diff options
| -rw-r--r-- | common/scaler.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/common/scaler.cpp b/common/scaler.cpp index fcf88c6b94..1252a61866 100644 --- a/common/scaler.cpp +++ b/common/scaler.cpp @@ -96,17 +96,17 @@ static inline int GetResult(uint32 A, uint32 B, uint32 C, uint32 D) { } static inline uint32 INTERPOLATE(uint32 A, uint32 B) { - if (A != B) { - return (((A & colorMask) + (B & colorMask)) >> 1) + (A & B & lowPixelMask); + if (A != B) { + return (((A & colorMask) >> 1) + ((B & colorMask) >> 1) + (A & B & lowPixelMask)); } else return A; } static inline uint32 Q_INTERPOLATE(uint32 A, uint32 B, uint32 C, uint32 D) { - register uint32 x = ((A & qcolorMask) + (B & qcolorMask) + (C & qcolorMask) + (D & qcolorMask))>>2; - register uint32 y = (A & qlowpixelMask) + (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask); + register uint32 x = ((A & qcolorMask) >> 2) + ((B & qcolorMask) >> 2) + ((C & qcolorMask) >> 2) + ((D & qcolorMask) >> 2); + register uint32 y = ((A & qlowpixelMask) + (B & qlowpixelMask) + (C & qlowpixelMask) + (D & qlowpixelMask)) >> 2; - y = (y >> 2) & qlowpixelMask; + y &= qlowpixelMask; return x + y; } |