pkgs/games/deliantra/0001-abs.patch

   1 --- a/utils/cfhq2xa.C
   2 +++ b/utils/cfhq2xa.C
   3 @@ -182,10 +182,10 @@ static inline bool Diff (pixel w1, pixel w2)
   4    pixel YUV1 = RGBAtoYUVA (w1);
   5    pixel YUV2 = RGBAtoYUVA (w2);
   6
   7 -  return ((abs (((YUV1 >> Rshift) & Cmask) - ((YUV2 >> Rshift) & Cmask)) > trY) ||
   8 -          (abs (((YUV1 >> Gshift) & Cmask) - ((YUV2 >> Gshift) & Cmask)) > trU) ||
   9 -          (abs (((YUV1 >> Bshift) & Cmask) - ((YUV2 >> Bshift) & Cmask)) > trV) ||
  10 -          (abs (((YUV1 >> Ashift) & Cmask) - ((YUV2 >> Ashift) & Cmask)) > trA) );
  11 +  return ((abs ((signed int)((YUV1 >> Rshift) & Cmask) - (signed int)((YUV2 >> Rshift) & Cmask)) > trY) ||
  12 +          (abs ((signed int)((YUV1 >> Gshift) & Cmask) - (signed int)((YUV2 >> Gshift) & Cmask)) > trU) ||
  13 +          (abs ((signed int)((YUV1 >> Bshift) & Cmask) - (signed int)((YUV2 >> Bshift) & Cmask)) > trV) ||
  14 +          (abs ((signed int)((YUV1 >> Ashift) & Cmask) - (signed int)((YUV2 >> Ashift) & Cmask)) > trA) );
  15  }
  16
  17  static void