float Language

// 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 + ; 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; };