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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 QQUICKSHADEREFFECT_P_H
+#define QQUICKSHADEREFFECT_P_H
+
+#include <QtQuick/qquickitem.h>
+
+#include <QtQuick/qsgmaterial.h>
+#include <private/qsgadaptationlayer_p.h>
+#include <private/qquickshadereffectnode_p.h>
+#include "qquickshadereffectmesh_p.h"
+
+#include <QtCore/qpointer.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+const char *qtPositionAttributeName();
+const char *qtTexCoordAttributeName();
+
+class QSGContext;
+class QSignalMapper;
+class QQuickCustomMaterialShader;
+
+class Q_AUTOTEST_EXPORT QQuickShaderEffect : public QQuickItem
+{
+    Q_OBJECT
+    Q_PROPERTY(QByteArray fragmentShader READ fragmentShader WRITE setFragmentShader NOTIFY fragmentShaderChanged)
+    Q_PROPERTY(QByteArray vertexShader READ vertexShader WRITE setVertexShader NOTIFY vertexShaderChanged)
+    Q_PROPERTY(bool blending READ blending WRITE setBlending NOTIFY blendingChanged)
+    Q_PROPERTY(QVariant mesh READ mesh WRITE setMesh NOTIFY meshChanged)
+    Q_PROPERTY(CullMode culling READ cullMode WRITE setCullMode NOTIFY cullModeChanged)
+    Q_ENUMS(CullMode)
+
+public:
+    enum CullMode
+    {
+        NoCulling = QQuickShaderEffectMaterial::NoCulling,
+        BackFaceCulling = QQuickShaderEffectMaterial::BackFaceCulling,
+        FrontFaceCulling = QQuickShaderEffectMaterial::FrontFaceCulling
+    };
+
+    QQuickShaderEffect(QQuickItem *parent = 0);
+    ~QQuickShaderEffect();
+
+    virtual void componentComplete();
+
+    QByteArray fragmentShader() const { return m_source.fragmentCode; }
+    void setFragmentShader(const QByteArray &code);
+
+    QByteArray vertexShader() const { return m_source.vertexCode; }
+    void setVertexShader(const QByteArray &code);
+
+    bool blending() const { return m_blending; }
+    void setBlending(bool enable);
+
+    QVariant mesh() const;
+    void setMesh(const QVariant &mesh);
+
+    CullMode cullMode() const { return m_cullMode; }
+    void setCullMode(CullMode face);
+
+Q_SIGNALS:
+    void fragmentShaderChanged();
+    void vertexShaderChanged();
+    void blendingChanged();
+    void meshChanged();
+    void cullModeChanged();
+
+protected:
+    virtual void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
+    virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
+
+private Q_SLOTS:
+    void changeSource(int index);
+    void updateData();
+    void updateGeometry();
+
+private:
+    friend class QQuickCustomMaterialShader;
+    friend class QQuickShaderEffectNode;
+
+    void setSource(const QVariant &var, int index);
+    void disconnectPropertySignals();
+    void connectPropertySignals();
+    void reset();
+    void updateProperties();
+    void lookThroughShaderCode(const QByteArray &code);
+
+    QQuickShaderEffectProgram m_source;
+    QSize m_meshResolution;
+    QQuickShaderEffectMesh *m_mesh;
+    QQuickGridMesh m_defaultMesh;
+    CullMode m_cullMode;
+
+    struct SourceData
+    {
+        QSignalMapper *mapper;
+        QPointer<QQuickItem> sourceObject;
+        QByteArray name;
+    };
+    QVector<SourceData> m_sources;
+
+    uint m_blending : 1;
+    uint m_dirtyData : 1;
+
+    uint m_programDirty : 1;
+    uint m_dirtyMesh : 1;
+    uint m_dirtyGeometry : 1;
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QQUICKSHADEREFFECT_P_H