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- sampler s0 : register(s0);
- float4 p0 : register(c0);
- float4 p1 : register(c1);
-
- #define width (p0[0])
- #define height (p0[1])
- #define counter (p0[2])
- #define clock (p0[3])
- #define one_over_width (p1[0])
- #define one_over_height (p1[1])
-
- #define PI acos(-1)
-
- float4 main(float2 tex : TEXCOORD0) : COLOR
- {
- float dx = 1/width;
- float dy = 1/height;
-
- float4 c1 = tex2D(s0, tex + float2(-dx,-dy));
- float4 c2 = tex2D(s0, tex + float2(0,-dy));
- float4 c4 = tex2D(s0, tex + float2(-dx,0));
- float4 c6 = tex2D(s0, tex + float2(dx,0));
- float4 c8 = tex2D(s0, tex + float2(0,dy));
- float4 c9 = tex2D(s0, tex + float2(dx,dy));
-
- float4 c0 = (-c1-c2-c4+c6+c8+c9);
- c0 = (c0.r+c0.g+c0.b)/3 + 0.5;
-
- return c0;
- }
-