#ifndef OPENGLWINDOW_H
#define OPENGLWINDOW_H

#include <QtGui/QWindow>
#include <QtGui/QOpenGLFunctions_3_3_Core>
#include <QtGui/QOpenGLShaderProgram>

class OpenGLWindow : public QWindow, protected QOpenGLFunctions_3_3_Core
{
    Q_OBJECT

public:
    explicit OpenGLWindow(QWindow *parent = 0);

    void initialize();
    void render();

public slots:
    void renderLater();
    void renderNow();

protected:
    bool event(QEvent *event);
    void exposeEvent(QExposeEvent *event);
    void resizeEvent(QResizeEvent *event);

private:
    QOpenGLContext *m_context;
    QOpenGLShaderProgram m_program;
    bool m_initialized;
    bool m_update_pending;

};

#endif // OPENGLWINDOW_H