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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| #ifndef WINDOW_MULTITHREADED_H |
| #define WINDOW_MULTITHREADED_H |
| |
| #include <QWindow> |
| #include <QMatrix4x4> |
| #include <QThread> |
| #include <QWaitCondition> |
| #include <QMutex> |
| |
| 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 QuickRenderer : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| QuickRenderer(); |
| |
| void requestInit(); |
| void requestRender(); |
| void requestResize(); |
| void requestStop(); |
| |
| QWaitCondition *cond() { return &m_cond; } |
| QMutex *mutex() { return &m_mutex; } |
| |
| void setContext(QOpenGLContext *ctx) { m_context = ctx; } |
| void setSurface(QOffscreenSurface *s) { m_surface = s; } |
| void setWindow(QWindow *w) { m_window = w; } |
| void setQuickWindow(QQuickWindow *w) { m_quickWindow = w; } |
| void setRenderControl(QQuickRenderControl *r) { m_renderControl = r; } |
| |
| void aboutToQuit(); |
| |
| private: |
| bool event(QEvent *e) override; |
| void init(); |
| void cleanup(); |
| void ensureFbo(); |
| void render(QMutexLocker *lock); |
| |
| QWaitCondition m_cond; |
| QMutex m_mutex; |
| QOpenGLContext *m_context; |
| QOffscreenSurface *m_surface; |
| QOpenGLFramebufferObject *m_fbo; |
| QWindow *m_window; |
| QQuickWindow *m_quickWindow; |
| QQuickRenderControl *m_renderControl; |
| CubeRenderer *m_cubeRenderer; |
| QMutex m_quitMutex; |
| bool m_quit; |
| }; |
| |
| class WindowMultiThreaded : public QWindow |
| { |
| Q_OBJECT |
| |
| public: |
| WindowMultiThreaded(); |
| ~WindowMultiThreaded(); |
| |
| protected: |
| void exposeEvent(QExposeEvent *e) override; |
| void resizeEvent(QResizeEvent *e) override; |
| void mousePressEvent(QMouseEvent *e) override; |
| void mouseReleaseEvent(QMouseEvent *e) override; |
| bool event(QEvent *e) override; |
| |
| private slots: |
| void run(); |
| void requestUpdate(); |
| void polishSyncAndRender(); |
| |
| private: |
| void startQuick(const QString &filename); |
| void updateSizes(); |
| |
| QuickRenderer *m_quickRenderer; |
| QThread *m_quickRendererThread; |
| |
| QOpenGLContext *m_context; |
| QOffscreenSurface *m_offscreenSurface; |
| QQuickRenderControl *m_renderControl; |
| QQuickWindow *m_quickWindow; |
| QQmlEngine *m_qmlEngine; |
| QQmlComponent *m_qmlComponent; |
| QQuickItem *m_rootItem; |
| bool m_quickInitialized; |
| bool m_psrRequested; |
| }; |
| |
| #endif |