diff options
| -rw-r--r-- | src/gallium/docs/source/context.rst | 5 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_context.h | 11 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/gallium/docs/source/context.rst b/src/gallium/docs/source/context.rst index 8e14522..efa2a1c 100644 --- a/src/gallium/docs/source/context.rst +++ b/src/gallium/docs/source/context.rst @@ -218,6 +218,11 @@ is is also possible to only clear one or the other part). While it is only possible to clear one surface at a time (which can include several layers), this surface need not be bound to the framebuffer. +``clear_buffer`` clears a PIPE_BUFFER resource with the specified clear value +(which may be multiple bytes in length). Logically this is a memset with a +multi-byte element value starting at offset bytes from resource start, going +for size bytes. It is guaranteed that size % clear_value_size == 0. + Drawing ^^^^^^^ diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h index fe3045a..bf27285 100644 --- a/src/gallium/include/pipe/p_context.h +++ b/src/gallium/include/pipe/p_context.h @@ -332,6 +332,17 @@ struct pipe_context { unsigned dstx, unsigned dsty, unsigned width, unsigned height); + /** + * Clear a buffer. Runs a memset over the specified region with the element + * value passed in through clear_value of size clear_value_size. + */ + void (*clear_buffer)(struct pipe_context *pipe, + struct pipe_resource *res, + unsigned offset, + unsigned size, + const void *clear_value, + int clear_value_size); + /** Flush draw commands * * \param flags bitfield of enum pipe_flush_flags values. |