Batocera.PLUS-bios/dolphin-emu/Sys/Shaders/emboss.glsl
2021-08-22 17:02:14 -03:00

18 lines
423 B
GLSL
Executable File

void main()
{
float4 c0 = Sample();
float4 c1 = SampleOffset(int2(5, 5));
float y = (0.222 * c1.r) + (0.707 * c1.g) + (0.071 * c1.b);
float y2 = ((0.222 * c0.r) + (0.707 * c0.g) + (0.071 * c0.b)) / 3.0;
float red = c0.r;
float green = c0.g;
float blue = c0.b;
float alpha = c0.a;
red = y2 + (1.0 - y);
green = y2 + (1.0 - y);
blue = y2 + (1.0 - y);
SetOutput(float4(red, green, blue, alpha));
}