Added optional CAS sharpening step with halved sharpness range. Fixed the CAS shader to keep the output in HDR.

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

@@ -165,8 +165,16 @@ namespace UnityEngine.Rendering.PostProcessing
 			// Convert the native texture into Unity-land using a blind texture data copy
 			cmd.CopyTexture(_outputIntermediate, _outputColor);
 			
-			// TODO: optional sharpening
-			cmd.BlitFullscreenTriangle(_outputColor, context.destination);
+			if (config.performSharpenPass)
+			{
+				// PSSR output is already pretty sharp and we don't want to over-sharpen the image, so cut the sharpness range by half
+				ApplySharpening(cmd, context, config.UpscaleSize, config.sharpness * 0.5f, _outputColor, context.destination);
+			}
+			else
+			{
+				// Convert the PSSR output from R11G11B10 to the expected destination format
+				cmd.BlitFullscreenTriangle(_outputColor, context.destination);
+			}
 			
 			cmd.EndSample("PSSR");
 		}

Packages/fidelityfx.fsr

@@ -1 +1 @@
-Subproject commit d65cc3a35de270a1011c8158810e3d56c579953f
+Subproject commit 30235b37a5a4a437e0f5e64ee4a0024cf03814b9