/****************************************************************************
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the QtLocation module of the Qt Toolkit.
**
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****************************************************************************/

#ifndef MAPNODE_H
#define MAPNODE_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <QtQuick/QSGNode>
#include <QtQuick/QSGTextureMaterial>

QT_BEGIN_NAMESPACE

class QGeoMap;
class QOpenGLFramebufferObject;
class QGLFramebufferObjectSurface;
class QGLPainter;
class QSGPlainTexture;

class MapNode : public QSGGeometryNode
{
public:
    explicit MapNode(QGeoMap *m_map);
    ~MapNode();

    void setSize(const QSize &size);
    QSize size() const { return m_size; }
    void update();
    void preprocess();

private:
    void init();
    void updateFBO();
    void saveRenderState();
    void restoreRenderState();
    void restoreDefaults(QGLPainter *painter);

private:
    QOpenGLFramebufferObject *m_fbo;
    QGLFramebufferObjectSurface *m_fboSurface;
    QSGOpaqueTextureMaterial m_opaqueMaterial;
    QSGTextureMaterial m_material;
    QSGGeometry m_geometry;
    QSGPlainTexture *m_texture;
    QGeoMap *m_map;
    QSize m_size;
    bool m_initialized;
    bool m_dirtyFBO;
};

QT_END_NAMESPACE

#endif