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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenGL module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgraphicssystem_gl_p.h"
#include <QGraphicsView>
#include "private/qpixmap_raster_p.h"
#include "private/qpixmapdata_gl_p.h"
#include "private/qwindowsurface_gl_p.h"
#include "private/qgl_p.h"
#include <private/qwindowsurface_raster_p.h>
#if defined(Q_WS_X11) && !defined(QT_NO_EGL)
#include "private/qpixmapdata_x11gl_p.h"
#include "private/qwindowsurface_x11gl_p.h"
#endif
#if defined(Q_OS_SYMBIAN)
#include <QtGui/private/qapplication_p.h>
#include "private/qgltexturepool_p.h"
#endif
QT_BEGIN_NAMESPACE
extern QGLWidget *qt_gl_getShareWidget();
QPixmapData *QGLGraphicsSystem::createPixmapData(QPixmapData::PixelType type) const
{
return new QGLPixmapData(type);
}
QWindowSurface *QGLGraphicsSystem::createWindowSurface(QWidget *widget) const
{
#ifdef Q_WS_WIN
// On Windows the QGLWindowSurface class can't handle
// drop shadows and native effects, e.g. fading a menu in/out using
// top level window opacity.
if (widget->windowType() == Qt::Popup)
return new QRasterWindowSurface(widget);
#endif
#if defined(Q_WS_X11) && !defined(QT_NO_EGL)
if (m_useX11GL && QX11GLPixmapData::hasX11GLPixmaps()) {
// If the widget is a QGraphicsView which will be re-drawing the entire
// scene each frame anyway, we should use QGLWindowSurface as this may
// provide proper buffer flipping, which should be faster than QX11GL's
// blitting approach:
QGraphicsView* qgv = qobject_cast<QGraphicsView*>(widget);
if (qgv && qgv->viewportUpdateMode() == QGraphicsView::FullViewportUpdate)
return new QGLWindowSurface(widget);
else
return new QX11GLWindowSurface(widget);
}
#endif
#if defined(Q_OS_SYMBIAN)
if (!QApplicationPrivate::instance()->useTranslucentEGLSurfaces) {
QWidgetPrivate *d = qt_widget_private(widget);
if (!d->isOpaque && widget->testAttribute(Qt::WA_TranslucentBackground))
return d->createDefaultWindowSurface_sys();
}
#endif
return new QGLWindowSurface(widget);
}
#ifdef Q_OS_SYMBIAN
void QGLGraphicsSystem::releaseCachedGpuResources()
{
QGLTexturePool::instance()->hibernate();
}
QGraphicsSystemEx* QGLGraphicsSystem::platformExtension()
{
return this;
}
#endif
QT_END_NAMESPACE
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