libretro-dolphin/Data/Sys/Shaders/16bit.glsl
Ryan Houdek 32fe37d834 Change all the post processing shaders to the new system.
Removes the README.txt file in favour of a new wiki page I'm going to generate.
2014-08-13 01:05:15 -05:00

55 lines
943 B
GLSL

void main()
{
//Change this number to increase the pixel size.
float pixelSize = 3.0;
float red = 0.0;
float green = 0.0;
float blue = 0.0;
float2 pos = floor(GetCoordinates() * GetResolution() / pixelSize) * pixelSize * GetInvResolution();
float4 c0 = SampleLocation(pos);
if (c0.r < 0.1)
red = 0.1;
else if (c0.r < 0.20)
red = 0.20;
else if (c0.r < 0.40)
red = 0.40;
else if (c0.r < 0.60)
red = 0.60;
else if (c0.r < 0.80)
red = 0.80;
else
red = 1.0;
if (c0.b < 0.1)
blue = 0.1;
else if (c0.b < 0.20)
blue = 0.20;
else if (c0.b < 0.40)
blue = 0.40;
else if (c0.b < 0.60)
blue = 0.60;
else if (c0.b < 0.80)
blue = 0.80;
else
blue = 1.0;
if (c0.g < 0.1)
green = 0.1;
else if (c0.g < 0.20)
green = 0.20;
else if (c0.g < 0.40)
green = 0.40;
else if (c0.g < 0.60)
green = 0.60;
else if (c0.g < 0.80)
green = 0.80;
else
green = 1.0;
SetOutput(float4(red, green, blue, c0.a));
}