diff options
Diffstat (limited to 'src/mesa/pipe/p_winsys.h')
| -rw-r--r-- | src/mesa/pipe/p_winsys.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/mesa/pipe/p_winsys.h b/src/mesa/pipe/p_winsys.h index f46807995d..2aac403c20 100644 --- a/src/mesa/pipe/p_winsys.h +++ b/src/mesa/pipe/p_winsys.h @@ -138,20 +138,30 @@ struct pipe_winsys * usage is a bitmask of PIPE_BUFFER_USAGE_PIXEL/VERTEX/INDEX/CONSTANT. This * usage argument is only an optimization hint, not a guarantee, therefore * proper behavior must be observed in all circumstances. + * + * Returns zero on success. */ int (*buffer_data)(struct pipe_winsys *sws, struct pipe_buffer_handle *buf, unsigned size, const void *data, unsigned usage); - /** Modify some or all of the data contained in a buffer's data store */ + /** + * Modify some or all of the data contained in a buffer's data store. + * + * Returns zero on success. + */ int (*buffer_subdata)(struct pipe_winsys *sws, struct pipe_buffer_handle *buf, unsigned long offset, unsigned long size, const void *data); - /** Query some or all of the data contained in a buffer's data store */ + /** + * Query some or all of the data contained in a buffer's data store. + * + * Returns zero on success. + */ int (*buffer_get_subdata)(struct pipe_winsys *sws, struct pipe_buffer_handle *buf, unsigned long offset, |