Fixed viewport support on builtin pipelines

Viewports work differently in LWRP and Builtin pipelines, a fix got applied a few month ago to fix it on SRPs but it broke it on Builtin...

Author: Chman

PostProcessing/Runtime/PostProcessLayer.cs

@@ -1150,8 +1150,10 @@ int RenderBuiltins(PostProcessRenderContext context, bool isFinalPass, int relea
             {
                 cmd.BlitFullscreenTriangleToDoubleWide(context.source, context.destination, uberSheet, 0, eye);
             }
+#if LWRP_1_0_0_OR_NEWER
             else if (isFinalPass)
                 cmd.BlitFullscreenTriangle(context.source, context.destination, uberSheet, 0, false, context.camera.pixelRect);
+#endif
             else
                 cmd.BlitFullscreenTriangle(context.source, context.destination, uberSheet, 0);
 

PostProcessing/Runtime/Unity.Postprocessing.Runtime.asmdef

@@ -3,5 +3,12 @@
     "references": [],
     "optionalUnityReferences": [],
     "includePlatforms": [],
-    "excludePlatforms": []
+    "excludePlatforms": [],
+    "versionDefines": [
+        {
+            "name": "com.unity.render-pipelines.lightweight",
+            "expression": "1.0.0",
+            "define": "LWRP_1_0_0_OR_NEWER"
+        }
+    ]
 }