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Text File  |  2012-12-18  |  402 b   |  20 lines
  1. sampler s0 : register(s0);
  2. float4 p0 : register(c0);
  3. float4 p1 : register(c1);
  4.  
  5. #define width (p0[0])
  6. #define height (p0[1])
  7. #define counter (p0[2])
  8. #define clock (p0[3])
  9. #define one_over_width (p1[0])
  10. #define one_over_height (p1[1])
  11.  
  12. #define PI acos(-1)
  13.  
  14. float4 main(float2 tex : TEXCOORD0) : COLOR
  15. {
  16.     float c0 = dot(tex2D(s0, tex), float4(0.299, 0.587, 0.114, 0));
  17.     
  18.     return c0;
  19. }
  20.