From: Marek Olšák <marek.ol...@amd.com>
for better CPU-GPU parallelism
---
src/gallium/state_trackers/dri/dri_drawable.c | 20 +++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/src/gallium/state_trackers/dri/dri_drawable.c
b/src/gallium/state_trackers/dri/dri_drawable.c
index 26bfdbecc53..c1de3bed9dd 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/dri_drawable.c
@@ -555,33 +555,33 @@ dri_flush(__DRIcontext *cPriv,
*
* This pulls a fence off the throttling queue and waits for it if the
* number of fences on the throttling queue has reached the desired
* number.
*
* Then flushes to insert a fence at the current rendering position, and
* pushes that fence on the queue. This requires that the
st_context_iface
* flush method returns a fence even if there are no commands to flush.
*/
struct pipe_screen *screen = drawable->screen->base.screen;
- struct pipe_fence_handle *fence;
+ struct pipe_fence_handle *oldest_fence, *new_fence = NULL;
- fence = swap_fences_pop_front(drawable);
- if (fence) {
- (void) screen->fence_finish(screen, NULL, fence,
PIPE_TIMEOUT_INFINITE);
- screen->fence_reference(screen, &fence, NULL);
- }
+ st->flush(st, flush_flags, &new_fence);
- st->flush(st, flush_flags, &fence);
+ oldest_fence = swap_fences_pop_front(drawable);
+ if (oldest_fence) {
+ screen->fence_finish(screen, NULL, oldest_fence,
PIPE_TIMEOUT_INFINITE);
+ screen->fence_reference(screen, &oldest_fence, NULL);
+ }
- if (fence) {
- swap_fences_push_back(drawable, fence);
- screen->fence_reference(screen, &fence, NULL);
+ if (new_fence) {
+ swap_fences_push_back(drawable, new_fence);
+ screen->fence_reference(screen, &new_fence, NULL);
}
}
else if (flags & (__DRI2_FLUSH_DRAWABLE | __DRI2_FLUSH_CONTEXT)) {
st->flush(st, flush_flags, NULL);
}
if (drawable) {
drawable->flushing = FALSE;
}
--
2.17.1
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