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

34 lines
702 B
GLSL
Executable File

void main()
{
float4 c0 = Sample();
float4 c1 = SampleOffset(int2(-1, 0));
float4 c2 = SampleOffset(int2( 0, -1));
float4 c3 = SampleOffset(int2( 1, 0));
float4 c4 = SampleOffset(int2( 0, 1));
float red = c0.r;
float blue = c0.b;
float green = c0.g;
float red2 = (c1.r + c2.r + c3.r + c4.r) / 4.0;
float blue2 = (c1.b + c2.b + c3.b + c4.b) / 4.0;
float green2 = (c1.g + c2.g + c3.g + c4.g) / 4.0;
if (red2 > 0.3)
red = c0.r + c0.r / 2.0;
else
red = c0.r - c0.r / 2.0;
if (green2 > 0.3)
green = c0.g+ c0.g / 2.0;
else
green = c0.g - c0.g / 2.0;
if (blue2 > 0.3)
blue = c0.b+ c0.b / 2.0;
else
blue = c0.b - c0.b / 2.0;
SetOutput(float4(red, green, blue, c0.a));
}