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#ifndef QQNXGLBACKINGSTORE_H
#define QQNXGLBACKINGSTORE_H

#include <QtGui/qplatformbackingstore_qpa.h>
#include <QtOpenGL/private/qglpaintdevice_p.h>

#include <screen/screen.h>

QT_BEGIN_NAMESPACE

class QGLContext;
class QQnxGLContext;
class QQnxScreen;
class QQnxWindow;

class QQnxGLPaintDevice : public QGLPaintDevice
{
public:
    QQnxGLPaintDevice(QWindow *window);
    ~QQnxGLPaintDevice();

    QPaintEngine *paintEngine() const;
    QSize size() const;
    QGLContext *context() const { return m_glContext; }

private:
    QQnxWindow *m_window;
    QGLContext *m_glContext;
};

class QQnxGLBackingStore : public QPlatformBackingStore
{
public:
    QQnxGLBackingStore(QWindow *window);
    ~QQnxGLBackingStore();

    QPaintDevice *paintDevice() { return m_paintDevice; }
    void flush(QWindow *window, const QRegion &region, const QPoint &offset);
    void resize(const QSize &size, const QRegion &staticContents);
    void beginPaint(const QRegion &region);
    void endPaint(const QRegion &region);

    void resizeSurface(const QSize &size);

private:
    QOpenGLContext *m_openGLContext;
    QQnxGLPaintDevice *m_paintDevice;
    QSize m_requestedSize;
    QSize m_size;
};

QT_END_NAMESPACE

#endif // QQNXGLBACKINGSTORE_H