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diff --git a/src/quick/scenegraph/coreapi/qsgdefaultrenderer_p.h b/src/quick/scenegraph/coreapi/qsgdefaultrenderer_p.h
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+++ b/src/quick/scenegraph/coreapi/qsgdefaultrenderer_p.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 QMLRENDERER_H
+#define QMLRENDERER_H
+
+#include "qsgrenderer_p.h"
+
+#include <QtGui/private/qdatabuffer_p.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QSGDefaultRenderer : public QSGRenderer
+{
+    Q_OBJECT
+public:
+    class IndexGeometryNodePair : public QPair<int, QSGGeometryNode *>
+    {
+    public:
+        IndexGeometryNodePair(int i, QSGGeometryNode *n);
+        bool operator < (const IndexGeometryNodePair &other) const;
+    };
+
+
+    // Minimum heap.
+    class IndexGeometryNodePairHeap
+    {
+    public:
+        IndexGeometryNodePairHeap();
+        void insert(const IndexGeometryNodePair &x);
+        const IndexGeometryNodePair &top() const { return v.first(); }
+        IndexGeometryNodePair pop();
+        bool isEmpty() const { return v.isEmpty(); }
+    private:
+        static int parent(int i) { return (i - 1) >> 1; }
+        static int left(int i) { return (i << 1) | 1; }
+        static int right(int i) { return (i + 1) << 1; }
+        QDataBuffer<IndexGeometryNodePair> v;
+    };
+
+    QSGDefaultRenderer(QSGContext *context);
+
+    void render();
+
+    void nodeChanged(QSGNode *node, QSGNode::DirtyFlags flags);
+
+    void setSortFrontToBackEnabled(bool sort);
+    bool isSortFrontToBackEnabled() const;
+
+private:
+    void buildLists(QSGNode *node);
+    void renderNodes(const QDataBuffer<QSGGeometryNode *> &list);
+
+    const QSGClipNode *m_currentClip;
+    QSGMaterial *m_currentMaterial;
+    QSGMaterialShader *m_currentProgram;
+    const QMatrix4x4 *m_currentMatrix;
+    QMatrix4x4 m_renderOrderMatrix;
+    QDataBuffer<QSGGeometryNode *> m_opaqueNodes;
+    QDataBuffer<QSGGeometryNode *> m_transparentNodes;
+    QDataBuffer<QSGGeometryNode *> m_tempNodes;
+    IndexGeometryNodePairHeap m_heap;
+
+    bool m_rebuild_lists;
+    bool m_needs_sorting;
+    bool m_sort_front_to_back;
+    int m_currentRenderOrder;
+
+#ifdef QML_RUNTIME_TESTING
+    bool m_render_opaque_nodes;
+    bool m_render_alpha_nodes;
+#endif
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMLRENDERER_H