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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#include <Qt3DRender/qmesh.h>
58
59QT_BEGIN_NAMESPACE
60
61namespace Qt3DRender {
62namespace RayCasting {
63class QBoundingVolume;
64}
65
66namespace Render {
67
68class GeometryRendererManager;
69
70struct GeometryFunctorResult
71{
72 QGeometry *geometry;
73 QMesh::Status status;
74};
75
76class Q_3DRENDERSHARED_PRIVATE_EXPORT GeometryRenderer : public BackendNode
77{
78public:
79 GeometryRenderer();
80 ~GeometryRenderer();
81
82 void cleanup();
83 void setManager(GeometryRendererManager *manager);
84 void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;
85 GeometryFunctorResult executeFunctor();
86
87 inline Qt3DCore::QNodeId geometryId() const { return m_geometryId; }
88 inline int instanceCount() const { return m_instanceCount; }
89 inline int vertexCount() const { return m_vertexCount; }
90 inline int indexOffset() const { return m_indexOffset; }
91 inline int firstInstance() const { return m_firstInstance; }
92 inline int firstVertex() const { return m_firstVertex; }
93 inline int indexBufferByteOffset() const { return m_indexBufferByteOffset; }
94 inline int restartIndexValue() const { return m_restartIndexValue; }
95 inline int verticesPerPatch() const { return m_verticesPerPatch; }
96 inline bool primitiveRestartEnabled() const { return m_primitiveRestartEnabled; }
97 inline QGeometryRenderer::PrimitiveType primitiveType() const { return m_primitiveType; }
98 inline bool isDirty() const { return m_dirty; }
99 inline QGeometryFactoryPtr geometryFactory() const { return m_geometryFactory; }
100 void unsetDirty();
101
102 // Build triangle data Job thread
103 void setTriangleVolumes(const QVector<RayCasting::QBoundingVolume *> &volumes);
104 // Pick volumes job
105 QVector<RayCasting::QBoundingVolume *> triangleData() const;
106
107 float sortIndex() const { return m_sortIndex; }
108
109private:
110 Qt3DCore::QNodeId m_geometryId;
111 int m_instanceCount;
112 int m_vertexCount;
113 int m_indexOffset;
114 int m_firstInstance;
115 int m_firstVertex;
116 int m_indexBufferByteOffset;
117 int m_restartIndexValue;
118 int m_verticesPerPatch;
119 bool m_primitiveRestartEnabled;
120 QGeometryRenderer::PrimitiveType m_primitiveType;
121 bool m_dirty;
122 QGeometryFactoryPtr m_geometryFactory;
123 GeometryRendererManager *m_manager;
124 QVector<RayCasting::QBoundingVolume *> m_triangleVolumes;
125 float m_sortIndex;
126};
127
128class GeometryRendererFunctor : public Qt3DCore::QBackendNodeMapper
129{
130public:
131 explicit GeometryRendererFunctor(AbstractRenderer *renderer, GeometryRendererManager *manager);
132 Qt3DCore::QBackendNode *create(const Qt3DCore::QNodeCreatedChangeBasePtr &change) const override;
133 Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const override;
134 void destroy(Qt3DCore::QNodeId id) const override;
135private:
136 GeometryRendererManager *m_manager;
137 AbstractRenderer *m_renderer;
138};
139
140} // namespace Render
141
142} // namespace Qt3DRender
143
144QT_END_NAMESPACE
145
146#endif // QT3DRENDER_RENDER_RENDERGEOMETRYRENDERER_H
147

source code of qt3d/src/render/geometry/geometryrenderer_p.h