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Fix present_notify to return right away when querying current or past msc.

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When the target msc is past or is the current one, we want to get immediate
feedback. This patch fixes this behaviour.

Signed-off-by: Axel Davy <axel.davy@ens.fr>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
(cherry picked from commit 882f2d10d9)
Signed-off-by: Julien Cristau <jcristau@debian.org>
This commit is contained in:
Axel Davy 2014-10-29 13:31:42 +01:00 • committed by Julien Cristau
parent 27600a6b20
commit a7c207cc8e
1 changed files with 2 additions and 2 deletions
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4
present/present.c
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@ -858,7 +858,7 @@ present_pixmap(WindowPtr window,
xorg_list_add(&vblank->event_queue, &present_exec_queue);
vblank->queued = TRUE;
if (target_msc >= crtc_msc) {
if ((pixmap && target_msc >= crtc_msc) || (!pixmap && target_msc > crtc_msc)) {
ret = present_queue_vblank(screen, target_crtc, vblank->event_id, target_msc);
if (ret != Success) {
xorg_list_del(&vblank->event_queue);
@ -921,7 +921,7 @@ present_notify_msc(WindowPtr window,
0, 0,
NULL,
NULL, NULL,
0,
PresentOptionAsync,
target_msc, divisor, remainder, NULL, 0);
}