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diff --git a/src/quick/scenegraph/util/qsgengine.h b/src/quick/scenegraph/util/qsgengine.h
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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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QSGENGINE_H
+#define QSGENGINE_H
+
+#include <QObject>
+
+#include <QtQuick/qsgtexture.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QSGEnginePrivate;
+
+class QQuickCanvas;
+
+class Q_QUICK_EXPORT QSGEngine : public QObject
+{
+    Q_OBJECT
+
+    Q_DECLARE_PRIVATE(QSGEngine)
+
+public:
+
+    enum TextureOption {
+        TextureHasAlphaChannel  = 0x0001,
+        TextureHasMipmaps       = 0x0002,
+        TextureOwnsGLTexture    = 0x0004
+    };
+    Q_DECLARE_FLAGS(TextureOptions, TextureOption)
+
+    QSGTexture *createTextureFromImage(const QImage &image) const;
+    QSGTexture *createTextureFromId(uint id, const QSize &size, TextureOptions options = TextureOption(0)) const;
+
+    void setClearBeforeRendering(bool enabled);
+    bool clearBeforeRendering() const;
+
+    void setClearColor(const QColor &color);
+    QColor clearColor() const;
+
+Q_SIGNALS:
+    void beforeRendering();
+    void afterRendering();
+
+private:
+    QSGEngine(QObject *parent = 0);
+    ~QSGEngine();
+
+    friend class QSGContext;
+    friend class QSGContextPrivate;
+    friend class QQuickCanvasPrivate;
+    void setCanvas(QQuickCanvas *canvas);
+
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QSGENGINE_H