kwin/libkwineffects/kwinglobals.cpp

72 lines
2.0 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
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 <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "kwinglobals.h"
#include <QPainter>
#include <QPaintEngine>
#include <QPixmap>
#include <config-X11.h>
#include <assert.h>
#include <kdebug.h>
#include <X11/Xlib.h>
#include <X11/extensions/shape.h>
#include <X11/extensions/Xdamage.h>
#include <X11/extensions/Xrandr.h>
#ifdef HAVE_XSYNC
#include <X11/extensions/sync.h>
#endif
namespace KWin
{
bool Extensions::non_native_pixmaps = false;
void Extensions::init()
{
static bool initPerformed = false;
if (initPerformed) {
return;
}
// it seems like no events are delivered to XLib when the extension is not queried
int event_base, error_base;
XShapeQueryExtension(display(), &event_base, &error_base);
XRRQueryExtension(display(), &event_base, &error_base);
XDamageQueryExtension(display(), &event_base, &error_base);
#ifdef HAVE_XSYNC
XSyncQueryExtension(display(), &event_base, &error_base);
#endif
QPixmap pix(1,1);
QPainter p(&pix);
non_native_pixmaps = p.paintEngine()->type() != QPaintEngine::X11;
p.end();
kDebug(1212) << " non_native_pixmaps: " << non_native_pixmaps << endl;
initPerformed = true;
}
} // namespace