FidelityFX FSR v2.1.1

GPUOpen-Effects · Sep 15, 2022 · f8b3d1b · f8b3d1b
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diff --git a/changelog.md b/changelog.md
@@ -1,9 +1,13 @@
 
+2022-09-13 | FidelityFX Super Resolution 2.1.1
+-------
+- Fix issue with reprojection data on a reset.
+
 2022-09-06 | FidelityFX Super Resolution 2.1
 -------
 - Reactivity mask now uses full range of value in the mask (0.0 - 1.0).
 - Reactivity and Composition and Transparency mask dialation is now based on input colors to avoid expanding reactiveness into non-relevant upscaled areas.
-- Disocclusion logic improved in order to detect disocclusions in areas with very small depth deparation.
+- Disocclusion logic improved in order to detect disocclusions in areas with very small depth separation.
 - RCAS Pass forced to fp32 mode to reduce chance of issues seen with HDR input values.
 - Fix for display-resolution motion vectors interpretation.
 - FP16/FP32 computation review, readjusting balance of fp16/fp32 for maximum quality.

diff --git a/release_notes.txt b/release_notes.txt
@@ -1,4 +1,4 @@
-FidelityFX Super Resolution 2.1
+FidelityFX Super Resolution 2.1.1
 =================================
 
 Features
@@ -20,6 +20,7 @@ Changes
 - Various documentation edits for spelling.
 - Clarified the frame delta time input value within the readme documentation.
 - Fixed issue with bad memset within the shader blob selection logic.
+- Fix issue with reprojection data on a reset.
 
 Limitations
 -----------

diff --git a/src/ffx-fsr2-api/ffx_fsr2.h b/src/ffx-fsr2-api/ffx_fsr2.h
@@ -40,7 +40,7 @@
 /// FidelityFX Super Resolution 2 patch version.
 ///
 /// @ingroup FSR2
-#define FFX_FSR2_VERSION_PATCH      (0)
+#define FFX_FSR2_VERSION_PATCH      (1)
 
 /// The size of the context specified in 32bit values.
 ///

diff --git a/src/ffx-fsr2-api/shaders/ffx_fsr2_accumulate.h b/src/ffx-fsr2-api/shaders/ffx_fsr2_accumulate.h
@@ -182,6 +182,7 @@ void Accumulate(FfxInt32x2 iPxHrPos)
     const FfxFloat32x2 fDilatedReactiveMasks = SampleDilatedReactiveMasks(fLrUvJittered);
     const FfxFloat32 fReactiveMax = fDilatedReactiveMasks.x;
     const FfxFloat32 fAccumulationMask = fDilatedReactiveMasks.y;
+    const FfxBoolean bIsResetFrame = (0 == FrameIndex());
 
     FfxFloat32x4 fHistoryColorAndWeight = FfxFloat32x4(0, 0, 0, 0);
     FfxFloat32x3 fLockStatus;
@@ -191,7 +192,7 @@ void Accumulate(FfxInt32x2 iPxHrPos)
     FfxFloat32x2 fReprojectedHrUv = FfxFloat32x2(0, 0);
     ComputeReprojectedUVs(iPxHrPos, fMotionVector, fReprojectedHrUv, bIsExistingSample);
 
-    if (bIsExistingSample) {
+    if (bIsExistingSample && !bIsResetFrame) {
         ReprojectHistoryColor(iPxHrPos, fReprojectedHrUv, fHistoryColorAndWeight);
         ReprojectHistoryLockStatus(iPxHrPos, fReprojectedHrUv, fLockStatus);
     }