Move WGSL sources to Shaders/WgslSource

Author: JimBobSquarePants

src/ImageSharp.Drawing.WebGPU.ShaderGen/WgslSourceGenerator.cs

@@ -17,8 +17,8 @@ namespace SixLabors.ImageSharp.Drawing.WebGPU.ShaderGen;
 /// </summary>
 /// <remarks>
 /// <para>
-/// Root shaders are every <c>.wgsl</c> file directly under the <c>Shaders</c> tree except files
-/// under <c>Shaders/Shared</c>. Shared files are only imported into roots.
+/// Root shaders are every <c>.wgsl</c> file directly under the <c>Shaders/WgslSource</c> tree except files
+/// under <c>Shaders/WgslSource/Shared</c>. Shared files are only imported into roots.
 /// </para>
 /// <para>
 /// The generator intentionally supports a very small preprocessor surface:
@@ -394,10 +394,10 @@ private static string ToPropertyName(string path)
     }
 
     // AdditionalFiles come through as full paths. The generated API is keyed by the relative
-    // path beneath the WebGPU Shaders tree so imports remain stable across machines.
+    // path beneath the raw WGSL source tree so imports remain stable across machines.
     private static string? GetRelativeShaderPath(string path)
     {
-        const string marker = "\\Shaders\\";
+        const string marker = "\\Shaders\\WgslSource\\";
         int index = path.LastIndexOf(marker, StringComparison.OrdinalIgnoreCase);
         if (index < 0)
         {

src/ImageSharp.Drawing.WebGPU/ImageSharp.Drawing.WebGPU.csproj

@@ -82,7 +82,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <AdditionalFiles Include="Shaders\*.wgsl" />
-    <AdditionalFiles Include="Shaders\Shared\*.wgsl" />
+    <AdditionalFiles Include="Shaders\WgslSource\*.wgsl" />
+    <AdditionalFiles Include="Shaders\WgslSource\Shared\*.wgsl" />
   </ItemGroup>
 </Project>

src/ImageSharp.Drawing.WebGPU/Shaders/BackdropComputeShader.cs

@@ -16,8 +16,8 @@ internal static unsafe class BackdropComputeShader
     public static ReadOnlySpan<byte> EntryPoint => "main\0"u8;
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public static uint GetDispatchX(uint heightInTiles)
-        => heightInTiles;
+    public static uint GetDispatchX(uint drawObjectCount)
+        => drawObjectCount;
 
     public static bool TryCreateBindGroupLayout(
         WebGPU api,