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39 | |
40 | #ifndef QSGTHREADEDRENDERLOOP_P_H |
41 | #define QSGTHREADEDRENDERLOOP_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <QtCore/QThread> |
55 | #include <QtGui/QOpenGLContext> |
56 | #include <private/qsgcontext_p.h> |
57 | |
58 | #include "qsgrenderloop_p.h" |
59 | |
60 | QT_BEGIN_NAMESPACE |
61 | |
62 | class QSGRenderThread; |
63 | |
64 | class QSGThreadedRenderLoop : public QSGRenderLoop |
65 | { |
66 | Q_OBJECT |
67 | public: |
68 | QSGThreadedRenderLoop(); |
69 | ~QSGThreadedRenderLoop(); |
70 | |
71 | void show(QQuickWindow *) override {} |
72 | void hide(QQuickWindow *) override; |
73 | |
74 | void windowDestroyed(QQuickWindow *window) override; |
75 | void exposureChanged(QQuickWindow *window) override; |
76 | |
77 | QImage grab(QQuickWindow *) override; |
78 | |
79 | void update(QQuickWindow *window) override; |
80 | void maybeUpdate(QQuickWindow *window) override; |
81 | void handleUpdateRequest(QQuickWindow *window) override; |
82 | |
83 | QSGContext *sceneGraphContext() const override; |
84 | QSGRenderContext *createRenderContext(QSGContext *) const override; |
85 | |
86 | QAnimationDriver *animationDriver() const override; |
87 | |
88 | void releaseResources(QQuickWindow *window) override; |
89 | |
90 | bool event(QEvent *) override; |
91 | void postJob(QQuickWindow *window, QRunnable *job) override; |
92 | |
93 | bool interleaveIncubation() const override; |
94 | |
95 | public Q_SLOTS: |
96 | void animationStarted(); |
97 | void animationStopped(); |
98 | |
99 | private: |
100 | struct Window { |
101 | QQuickWindow *window; |
102 | QSGRenderThread *thread; |
103 | QSurfaceFormat actualWindowFormat; |
104 | uint updateDuringSync : 1; |
105 | uint forceRenderPass : 1; |
106 | }; |
107 | |
108 | friend class QSGRenderThread; |
109 | |
110 | void releaseResources(Window *window, bool inDestructor); |
111 | bool checkAndResetForceUpdate(QQuickWindow *window); |
112 | |
113 | bool anyoneShowing() const; |
114 | void initialize(); |
115 | |
116 | void startOrStopAnimationTimer(); |
117 | void maybePostPolishRequest(Window *w); |
118 | void waitForReleaseComplete(); |
119 | void polishAndSync(Window *w, bool inExpose = false); |
120 | void maybeUpdate(Window *window); |
121 | |
122 | void handleExposure(QQuickWindow *w); |
123 | void handleObscurity(Window *w); |
124 | void releaseSwapchain(QQuickWindow *window); |
125 | |
126 | bool eventFilter(QObject *watched, QEvent *event) override; |
127 | |
128 | QSGContext *sg; |
129 | // Set of contexts that have been created but are now owned by |
130 | // a rendering thread yet, as the window has never been exposed. |
131 | mutable QSet<QSGRenderContext*> pendingRenderContexts; |
132 | QAnimationDriver *m_animation_driver; |
133 | QList<Window> m_windows; |
134 | |
135 | int m_animation_timer; |
136 | |
137 | bool m_lockedForSync; |
138 | }; |
139 | |
140 | |
141 | |
142 | QT_END_NAMESPACE |
143 | |
144 | #endif // QSGTHREADEDRENDERLOOP_P_H |
145 | |