diff options
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/mtypes.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 7068d5aff4d..107371e5299 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -56,6 +56,12 @@ typedef GLuint64 GLbitfield64; /** Set a single bit */ #define BITFIELD64_BIT(b) ((GLbitfield64)1 << (b)) +/** Set all bits up to excluding bit b */ +#define BITFIELD64_MASK(b) \ + ((b) == 64 ? (~(GLbitfield64)0) : BITFIELD64_BIT(b) - 1) +/** Set count bits starting from bit b */ +#define BITFIELD64_RANGE(b, count) \ + (BITFIELD64_MASK((b) + (count)) & ~BITFIELD64_MASK(b)) /** |