Use PP context source texture for FSR2 input color buffer

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/SuperResolution.cs

@@ -118,8 +118,7 @@ namespace UnityEngine.Rendering.PostProcessing
                 _prevQualityMode = qualityMode;
             }
 
-            // TODO: these input resources should come from context.source
-            cmd.SetGlobalTexture(Fsr2ShaderIDs.SrvInputColor, BuiltinRenderTextureType.CameraTarget, RenderTextureSubElement.Color);
+            cmd.SetGlobalTexture(Fsr2ShaderIDs.SrvInputColor, context.source);
             cmd.SetGlobalTexture(Fsr2ShaderIDs.SrvInputDepth, BuiltinRenderTextureType.CameraTarget, RenderTextureSubElement.Depth);
             cmd.SetGlobalTexture(Fsr2ShaderIDs.SrvInputMotionVectors, BuiltinRenderTextureType.MotionVectors);