38 lines
1.3 KiB
Diff
38 lines
1.3 KiB
Diff
From f4006d795cb199bf7deeb00f542c592db6a5becb Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <mdaenzer@redhat.com>
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Date: Mon, 7 Sep 2020 18:35:10 +0200
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Subject: [PATCH xserver 07/16] present/wnmd: Can't use page flipping for
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windows clipped by children
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Noticed this was missing while working on the following fix.
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v2:
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* Dropped present_wnmd_can_window_flip hunk (that function is never
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called, will be cleaned up in a follow-up MR).
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Reviewed-by: Olivier Fourdan <ofourdan@redhat.com> # v1
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Reviewed-by: Roman Gilg <subdiff@gmail.com>
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(cherry picked from commit 7ac303c7b1e3b1be79ba3648e217798683e65a99)
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---
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present/present_wnmd.c | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/present/present_wnmd.c b/present/present_wnmd.c
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index 32c4d55f1..6a3d1035b 100644
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--- a/present/present_wnmd.c
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+++ b/present/present_wnmd.c
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@@ -291,6 +291,10 @@ present_wnmd_check_flip(RRCrtcPtr crtc,
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if ( !RegionEqual(&window->winSize, &toplvl_window->winSize) )
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return FALSE;
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+ /* Can't flip if window clipped by children */
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+ if (!RegionEqual(&window->clipList, &window->winSize))
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+ return FALSE;
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+
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/* Ask the driver for permission */
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if (screen_priv->wnmd_info->check_flip2) {
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if (!(*screen_priv->wnmd_info->check_flip2) (crtc, window, pixmap, sync_flip, reason)) {
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--
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2.28.0
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