wehub-resource-sync
65 lines
1.9 KiB
HLSL
65 lines
1.9 KiB
HLSL
cbuffer ParamConstants : register(b0)
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{
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float4 Color;
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float SampleRadius;
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float Strength;
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float Contrast;
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float MixOriginal;
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float OutputAsTransparent;
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}
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cbuffer Resolution : register(b1)
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{
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float TargetWidth;
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float TargetHeight;
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}
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cbuffer ParamConstants : register(b2)
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{
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int Invert;
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}
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struct vsOutput
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{
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float4 position : SV_POSITION;
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float2 texCoord : TEXCOORD;
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};
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Texture2D<float4> Image : register(t0);
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sampler texSampler : register(s0);
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float4 psMain(vsOutput input) : SV_TARGET
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{
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float width, height;
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Image.GetDimensions(width, height);
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float sx = SampleRadius / width;
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float sy = SampleRadius / height;
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float x = input.texCoord.x;
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float y = input.texCoord.y;
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float4 y1 = Image.Sample(texSampler, float2(input.texCoord.x, input.texCoord.y + sy));
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float4 y2 = Image.Sample(texSampler, float2(input.texCoord.x, input.texCoord.y - sy));
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float4 x1 = Image.Sample(texSampler, float2(input.texCoord.x + sx, input.texCoord.y));
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float4 x2 = Image.Sample(texSampler, float2(input.texCoord.x - sx, input.texCoord.y));
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float4 m = Image.Sample(texSampler, float2(input.texCoord.x, input.texCoord.y));
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// return ((m-y1) + (m-y2) + (m-x1) + (m-x2)) * Strength;
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float average = (abs(x1.r - m.r) + abs(x2.r - m.r) + abs(y1.r - m.r) + abs(y2.r - m.r) +
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abs(x1.g - m.g) + abs(x2.g - m.g) + abs(y1.g - m.g) + abs(y2.g - m.g) +
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abs(x1.b - m.b) + abs(x2.b - m.b) + abs(y1.b - m.b) + abs(y2.b - m.b)) *
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Strength +
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Contrast;
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float4 edgeColor = OutputAsTransparent < 0.5
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? clamp(float4(average, average, average, 1), 0, 10000) * Color
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: float4(Color.rgb, clamp(average, 0, 1));
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float4 color2= lerp(edgeColor, m, MixOriginal);
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return Invert ? float4(1-color2.rgb, color2.a) : color2;
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} |