diff options
Diffstat (limited to 'src/gallium/auxiliary/pipebuffer/pb_buffer.h')
| -rw-r--r-- | src/gallium/auxiliary/pipebuffer/pb_buffer.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer.h b/src/gallium/auxiliary/pipebuffer/pb_buffer.h index bd60eba1432..9c71fc86c9c 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_buffer.h +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer.h @@ -66,6 +66,11 @@ enum pb_usage_flags { PB_USAGE_GPU_WRITE = (1 << 3), PB_USAGE_DONTBLOCK = (1 << 9), PB_USAGE_UNSYNCHRONIZED = (1 << 10), + /* Persistent mappings may remain across a flush. Note that contrary + * to OpenGL persistent maps, there is no requirement at the pipebuffer + * api level to explicitly enforce coherency by barriers or range flushes. + */ + PB_USAGE_PERSISTENT = (1 << 13) }; /* For error checking elsewhere */ @@ -74,7 +79,8 @@ enum pb_usage_flags { PB_USAGE_GPU_READ | \ PB_USAGE_GPU_WRITE | \ PB_USAGE_DONTBLOCK | \ - PB_USAGE_UNSYNCHRONIZED) + PB_USAGE_UNSYNCHRONIZED | \ + PB_USAGE_PERSISTENT) #define PB_USAGE_CPU_READ_WRITE (PB_USAGE_CPU_READ | PB_USAGE_CPU_WRITE) #define PB_USAGE_GPU_READ_WRITE (PB_USAGE_GPU_READ | PB_USAGE_GPU_WRITE) |