Use fwidth instead

papadanku · Nov 20, 2023 · 00d5da0 · 00d5da0
1 parent c71947c
commit 00d5da0
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Showing 5 changed files with 8 additions and 8 deletions.
diff --git a/shaders/cBlockMatching.fx b/shaders/cBlockMatching.fx
@@ -92,7 +92,7 @@ namespace cBlockMatching
 
     float4 PS_Display(VS2PS_Quad Input) : SV_TARGET0
     {
-        float2 InvTexSize = float2(ddx(Input.Tex0.x), ddy(Input.Tex0.y));
+        float2 InvTexSize = fwidth(Input.Tex0);
 
         float2 Vectors = tex2Dlod(SampleOFlowTex, float4(Input.Tex0.xy, 0.0, _MipBias)).xy;
         Vectors = DecodeVectors(Vectors, InvTexSize);

diff --git a/shaders/cOpticalFlow.fx b/shaders/cOpticalFlow.fx
@@ -102,7 +102,7 @@ namespace cOpticalFlow
 
     float4 PS_Display(VS2PS_Quad Input) : SV_TARGET0
     {
-        float2 InvTexSize = float2(ddx(Input.Tex0.x), ddy(Input.Tex0.y));
+        float2 InvTexSize = fwidth(Input.Tex0);
 
         float2 Vectors = tex2Dlod(SampleTempTex2b, float4(Input.Tex0.xy, 0.0, _MipBias)).xy;
         Vectors = DecodeVectors(Vectors, InvTexSize);

diff --git a/shaders/kDatamosh.fx b/shaders/kDatamosh.fx
@@ -194,7 +194,7 @@ namespace kDatamosh
 
     float2 GetMVBlocks(float2 MV, float2 Tex, out float3 Random)
     {
-        float2 TexSize = float2(ddx(Tex.x), ddy(Tex.y));
+        float2 TexSize = fwidth(Tex);
         float2 Time = float2(_Time, 0.0);
 
         // Random numbers
@@ -251,7 +251,7 @@ namespace kDatamosh
 
     float4 PS_Datamosh(VS2PS_Quad Input) : SV_TARGET0
     {
-        float2 TexSize = float2(ddx(Input.Tex0.x), ddy(Input.Tex0.y));
+        float2 TexSize = fwidth(Input.Tex0);
         const float2 DisplacementTexel = BUFFER_SIZE_0;
         const float Quality = 1.0 - _Entropy;
         float3 Random = 0.0;

diff --git a/shaders/shared/cImageProcessing.fxh b/shaders/shared/cImageProcessing.fxh
@@ -38,7 +38,7 @@
         const float4 VShift = float4(0.0, -1.0, 0.0, 1.0);
 
         float4 OutputColor = 0.0;
-        float4 PSize = float2(ddx(Input.Tex0.x), ddy(Input.Tex0.y)).xyxy;
+        float4 PSize = fwidth(Input.Tex0).xyxy;
 
         const float Offsets[KernelSize] =
         {
@@ -93,7 +93,7 @@
     float4 Filter3x3(sampler2D SampleSource, float2 Tex, bool DownSample)
     {
         const float3 Weights = float3(1.0, 2.0, 4.0) / 16.0;
-        float2 PixelSize = float2(ddx(Tex.x), ddy(Tex.y));
+        float2 PixelSize = fwidth(Tex);
         PixelSize = (DownSample) ? PixelSize * 0.5 : PixelSize;
 
         float4 STex[3] =

diff --git a/shaders/shared/cVideoProcessing.fxh b/shaders/shared/cVideoProcessing.fxh
@@ -57,7 +57,7 @@
         // Get required data to calculate main texel data
         const float Pi2 = acos(-1.0) * 2.0;
         const float2 ImageSize = tex2Dsize(SampleI0, 0.0);
-        float2 PixelSize = float2(ddx(MainTex.x), ddy(MainTex.y));
+        float2 PixelSize = fwidth(MainTex);
 
         // Calculate main texel data (TexelSize, TexelLOD)
         T.Mask = float4(1.0, 1.0, 0.0, 0.0) * abs(PixelSize.xyyy);
@@ -222,7 +222,7 @@
 
         // Get required data to calculate main texel data
         const float2 ImageSize = tex2Dsize(SampleTemplate, 0.0);
-        float2 PixelSize = float2(ddx(MainTex.x),  ddy(MainTex.y));
+        float2 PixelSize = fwidth(MainTex);
 
         // Calculate main texel data (TexelSize, TexelLOD)
         B.Mask = float4(1.0, 1.0, 0.0, 0.0) * abs(PixelSize.xyyy);