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iris: Add comments to BO_ALLOC flags

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Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28864>
This commit is contained in:
José Roberto de Souza 2024-04-17 07:01:14 -07:00 • committed by Marge Bot
parent 7a1779edc7
commit a51c64ac5c
1 changed files with 25 additions and 11 deletions
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36
src/gallium/drivers/iris/iris_bufmgr.h
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@ -348,17 +348,31 @@ struct iris_bo {
};
};
#define BO_ALLOC_PLAIN 0
#define BO_ALLOC_ZEROED (1<<0)
#define BO_ALLOC_COHERENT (1<<1)
#define BO_ALLOC_SMEM (1<<2)
#define BO_ALLOC_SCANOUT (1<<3)
#define BO_ALLOC_NO_SUBALLOC (1<<4)
#define BO_ALLOC_LMEM (1<<5)
#define BO_ALLOC_PROTECTED (1<<6)
#define BO_ALLOC_SHARED (1<<7)
#define BO_ALLOC_CAPTURE (1<<8)
#define BO_ALLOC_CPU_VISIBLE (1<<9)
/* No special attributes. */
#define BO_ALLOC_PLAIN 0
/* Content is set to 0, only done in cache and slabs code paths. */
#define BO_ALLOC_ZEROED (1<<0)
/* Allocate a cached and coherent BO, this has a performance cost in
* integrated platforms without LLC.
* Should only be used in BOs that will be written and read from CPU often.
*/
#define BO_ALLOC_COHERENT (1<<1)
/* Place BO only on smem. */
#define BO_ALLOC_SMEM (1<<2)
/* BO can be sent to display. */
#define BO_ALLOC_SCANOUT (1<<3)
/* No sub-allocation(slabs). */
#define BO_ALLOC_NO_SUBALLOC (1<<4)
/* Place BO only on lmem. */
#define BO_ALLOC_LMEM (1<<5)
/* Content is protected, can't be mapped and needs special handling. */
#define BO_ALLOC_PROTECTED (1<<6)
/* BO can be exported to other applications. */
#define BO_ALLOC_SHARED (1<<7)
/* BO will be captured in the KMD error dump. */
#define BO_ALLOC_CAPTURE (1<<8)
/* Can be mapped. */
#define BO_ALLOC_CPU_VISIBLE (1<<9)
/**
* Allocate a buffer object.