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| author | Kenneth Graunke <kenneth@whitecape.org> | 2014-04-06 17:29:48 -0700 |
|---|---|---|
| committer | Kenneth Graunke <kenneth@whitecape.org> | 2014-04-08 00:01:51 -0700 |
| commit | bd69f65f90ecfa45e43a72504d277cb39f00e1c1 (patch) | |
| tree | 59461815405bedf50196ba55f0fc4546711d5887 /src | |
| parent | 6bda3a526759f655cad62178b491264584119ae1 (diff) | |
| download | external_mesa3d-bd69f65f90ecfa45e43a72504d277cb39f00e1c1.zip external_mesa3d-bd69f65f90ecfa45e43a72504d277cb39f00e1c1.tar.gz external_mesa3d-bd69f65f90ecfa45e43a72504d277cb39f00e1c1.tar.bz2 | |
mesa: Move is_power_of_two() function from brw_context.h to macros.h.
This makes the function available from core Mesa code, including the
GLSL compiler.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 6 | ||||
| -rw-r--r-- | src/mesa/main/macros.h | 11 |
2 files changed, 11 insertions, 6 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index dbe504a..487142c 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -1430,12 +1430,6 @@ struct brw_context struct intel_screen *intelScreen; }; -static inline bool -is_power_of_two(uint32_t value) -{ - return (value & (value - 1)) == 0; -} - /*====================================================================== * brw_vtbl.c */ diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h index dafeaa3..5228c3a 100644 --- a/src/mesa/main/macros.h +++ b/src/mesa/main/macros.h @@ -685,6 +685,17 @@ minify(unsigned value, unsigned levels) } /** + * Return true if the given value is a power of two. + * + * Note that this considers 0 a power of two. + */ +static inline bool +is_power_of_two(unsigned value) +{ + return (value & (value - 1)) == 0; +} + +/** * Align a value up to an alignment value * * If \c value is not already aligned to the requested alignment value, it |