// 0-255 -> 16-235=ps_2_0
// Code from MPC-HC

sampler s0 : register(s0);

#define const_1 (16.0/255.0)
#define const_2 (219.0/255.0)

float4 main(float2 tex : TEXCOORD0) : COLOR {
	// original pixel
	float4 c0 = tex2D(s0,tex);

	return (c0 * const_2) + const_1;
}