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Fix incorrect calculation of local contrast adaption in color edge detection #11

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Fix incorrect calculation of local contrast adaption in color edge detection #11

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4 changes: 2 additions & 2 deletions SMAA.hlsl
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Original file line number Diff line number Diff line change
Expand Up @@ -792,11 +792,11 @@ float2 SMAAColorEdgeDetectionPS(float2 texcoord,

// Calculate left-left and top-top deltas:
float3 Cleftleft = SMAASamplePoint(colorTex, offset[2].xy).rgb;
t = abs(C - Cleftleft);
t = abs(Cleft - Cleftleft);
delta.z = max(max(t.r, t.g), t.b);

float3 Ctoptop = SMAASamplePoint(colorTex, offset[2].zw).rgb;
t = abs(C - Ctoptop);
t = abs(Ctop - Ctoptop);
delta.w = max(max(t.r, t.g), t.b);

// Calculate the final maximum delta:
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