Module: Mesa Branch: master Commit: 50433ea526942dbeac75cc415becadea157e5d33 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=50433ea526942dbeac75cc415becadea157e5d33
Author: Marek Olšák <[email protected]> Date: Sat Jan 31 17:15:16 2015 +0100 gallium/util: add u_bit_scan64 Same as u_bit_scan, but for uint64_t. Reviewed-by: Glenn Kennard <[email protected]> Reviewed-by: Brian Paul <[email protected]> --- src/gallium/auxiliary/util/u_math.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index ca6d0f1..8eb840f 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -583,6 +583,13 @@ u_bit_scan(unsigned *mask) return i; } +static INLINE int +u_bit_scan64(uint64_t *mask) +{ + int i = ffsll(*mask) - 1; + *mask &= ~(1llu << i); + return i; +} /** * Return float bits. _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
