| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QSGNODEUPDATER_P_H |
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| 5 | #define QSGNODEUPDATER_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <private/qtquickglobal_p.h> |
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| 19 | #include <QtGui/private/qdatabuffer_p.h> |
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| 20 | |
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| 21 | QT_BEGIN_NAMESPACE |
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| 22 | |
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| 23 | class QSGNode; |
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| 24 | class QSGTransformNode; |
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| 25 | class QSGClipNode; |
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| 26 | class QSGOpacityNode; |
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| 27 | class QSGGeometryNode; |
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| 28 | class QMatrix4x4; |
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| 29 | class QSGRenderNode; |
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| 30 | |
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| 31 | class Q_QUICK_EXPORT QSGNodeUpdater |
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| 32 | { |
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| 33 | public: |
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| 34 | QSGNodeUpdater(); |
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| 35 | virtual ~QSGNodeUpdater(); |
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| 36 | |
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| 37 | virtual void updateStates(QSGNode *n); |
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| 38 | virtual bool isNodeBlocked(QSGNode *n, QSGNode *root) const; |
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| 39 | |
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| 40 | protected: |
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| 41 | virtual void enterTransformNode(QSGTransformNode *); |
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| 42 | virtual void leaveTransformNode(QSGTransformNode *); |
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| 43 | void enterClipNode(QSGClipNode *c); |
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| 44 | void leaveClipNode(QSGClipNode *c); |
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| 45 | void enterOpacityNode(QSGOpacityNode *o); |
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| 46 | void leaveOpacityNode(QSGOpacityNode *o); |
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| 47 | void enterGeometryNode(QSGGeometryNode *); |
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| 48 | void leaveGeometryNode(QSGGeometryNode *); |
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| 49 | void enterRenderNode(QSGRenderNode *); |
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| 50 | void leaveRenderNode(QSGRenderNode *); |
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| 51 | |
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| 52 | void visitNode(QSGNode *n); |
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| 53 | void visitChildren(QSGNode *n); |
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| 54 | |
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| 55 | |
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| 56 | QDataBuffer<const QMatrix4x4 *> m_combined_matrix_stack; |
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| 57 | QDataBuffer<qreal> m_opacity_stack; |
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| 58 | const QSGClipNode *m_current_clip; |
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| 59 | |
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| 60 | int m_force_update; |
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| 61 | }; |
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| 62 | |
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| 63 | QT_END_NAMESPACE |
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| 64 | |
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| 65 | #endif |
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| 66 | |
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