void main()
{
float4 c0 = Sample();
float red = 0.0;
float green = 0.0;
float blue = 0.0;
if (c0.r < 0.3 || c0.b > 0.5)
blue = c0.r + c0.b;
red = c0.g + c0.b / 2.0;
}
else
red = c0.g + c0.b;
green = c0.r + c0.b;
SetOutput(float4(red, green, blue, 1.0));