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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative 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 "qsgcontextplugin_p.h"
#include <private/qsgcontext_p.h>
#include <QtWidgets/qapplication.h>
#include <QtCore/private/qfactoryloader_p.h>
#include <QtCore/qlibraryinfo.h>
QT_BEGIN_NAMESPACE
QSGContextPlugin::QSGContextPlugin(QObject *parent)
: QObject(parent)
{
}
QSGContextPlugin::~QSGContextPlugin()
{
}
#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
(QSGContextFactoryInterface_iid, QLatin1String("/scenegraph")))
#endif
/*!
\fn QSGContext *QSGContext::createDefaultContext()
Creates a default scene graph context for the current hardware.
This may load a device-specific plugin.
*/
QSGContext *QSGContext::createDefaultContext()
{
const QStringList args = QApplication::arguments();
QString device;
for (int index = 0; index < args.count(); ++index) {
if (args.at(index).startsWith(QLatin1String("--device="))) {
device = args.at(index).mid(9);
break;
}
}
if (device.isEmpty())
device = QString::fromLocal8Bit(qgetenv("QMLSCENE_DEVICE"));
if (device.isEmpty())
return new QSGContext();
#if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS)
if (QSGContextFactoryInterface *factory
= qobject_cast<QSGContextFactoryInterface*>
(loader()->instance(device))) {
QSGContext *context = factory->create(device);
if (context)
return context;
}
#ifndef QT_NO_DEBUG
qWarning("Could not create scene graph context for device '%s'"
" - check that plugins are installed correctly in %s",
qPrintable(device),
qPrintable(QLibraryInfo::location(QLibraryInfo::PluginsPath)));
#endif
#endif // QT_NO_LIBRARY || QT_NO_SETTINGS
return new QSGContext();
}
QT_END_NAMESPACE
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