Cleaned up the dynamic resolution feature by allowing dynamic scale to be disabled on screen-space RTs and globally disabling dynamic res only once, after upscaling.

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/PostProcessLayer.cs

@@ -293,7 +293,7 @@ namespace UnityEngine.Rendering.PostProcessing
 
             if (m_CurrentContext.IsSuperResolutionActive())
             {
-                RuntimeUtilities.EnableDynamicResolution = true;
+                RuntimeUtilities.AllowDynamicResolution = true;
             }
             
             if (!finalBlitToCameraTarget && m_CurrentContext.IsSuperResolutionActive())
@@ -1191,16 +1191,15 @@ namespace UnityEngine.Rendering.PostProcessing
 
                     var fsrTarget = m_TargetPool.Get();
                     var finalDestination = context.destination;
-                    RuntimeUtilities.EnableDynamicResolution = false;
-                    context.GetScreenSpaceTemporaryRT(cmd, fsrTarget, 0, context.sourceFormat, enableRandomWrite: true);
+                    context.GetScreenSpaceTemporaryRT(cmd, fsrTarget, 0, context.sourceFormat, isUpscaleOutput: true);
                     context.destination = fsrTarget;
                     superResolution.colorOpaqueOnly = m_opaqueOnly;
-                    RuntimeUtilities.EnableDynamicResolution = true;
                     superResolution.Render(context);
                     context.source = fsrTarget;
                     context.destination = finalDestination;
                     
-                    RuntimeUtilities.EnableDynamicResolution = false;
+                    // Disable dynamic scaling on render targets, so all subsequent effects will be applied on the full resolution upscaled image 
+                    RuntimeUtilities.AllowDynamicResolution = false;
                     
                     if (lastTarget > -1)
                         cmd.ReleaseTemporaryRT(lastTarget);

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/PostProcessRenderContext.cs

@@ -372,10 +372,10 @@ namespace UnityEngine.Rendering.PostProcessing
         /// <param name="filter">The texture filtering mode</param>
         /// <param name="widthOverride">Override the display width; use <c>0</c> to disable the override</param>
         /// <param name="heightOverride">Override the display height; use <c>0</c> to disable the override</param>
-        /// <param name="enableRandomWrite">Enable random access write into this render texture</param>
+        /// <param name="isUpscaleOutput">Enable random access write into this render texture and disable dynamic scaling</param>
         public void GetScreenSpaceTemporaryRT(CommandBuffer cmd, int nameID,
             int depthBufferBits = 0, RenderTextureFormat colorFormat = RenderTextureFormat.Default, RenderTextureReadWrite readWrite = RenderTextureReadWrite.Default,
-            FilterMode filter = FilterMode.Bilinear, int widthOverride = 0, int heightOverride = 0, bool enableRandomWrite = false)
+            FilterMode filter = FilterMode.Bilinear, int widthOverride = 0, int heightOverride = 0, bool isUpscaleOutput = false)
         {
             var desc = GetDescriptor(depthBufferBits, colorFormat, readWrite);
             if (widthOverride > 0)
@@ -387,8 +387,11 @@ namespace UnityEngine.Rendering.PostProcessing
             if (stereoActive && desc.dimension == Rendering.TextureDimension.Tex2DArray)
                 desc.dimension = Rendering.TextureDimension.Tex2D;
 
-            if (enableRandomWrite)
+            if (isUpscaleOutput)
+            {
                 desc.enableRandomWrite = true;
+                desc.useDynamicScale = false;
+            }
 
 #if UNITY_2019_1_OR_NEWER
             cmd.GetTemporaryRT(nameID, desc, filter);

Packages/com.unity.postprocessing@3.2.2/PostProcessing/Runtime/Utils/RuntimeUtilities.cs

@@ -1010,7 +1010,7 @@ namespace UnityEngine.Rendering.PostProcessing
                 && layer.temporalAntialiasing.IsSupported();
         }
 #if UNITY_2017_3_OR_NEWER
-        public static bool EnableDynamicResolution = true;
+        public static bool AllowDynamicResolution = true;
         
         /// <summary>
         /// Checks if dynamic resolution is enabled on a given camera.
@@ -1019,7 +1019,7 @@ namespace UnityEngine.Rendering.PostProcessing
         /// <returns><c>true</c> if dynamic resolution is enabled, <c>false</c> otherwise</returns>
         public static bool IsDynamicResolutionEnabled(Camera camera)
         {
-            return EnableDynamicResolution && (camera.allowDynamicResolution || (camera.targetTexture != null && camera.targetTexture.useDynamicScale));
+            return AllowDynamicResolution && (camera.allowDynamicResolution || (camera.targetTexture != null && camera.targetTexture.useDynamicScale));
         }
 #endif
         /// <summary>