diff options
Diffstat (limited to 'shared-core/drm.h')
| -rw-r--r-- | shared-core/drm.h | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/shared-core/drm.h b/shared-core/drm.h index f900dd51..d992621b 100644 --- a/shared-core/drm.h +++ b/shared-core/drm.h @@ -679,25 +679,45 @@ typedef struct drm_ttm_arg { }drm_ttm_arg_t; +/* Buffer permissions, referring to how the GPU uses the buffers. + these translate to fence types used for the buffers. + Typically a texture buffer is read, A destination buffer is write and + a command (batch-) buffer is exe. Can be or-ed together. */ + #define DRM_BO_FLAG_READ 0x00000001 #define DRM_BO_FLAG_WRITE 0x00000002 #define DRM_BO_FLAG_EXE 0x00000004 -#define DRM_BO_FLAG_NO_MOVE 0x00000008 + +/* Pinned buffer. */ #define DRM_BO_FLAG_NO_EVICT 0x00000010 +/* Always keep a system memory shadow to a vram buffer */ #define DRM_BO_FLAG_SHADOW_VRAM 0x00000020 +/* When mapped for reading, make sure the buffer is cached even + if it means moving the buffer to system memory */ #define DRM_BO_FLAG_READ_CACHED 0x00000040 +/* The buffer is currently cached */ #define DRM_BO_FLAG_CACHED 0x00000080 +/* The buffer is shareable with other processes */ #define DRM_BO_FLAG_SHAREABLE 0x00000100 +/* When there is a choice between VRAM and TT, prefer VRAM. + The default behaviour is to prefer TT. */ +#define DRM_BO_FLAG_PREFER_VRAM 0x00000200 +/* Bind this buffer cached if the hardware supports it. */ +#define DRM_BO_FLAG_BIND_CACHED 0x00000400 +/* Translation table aperture */ #define DRM_BO_FLAG_MEM_TT 0x01000000 +/* On-card VRAM */ #define DRM_BO_FLAG_MEM_VRAM 0x02000000 +/* System memory */ #define DRM_BO_FLAG_MEM_LOCAL 0x04000000 -#define DRM_BO_MASK_MEM 0xFFFFFFFF +/* Memory flag mask */ +#define DRM_BO_MASK_MEM 0xFF000000 -#define DRM_BO_HINT_PREFER_VRAM 0x00000001 -#define DRM_BO_HINT_AVOID_LOCAL 0x00000002 -#define DRM_BO_HINT_DONT_BLOCK 0x00000004 -#define DRM_BO_HINT_BIND_CACHED 0x00000008 +/* When creating a buffer, Avoid system storage even if allowed */ +#define DRM_BO_HINT_AVOID_LOCAL 0x00000001 +/* Don't block on validate and map */ +#define DRM_BO_HINT_DONT_BLOCK 0x00000002 typedef enum { drm_bo_type_ttm, @@ -738,7 +758,6 @@ typedef struct drm_bo_arg_reply { unsigned arg_handle; unsigned map_flags; unsigned mask; - unsigned hint; drm_u64_t buffer_start; }drm_bo_arg_reply_t; |