sampler s0 : register(s0);
float4 p1 :  register(c1);
#define px (p1[0])
#define py (p1[1])

static int wcount = 31;
static float weights[] = {
	0.01616028, 0.01838334, 0.02072716, 0.02316300, 0.02565602,
	0.02816589, 0.03064766, 0.03305298, 0.03533162, 0.03743313,
	0.03930867, 0.04091289, 0.04220574, 0.04315414, 0.04373338,
	0.04392819, 0.04373338, 0.04315414, 0.04220574, 0.04091289,
	0.03930867, 0.03743313, 0.03533162, 0.03305298, 0.03064766,
	0.02816589, 0.02565602, 0.02316300, 0.02072716, 0.01838334,
	0.01616028
};

float4 main(float2 tex : TEXCOORD0) : COLOR
{
	float3 c0 = float3(0.0, 0.0, 0.0);
	for (int i = 0; i < wcount; i++)
		c0 += tex2D(s0, tex - float2((i - wcount/2) * 2.0 * px, 0.0)).rgb * weights[i];

	return float4(c0, 0.0);
}