diff options
Diffstat (limited to 'src/declarative/scenegraph/qsgcontextplugin.cpp')
-rw-r--r-- | src/declarative/scenegraph/qsgcontextplugin.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/declarative/scenegraph/qsgcontextplugin.cpp b/src/declarative/scenegraph/qsgcontextplugin.cpp new file mode 100644 index 0000000000..287db68fa3 --- /dev/null +++ b/src/declarative/scenegraph/qsgcontextplugin.cpp @@ -0,0 +1,104 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qsgcontextplugin_p.h" +#include <private/qsgcontext_p.h> +#include <QtGui/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 |