From bd69f65f90ecfa45e43a72504d277cb39f00e1c1 Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Sun, 6 Apr 2014 17:29:48 -0700 Subject: [PATCH] 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 Reviewed-by: Ian Romanick Reviewed-by: Matt Turner --- src/mesa/drivers/dri/i965/brw_context.h | 6 ------ 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 dbe504aab10..487142cd300 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 dafeaa372f1..5228c3a8f28 100644 --- a/src/mesa/main/macros.h +++ b/src/mesa/main/macros.h @@ -684,6 +684,17 @@ minify(unsigned value, unsigned levels) return MAX2(1, value >> 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 * -- 2.30.2