void main()
{
float4 c0 = Sample();
float red = 0.0;
float blue = 0.0;
if (c0.r > 0.15 && c0.b > 0.15)
blue = 0.5;
red = 0.5;
}
float green = max(c0.r + c0.b, c0.g);
SetOutput(float4(red, green, blue, 1.0));