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#ifndef QGRAPHICSSYSTEM_VGLITE_H
#define QGRAPHICSSYSTEM_VGLITE_H

#include <QtGui/private/qgraphicssystem_p.h>
#include <QtGui/private/qegl_p.h>
#include <QtGui/qimage.h>

QT_BEGIN_NAMESPACE

class QVGLiteWindowSurface;

class QVGLiteGraphicsSystem : public QGraphicsSystem,
                              public QGraphicsSystemScreen
{
public:
    QVGLiteGraphicsSystem();
    ~QVGLiteGraphicsSystem();

    QPixmapData *createPixmapData(QPixmapData::PixelType type) const;
    QWindowSurface *createWindowSurface(QWidget *widget) const;
    QList<QGraphicsSystemScreen *> screens() const { return mScreens; }

    QRect geometry() const { return QRect(0, 0, w, h); }
    int depth() const { return d; }
    QImage::Format format() const { return screenFormat; }
    QSize physicalSize() const { return QSize(physWidth, physHeight); }

private:
    friend class QVGLiteWindowSurface;

    int w;
    int h;
    int d;

    int dw;
    int dh;

    int physWidth;
    int physHeight;

    mutable QVGLiteWindowSurface *surface;
    QEglContext *context;
    EGLSurface rootWindow;
    QImage::Format screenFormat;
    bool preservedSwap;

    QList<QGraphicsSystemScreen *> mScreens;
};

QT_END_NAMESPACE

#endif