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#ifndef QQNXEGLWINDOW_H
#define QQNXEGLWINDOW_H

#include "qqnxwindow.h"
#include <QtCore/QMutex>

QT_BEGIN_NAMESPACE

class QQnxGLContext;

class QQnxEglWindow : public QQnxWindow
{
public:
    QQnxEglWindow(QWindow *window, screen_context_t context, bool needRootWindow);
    ~QQnxEglWindow();

    void createEGLSurface();
    void destroyEGLSurface();
    void swapEGLBuffers();
    EGLSurface getSurface();

    void setPlatformOpenGLContext(QQnxGLContext *platformOpenGLContext);
    QQnxGLContext *platformOpenGLContext() const { return m_platformOpenGLContext; }

    void setGeometry(const QRect &rect);

    // Called by QQnxGLContext::createSurface()
    QSize requestedBufferSize() const;

    void adjustBufferSize();

protected:
    int pixelFormat() const;
    void resetBuffers();

private:
    QSize m_requestedBufferSize;

    // This mutex is used to protect access to the m_requestedBufferSize
    // member. This member is used in conjunction with QQnxGLContext::requestNewSurface()
    // to coordinate recreating the EGL surface which involves destroying any
    // existing EGL surface; resizing the native window buffers; and creating a new
    // EGL surface. All of this has to be done from the thread that is calling
    // QQnxGLContext::makeCurrent()
    mutable QMutex m_mutex;

    QQnxGLContext *m_platformOpenGLContext;
    QAtomicInt m_newSurfaceRequested;
    EGLSurface m_eglSurface;
};

QT_END_NAMESPACE

#endif // QQNXEGLWINDOW_H