1/****************************************************************************
2**
3** Copyright (C) 2015 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 QT3DRENDER_RENDER_GEOMETRYRENDERER_H
41#define QT3DRENDER_RENDER_GEOMETRYRENDERER_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 for the convenience
48// of other Qt classes. 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 <Qt3DRender/private/backendnode_p.h>
55#include <Qt3DRender/qgeometryrenderer.h>
56#include <Qt3DRender/qgeometryfactory.h>
57
58QT_BEGIN_NAMESPACE
59
60namespace Qt3DRender {
61namespace RayCasting {
62class QBoundingVolume;
63}
64
65namespace Render {
66
67class GeometryRendererManager;
68
69class Q_AUTOTEST_EXPORT GeometryRenderer : public BackendNode
70{
71public:
72 GeometryRenderer();
73 ~GeometryRenderer();
74
75 void cleanup();
76 void setManager(GeometryRendererManager *manager);
77 void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &e) override;
78 void executeFunctor();
79
80 inline Qt3DCore::QNodeId geometryId() const { return m_geometryId; }
81 inline int instanceCount() const { return m_instanceCount; }
82 inline int vertexCount() const { return m_vertexCount; }
83 inline int indexOffset() const { return m_indexOffset; }
84 inline int firstInstance() const { return m_firstInstance; }
85 inline int firstVertex() const { return m_firstVertex; }
86 inline int indexBufferByteOffset() const { return m_indexBufferByteOffset; }
87 inline int restartIndexValue() const { return m_restartIndexValue; }
88 inline int verticesPerPatch() const { return m_verticesPerPatch; }
89 inline bool primitiveRestartEnabled() const { return m_primitiveRestartEnabled; }
90 inline QGeometryRenderer::PrimitiveType primitiveType() const { return m_primitiveType; }
91 inline bool isDirty() const { return m_dirty; }
92 inline QGeometryFactoryPtr geometryFactory() const { return m_geometryFactory; }
93 void unsetDirty();
94
95 // Build triangle data Job thread
96 void setTriangleVolumes(const QVector<RayCasting::QBoundingVolume *> &volumes);
97 // Pick volumes job
98 QVector<RayCasting::QBoundingVolume *> triangleData() const;
99
100private:
101 void initializeFromPeer(const Qt3DCore::QNodeCreatedChangeBasePtr &change) final;
102
103 Qt3DCore::QNodeId m_geometryId;
104 int m_instanceCount;
105 int m_vertexCount;
106 int m_indexOffset;
107 int m_firstInstance;
108 int m_firstVertex;
109 int m_indexBufferByteOffset;
110 int m_restartIndexValue;
111 int m_verticesPerPatch;
112 bool m_primitiveRestartEnabled;
113 QGeometryRenderer::PrimitiveType m_primitiveType;
114 bool m_dirty;
115 QGeometryFactoryPtr m_geometryFactory;
116 GeometryRendererManager *m_manager;
117 QVector<RayCasting::QBoundingVolume *> m_triangleVolumes;
118};
119
120class GeometryRendererFunctor : public Qt3DCore::QBackendNodeMapper
121{
122public:
123 explicit GeometryRendererFunctor(AbstractRenderer *renderer, GeometryRendererManager *manager);
124 Qt3DCore::QBackendNode *create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const override;
125 Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const override;
126 void destroy(Qt3DCore::QNodeId id) const override;
127private:
128 GeometryRendererManager *m_manager;
129 AbstractRenderer *m_renderer;
130};
131
132} // namespace Render
133
134} // namespace Qt3DRender
135
136QT_END_NAMESPACE
137
138#endif // QT3DRENDER_RENDER_RENDERGEOMETRYRENDERER_H
139