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42 #ifndef NODEUPDATER_P_H
43 #define NODEUPDATER_P_H
46 #include <QtGui/private/qdatabuffer_p.h>
50 class Q_QUICK_EXPORT QSGNodeUpdater
55 virtual void updateStates(QSGNode *n);
56 virtual bool isNodeBlocked(QSGNode *n, QSGNode *root) const;
58 void setToplevelOpacity(qreal alpha) { m_opacity_stack.last() = alpha; }
59 qreal toplevelOpacity() const { return m_opacity_stack.last(); }
62 virtual void enterTransformNode(QSGTransformNode *);
63 virtual void leaveTransformNode(QSGTransformNode *);
64 void enterClipNode(QSGClipNode *c);
65 void leaveClipNode(QSGClipNode *c);
66 void enterOpacityNode(QSGOpacityNode *o);
67 void leaveOpacityNode(QSGOpacityNode *o);
68 void enterGeometryNode(QSGGeometryNode *);
69 void leaveGeometryNode(QSGGeometryNode *);
71 void visitNode(QSGNode *n);
72 void visitChildren(QSGNode *n);
75 QDataBuffer<const QMatrix4x4 *> m_combined_matrix_stack;
76 QDataBuffer<qreal> m_opacity_stack;
77 const QSGClipNode *m_current_clip;
81 qreal m_toplevel_alpha;
86 #endif // NODEUPDATER_P_H