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mesa/macros: move ALIGN_NPOT to macros.h

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Aligning with a non-power-of-two number is a general task that can be used in
various places. This commit is required for the next one.

v2: add greater than 0 assertion (Anuj).
    convert the macro to a static inline function.

Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
This commit is contained in:
Nanley Chery 2015-06-02 11:03:22 -07:00
parent 97f4efd573
commit 54d2aa4258
2 changed files with 10 additions and 6 deletions
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6
src/mesa/drivers/dri/i965/intel_upload.c
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@ -44,12 +44,6 @@
#define INTEL_UPLOAD_SIZE (64*1024) #define INTEL_UPLOAD_SIZE (64*1024)
/**
* Like ALIGN(), but works with a non-power-of-two alignment.
*/
#define ALIGN_NPOT(value, alignment) \
(((value) + (alignment) - 1) / (alignment) * (alignment))
void void
intel_upload_finish(struct brw_context *brw) intel_upload_finish(struct brw_context *brw)
{ {

10
src/mesa/main/macros.h
View file

@ -697,6 +697,16 @@ ALIGN(uintptr_t value, int32_t alignment)
return (((value) + (alignment) - 1) & ~((alignment) - 1)); return (((value) + (alignment) - 1) & ~((alignment) - 1));
} }
/**
* Like ALIGN(), but works with a non-power-of-two alignment.
*/
static inline uintptr_t
ALIGN_NPOT(uintptr_t value, int32_t alignment)
{
assert(alignment > 0);
return (value + alignment - 1) / alignment * alignment;
}
/** /**
* Align a value down to an alignment value * Align a value down to an alignment value
* *