diff options
| -rw-r--r-- | src/gallium/include/pipe/p_inlines.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h index cf176c92099..a5c1e8270a3 100644 --- a/src/gallium/include/pipe/p_inlines.h +++ b/src/gallium/include/pipe/p_inlines.h @@ -63,6 +63,13 @@ pipe_buffer_map(struct pipe_screen *screen, if(screen->buffer_map_range) { unsigned offset = 0; unsigned length = buf->size; + + /* XXX: Actually we should be using/detecting DISCARD + * instead of assuming that WRITE implies discard */ + if((usage & PIPE_BUFFER_USAGE_CPU_WRITE) && + !(usage & PIPE_BUFFER_USAGE_DISCARD)) + usage |= PIPE_BUFFER_USAGE_CPU_READ; + return screen->buffer_map_range(screen, buf, offset, length, usage); } else |