wehub-resource-sync
86 lines
1.8 KiB
HLSL
86 lines
1.8 KiB
HLSL
cbuffer ParamConstants : register(b0)
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{
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float Falloff;
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}
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cbuffer ParamConstants : register(b1)
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{
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int Mode;
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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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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 wrappedSampler : register(s0);
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float4 ApplyBlending(float4 color, float2 uv, int direction)
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{
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float2 offset = direction == 0 ? float2(0.5, 0) : float2(0, 0.5);
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float2 shiftedUV = uv + offset;
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float4 seamSample = Image.Sample(wrappedSampler, shiftedUV);
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float2 edge = abs(1.0 - ((direction == 0 ? uv.x : uv.y) * 2.0));
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float blendFactor = smoothstep(0.0, Falloff, edge);
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return lerp(color, seamSample, blendFactor);
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}
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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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float2 uv = input.texCoord;
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float4 baseColor = Image.Sample(wrappedSampler, uv);
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// 0 - both
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// 1 - horitontal
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// 2 - vertical
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float4 color = 0;
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// Horizontal
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if (Mode != 1)
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{
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color = ApplyBlending(baseColor, uv, 0);
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}
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// Vertical
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// if (Mode != 2)
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{
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color = ApplyBlending(color, uv, 1);
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}
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return color;
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// float direction = uv.x;
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// float2 shiftedUV = float2(uv.x + 0.5, uv.y);
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// float direction = uv.x;
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// float2 shiftedUV = float2(uv.x + 0.5, uv.y);
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// // if (Direction < 0.5)
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// // {
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// // shiftedUV = float2(uv.x, uv.y + 0.5);
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// // direction = uv.y;
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// // }
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// float4 seamSample = Image.Sample(wrappedSampler, shiftedUV);
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// float edge = abs(1.0 - (direction * 2.0));
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// float blendFactor = smoothstep(0.0, Falloff, edge);
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// return float4(blendFactor, 0, 0, 1);
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// return lerp(Base, seamSample, blendFactor);
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} |