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- // unsharp mask=ps_2_0
- // Code from MPC
- // unsharp mask by crantastic
-
- 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)
-
- //Feel free to change the threshold or intensity
- #define threshold .0009
- #define intensity .5
-
- float4 main(float2 tex : TEXCOORD0) : COLOR
- {
- float dx = 4/width;
- float dy = 4/height;
-
- float4 c1 = tex2D(s0, tex + float2(-dx,dy));
- float4 c2 = tex2D(s0, tex + float2(0,dy));
- float4 c3 = tex2D(s0, tex + float2(dx,dy));
- float4 c4 = tex2D(s0, tex + float2(-dx,0));
- float4 c5 = tex2D(s0, tex + float2(0,0));
- float4 c6 = tex2D(s0, tex + float2(dx,0));
- float4 c7 = tex2D(s0, tex + float2(-dx,-dy));
- float4 c8 = tex2D(s0, tex + float2(0,-dy));
- float4 c9 = tex2D(s0, tex + float2(dx,-dy));
-
- float4 c10 = (2*(c2 + c4 + c6 + c8) + (c1 + c3 + c7 + c9)+ 4*c5)/16;;
- float4 c11;
- float4 c0;
-
- c11 =abs(dot(c10-c5,float4(0.299, 0.587, 0.114, 0)));
-
- if( abs(dot(c10-c5, float4(0.299, 0.587, 0.114, 0)))< threshold) c0 =c5;
- else c0 = c5+intensity*(c5-c10);
-
- //these two lines reduce sharpening of the black borders
- if (dot(c1, float4(0.299, 0.587, 0.114, 0)) < .067) if(dot(c2, float4(0.299, 0.587, 0.114, 0)) < .067 ) if(dot(c3, float4(0.299, 0.587, 0.114, 0)> .5005)) c0 = c5;
- if (dot(c7, float4(0.299, 0.587, 0.114, 0)) < .067) if(dot(c8, float4(0.299, 0.587, 0.114, 0)) < .067 ) if(dot(c9, float4(0.299, 0.587, 0.114, 0)> .5005)) c0 = c5;
-
-
- return c0;
- };