mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-09-20 17:31:32 +00:00
31 lines
511 B
HLSL
31 lines
511 B
HLSL
|
Texture2D texTexture;
|
||
|
|
SamplerState texSampler;
|
||
|
|
|
||
|
|
struct VS
|
||
|
|
{
|
||
|
|
float4 pos : SV_Position;
|
||
|
|
float2 tex : TEXCOORD;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct OUT
|
||
|
|
{
|
||
|
|
float4 y: SV_TARGET0;
|
||
|
|
float4 u: SV_TARGET1;
|
||
|
|
float4 v: SV_TARGET2;
|
||
|
|
};
|
||
|
|
|
||
|
|
OUT main(VS input)
|
||
|
|
{
|
||
|
|
OUT o;
|
||
|
|
const float4 rgba = texTexture.Sample(texSampler, input.tex);
|
||
|
|
|
||
|
|
o.y.gba = 0.0f;
|
||
|
|
o.u.gba = 0.0f;
|
||
|
|
o.v.gba = 0.0f;
|
||
|
|
|
||
|
|
o.y.r = rgba.r * 0.2126 + 0.7152 * rgba.g + 0.0722 * rgba.b;
|
||
|
|
o.u.r = (rgba.b - o.y.r) / 1.8556;
|
||
|
|
o.v.r = (rgba.r - o.y.r) / 1.5748;
|
||
|
|
|
||
|
|
return o;
|
||
|
|
}
|