7 @@
 
 using System.Buffers;
 using System.Numerics;
+using SixLabors.ImageSharp.PixelFormats.PixelBlenders;
 
 namespace SixLabors.ImageSharp.PixelFormats;
 
@@ -167,6 +168,162 @@ public void Blend(
         PixelOperations<TPixel>.Instance.FromVector4Destructive(configuration, destinationVectors, destination, PixelConversionModifiers.Scale);
     }
 
+    /// <summary>
+    /// Blends 2 rows together with per-pixel coverage.
+    /// </summary>
+    /// <typeparam name="TPixelSrc">the pixel format of the source span</typeparam>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source span</param>
+    /// <param name="amount">
+    /// A value between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    public void BlendWithCoverage<TPixelSrc>(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        ReadOnlySpan<TPixelSrc> source,
+        float amount,
+        ReadOnlySpan<float> coverage)
+        where TPixelSrc : unmanaged, IPixel<TPixelSrc>
+    {
+        int maxLength = destination.Length;
+        Guard.MustBeGreaterThanOrEqualTo(background.Length, maxLength, nameof(background.Length));
+        Guard.MustBeGreaterThanOrEqualTo(source.Length, maxLength, nameof(source.Length));
+        Guard.MustBeBetweenOrEqualTo(amount, 0, 1, nameof(amount));
+        Guard.MustBeGreaterThanOrEqualTo(coverage.Length, maxLength, nameof(coverage.Length));
+
+        using IMemoryOwner<Vector4> buffer = configuration.MemoryAllocator.Allocate<Vector4>(maxLength * 3);
+        this.BlendWithCoverage(
+            configuration,
+            destination,
+            background,
+            source,
+            amount,
+            coverage,
+            buffer.Memory.Span[..(maxLength * 3)]);
+    }
+
+    /// <summary>
+    /// Blends 2 rows together with per-pixel coverage using caller-provided temporary vector scratch.
+    /// </summary>
+    /// <typeparam name="TPixelSrc">the pixel format of the source span</typeparam>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source span</param>
+    /// <param name="amount">
+    /// A value between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    /// <param name="workingBuffer">Reusable temporary vector scratch with capacity for at least 3 rows.</param>
+    public void BlendWithCoverage<TPixelSrc>(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        ReadOnlySpan<TPixelSrc> source,
+        float amount,
+        ReadOnlySpan<float> coverage,
+        Span<Vector4> workingBuffer)
+        where TPixelSrc : unmanaged, IPixel<TPixelSrc>
+    {
+        int maxLength = destination.Length;
+        Guard.MustBeGreaterThanOrEqualTo(background.Length, maxLength, nameof(background.Length));
+        Guard.MustBeGreaterThanOrEqualTo(source.Length, maxLength, nameof(source.Length));
+        Guard.MustBeBetweenOrEqualTo(amount, 0, 1, nameof(amount));
+        Guard.MustBeGreaterThanOrEqualTo(coverage.Length, maxLength, nameof(coverage.Length));
+        Guard.MustBeGreaterThanOrEqualTo(workingBuffer.Length, maxLength * 3, nameof(workingBuffer.Length));
+
+        Span<Vector4> destinationVectors = workingBuffer[..maxLength];
+        Span<Vector4> backgroundVectors = workingBuffer.Slice(maxLength, maxLength);
+        Span<Vector4> sourceVectors = workingBuffer.Slice(maxLength * 2, maxLength);
+
+        PixelOperations<TPixel>.Instance.ToVector4(configuration, background[..maxLength], backgroundVectors, PixelConversionModifiers.Scale);
+        PixelOperations<TPixelSrc>.Instance.ToVector4(configuration, source[..maxLength], sourceVectors, PixelConversionModifiers.Scale);
+
+        this.BlendWithCoverageFunction(destinationVectors, backgroundVectors, sourceVectors, amount, coverage);
+
+        PixelOperations<TPixel>.Instance.FromVector4Destructive(configuration, destinationVectors, destination, PixelConversionModifiers.Scale);
+    }
+
+    /// <summary>
+    /// Blends a row against a constant source color with per-pixel coverage.
+    /// </summary>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source color</param>
+    /// <param name="amount">
+    /// A value between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    public void BlendWithCoverage(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        TPixel source,
+        float amount,
+        ReadOnlySpan<float> coverage)
+    {
+        int maxLength = destination.Length;
+        Guard.MustBeGreaterThanOrEqualTo(background.Length, maxLength, nameof(background.Length));
+        Guard.MustBeBetweenOrEqualTo(amount, 0, 1, nameof(amount));
+        Guard.MustBeGreaterThanOrEqualTo(coverage.Length, maxLength, nameof(coverage.Length));
+
+        using IMemoryOwner<Vector4> buffer = configuration.MemoryAllocator.Allocate<Vector4>(maxLength * 2);
+        this.BlendWithCoverage(
+            configuration,
+            destination,
+            background,
+            source,
+            amount,
+            coverage,
+            buffer.Memory.Span[..(maxLength * 2)]);
+    }
+
+    /// <summary>
+    /// Blends a row against a constant source color with per-pixel coverage using caller-provided temporary vector scratch.
+    /// </summary>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source color</param>
+    /// <param name="amount">
+    /// A value between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    /// <param name="workingBuffer">Reusable temporary vector scratch with capacity for at least 2 rows.</param>
+    public void BlendWithCoverage(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        TPixel source,
+        float amount,
+        ReadOnlySpan<float> coverage,
+        Span<Vector4> workingBuffer)
+    {
+        int maxLength = destination.Length;
+        Guard.MustBeGreaterThanOrEqualTo(background.Length, maxLength, nameof(background.Length));
+        Guard.MustBeBetweenOrEqualTo(amount, 0, 1, nameof(amount));
+        Guard.MustBeGreaterThanOrEqualTo(coverage.Length, maxLength, nameof(coverage.Length));
+        Guard.MustBeGreaterThanOrEqualTo(workingBuffer.Length, maxLength * 2, nameof(workingBuffer.Length));
+
+        Span<Vector4> destinationVectors = workingBuffer[..maxLength];
+        Span<Vector4> backgroundVectors = workingBuffer.Slice(maxLength, maxLength);
+
+        PixelOperations<TPixel>.Instance.ToVector4(configuration, background[..maxLength], backgroundVectors, PixelConversionModifiers.Scale);
+
+        this.BlendWithCoverageFunction(destinationVectors, backgroundVectors, source.ToScaledVector4(), amount, coverage);
+
+        PixelOperations<TPixel>.Instance.FromVector4Destructive(configuration, destinationVectors, destination, PixelConversionModifiers.Scale);
+    }
+
     /// <summary>
     /// Blends 2 rows together
     /// </summary>
@@ -349,6 +506,206 @@ public void Blend(
         PixelOperations<TPixel>.Instance.FromVector4Destructive(configuration, destinationVectors, destination, PixelConversionModifiers.Scale);
     }
 
+    /// <summary>
+    /// Blends 2 rows together with per-pixel coverage.
+    /// </summary>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source span</param>
+    /// <param name="amount">
+    /// A span with values between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    public void BlendWithCoverage(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        ReadOnlySpan<TPixel> source,
+        ReadOnlySpan<float> amount,
+        ReadOnlySpan<float> coverage)
+        => this.BlendWithCoverage<TPixel>(configuration, destination, background, source, amount, coverage);
+
+    /// <summary>
+    /// Blends 2 rows together with per-pixel coverage using caller-provided temporary vector scratch.
+    /// </summary>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source span</param>
+    /// <param name="amount">
+    /// A span with values between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    /// <param name="workingBuffer">Reusable temporary vector scratch with capacity for at least 3 rows.</param>
+    public void BlendWithCoverage(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        ReadOnlySpan<TPixel> source,
+        ReadOnlySpan<float> amount,
+        ReadOnlySpan<float> coverage,
+        Span<Vector4> workingBuffer)
+        => this.BlendWithCoverage<TPixel>(configuration, destination, background, source, amount, coverage, workingBuffer);
+
+    /// <summary>
+    /// Blends 2 rows together with per-pixel coverage.
+    /// </summary>
+    /// <typeparam name="TPixelSrc">the pixel format of the source span</typeparam>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source span</param>
+    /// <param name="amount">
+    /// A span with values between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    public void BlendWithCoverage<TPixelSrc>(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        ReadOnlySpan<TPixelSrc> source,
+        ReadOnlySpan<float> amount,
+        ReadOnlySpan<float> coverage)
+        where TPixelSrc : unmanaged, IPixel<TPixelSrc>
+    {
+        int maxLength = destination.Length;
+        Guard.MustBeGreaterThanOrEqualTo(background.Length, maxLength, nameof(background.Length));
+        Guard.MustBeGreaterThanOrEqualTo(source.Length, maxLength, nameof(source.Length));
+        Guard.MustBeGreaterThanOrEqualTo(amount.Length, maxLength, nameof(amount.Length));
+        Guard.MustBeGreaterThanOrEqualTo(coverage.Length, maxLength, nameof(coverage.Length));
+
+        using IMemoryOwner<Vector4> buffer = configuration.MemoryAllocator.Allocate<Vector4>(maxLength * 3);
+        this.BlendWithCoverage(
+            configuration,
+            destination,
+            background,
+            source,
+            amount,
+            coverage,
+            buffer.Memory.Span[..(maxLength * 3)]);
+    }
+
+    /// <summary>
+    /// Blends a row against a constant source color with per-pixel coverage.
+    /// </summary>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source color</param>
+    /// <param name="amount">
+    /// A span with values between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    public void BlendWithCoverage(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        TPixel source,
+        ReadOnlySpan<float> amount,
+        ReadOnlySpan<float> coverage)
+    {
+        int maxLength = destination.Length;
+        Guard.MustBeGreaterThanOrEqualTo(background.Length, maxLength, nameof(background.Length));
+        Guard.MustBeGreaterThanOrEqualTo(amount.Length, maxLength, nameof(amount.Length));
+        Guard.MustBeGreaterThanOrEqualTo(coverage.Length, maxLength, nameof(coverage.Length));
+
+        using IMemoryOwner<Vector4> buffer = configuration.MemoryAllocator.Allocate<Vector4>(maxLength * 2);
+        this.BlendWithCoverage(
+            configuration,
+            destination,
+            background,
+            source,
+            amount,
+            coverage,
+            buffer.Memory.Span[..(maxLength * 2)]);
+    }
+
+    /// <summary>
+    /// Blends 2 rows together with per-pixel coverage using caller-provided temporary vector scratch.
+    /// </summary>
+    /// <typeparam name="TPixelSrc">the pixel format of the source span</typeparam>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source span</param>
+    /// <param name="amount">
+    /// A span with values between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    /// <param name="workingBuffer">Reusable temporary vector scratch with capacity for at least 3 rows.</param>
+    public void BlendWithCoverage<TPixelSrc>(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        ReadOnlySpan<TPixelSrc> source,
+        ReadOnlySpan<float> amount,
+        ReadOnlySpan<float> coverage,
+        Span<Vector4> workingBuffer)
+        where TPixelSrc : unmanaged, IPixel<TPixelSrc>
+    {
+        int maxLength = destination.Length;
+        Guard.MustBeGreaterThanOrEqualTo(background.Length, maxLength, nameof(background.Length));
+        Guard.MustBeGreaterThanOrEqualTo(source.Length, maxLength, nameof(source.Length));
+        Guard.MustBeGreaterThanOrEqualTo(amount.Length, maxLength, nameof(amount.Length));
+        Guard.MustBeGreaterThanOrEqualTo(coverage.Length, maxLength, nameof(coverage.Length));
+        Guard.MustBeGreaterThanOrEqualTo(workingBuffer.Length, maxLength * 3, nameof(workingBuffer.Length));
+
+        Span<Vector4> destinationVectors = workingBuffer[..maxLength];
+        Span<Vector4> backgroundVectors = workingBuffer.Slice(maxLength, maxLength);
+        Span<Vector4> sourceVectors = workingBuffer.Slice(maxLength * 2, maxLength);
+
+        PixelOperations<TPixel>.Instance.ToVector4(configuration, background[..maxLength], backgroundVectors, PixelConversionModifiers.Scale);
+        PixelOperations<TPixelSrc>.Instance.ToVector4(configuration, source[..maxLength], sourceVectors, PixelConversionModifiers.Scale);
+
+        this.BlendWithCoverageFunction(destinationVectors, backgroundVectors, sourceVectors, amount, coverage);
+
+        PixelOperations<TPixel>.Instance.FromVector4Destructive(configuration, destinationVectors, destination, PixelConversionModifiers.Scale);
+    }
+
+    /// <summary>
+    /// Blends a row against a constant source color with per-pixel coverage using caller-provided temporary vector scratch.
+    /// </summary>
+    /// <param name="configuration"><see cref="Configuration"/> to use internally</param>
+    /// <param name="destination">the destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source color</param>
+    /// <param name="amount">
+    /// A span with values between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    /// <param name="workingBuffer">Reusable temporary vector scratch with capacity for at least 2 rows.</param>
+    public void BlendWithCoverage(
+        Configuration configuration,
+        Span<TPixel> destination,
+        ReadOnlySpan<TPixel> background,
+        TPixel source,
+        ReadOnlySpan<float> amount,
+        ReadOnlySpan<float> coverage,
+        Span<Vector4> workingBuffer)
+    {
+        int maxLength = destination.Length;
+        Guard.MustBeGreaterThanOrEqualTo(background.Length, maxLength, nameof(background.Length));
+        Guard.MustBeGreaterThanOrEqualTo(amount.Length, maxLength, nameof(amount.Length));
+        Guard.MustBeGreaterThanOrEqualTo(coverage.Length, maxLength, nameof(coverage.Length));
+        Guard.MustBeGreaterThanOrEqualTo(workingBuffer.Length, maxLength * 2, nameof(workingBuffer.Length));
+
+        Span<Vector4> destinationVectors = workingBuffer[..maxLength];
+        Span<Vector4> backgroundVectors = workingBuffer.Slice(maxLength, maxLength);
+
+        PixelOperations<TPixel>.Instance.ToVector4(configuration, background[..maxLength], backgroundVectors, PixelConversionModifiers.Scale);
+
+        this.BlendWithCoverageFunction(destinationVectors, backgroundVectors, source.ToScaledVector4(), amount, coverage);
+
+        PixelOperations<TPixel>.Instance.FromVector4Destructive(configuration, destinationVectors, destination, PixelConversionModifiers.Scale);
+    }
+
     /// <summary>
     /// Blend 2 rows together.
     /// </summary>
@@ -412,4 +769,108 @@ protected abstract void BlendFunction(
         ReadOnlySpan<Vector4> background,
         Vector4 source,
         ReadOnlySpan<float> amount);
+
+    /// <summary>
+    /// Blend 2 rows together with per-pixel coverage.
+    /// </summary>
+    /// <param name="destination">destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source span</param>
+    /// <param name="amount">
+    /// A value between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    protected virtual void BlendWithCoverageFunction(
+        Span<Vector4> destination,
+        ReadOnlySpan<Vector4> background,
+        ReadOnlySpan<Vector4> source,
+        float amount,
+        ReadOnlySpan<float> coverage)
+    {
+        this.BlendFunction(destination, background, source, amount);
+
+        for (int i = 0; i < destination.Length; i++)
+        {
+            destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], destination[i], Numerics.Clamp(coverage[i], 0, 1F));
+        }
+    }
+
+    /// <summary>
+    /// Blend a row against a constant source color with per-pixel coverage.
+    /// </summary>
+    /// <param name="destination">destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source color vector</param>
+    /// <param name="amount">
+    /// A value between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    protected virtual void BlendWithCoverageFunction(
+        Span<Vector4> destination,
+        ReadOnlySpan<Vector4> background,
+        Vector4 source,
+        float amount,
+        ReadOnlySpan<float> coverage)
+    {
+        this.BlendFunction(destination, background, source, amount);
+
+        for (int i = 0; i < destination.Length; i++)
+        {
+            destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], destination[i], Numerics.Clamp(coverage[i], 0, 1F));
+        }
+    }
+
+    /// <summary>
+    /// Blend 2 rows together with per-pixel coverage.
+    /// </summary>
+    /// <param name="destination">destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source span</param>
+    /// <param name="amount">
+    /// A span with values between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    protected virtual void BlendWithCoverageFunction(
+        Span<Vector4> destination,
+        ReadOnlySpan<Vector4> background,
+        ReadOnlySpan<Vector4> source,
+        ReadOnlySpan<float> amount,
+        ReadOnlySpan<float> coverage)
+    {
+        this.BlendFunction(destination, background, source, amount);
+
+        for (int i = 0; i < destination.Length; i++)
+        {
+            destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], destination[i], Numerics.Clamp(coverage[i], 0, 1F));
+        }
+    }
+
+    /// <summary>
+    /// Blend a row against a constant source color with per-pixel coverage.
+    /// </summary>
+    /// <param name="destination">destination span</param>
+    /// <param name="background">the background span</param>
+    /// <param name="source">the source color vector</param>
+    /// <param name="amount">
+    /// A span with values between 0 and 1 indicating the weight of the second source vector.
+    /// At amount = 0, "background" is returned, at amount = 1, "source" is returned.
+    /// </param>
+    /// <param name="coverage">A span with coverage values between 0 and 1.</param>
+    protected virtual void BlendWithCoverageFunction(
+        Span<Vector4> destination,
+        ReadOnlySpan<Vector4> background,
+        Vector4 source,
+        ReadOnlySpan<float> amount,
+        ReadOnlySpan<float> coverage)
+    {
+        this.BlendFunction(destination, background, source, amount);
+
+        for (int i = 0; i < destination.Length; i++)
+        {
+            destination[i] = PorterDuffFunctions.BlendWithCoverage(background[i], destination[i], Numerics.Clamp(coverage[i], 0, 1F));
+        }
+    }
 }
diff --git a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Abgr32.PixelOperations.Generated.cs b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Abgr32.PixelOperations.Generated.cs
index a5e4e3048b..bcfad0117c 100644
--- a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Abgr32.PixelOperations.Generated.cs
+++ b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Abgr32.PixelOperations.Generated.cs
@@ -38,6 +38,7 @@ public override void ToAbgr32(Configuration configuration, ReadOnlySpan<Abgr32>
             source.CopyTo(destination.Slice(0, source.Length));
         }
 
+
         /// <inheritdoc />
         public override void FromVector4Destructive(
             Configuration configuration,
@@ -45,7 +46,20 @@ public override void FromVector4Destructive(
             Span<Abgr32> destination,
             PixelConversionModifiers modifiers)
         {
-            Vector4Converters.RgbaCompatible.FromVector4(configuration, this, sourceVectors, destination, modifiers.Remove(PixelConversionModifiers.Scale));
+            Guard.DestinationShouldNotBeTooShort(sourceVectors, destination, nameof(destination));
+
+            destination = destination[..sourceVectors.Length];
+            Vector4Converters.ApplyBackwardConversionModifiers(sourceVectors, modifiers.Remove(PixelConversionModifiers.Scale));
+
+            Span<byte> destinationBytes = MemoryMarshal.Cast<Abgr32, byte>(destination);
+
+            // The SIMD saturating conversion produces RGBA byte order. Reusing the destination
+            // buffer and shuffling it in place avoids the row-sized Rgba32 temporary used by
+            // the generic Rgba-compatible path for non-Rgba32 formats.
+            SimdUtils.NormalizedFloatToByteSaturate(
+                MemoryMarshal.Cast<Vector4, float>(sourceVectors),
+                destinationBytes);
+            PixelConverter.FromRgba32.ToAbgr32(destinationBytes, destinationBytes);
         }
 
         /// <inheritdoc />
diff --git a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Argb32.PixelOperations.Generated.cs b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Argb32.PixelOperations.Generated.cs
index 30fed8d1c1..3ef93de9fc 100644
--- a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Argb32.PixelOperations.Generated.cs
+++ b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Argb32.PixelOperations.Generated.cs
@@ -38,6 +38,7 @@ public override void ToArgb32(Configuration configuration, ReadOnlySpan<Argb32>
             source.CopyTo(destination.Slice(0, source.Length));
         }
 
+
         /// <inheritdoc />
         public override void FromVector4Destructive(
             Configuration configuration,
@@ -45,7 +46,20 @@ public override void FromVector4Destructive(
             Span<Argb32> destination,
             PixelConversionModifiers modifiers)
         {
-            Vector4Converters.RgbaCompatible.FromVector4(configuration, this, sourceVectors, destination, modifiers.Remove(PixelConversionModifiers.Scale));
+            Guard.DestinationShouldNotBeTooShort(sourceVectors, destination, nameof(destination));
+
+            destination = destination[..sourceVectors.Length];
+            Vector4Converters.ApplyBackwardConversionModifiers(sourceVectors, modifiers.Remove(PixelConversionModifiers.Scale));
+
+            Span<byte> destinationBytes = MemoryMarshal.Cast<Argb32, byte>(destination);
+
+            // The SIMD saturating conversion produces RGBA byte order. Reusing the destination
+            // buffer and shuffling it in place avoids the row-sized Rgba32 temporary used by
+            // the generic Rgba-compatible path for non-Rgba32 formats.
+            SimdUtils.NormalizedFloatToByteSaturate(
+                MemoryMarshal.Cast<Vector4, float>(sourceVectors),
+                destinationBytes);
+            PixelConverter.FromRgba32.ToArgb32(destinationBytes, destinationBytes);
         }
 
         /// <inheritdoc />
diff --git a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Bgra32.PixelOperations.Generated.cs b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Bgra32.PixelOperations.Generated.cs
index ae6be44012..6afcb64326 100644
--- a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Bgra32.PixelOperations.Generated.cs
+++ b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/Bgra32.PixelOperations.Generated.cs
@@ -38,6 +38,7 @@ public override void ToBgra32(Configuration configuration, ReadOnlySpan<Bgra32>
             source.CopyTo(destination.Slice(0, source.Length));
         }
 
+
         /// <inheritdoc />
         public override void FromVector4Destructive(
             Configuration configuration,
@@ -45,7 +46,20 @@ public override void FromVector4Destructive(
             Span<Bgra32> destination,
             PixelConversionModifiers modifiers)
         {
-            Vector4Converters.RgbaCompatible.FromVector4(configuration, this, sourceVectors, destination, modifiers.Remove(PixelConversionModifiers.Scale));
+            Guard.DestinationShouldNotBeTooShort(sourceVectors, destination, nameof(destination));
+
+            destination = destination[..sourceVectors.Length];
+            Vector4Converters.ApplyBackwardConversionModifiers(sourceVectors, modifiers.Remove(PixelConversionModifiers.Scale));
+
+            Span<byte> destinationBytes = MemoryMarshal.Cast<Bgra32, byte>(destination);
+
+            // The SIMD saturating conversion produces RGBA byte order. Reusing the destination
+            // buffer and shuffling it in place avoids the row-sized Rgba32 temporary used by
+            // the generic Rgba-compatible path for non-Rgba32 formats.
+            SimdUtils.NormalizedFloatToByteSaturate(
+                MemoryMarshal.Cast<Vector4, float>(sourceVectors),
+                destinationBytes);
+            PixelConverter.FromRgba32.ToBgra32(destinationBytes, destinationBytes);
         }
 
         /// <inheritdoc />
diff --git a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/_Common.ttinclude b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/_Common.ttinclude
index ae29223deb..d53ed520b6 100644
--- a/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/_Common.ttinclude
+++ b/src/ImageSharp/PixelFormats/PixelImplementations/PixelOperations/Generated/_Common.ttinclude
@@ -152,6 +152,12 @@ using SixLabors.ImageSharp.PixelFormats.Utils;
            {
                removeTheseModifiers += " | PixelConversionModifiers.Premultiply";
            }
+
+           if (hasAlpha)
+           {
+               GenerateRgba32Compatible32BitVector4ConversionMethods(pixelType, removeTheseModifiers);
+               return;
+           }
 #>
 
         /// <inheritdoc />
@@ -176,6 +182,45 @@ using SixLabors.ImageSharp.PixelFormats.Utils;
 <#+
     }
 
+    void GenerateRgba32Compatible32BitVector4ConversionMethods(string pixelType, string removeTheseModifiers)
+    {
+#>
+
+        /// <inheritdoc />
+        public override void FromVector4Destructive(
+            Configuration configuration,
+            Span<Vector4> sourceVectors,
+            Span<<#=pixelType#>> destination,
+            PixelConversionModifiers modifiers)
+        {
+            Guard.DestinationShouldNotBeTooShort(sourceVectors, destination, nameof(destination));
+
+            destination = destination[..sourceVectors.Length];
+            Vector4Converters.ApplyBackwardConversionModifiers(sourceVectors, modifiers.Remove(<#=removeTheseModifiers#>));
+
+            Span<byte> destinationBytes = MemoryMarshal.Cast<<#=pixelType#>, byte>(destination);
+
+            // The SIMD saturating conversion produces RGBA byte order. Reusing the destination
+            // buffer and shuffling it in place avoids the row-sized Rgba32 temporary used by
+            // the generic Rgba-compatible path for non-Rgba32 formats.
+            SimdUtils.NormalizedFloatToByteSaturate(
+                MemoryMarshal.Cast<Vector4, float>(sourceVectors),
+                destinationBytes);
+            PixelConverter.FromRgba32.To<#=pixelType#>(destinationBytes, destinationBytes);
+        }
+
+        /// <inheritdoc />
+        public override void ToVector4(
+            Configuration configuration,
+            ReadOnlySpan<<#=pixelType#>> source,
+            Span<Vector4> destination,
+            PixelConversionModifiers modifiers)
+        {
+            Vector4Converters.RgbaCompatible.ToVector4(configuration, this, source, destination, modifiers.Remove(<#=removeTheseModifiers#>));
+        }
+<#+
+    }
+
     void GenerateAllDefaultConversionMethods(string pixelType)
     {
         GenerateDefaultSelfConversionMethods(pixelType);
diff --git a/tests/ImageSharp.Tests/PixelFormats/PixelBlenderTests.cs b/tests/ImageSharp.Tests/PixelFormats/PixelBlenderTests.cs
index ddd79bb756..36ddad6c64 100644
--- a/tests/ImageSharp.Tests/PixelFormats/PixelBlenderTests.cs
+++ b/tests/ImageSharp.Tests/PixelFormats/PixelBlenderTests.cs
@@ -328,6 +328,214 @@ public void Blend_WithSourceSpanAmountSpanAndWorkingBuffer()
         Assert.Equal(source[1], destination[1]);
     }
 
+    [Fact]
+    public void BlendWithCoverage_WithConstantSourceAndSingleAmount()
+    {
+        PixelBlender<Rgba32> blender = new DefaultPixelBlenders<Rgba32>.NormalSrc();
+        Rgba32[] destination = new Rgba32[3];
+        Rgba32[] background =
+        [
+            new(255, 0, 0),
+            new(255, 0, 0),
+            new(255, 0, 0)
+        ];
+
+        Rgba32 source = new(0, 0, 255);
+        float[] coverage = [0F, .5F, 1F];
+
+        blender.BlendWithCoverage(Configuration.Default, destination, background, source, 1F, coverage);
+
+        Assert.Equal(background[0], destination[0]);
+        Assert.Equal(new Rgba32(128, 0, 128), destination[1]);
+        Assert.Equal(source, destination[2]);
+    }
+
+    [Fact]
+    public void BlendWithCoverage_WithConstantSourceSingleAmountAndWorkingBuffer()
+    {
+        PixelBlender<Rgba32> blender = new DefaultPixelBlenders<Rgba32>.NormalSrc();
+        Rgba32[] destination = new Rgba32[3];
+        Rgba32[] background =
+        [
+            new(255, 0, 0),
+            new(255, 0, 0),
+            new(255, 0, 0)
+        ];
+
+        Rgba32 source = new(0, 0, 255);
+        float[] coverage = [0F, .5F, 1F];
+        Vector4[] workingBuffer = new Vector4[destination.Length * 2];
+
+        blender.BlendWithCoverage(Configuration.Default, destination, background, source, 1F, coverage, workingBuffer);
+
+        Assert.Equal(background[0], destination[0]);
+        Assert.Equal(new Rgba32(128, 0, 128), destination[1]);
+        Assert.Equal(source, destination[2]);
+    }
+
+    [Fact]
+    public void BlendWithCoverage_WithSourceSpanAndSingleAmount()
+    {
+        PixelBlender<Rgba32> blender = new DefaultPixelBlenders<Rgba32>.NormalSrc();
+        Rgba32[] destination = new Rgba32[3];
+        Rgba32[] background =
+        [
+            new(255, 0, 0),
+            new(0, 255, 0),
+            new(0, 0, 255)
+        ];
+
+        Rgba32[] source =
+        [
+            new(0, 0, 255),
+            new(255, 0, 0),
+            new(0, 255, 0)
+        ];
+
+        float[] coverage = [0F, .5F, 1F];
+
+        blender.BlendWithCoverage<Rgba32>(Configuration.Default, destination, background, source, 1F, coverage);
+
+        Assert.Equal(background[0], destination[0]);
+        Assert.Equal(new Rgba32(128, 128, 0), destination[1]);
+        Assert.Equal(source[2], destination[2]);
+    }
+
+    [Fact]
+    public void BlendWithCoverage_WithSourceSpanSingleAmountAndWorkingBuffer()
+    {
+        PixelBlender<Rgba32> blender = new DefaultPixelBlenders<Rgba32>.NormalSrc();
+        Rgba32[] destination = new Rgba32[3];
+        Rgba32[] background =
+        [
+            new(255, 0, 0),
+            new(0, 255, 0),
+            new(0, 0, 255)
+        ];
+
+        Rgba32[] source =
+        [
+            new(0, 0, 255),
+            new(255, 0, 0),
+            new(0, 255, 0)
+        ];
+
+        float[] coverage = [0F, .5F, 1F];
+        Vector4[] workingBuffer = new Vector4[destination.Length * 3];
+
+        blender.BlendWithCoverage<Rgba32>(Configuration.Default, destination, background, source, 1F, coverage, workingBuffer);
+
+        Assert.Equal(background[0], destination[0]);
+        Assert.Equal(new Rgba32(128, 128, 0), destination[1]);
+        Assert.Equal(source[2], destination[2]);
+    }
+
+    [Fact]
+    public void BlendWithCoverage_WithConstantSourceAndAmountSpan()
+    {
+        PixelBlender<Rgba32> blender = new DefaultPixelBlenders<Rgba32>.NormalSrc();
+        Rgba32[] destination = new Rgba32[3];
+        Rgba32[] background =
+        [
+            new(255, 0, 0),
+            new(255, 0, 0),
+            new(255, 0, 0)
+        ];
+
+        Rgba32 source = new(0, 0, 255);
+        float[] amount = [1F, 1F, 1F];
+        float[] coverage = [0F, .5F, 1F];
+
+        blender.BlendWithCoverage(Configuration.Default, destination, background, source, amount, coverage);
+
+        Assert.Equal(background[0], destination[0]);
+        Assert.Equal(new Rgba32(128, 0, 128), destination[1]);
+        Assert.Equal(source, destination[2]);
+    }
+
+    [Fact]
+    public void BlendWithCoverage_WithConstantSourceAmountSpanAndWorkingBuffer()
+    {
+        PixelBlender<Rgba32> blender = new DefaultPixelBlenders<Rgba32>.NormalSrc();
+        Rgba32[] destination = new Rgba32[3];
+        Rgba32[] background =
+        [
+            new(255, 0, 0),
+            new(255, 0, 0),
+            new(255, 0, 0)
+        ];
+
+        Rgba32 source = new(0, 0, 255);
+        float[] amount = [1F, 1F, 1F];
+        float[] coverage = [0F, .5F, 1F];
+        Vector4[] workingBuffer = new Vector4[destination.Length * 2];
+
+        blender.BlendWithCoverage(Configuration.Default, destination, background, source, amount, coverage, workingBuffer);
+
+        Assert.Equal(background[0], destination[0]);
+        Assert.Equal(new Rgba32(128, 0, 128), destination[1]);
+        Assert.Equal(source, destination[2]);
+    }
+
+    [Fact]
+    public void BlendWithCoverage_WithSourceSpanAndAmountSpan()
+    {
+        PixelBlender<Rgba32> blender = new DefaultPixelBlenders<Rgba32>.NormalSrc();
+        Rgba32[] destination = new Rgba32[3];
+        Rgba32[] background =
+        [
+            new(255, 0, 0),
+            new(0, 255, 0),
+            new(0, 0, 255)
+        ];
+
+        Rgba32[] source =
+        [
+            new(0, 0, 255),
+            new(255, 0, 0),
+            new(0, 255, 0)
+        ];
+
+        float[] amount = [1F, 1F, 1F];
+        float[] coverage = [0F, .5F, 1F];
+
+        blender.BlendWithCoverage<Rgba32>(Configuration.Default, destination, background, source, amount, coverage);
+
+        Assert.Equal(background[0], destination[0]);
+        Assert.Equal(new Rgba32(128, 128, 0), destination[1]);
+        Assert.Equal(source[2], destination[2]);
+    }
+
+    [Fact]
+    public void BlendWithCoverage_WithSourceSpanAmountSpanAndWorkingBuffer()
+    {
+        PixelBlender<Rgba32> blender = new DefaultPixelBlenders<Rgba32>.NormalSrc();
+        Rgba32[] destination = new Rgba32[3];
+        Rgba32[] background =
+        [
+            new(255, 0, 0),
+            new(0, 255, 0),
+            new(0, 0, 255)
+        ];
+
+        Rgba32[] source =
+        [
+            new(0, 0, 255),
+            new(255, 0, 0),
+            new(0, 255, 0)
+        ];
+
+        float[] amount = [1F, 1F, 1F];
+        float[] coverage = [0F, .5F, 1F];
+        Vector4[] workingBuffer = new Vector4[destination.Length * 3];
+
+        blender.BlendWithCoverage<Rgba32>(Configuration.Default, destination, background, source, amount, coverage, workingBuffer);
+
+        Assert.Equal(background[0], destination[0]);
+        Assert.Equal(new Rgba32(128, 128, 0), destination[1]);
+        Assert.Equal(source[2], destination[2]);
+    }
+
     public static TheoryData<Rgba32, Rgba32, float, PixelColorBlendingMode, Rgba32> ColorBlendingExpectedResults = new()
     {
         { Color.MistyRose.ToPixel<Rgba32>(), Color.MidnightBlue.ToPixel<Rgba32>(), 1, PixelColorBlendingMode.Normal, Color.MidnightBlue.ToPixel<Rgba32>() },
@@ -421,6 +629,7 @@ private static void ExerciseBlender(PixelBlender<Rgba32> blender)
         Rgba32 background = Color.MistyRose.ToPixel<Rgba32>();
         Rgba32 source = Color.MidnightBlue.ToPixel<Rgba32>();
         float[] amount = [1F, 1F, 1F, 1F];
+        float[] coverage = [1F, 1F, 1F, 1F];
 
         Rgba32 expected = blender.Blend(background, source, 1F);
 
@@ -441,5 +650,17 @@ private static void ExerciseBlender(PixelBlender<Rgba32> blender)
 
         blender.Blend(Configuration.Default, destination, backgroundSpan, source, amount, constantSourceBuffer);
         Assert.All(destination, x => Assert.Equal(expected, x));
+
+        blender.BlendWithCoverage<Rgba32>(Configuration.Default, destination, backgroundSpan, sourceSpan, 1F, coverage, sourceSpanBuffer);
+        Assert.All(destination, x => Assert.Equal(expected, x));
+
+        blender.BlendWithCoverage(Configuration.Default, destination, backgroundSpan, source, 1F, coverage, constantSourceBuffer);
+        Assert.All(destination, x => Assert.Equal(expected, x));
+
+        blender.BlendWithCoverage(Configuration.Default, destination, backgroundSpan, sourceSpan, amount, coverage, sourceSpanBuffer);
+        Assert.All(destination, x => Assert.Equal(expected, x));
+
+        blender.BlendWithCoverage(Configuration.Default, destination, backgroundSpan, source, amount, coverage, constantSourceBuffer);
+        Assert.All(destination, x => Assert.Equal(expected, x));
     }
 }