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