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minigbm: #define MINIGBM_HAS_GBM_BO_GET_MAP_INFO

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Mark the availability of minigbm's newer gbm_bo_get_map_info() API.

Virglrenderer (and others) can test for its existence at build-time and
conditionally use it.

BUG=b:338254311
TEST=emerge minigbm
TEST=virglrenderer can conditionally build with gbm_bo_get_map_info()

Change-Id: I2685813fa99b73316477bef7edfd96e5dd9699a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/5636516
Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org>
Tested-by: Ryan Neph <ryanneph@google.com>
Reviewed-by: Dawn Han <dawnhan@google.com>
Commit-Queue: Ryan Neph <ryanneph@google.com>
This commit is contained in:
Ryan Neph 2024-06-17 15:07:29 -07:00 • committed by Chromeos LUCI
parent de65652cfb
commit 698c5e9e8d
1 changed files with 12 additions and 0 deletions
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12
gbm.h
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@ -413,6 +413,18 @@ gbm_bo_map(struct gbm_bo *bo,
uint32_t x, uint32_t y, uint32_t width, uint32_t height,
uint32_t flags, uint32_t *stride, void **map_data);
/* Neither gbm_bo_map_cache_mode nor gbm_bo_get_map_info are defined in mesa's gbm.h, or older
* versions of minigbm. For backwards-compatibility, users should first test for availability and
* provide a fallback implementation with:
*
* #if defined(MINIGBM) && defined(MINIGBM_HAS_GBM_BO_GET_MAP_INFO)
* // use gbm_bo_get_map_info()
* #else
* // fallback
* #endif
*/
#define MINIGBM_HAS_GBM_BO_GET_MAP_INFO
/**
* Enum to indicate the cache attributes of CPU mapping returned by
* gbm_bo_map()