Ported clearing code for reconstructed depth buffer, which is new in FSR3. This replaces clearing in the Lock pass, allowing the buffer to be reused after upscaling is done.

Assets/Scripts/Core/Fsr2Context.cs

@@ -214,6 +214,11 @@ namespace FidelityFX
                 commandBuffer.ClearRenderTarget(false, true, Color.clear);
             }
             
+            // FSR3: need to clear here since we need the content of this surface for frame interpolation, so clearing in the lock pass is not an option
+            bool depthInverted = (_contextDescription.Flags & Fsr2.InitializationFlags.EnableDepthInverted) == Fsr2.InitializationFlags.EnableDepthInverted;
+            commandBuffer.SetRenderTarget(Fsr2ShaderIDs.UavReconstructedPrevNearestDepth);
+            commandBuffer.ClearRenderTarget(false, true, depthInverted ? Color.clear : Color.white);
+            
             // Auto exposure
             SetupSpdConstants(dispatchParams, out var dispatchThreadGroupCount);