dolphin/Data/User/Shaders/posterize2.txt

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uniform sampler2D samp9;
out vec4 ocol0;
in vec2 uv0;
float bound(float color)
{
if (color < 0.35)
{
if (color < 0.25)
{
return color;
}
return 0.5;
}
return 1.0;
}
void main()
{
float4 c0 = texture(samp9, uv0);
ocol0 = float4(bound(c0.r), bound(c0.g), bound(c0.b), c0.a);
}