diff options
Diffstat (limited to 'include/core/SkMath.h')
| -rw-r--r-- | include/core/SkMath.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/core/SkMath.h b/include/core/SkMath.h index 0c89065855..9198412634 100644 --- a/include/core/SkMath.h +++ b/include/core/SkMath.h @@ -217,5 +217,12 @@ static inline unsigned SkMul16ShiftRound(unsigned a, unsigned b, int shift) { return (prod + (prod >> shift)) >> shift; } +/** Just the rounding step in SkDiv255Round: round(value / 255) + */ +static inline unsigned SkDiv255Round(unsigned prod) { + prod += 128; + return (prod + (prod >> 8)) >> 8; +} + #endif |