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39 
40 #ifndef QT3DRENDER_SCENE3DRENDERER_P_H
41 #define QT3DRENDER_SCENE3DRENDERER_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/QObject>
55 #include <QtCore/qsize.h>
56 #include <QtCore/QMutex>
57 #include <QtCore/QSemaphore>
58 #include <scene3ditem_p.h>
59 
60 QT_BEGIN_NAMESPACE
61 
62 class QQuickWindow;
63 class QSGTexture;
64 class QOpenGLFramebufferObject;
65 
66 namespace Qt3DCore {
67 class QAspectEngine;
68 }
69 
70 namespace Qt3DRender {
71 
72 class QRenderAspect;
73 class Scene3DCleaner;
74 class Scene3DSGNode;
75 class Scene3DViews;
76 
77 class Scene3DRenderer : public QObject
78 {
79     Q_OBJECT
80 public:
81     Scene3DRenderer();
82     ~Scene3DRenderer();
83 
84     void setSGNode(Scene3DSGNode *node);
85     void setCleanerHelper(Scene3DCleaner *cleaner);
86     void allowRender();
87     void setCompositingMode(Scene3DItem::CompositingMode mode);
88     void setSkipFrame(bool skip);
89     void setMultisample(bool multisample);
90     void setBoundingSize(const QSize &size);
91 
92     void setScene3DViews(const QVector<Scene3DView *> views);
93     void init(Qt3DCore::QAspectEngine *aspectEngine, QRenderAspect *renderAspect);
94 
95     void beforeSynchronize();
96     void setWindow(QQuickWindow *window);
97 
hasShutdown()98     bool hasShutdown() const { return !m_needsShutdown; }
99 
renderAspect()100     QRenderAspect *renderAspect() const { return m_renderAspect; }
101 public Q_SLOTS:
102     void render();
103     void shutdown();
104 
105 private:
106     QOpenGLFramebufferObject *createMultisampledFramebufferObject(const QSize &size);
107     QOpenGLFramebufferObject *createFramebufferObject(const QSize &size);
108 
109     Qt3DCore::QAspectEngine *m_aspectEngine; // Will be released by the Scene3DItem
110     QRenderAspect *m_renderAspect; // Will be released by the aspectEngine
111     QScopedPointer<QOpenGLFramebufferObject> m_multisampledFBO;
112     QScopedPointer<QOpenGLFramebufferObject> m_finalFBO;
113     QScopedPointer<QSGTexture> m_texture;
114     Scene3DSGNode *m_node; // Will be released by the QtQuick SceneGraph
115     QQuickWindow *m_window;
116     QMutex m_windowMutex;
117     QSize m_lastSize;
118     QSize m_boundingRectSize;
119     bool m_multisample;
120     bool m_lastMultisample;
121     bool m_needsShutdown;
122     bool m_forceRecreate;
123     bool m_shouldRender;
124     bool m_dirtyViews;
125     bool m_skipFrame;
126     QSemaphore m_allowRendering;
127     Scene3DItem::CompositingMode m_compositingMode;
128     QVector<Scene3DView *> m_views;
129     bool m_resetRequested = false;
130 
131     friend class Scene3DItem;
132 };
133 
134 } // namespace Qt3DRender
135 
136 QT_END_NAMESPACE
137 
138 #endif // QT3DRENDER_SCENE3DRENDERER_P_H
139