tooll3--t3
wehub-resource-sync
52 行
1.4 KiB
HLSL
52 行
1.4 KiB
HLSL
cbuffer ParamConstants : register(b0)
|
|
{
|
|
float4 Color;
|
|
float SampleRadius;
|
|
float Strength;
|
|
float Contrast;
|
|
float MixOriginal;
|
|
}
|
|
|
|
cbuffer Resolution : register(b1)
|
|
{
|
|
float TargetWidth;
|
|
float TargetHeight;
|
|
}
|
|
|
|
struct vsOutput
|
|
{
|
|
float4 position : SV_POSITION;
|
|
float2 texCoord : TEXCOORD;
|
|
};
|
|
|
|
Texture2D<float4> Image : register(t0);
|
|
sampler texSampler : register(s0);
|
|
|
|
|
|
float4 psMain(vsOutput input) : SV_TARGET
|
|
{
|
|
float2 uv = input.texCoord;
|
|
|
|
float width, height;
|
|
Image.GetDimensions(width, height);
|
|
|
|
float sx = SampleRadius / width;
|
|
float sy = SampleRadius / height;
|
|
|
|
float4 y1= Image.Sample(texSampler, float2(uv.x, uv.y + sy));
|
|
float4 y2= Image.Sample(texSampler, float2(uv.x, uv.y - sy));
|
|
|
|
float4 x1= Image.Sample(texSampler, float2(uv.x + sx, uv.y));
|
|
float4 x2= Image.Sample(texSampler, float2(uv.x - sx, uv.y));
|
|
float4 m = Image.Sample(texSampler, float2(uv.x, uv.y));
|
|
|
|
float average = (
|
|
abs(x1.r-m.r) + abs(x2.r-m.r) + abs(y1.r - m.r) +abs(y2.r - m.r) +
|
|
abs(x1.g-m.g) + abs(x2.g-m.g) + abs(y1.g - m.g) +abs(y2.g - m.g) +
|
|
abs(x1.b-m.b) + abs(x2.b-m.b) + abs(y1.b - m.b) +abs(y2.b - m.b)
|
|
) * Strength + Contrast;
|
|
|
|
|
|
float4 edgeColor = clamp(float4(average,average,average,1),0 , 10000) * Color;
|
|
return lerp(edgeColor, m, MixOriginal);
|
|
} |