diff options
Diffstat (limited to 'libdrm/intel/intel_bufmgr_priv.h')
| -rw-r--r-- | libdrm/intel/intel_bufmgr_priv.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libdrm/intel/intel_bufmgr_priv.h b/libdrm/intel/intel_bufmgr_priv.h index 3b19eca1..475c402f 100644 --- a/libdrm/intel/intel_bufmgr_priv.h +++ b/libdrm/intel/intel_bufmgr_priv.h @@ -61,6 +61,28 @@ struct _drm_intel_bufmgr { unsigned long size, unsigned int alignment); + /** + * Allocate a tiled buffer object. + * + * Alignment for tiled objects is set automatically; the 'flags' + * argument provides a hint about how the object will be used initially. + * + * Valid tiling formats are: + * I915_TILING_NONE + * I915_TILING_X + * I915_TILING_Y + * + * Note the tiling format may be rejected; callers should check the + * 'tiling_mode' field on return, as well as the pitch value, which + * may have been rounded up to accommodate for tiling restrictions. + */ + drm_intel_bo *(*bo_alloc_tiled) (drm_intel_bufmgr *bufmgr, + const char *name, + int x, int y, int cpp, + uint32_t *tiling_mode, + unsigned long *pitch, + unsigned long flags); + /** Takes a reference on a buffer object */ void (*bo_reference) (drm_intel_bo *bo); @@ -225,4 +247,8 @@ struct _drm_intel_bufmgr { int debug; }; +#define ALIGN(value, alignment) ((value + alignment - 1) & ~(alignment - 1)) +#define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y)) +#define ROUND_UP_TO_MB(x) ROUND_UP_TO((x), 1024*1024) + #endif /* INTEL_BUFMGR_PRIV_H */ |