Made integration more PPV2-like by using property sheets, material property blocks and the BlitFullScreenTriangle method.

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/SGSR2Upscaler_2PassFS.cs

@@ -6,19 +6,19 @@ namespace UnityEngine.Rendering.PostProcessing
     {
         protected override string VariantName => "SGSR2 2-Pass Fragment";
 
-        private Material _material;
+        private PropertySheet _sheet;
         private readonly RenderTargetIdentifier[] _mrt = new RenderTargetIdentifier[2];
 
         public override void CreateContext(PostProcessRenderContext context, Upscaling config)
         {
             base.CreateContext(context, config);
 
-            _material = new Material(context.resources.shaders.sgsr2Upscaler.twoPassFragment);
+            _sheet = new PropertySheet(new Material(context.resources.shaders.sgsr2Upscaler.twoPassFragment));
         }
 
         public override void DestroyContext()
         {
-            RuntimeUtilities.Destroy(_material);
+            _sheet.Release();
             
             base.DestroyContext();
         }
@@ -27,19 +27,16 @@ namespace UnityEngine.Rendering.PostProcessing
         {
             uint frameIndex = _frameCount % 2;
 
-            // TODO: try using a PropertySheet here again, now that PPV2 is functional 
             cmd.SetGlobalTexture("InputColor", context.source);
-            cmd.SetGlobalTexture("MotionDepthClipAlphaBuffer", _motionDepthClipAlpha);
-            cmd.SetGlobalTexture("PrevOutput", _upscaleHistory[frameIndex ^ 1]);
-            cmd.SetGlobalConstantBuffer(_paramsBuffer, "cbSGSR2", 0, Marshal.SizeOf<SGSR2.Params>());
+            _sheet.properties.SetTexture("MotionDepthClipAlphaBuffer", _motionDepthClipAlpha);
+            _sheet.properties.SetTexture("PrevOutput", _upscaleHistory[frameIndex ^ 1]);
+            _sheet.properties.SetConstantBuffer("cbSGSR2", _paramsBuffer, 0, Marshal.SizeOf<SGSR2.Params>());
             
-            cmd.SetRenderTarget(_motionDepthClipAlpha, context.source);
-            cmd.DrawMesh(RuntimeUtilities.fullscreenTriangle, Matrix4x4.identity, _material, 0, 0);
+            cmd.BlitFullscreenTriangle(BuiltinRenderTextureType.None, _motionDepthClipAlpha, _sheet, 0);
 
             _mrt[0] = context.destination;
             _mrt[1] = _upscaleHistory[frameIndex];
-            cmd.SetRenderTarget(_mrt, context.destination);
-            cmd.DrawMesh(RuntimeUtilities.fullscreenTriangle, Matrix4x4.identity, _material, 0, 1);
+            cmd.BlitFullscreenTriangle(BuiltinRenderTextureType.None, _mrt, BuiltinRenderTextureType.None, _sheet, 1);
         }
     }
 }