/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2020 Vlad Zahorodnii This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . *********************************************************************/ #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