Fixes to jitter which at least produces a stable picture now. Still not actually right, but making progress.

Assets/Scripts/Fsr2Controller.cs

@@ -69,7 +69,6 @@ public class Fsr2Controller : MonoBehaviour
         RenderPipelineManager.endContextRendering += OnEndContextRendering;
 
         // TODO: destroy and recreate context on screen resolution and/or quality mode change
-        // TODO: enable motion vector jitter cancellation or not?
         _context = Fsr2.CreateContext(DisplaySize, RenderSize, Fsr2.InitializationFlags.EnableMotionVectorsJitterCancellation);
 
         // TODO: do we need a depth buffer for the output? We will need depth & motion vectors for subsequent post-FX. How should FSR2 output these?

Assets/Scripts/SubsampleTest.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.IO;
 using FidelityFX;
 using UnityEngine;
 
@@ -84,6 +85,13 @@ public class SubsampleTest : MonoBehaviour
 
     private void Update()
     {
+        if (Input.GetKeyDown(KeyCode.F12))
+        {
+            string path = Path.Combine(Directory.GetCurrentDirectory(), $"screenshot-{DateTime.Now:yyyyMMdd-HHmmss}.png");
+            ScreenCapture.CaptureScreenshot(path);
+            Debug.Log($"Screenshot saved to: {path}");
+        }
+        
         outputCamera.enabled = gameCamera.enabled;
         //outputCamera.CopyFrom(gameCamera);
 
@@ -105,14 +113,14 @@ public class SubsampleTest : MonoBehaviour
             // Unity already does jittering behind the scenes for certain post-effects, so can we perhaps integrate with that? 
             int jitterPhaseCount = Fsr2.GetJitterPhaseCount(gameCamera.targetTexture.width, Screen.width);
             Fsr2.GetJitterOffset(out float jitterX, out float jitterY, Time.frameCount, jitterPhaseCount);
-
-            jitterX = 2.0f * jitterX / gameCamera.targetTexture.width;
+            
+            _fsr2Controller.SetJitterOffset(new Vector2(jitterX, jitterY));
+            
+            jitterX = -2.0f * jitterX / gameCamera.targetTexture.width;
             jitterY = -2.0f * jitterY / gameCamera.targetTexture.height;
 
             var jitterTranslationMatrix = Matrix4x4.Translate(new Vector3(jitterX, jitterY, 0));
             gameCamera.projectionMatrix = jitterTranslationMatrix * gameCamera.nonJitteredProjectionMatrix;
-            
-            _fsr2Controller.SetJitterOffset(new Vector2(jitterX, jitterY));
         }
         else
         {