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| |
| #ifndef QSGTHREADEDRENDERLOOP_P_H |
| #define QSGTHREADEDRENDERLOOP_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/QThread> |
| #include <QtGui/QOpenGLContext> |
| #include <private/qsgcontext_p.h> |
| |
| #include "qsgrenderloop_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QSGRenderThread; |
| |
| class QSGThreadedRenderLoop : public QSGRenderLoop |
| { |
| Q_OBJECT |
| public: |
| QSGThreadedRenderLoop(); |
| ~QSGThreadedRenderLoop(); |
| |
| void show(QQuickWindow *) override {} |
| void hide(QQuickWindow *) override; |
| |
| void windowDestroyed(QQuickWindow *window) override; |
| void exposureChanged(QQuickWindow *window) override; |
| |
| QImage grab(QQuickWindow *) override; |
| |
| void update(QQuickWindow *window) override; |
| void maybeUpdate(QQuickWindow *window) override; |
| void handleUpdateRequest(QQuickWindow *window) override; |
| |
| QSGContext *sceneGraphContext() const override; |
| QSGRenderContext *createRenderContext(QSGContext *) const override; |
| |
| QAnimationDriver *animationDriver() const override; |
| |
| void releaseResources(QQuickWindow *window) override; |
| |
| bool event(QEvent *) override; |
| void postJob(QQuickWindow *window, QRunnable *job) override; |
| |
| bool interleaveIncubation() const override; |
| |
| public Q_SLOTS: |
| void animationStarted(); |
| void animationStopped(); |
| |
| private: |
| struct Window { |
| QQuickWindow *window; |
| QSGRenderThread *thread; |
| QSurfaceFormat actualWindowFormat; |
| uint updateDuringSync : 1; |
| uint forceRenderPass : 1; |
| }; |
| |
| friend class QSGRenderThread; |
| |
| void releaseResources(Window *window, bool inDestructor); |
| bool checkAndResetForceUpdate(QQuickWindow *window); |
| |
| bool anyoneShowing() const; |
| void initialize(); |
| |
| void startOrStopAnimationTimer(); |
| void maybePostPolishRequest(Window *w); |
| void waitForReleaseComplete(); |
| void polishAndSync(Window *w, bool inExpose = false); |
| void maybeUpdate(Window *window); |
| |
| void handleExposure(QQuickWindow *w); |
| void handleObscurity(Window *w); |
| void releaseSwapchain(QQuickWindow *window); |
| |
| bool eventFilter(QObject *watched, QEvent *event) override; |
| |
| QSGContext *sg; |
| // Set of contexts that have been created but are now owned by |
| // a rendering thread yet, as the window has never been exposed. |
| mutable QSet<QSGRenderContext*> pendingRenderContexts; |
| QAnimationDriver *m_animation_driver; |
| QList<Window> m_windows; |
| |
| int m_animation_timer; |
| |
| bool m_lockedForSync; |
| }; |
| |
| |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSGTHREADEDRENDERLOOP_P_H |