Fixed flip bug in SRPs

Author: Chman

PostProcessing/Runtime/PostProcessLayer.cs

@@ -669,13 +669,18 @@ int RenderBuiltins(PostProcessRenderContext context, bool isFinalPass, int relea
             if (!breakBeforeColorGrading)
                 RenderEffect<ColorGrading>(context);
 
+            int pass = 0;
+
             if (isFinalPass)
             {
                 uberSheet.EnableKeyword("FINALPASS");
                 dithering.Render(context);
+
+                if (context.flip && !context.isSceneView)
+                    pass = 1;
             }
 
-            cmd.BlitFullscreenTriangle(context.source, context.destination, uberSheet, 0);
+            cmd.BlitFullscreenTriangle(context.source, context.destination, uberSheet, pass);
 
             context.source = context.destination;
             context.destination = finalDestination;

PostProcessing/Shaders/Builtins/Uber.shader

@@ -234,5 +234,15 @@ Shader "Hidden/PostProcessing/Uber"
 
             ENDHLSL
         }
+
+        Pass
+        {
+            HLSLPROGRAM
+
+                #pragma vertex VertDefaultNoFlip
+                #pragma fragment FragUber
+
+            ENDHLSL
+        }
     }
 }