diff options
| author | Jakob Bornecrantz <wallbraker@gmail.com> | 2010-06-13 16:07:49 +0200 |
|---|---|---|
| committer | Jakob Bornecrantz <wallbraker@gmail.com> | 2010-06-22 20:04:54 +0200 |
| commit | ed3d17e14c1edbbb114e1490bca5e998cd108e86 (patch) | |
| tree | ac1479cc7541968b16887e52f0bb8f03d0f57310 | |
| parent | 3a3e80ff96b1d564cc128f2fff8d0da11ae0ba84 (diff) | |
u_math: Add align function npot alignments
| -rw-r--r-- | src/gallium/auxiliary/util/u_math.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index 6370e779865..fe19466436a 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -567,12 +567,26 @@ util_bswap16(uint16_t n) #define MAX3( A, B, C ) MAX2( MAX2( A, B ), C ) +/** + * Align a value, only works pot alignemnts. + */ static INLINE int align(int value, int alignment) { return (value + alignment - 1) & ~(alignment - 1); } +/** + * Works like align but on npot alignments. + */ +static INLINE size_t +util_align_npot(size_t value, size_t alignment) +{ + if (value % alignment) + return value + (alignment - (value % alignment)); + return value; +} + static INLINE unsigned u_minify(unsigned value, unsigned levels) { |