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xwayland/present: avoid async tearing FPS regression

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Sultech 2026-02-15 22:29:48 +00:00 • committed by Sultech
parent 0076a508e4
commit 3fe3cd6449
1 changed files with 10 additions and 4 deletions
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14
hw/xwayland/xwayland-present.c
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@ -174,7 +174,8 @@ xwl_present_has_pending_events(struct xwl_present_window *xwl_present_window)
{
present_vblank_ptr flip_pending = xwl_present_get_pending_flip(xwl_present_window);
return (flip_pending && flip_pending->sync_flip) ||
return (flip_pending &&
(flip_pending->sync_flip || !xwl_present_window->sync_callback)) ||
!xorg_list_is_empty(&xwl_present_window->wait_list) ||
!xorg_list_is_empty(&xwl_present_window->blocked_queue);
}
@ -256,7 +257,7 @@ xwl_present_get_exec_msc(uint32_t options, uint64_t target_msc)
/* Synchronous Xwayland presentations always complete (at least) one frame after they
* are executed
*/
if (options & PresentOptionAsyncMayTear)
if (options & PresentAllAsyncOptions)
return target_msc;
return target_msc - 1;
@ -538,7 +539,8 @@ xwl_present_msc_bump(struct xwl_present_window *xwl_present_window)
xwl_present_window->timer_armed = 0;
if (flip_pending && flip_pending->sync_flip)
if (flip_pending &&
(flip_pending->sync_flip || !xwl_present_window->sync_callback))
xwl_present_flip_notify_vblank(flip_pending, xwl_present_window->ust, msc);
xorg_list_for_each_entry_safe(vblank, tmp, &xwl_present_window->wait_list, event_queue) {
@ -945,7 +947,11 @@ xwl_present_flip(present_vblank_ptr vblank, RegionPtr damage)
wl_surface_commit(xwl_window->surface);
if (!vblank->sync_flip) {
/* Async flips are primarily retired from frame callbacks. If creating the
* frame callback failed, keep the wl_display_sync fallback so the queue can
* still make progress.
*/
if (!vblank->sync_flip && !xwl_window->frame_callback && !xwl_present_window->sync_callback) {
xwl_present_window->sync_callback =
wl_display_sync(xwl_window->xwl_screen->display);
wl_callback_add_listener(xwl_present_window->sync_callback,