/* --- Settings --- */
#define TopMargin 50
#define BottonMargin 50

sampler s0 : register(s0);
float4 p0 : register(c0);
float4 p1 : register(c1);

#define width (p0[0]) 
#define height (p0[1]) 

float4 main(float2 tex : TEXCOORD0) : COLOR
{
	if (tex.y < TopMargin / height) return float4(0, 0, 0, 0);
	if (tex.y > 1.0 - BottonMargin / height) return float4(0, 0, 0, 0);
	return tex2D(s0, tex);
}