window_singlethreaded.h Example File

rendercontrol/window_singlethreaded.h
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#ifndef WINDOW_SINGLETHREADED_H #define WINDOW_SINGLETHREADED_H #include <QWindow> #include <QMatrix4x4> #include <QTimer> QT_FORWARD_DECLARE_CLASS(QOpenGLContext) QT_FORWARD_DECLARE_CLASS(QOpenGLFramebufferObject) QT_FORWARD_DECLARE_CLASS(QOffscreenSurface) QT_FORWARD_DECLARE_CLASS(QQuickRenderControl) QT_FORWARD_DECLARE_CLASS(QQuickWindow) QT_FORWARD_DECLARE_CLASS(QQmlEngine) QT_FORWARD_DECLARE_CLASS(QQmlComponent) QT_FORWARD_DECLARE_CLASS(QQuickItem) class CubeRenderer; class WindowSingleThreaded : public QWindow { Q_OBJECT public: WindowSingleThreaded(); ~WindowSingleThreaded(); protected: void exposeEvent(QExposeEvent *e) override; void resizeEvent(QResizeEvent *e) override; void mousePressEvent(QMouseEvent *e) override; void mouseReleaseEvent(QMouseEvent *e) override; private slots: void run(); void createFbo(); void destroyFbo(); void render(); void requestUpdate(); void handleScreenChange(); private: void startQuick(const QString &filename); void updateSizes(); void resizeFbo(); QOpenGLContext *m_context; QOffscreenSurface *m_offscreenSurface; QQuickRenderControl *m_renderControl; QQuickWindow *m_quickWindow; QQmlEngine *m_qmlEngine; QQmlComponent *m_qmlComponent; QQuickItem *m_rootItem; QOpenGLFramebufferObject *m_fbo; bool m_quickInitialized; bool m_quickReady; QTimer m_updateTimer; CubeRenderer *m_cubeRenderer; qreal m_dpr; bool m_onscreen; QSize m_onscreenSize; }; #endif