diff options
| -rw-r--r-- | src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c index ede2af4460f..788bf9087f7 100644 --- a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c +++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c @@ -291,16 +291,26 @@ fenced_buffer_map(struct pb_buffer *buf, unsigned flags) { struct fenced_buffer *fenced_buf = fenced_buffer(buf); + struct fenced_buffer_list *fenced_list = fenced_buf->list; + struct pipe_winsys *winsys = fenced_list->winsys; void *map; - assert(!(flags & ~PIPE_BUFFER_USAGE_CPU_READ_WRITE)); - flags &= PIPE_BUFFER_USAGE_CPU_READ_WRITE; + assert(!(flags & PIPE_BUFFER_USAGE_GPU_READ_WRITE)); /* Serialize writes */ if((fenced_buf->flags & PIPE_BUFFER_USAGE_GPU_WRITE) || ((fenced_buf->flags & PIPE_BUFFER_USAGE_GPU_READ) && (flags & PIPE_BUFFER_USAGE_CPU_WRITE))) { - /* Wait for the GPU to finish */ - _fenced_buffer_finish(fenced_buf); + if(flags & PIPE_BUFFER_USAGE_DONTBLOCK) { + /* Don't wait for the GPU to finish writing */ + if(winsys->fence_finish(winsys, fenced_buf->fence, 0) == 0) + _fenced_buffer_remove(fenced_list, fenced_buf); + else + return NULL; + } + else { + /* Wait for the GPU to finish writing */ + _fenced_buffer_finish(fenced_buf); + } } #if 0 @@ -314,7 +324,7 @@ fenced_buffer_map(struct pb_buffer *buf, map = pb_map(fenced_buf->buffer, flags); if(map) { ++fenced_buf->mapcount; - fenced_buf->flags |= flags; + fenced_buf->flags |= flags & PIPE_BUFFER_USAGE_CPU_READ_WRITE; } return map; |