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d3d12: Add a buffer busy callback to the bufmgr 

Not all cached buffers can be mapped, so using map with do-not-wait
is a terrible heuristic. Use an explicit buffer busy callback which
is always false, since buffers are only put into the cache once they're
free.

Reviewed-by: Sil Vilerino <sivileri@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/14933>
This commit is contained in:
Jesse Natalie 2022-02-07 17:14:33 -08:00 committed by Marge Bot
parent 9d6febad5d
commit 96d68cb300
1 changed files with 8 additions and 0 deletions
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8
src/gallium/drivers/d3d12/d3d12_bufmgr.cpp
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@ -320,6 +320,13 @@ d3d12_bufmgr_destroy(struct pb_manager *_mgr)
FREE(mgr);
}
static boolean
d3d12_bufmgr_is_buffer_busy(struct pb_manager *_mgr, struct pb_buffer *_buf)
{
/* We're only asked this on buffers that are known not busy */
return false;
}
struct pb_manager *
d3d12_bufmgr_create(struct d3d12_screen *screen)
{
@ -332,6 +339,7 @@ d3d12_bufmgr_create(struct d3d12_screen *screen)
mgr->base.destroy = d3d12_bufmgr_destroy;
mgr->base.create_buffer = d3d12_bufmgr_create_buffer;
mgr->base.flush = d3d12_bufmgr_flush;
mgr->base.is_buffer_busy = d3d12_bufmgr_is_buffer_busy;
mgr->dev = screen->dev;