Got UAV bindings in fragment shaders to work in what I think is the correct way

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

@@ -177,8 +177,8 @@ namespace ArmASR
             commandBuffer.SetGlobalResource(AsrShaderIDs.SrvInputMotionVectors, dispatchParams.MotionVectors);
             commandBuffer.SetGlobalResource(AsrShaderIDs.SrvInputExposure, dispatchParams.Exposure);
             
-            // TODO UAVs in fragment shaders? That seems like it might be a problem...
-            commandBuffer.SetGlobalTexture(AsrShaderIDs.UavReconstructedPrevNearestDepth, AsrShaderIDs.UavReconstructedPrevNearestDepth);
+            // UAV binding in fragment shader, index needs to match the register binding in HLSL
+            commandBuffer.SetRandomWriteTarget(3, AsrShaderIDs.UavReconstructedPrevNearestDepth);
 
             _mrt[0] = AsrShaderIDs.RtDilatedDepth;                  // fDepth
             _mrt[1] = Resources.DilatedMotionVectors[frameIndex];   // fMotionVector
@@ -186,6 +186,7 @@ namespace ArmASR
             
             FragmentProperties.SetConstantBuffer(AsrShaderIDs.CbFsr2, Constants, 0, Constants.stride);
             BlitFragment(commandBuffer, _mrt);
+            commandBuffer.ClearRandomWriteTargets();
         }
     }
     
@@ -276,8 +277,8 @@ namespace ArmASR
             commandBuffer.SetGlobalTexture(AsrShaderIDs.SrvLumaHistory, Resources.LumaHistory[frameIndex ^ 1]);
             commandBuffer.SetGlobalTexture(AsrShaderIDs.SrvInternalTemporalReactive, Resources.InternalReactive[frameIndex ^ 1]);
             
-            // TODO UAVs in fragment shaders? That seems like it might be a problem...
-            commandBuffer.SetGlobalTexture(AsrShaderIDs.UavNewLocks, AsrShaderIDs.UavNewLocks);
+            // UAV binding in fragment shader, index needs to match the register binding in HLSL
+            commandBuffer.SetRandomWriteTarget(4, AsrShaderIDs.UavNewLocks);
 
             if (ContextDescription.Variant == Asr.Variant.Quality)
             {
@@ -296,6 +297,7 @@ namespace ArmASR
 
             FragmentProperties.SetConstantBuffer(AsrShaderIDs.CbFsr2, Constants, 0, Constants.stride);
             BlitFragment(commandBuffer, _mrt);
+            commandBuffer.ClearRandomWriteTargets();
         }
     }
 

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_accumulate_pass_fs.hlsl

@@ -36,7 +36,7 @@
 #define FSR2_BIND_SRV_LUMA_HISTORY                           10
 #define FSR2_BIND_SRV_TEMPORAL_REACTIVE                      11
 
-#define FSR2_BIND_UAV_NEW_LOCKS                              12
+#define FSR2_BIND_UAV_NEW_LOCKS                              4
 
 #define FSR2_BIND_CB_FSR2                                    0
 

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Effects/Upscaling/ASR/Shaders/shaders/ffxm_fsr2_reconstruct_previous_depth_pass_fs.hlsl

@@ -24,7 +24,7 @@
 #define FSR2_BIND_SRV_INPUT_COLOR                           2
 #define FSR2_BIND_SRV_INPUT_EXPOSURE                        3
 
-#define FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH      4
+#define FSR2_BIND_UAV_RECONSTRUCTED_PREV_NEAREST_DEPTH      3
 
 #define FSR2_BIND_CB_FSR2                                   0