Fixed LUT data by using R32_SFloat format instead. Increases VRAM usage a bit but for these small LUTs that's okay.

Changed filter mode for temp RTs to just default, to make it more clear we're not specifically choosing any filter mode; how these RTs are sampled is determined by the shaders.

Assets/Scripts/Fsr2Pipeline.cs

@@ -85,25 +85,25 @@ namespace FidelityFX
             // TODO: we could potentially gather *all* resource binding here, by using CommandBuffer.SetGlobalTexture for everything
 
             // Resource FSR2_SpdAtomicCounter: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32_UINT, FFX_RESOURCE_FLAGS_ALIASABLE
-            commandBuffer.GetTemporaryRT(UavSpdAtomicCount, 1, 1, 0, FilterMode.Point, GraphicsFormat.R32_UInt, 1, true);
+            commandBuffer.GetTemporaryRT(UavSpdAtomicCount, 1, 1, 0, default(FilterMode), GraphicsFormat.R32_UInt, 1, true);
             
             // FSR2_ReconstructedPrevNearestDepth: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32_UINT, FFX_RESOURCE_FLAGS_ALIASABLE
-            commandBuffer.GetTemporaryRT(UavReconstructedPrevNearestDepth, maxRenderSize.x, maxRenderSize.y, 0, FilterMode.Point, GraphicsFormat.R32_UInt, 1, true);
+            commandBuffer.GetTemporaryRT(UavReconstructedPrevNearestDepth, maxRenderSize.x, maxRenderSize.y, 0, default(FilterMode), GraphicsFormat.R32_UInt, 1, true);
 
             // FSR2_DilatedDepth: FFX_RESOURCE_USAGE_RENDERTARGET | FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R32_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
-            commandBuffer.GetTemporaryRT(UavDilatedDepth, maxRenderSize.x, maxRenderSize.y, 0, FilterMode.Point, GraphicsFormat.R32_SFloat, 1, true);
+            commandBuffer.GetTemporaryRT(UavDilatedDepth, maxRenderSize.x, maxRenderSize.y, 0, default(FilterMode), GraphicsFormat.R32_SFloat, 1, true);
 
             // FSR2_LockInputLuma: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
-            commandBuffer.GetTemporaryRT(UavLockInputLuma, maxRenderSize.x, maxRenderSize.y, 0, FilterMode.Point, GraphicsFormat.R16_SFloat, 1, true);
+            commandBuffer.GetTemporaryRT(UavLockInputLuma, maxRenderSize.x, maxRenderSize.y, 0, default(FilterMode), GraphicsFormat.R16_SFloat, 1, true);
             
             // FSR2_DilatedReactiveMasks: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8G8_UNORM, FFX_RESOURCE_FLAGS_ALIASABLE
-            commandBuffer.GetTemporaryRT(UavDilatedReactiveMasks, maxRenderSize.x, maxRenderSize.y, 0, FilterMode.Point, GraphicsFormat.R8G8_UNorm, 1, true);
+            commandBuffer.GetTemporaryRT(UavDilatedReactiveMasks, maxRenderSize.x, maxRenderSize.y, 0, default(FilterMode), GraphicsFormat.R8G8_UNorm, 1, true);
             
             // FSR2_PreparedInputColor: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R16G16B16A16_FLOAT, FFX_RESOURCE_FLAGS_ALIASABLE
-            commandBuffer.GetTemporaryRT(UavPreparedInputColor, maxRenderSize.x, maxRenderSize.y, 0, FilterMode.Point, GraphicsFormat.R16G16B16A16_SFloat, 1, true);
+            commandBuffer.GetTemporaryRT(UavPreparedInputColor, maxRenderSize.x, maxRenderSize.y, 0, default(FilterMode), GraphicsFormat.R16G16B16A16_SFloat, 1, true);
             
             // FSR2_NewLocks: FFX_RESOURCE_USAGE_UAV, FFX_SURFACE_FORMAT_R8_UNORM, FFX_RESOURCE_FLAGS_ALIASABLE
-            commandBuffer.GetTemporaryRT(UavNewLocks, displaySize.x, displaySize.y, 0, FilterMode.Point, GraphicsFormat.R8_UNorm, 1, true);
+            commandBuffer.GetTemporaryRT(UavNewLocks, displaySize.x, displaySize.y, 0, default(FilterMode), GraphicsFormat.R8_UNorm, 1, true);
         }
 
         public static void UnregisterResources(CommandBuffer commandBuffer)

Assets/Scripts/Fsr2Resources.cs

@@ -36,13 +36,13 @@ namespace FidelityFX
             }
 
             // Resource FSR2_LanczosLutData: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R16_SNORM, FFX_RESOURCE_FLAGS_NONE
-            // R16_SNorm textures are not supported by Unity on most platforms, strangely enough. So instead we use R16_SFloat and upload pre-normalized float data.
-            LanczosLut = new Texture2D(lanczos2LutWidth, 1, GraphicsFormat.R16_SFloat, TextureCreationFlags.None) { name = "FSR2_LanczosLutData" };
+            // R16_SNorm textures are not supported by Unity on most platforms, strangely enough. So instead we use R32_SFloat and upload pre-normalized float data.
+            LanczosLut = new Texture2D(lanczos2LutWidth, 1, GraphicsFormat.R32_SFloat, TextureCreationFlags.None) { name = "FSR2_LanczosLutData" };
             LanczosLut.SetPixelData(lanczos2Weights, 0);
             LanczosLut.Apply();
             
             // Resource FSR2_MaximumUpsampleBias: FFX_RESOURCE_USAGE_READ_ONLY, FFX_SURFACE_FORMAT_R16_SNORM, FFX_RESOURCE_FLAGS_NONE
-            MaximumBiasLut = new Texture2D(MaximumBiasTextureWidth, MaximumBiasTextureHeight, GraphicsFormat.R16_SFloat, TextureCreationFlags.None) { name = "FSR2_MaximumUpsampleBias" };
+            MaximumBiasLut = new Texture2D(MaximumBiasTextureWidth, MaximumBiasTextureHeight, GraphicsFormat.R32_SFloat, TextureCreationFlags.None) { name = "FSR2_MaximumUpsampleBias" };
             MaximumBiasLut.SetPixelData(maximumBias, 0);
             MaximumBiasLut.Apply();