Upgraded to FSR 3.1 Upscaler

- Moved FSR core classes and shaders into their own package
- Added FSR 2.2 implementation side-by-side with FSR 3.1
- Updated BiRP and PPV2 integrations for FSR 3.1
- Added experimental HDRP 17 integration

Assets/FSR3 Upscaler Assets.asset

@@ -0,0 +1,26 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 2dbcc608a4754d049a14a0bcce2eb40b, type: 3}
+  m_Name: FSR3 Upscaler Assets
+  m_EditorClassIdentifier: 
+  shaders:
+    prepareInputsPass: {fileID: 7200000, guid: 4f59e5b9179d74844ae06a30ae1e0629, type: 3}
+    lumaPyramidPass: {fileID: 7200000, guid: d253be05abcdc80428503d3e4cce3a36, type: 3}
+    shadingChangePyramidPass: {fileID: 7200000, guid: 251e663738905fa4d8817001682d802f, type: 3}
+    shadingChangePass: {fileID: 7200000, guid: 9a2bff2f97619ed4989d9b0577ba0641, type: 3}
+    prepareReactivityPass: {fileID: 7200000, guid: 20e44016ed34b0d4b8de499d1b566c69, type: 3}
+    lumaInstabilityPass: {fileID: 7200000, guid: a135306e6d1857e43a86ef20db2a47fe, type: 3}
+    accumulatePass: {fileID: 7200000, guid: c9b45f0ae7673694ba57a4aadfe212e9, type: 3}
+    sharpenPass: {fileID: 7200000, guid: 7aaf5cfff022de2499e9b0412f947f6c, type: 3}
+    autoGenReactivePass: {fileID: 7200000, guid: 5716b91fdaa4e9e439df6b96a796fe6e, type: 3}
+    tcrAutoGenPass: {fileID: 7200000, guid: 75cdc6ef23f08ed498d4da511923fcea, type: 3}
+    debugViewPass: {fileID: 7200000, guid: cb24a71d54164c54eb5e86839acd48c5, type: 3}

Assets/Scenes/SampleScenePPV2.unity

@@ -228,10 +228,8 @@ GameObject:
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   - component: {fileID: 963194227}
   - component: {fileID: 963194226}
-  - component: {fileID: 963194234}
   - component: {fileID: 963194232}
   - component: {fileID: 963194233}
-  - component: {fileID: 963194229}
   m_Layer: 6
   m_Name: Main Camera
   m_TagString: MainCamera
@@ -305,40 +303,6 @@ Transform:
   m_Father: {fileID: 0}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 9.931, y: 109.145, z: 0}
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-  performSharpenPass: 1
-  sharpness: 0.8
-  enableFP16: 0
-  enableAutoExposure: 1
-  preExposure: 1
-  exposure: {fileID: 0}
-  reactiveMask: {fileID: 0}
-  transparencyAndCompositionMask: {fileID: 0}
-  autoGenerateReactiveMask: 1
-  generateReactiveParameters:
-    scale: 0.5
-    cutoffThreshold: 0.2
-    binaryValue: 0.9
-    flags: 13
-  autoGenerateTransparencyAndComposition: 0
-  generateTransparencyAndCompositionParameters:
-    autoTcThreshold: 0.05
-    autoTcScale: 1
-    autoReactiveScale: 5
-    autoReactiveMax: 0.9
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@@ -357,12 +321,35 @@ MonoBehaviour:
     m_Bits: 64
   stopNaNPropagation: 0
   finalBlitToCameraTarget: 0
-  antialiasingMode: 0
+  antialiasingMode: 4
   temporalAntialiasing:
     jitterSpread: 0.75
     sharpness: 0.25
     stationaryBlending: 0.95
     motionBlending: 0.85
+  superResolution:
+    qualityMode: 2
+    performSharpenPass: 1
+    sharpness: 0.8
+    enableFP16: 0
+    exposureSource: 1
+    preExposure: 1
+    exposure: {fileID: 0}
+    enableDebugView: 0
+    reactiveMask: {fileID: 0}
+    transparencyAndCompositionMask: {fileID: 0}
+    autoGenerateReactiveMask: 1
+    generateReactiveParameters:
+      scale: 0.5
+      cutoffThreshold: 0.2
+      binaryValue: 0.9
+      flags: 13
+    autoGenerateTransparencyAndComposition: 0
+    generateTransparencyAndCompositionParameters:
+      autoTcThreshold: 0.05
+      autoTcScale: 1
+      autoReactiveScale: 5
+      autoReactiveMax: 0.9
   subpixelMorphologicalAntialiasing:
     quality: 2
   fastApproximateAntialiasing:
@@ -397,6 +384,7 @@ MonoBehaviour:
   m_ShowCustomSorter: 0
   breakBeforeColorGrading: 0
   m_BeforeTransparentBundles: []
+  m_BeforeUpscalingBundles: []
   m_BeforeStackBundles: []
   m_AfterStackBundles: []
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 PrefabInstance:
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Assets/Scripts/Fsr3UpscalerImageEffect.cs

@@ -1,4 +1,4 @@
-// Copyright (c) 2023 Nico de Poel
+// Copyright (c) 2024 Nico de Poel
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -22,6 +22,7 @@
 using UnityEngine;
 using UnityEngine.Experimental.Rendering;
 using UnityEngine.Rendering;
+using FidelityFX.FSR3;
 
 namespace FidelityFX
 {
@@ -54,6 +55,10 @@ public class Fsr3UpscalerImageEffect : MonoBehaviour
         [Tooltip("Optional 1x1 texture containing the exposure value for the current frame.")]
         public Texture exposure = null;
 
+        [Header("Debug")]
+        [Tooltip("Enable a debug view to analyze the upscaling process.")]
+        public bool enableDebugView = false;
+
         [Header("Reactivity, Transparency & Composition")] 
         [Tooltip("Optional texture to control the influence of the current frame on the reconstructed output. If unset, either an auto-generated or a default cleared reactive mask will be used.")]
         public Texture reactiveMask = null;
@@ -326,12 +331,14 @@ private void SetupDispatchDescription()
             _dispatchDescription.MotionVectorScale.x = -scaledRenderSize.x;
             _dispatchDescription.MotionVectorScale.y = -scaledRenderSize.y;
             _dispatchDescription.RenderSize = scaledRenderSize;
+            _dispatchDescription.UpscaleSize = _displaySize;
             _dispatchDescription.FrameTimeDelta = Time.unscaledDeltaTime;
             _dispatchDescription.CameraNear = _renderCamera.nearClipPlane;
             _dispatchDescription.CameraFar = _renderCamera.farClipPlane;
             _dispatchDescription.CameraFovAngleVertical = _renderCamera.fieldOfView * Mathf.Deg2Rad;
             _dispatchDescription.ViewSpaceToMetersFactor = 1.0f; // 1 unit is 1 meter in Unity
             _dispatchDescription.Reset = _resetHistory;
+            _dispatchDescription.Flags = enableDebugView ? Fsr3Upscaler.DispatchFlags.DrawDebugView : 0;
             _resetHistory = false;
 
             // Set up the parameters for the optional experimental auto-TCR feature
@@ -390,9 +397,6 @@ private void OnRenderImage(RenderTexture src, RenderTexture dest)
             _renderCamera.rect = _originalRect;
             _renderCamera.ResetProjectionMatrix();
 
-            // Update the input resource descriptions
-            _dispatchDescription.InputResourceSize = new Vector2Int(src.width, src.height);
-
             _dispatchCommandBuffer.Clear();
 
             if (autoGenerateReactiveMask)

Assets/Scripts/Fsr3UpscalerImageEffectHelper.cs

@@ -20,6 +20,7 @@
 
 using System.Collections;
 using UnityEngine;
+using FidelityFX.FSR3;
 
 namespace FidelityFX
 {