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#ifndef RENDERWINDOW_H
#define RENDERWINDOW_H

#include <QtGui/QWindow>
#include <QtCore/QElapsedTimer>
#include <QtGui/QOpenGLContext>
#include <QtQuick3DUtils/private/qtquick3dutilsglobal_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendercontextcore_p.h>

QT_BEGIN_NAMESPACE
class QSSGRenderContext;
struct QSSGRenderLayer;
struct QSSGRenderPresentation;
struct QSSGRenderScene;
struct QSSGRenderModel;
QT_END_NAMESPACE

class RenderWindow : public QWindow
{
public:
    RenderWindow(QWindow *parent = nullptr);
    ~RenderWindow() override;
    virtual void initialize();
    virtual void drawFrame(qint64 delta);

    void setAutoUpdate(bool autoUpdate) { m_autoUpdate = autoUpdate;}

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

private slots:
    void updateAnimations(qint64 delta);

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

private:
    void preInit();
    void buildTestScene();

    QElapsedTimer m_frameTimer;
    bool m_autoUpdate = true;
    bool m_isIntialized = false;
    QOpenGLContext *m_glContext;
    QSSGRenderLayer *m_layer;
    QSSGRef<QSSGRenderContextInterface> m_context;
    QSSGRef<QSSGRenderContext> m_renderContext;
    QSSGRenderModel *m_cube;
    QSSGRenderNode *m_planetsRoot;

};

#endif // RENDERWINDOW_H
