mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-10 16:48:21 +00:00
31 lines
527 B
HLSL
31 lines
527 B
HLSL
Texture2D texTexture;
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SamplerState texSampler;
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struct VS
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{
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float4 pos : SV_Position;
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float2 tex : TEXCOORD;
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};
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struct OUT
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{
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float4 y: SV_TARGET0;
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float4 u: SV_TARGET1;
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float4 v: SV_TARGET2;
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};
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OUT main(VS input)
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{
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OUT o;
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const float4 rgba = texTexture.Sample(texSampler, input.tex);
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o.y.gba = 1.0f;
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o.u.gba = 1.0f;
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o.v.gba = 1.0f;
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o.y.r = rgba.r * 0.2126 + 0.7152 * rgba.g + 0.0722 * rgba.b;
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o.u.r = ((rgba.b - o.y.r) / 1.8556) + 0.5;
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o.v.r = ((rgba.r - o.y.r) / 1.5748) + 0.5;
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return o;
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} |