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39 | |
40 | #ifndef QSGNODEUPDATER_P_H |
41 | #define QSGNODEUPDATER_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 <private/qtquickglobal_p.h> |
55 | #include <QtGui/private/qdatabuffer_p.h> |
56 | |
57 | QT_BEGIN_NAMESPACE |
58 | |
59 | class QSGNode; |
60 | class QSGTransformNode; |
61 | class QSGClipNode; |
62 | class QSGOpacityNode; |
63 | class QSGGeometryNode; |
64 | class QMatrix4x4; |
65 | class QSGRenderNode; |
66 | |
67 | class Q_QUICK_PRIVATE_EXPORT QSGNodeUpdater |
68 | { |
69 | public: |
70 | QSGNodeUpdater(); |
71 | virtual ~QSGNodeUpdater(); |
72 | |
73 | virtual void updateStates(QSGNode *n); |
74 | virtual bool isNodeBlocked(QSGNode *n, QSGNode *root) const; |
75 | |
76 | protected: |
77 | virtual void enterTransformNode(QSGTransformNode *); |
78 | virtual void leaveTransformNode(QSGTransformNode *); |
79 | void enterClipNode(QSGClipNode *c); |
80 | void leaveClipNode(QSGClipNode *c); |
81 | void enterOpacityNode(QSGOpacityNode *o); |
82 | void leaveOpacityNode(QSGOpacityNode *o); |
83 | void enterGeometryNode(QSGGeometryNode *); |
84 | void leaveGeometryNode(QSGGeometryNode *); |
85 | void enterRenderNode(QSGRenderNode *); |
86 | void leaveRenderNode(QSGRenderNode *); |
87 | |
88 | void visitNode(QSGNode *n); |
89 | void visitChildren(QSGNode *n); |
90 | |
91 | |
92 | QDataBuffer<const QMatrix4x4 *> m_combined_matrix_stack; |
93 | QDataBuffer<qreal> m_opacity_stack; |
94 | const QSGClipNode *m_current_clip; |
95 | |
96 | int m_force_update; |
97 | }; |
98 | |
99 | QT_END_NAMESPACE |
100 | |
101 | #endif |
102 | |