gallium: add an api to retrieve pipe offsets
This is needed to implement the vulkan transform feedback pause resume functionality Acked-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Roland Scheidegger <sroland@vmware.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7981>
This commit is contained in:
parent
3df7c9bf54
commit
46734a02fc
|
@ -251,6 +251,10 @@ discussed above.
|
|||
for the purposes of the draw_auto stage. -1 means the buffer should
|
||||
be appended to, and everything else sets the internal offset.
|
||||
|
||||
* ``stream_output_target_offset`` Retrieve the internal stream offset from
|
||||
an streamout target. This is used to implement Vulkan pause/resume support
|
||||
which needs to pass the internal offset to the API.
|
||||
|
||||
NOTE: The currently-bound vertex or geometry shader must be compiled with
|
||||
the properly-filled-in structure pipe_stream_output_info describing which
|
||||
outputs should be written to buffers and how. The structure is part of
|
||||
|
|
|
@ -517,6 +517,8 @@ struct pipe_context {
|
|||
struct pipe_stream_output_target **targets,
|
||||
const unsigned *offsets);
|
||||
|
||||
uint32_t (*stream_output_target_offset)(struct pipe_stream_output_target *target);
|
||||
|
||||
/*@}*/
|
||||
|
||||
|
||||
|
|
Loading…
Reference in New Issue