mirror of
https://github.com/italicsjenga/slang-shaders.git
synced 2024-11-25 00:51:29 +11:00
21 lines
339 B
C++
21 lines
339 B
C++
const mat3 yiq2rgb_mat = mat3(
|
|
1.0, 0.956, 0.6210,
|
|
1.0, -0.2720, -0.6474,
|
|
1.0, -1.1060, 1.7046);
|
|
|
|
vec3 yiq2rgb(vec3 yiq)
|
|
{
|
|
return yiq * yiq2rgb_mat;
|
|
}
|
|
|
|
const mat3 yiq_mat = mat3(
|
|
0.2989, 0.5870, 0.1140,
|
|
0.5959, -0.2744, -0.3216,
|
|
0.2115, -0.5229, 0.3114
|
|
);
|
|
|
|
vec3 rgb2yiq(vec3 col)
|
|
{
|
|
return col * yiq_mat;
|
|
}
|