kwin/xwaylandclient.cpp
2020-08-07 19:57:56 +00:00

26 lines
818 B
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "xwaylandclient.h"
namespace KWin
{
bool XwaylandClient::wantsSyncCounter() const
{
// When the frame window is resized, the attached buffer will be destroyed by
// Xwayland, causing unexpected invalid previous and current window pixmaps.
// With the addition of multiple window buffers in Xwayland 1.21, X11 clients
// are no longer able to destroy the buffer after it's been committed and not
// released by the compositor yet.
static const quint32 xwaylandVersion = xcb_get_setup(connection())->release_number;
return xwaylandVersion >= 12100000;
}
} // namespace KWin