| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB). | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the Qt3D module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
| 11 | ** accordance with the commercial license agreement provided with the | 
| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** GNU Lesser General Public License Usage | 
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
| 19 | ** General Public License version 3 as published by the Free Software | 
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
| 21 | ** packaging of this file. Please review the following information to | 
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | 
| 24 | ** | 
| 25 | ** GNU General Public License Usage | 
| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
| 29 | ** Qt Foundation. The licenses are as published by the Free Software | 
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
| 31 | ** included in the packaging of this file. Please review the following | 
| 32 | ** information to ensure the GNU General Public License requirements will | 
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
| 35 | ** | 
| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #ifndef SCENE3DVIEW_P_H | 
| 41 | #define SCENE3DVIEW_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 <QtQuick/QQuickItem> | 
| 55 | #include <QtCore/QFlags> | 
| 56 | #include <QtCore/QPointer> | 
| 57 |  | 
| 58 | QT_BEGIN_NAMESPACE | 
| 59 |  | 
| 60 | class QSGTexture; | 
| 61 |  | 
| 62 | namespace Qt3DCore { | 
| 63 | class QEntity; | 
| 64 | class QNode; | 
| 65 | } | 
| 66 |  | 
| 67 | namespace Qt3DRender { | 
| 68 |  | 
| 69 | class QLayer; | 
| 70 | class QLayerFilter; | 
| 71 | class Scene3DItem; | 
| 72 | class QFrameGraphNode; | 
| 73 | class QViewport; | 
| 74 |  | 
| 75 | class Scene3DView : public QQuickItem | 
| 76 | { | 
| 77 |     Q_OBJECT | 
| 78 |     Q_PROPERTY(Qt3DCore::QEntity* entity READ entity WRITE setEntity NOTIFY entityChanged) | 
| 79 |     Q_PROPERTY(Qt3DRender::Scene3DItem *scene3D READ scene3D WRITE setScene3D NOTIFY scene3DChanged) | 
| 80 |     Q_PROPERTY(bool ownsEntity READ ownsEntity WRITE setOwnsEntity NOTIFY ownsEntityChanged) | 
| 81 |     Q_CLASSINFO("DefaultProperty" , "entity" ) | 
| 82 |  | 
| 83 | public: | 
| 84 |     enum DirtyFlag { | 
| 85 |         DirtyNode = 1 << 0, | 
| 86 |         DirtyTexture = 1 << 1 | 
| 87 |     }; | 
| 88 |     Q_DECLARE_FLAGS(DirtyFlags, DirtyFlag) | 
| 89 |  | 
| 90 |     explicit Scene3DView(QQuickItem *parent = nullptr); | 
| 91 |     ~Scene3DView(); | 
| 92 |  | 
| 93 |     Qt3DCore::QEntity *entity() const; | 
| 94 |     Scene3DItem *scene3D() const; | 
| 95 |  | 
| 96 |     Qt3DCore::QEntity *viewSubtree() const; | 
| 97 |     Qt3DRender::QFrameGraphNode *viewFrameGraph() const; | 
| 98 |  | 
| 99 |     void setTexture(QSGTexture *texture); | 
| 100 |     QSGTexture *texture() const; | 
| 101 |  | 
| 102 |     bool ownsEntity() const; | 
| 103 |  | 
| 104 |     void markSGNodeDirty(); | 
| 105 |  | 
| 106 | public Q_SLOTS: | 
| 107 |     void setEntity(Qt3DCore::QEntity *entity); | 
| 108 |     void setScene3D(Scene3DItem *scene3D); | 
| 109 |     void setOwnsEntity(bool ownsEntity); | 
| 110 |  | 
| 111 | Q_SIGNALS: | 
| 112 |     void entityChanged(); | 
| 113 |     void scene3DChanged(); | 
| 114 |     void ownsEntityChanged(); | 
| 115 |  | 
| 116 | private: | 
| 117 |     QSGNode *updatePaintNode(QSGNode *node, UpdatePaintNodeData *nodeData) override; | 
| 118 |     void adoptSubtree(Qt3DCore::QEntity *subtree); | 
| 119 |     void abandonSubtree(Qt3DCore::QEntity *subtree); | 
| 120 |  | 
| 121 |     Scene3DItem *m_scene3D; | 
| 122 |     QPointer<Qt3DCore::QEntity> m_entity; | 
| 123 |     Qt3DCore::QNode *m_previousFGParent; | 
| 124 |  | 
| 125 |     Qt3DCore::QEntity *m_holderEntity; | 
| 126 |     Qt3DRender::QLayer *m_holderLayer; | 
| 127 |     Qt3DRender::QLayerFilter *m_holderLayerFilter; | 
| 128 |     Qt3DRender::QViewport *m_holderViewport; | 
| 129 |  | 
| 130 |     QMetaObject::Connection m_scene3DDestroyedConnection; | 
| 131 |  | 
| 132 |     DirtyFlags m_dirtyFlags; | 
| 133 |     QSGTexture *m_texture; | 
| 134 |     bool m_ownsEntity; | 
| 135 | }; | 
| 136 |  | 
| 137 | Q_DECLARE_OPERATORS_FOR_FLAGS(Scene3DView::DirtyFlags) | 
| 138 |  | 
| 139 |  | 
| 140 | } // Qt3DRender | 
| 141 |  | 
| 142 | QT_END_NAMESPACE | 
| 143 |  | 
| 144 | #endif // SCENE3DVIEW_P_H | 
| 145 |  |