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Document return types.

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This commit is contained in:
José Fonseca 2007-11-20 14:27:52 +00:00
parent cd1eefee84
commit 79ad82477a
1 changed files with 12 additions and 2 deletions
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14
src/mesa/pipe/p_winsys.h
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@ -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,