Batocera.PLUS-bios/dolphin-emu/Sys/Shaders/sepia.glsl

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2021-08-22 20:02:14 +00:00
void main()
{
float4 c0 = Sample();
// Same coefficients as grayscale2 at this point
float avg = (0.222 * c0.r) + (0.707 * c0.g) + (0.071 * c0.b);
float red=avg;
// Not sure about these coefficients, they just seem to produce the proper yellow
float green=avg*.75;
float blue=avg*.5;
SetOutput(float4(red, green, blue, c0.a));
}