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39
40#ifndef QT3DRENDER_QGEOMETRYRENDERER_H
41#define QT3DRENDER_QGEOMETRYRENDERER_H
42
43#include <Qt3DCore/qcomponent.h>
44#include <Qt3DRender/qgeometry.h>
45#include <Qt3DRender/qt3drender_global.h>
46
47QT_BEGIN_NAMESPACE
48
49namespace Qt3DRender {
50
51class QGeometryRendererPrivate;
52class QGeometryFactory;
53
54typedef QSharedPointer<QGeometryFactory> QGeometryFactoryPtr;
55
56class Q_3DRENDERSHARED_EXPORT QGeometryRenderer : public Qt3DCore::QComponent
57{
58 Q_OBJECT
59 Q_PROPERTY(int instanceCount READ instanceCount WRITE setInstanceCount NOTIFY instanceCountChanged)
60 Q_PROPERTY(int vertexCount READ vertexCount WRITE setVertexCount NOTIFY vertexCountChanged)
61 Q_PROPERTY(int indexOffset READ indexOffset WRITE setIndexOffset NOTIFY indexOffsetChanged)
62 Q_PROPERTY(int firstInstance READ firstInstance WRITE setFirstInstance NOTIFY firstInstanceChanged)
63 Q_PROPERTY(int firstVertex READ firstVertex WRITE setFirstVertex NOTIFY firstVertexChanged)
64 Q_PROPERTY(int indexBufferByteOffset READ indexBufferByteOffset WRITE setIndexBufferByteOffset NOTIFY indexBufferByteOffsetChanged)
65 Q_PROPERTY(int restartIndexValue READ restartIndexValue WRITE setRestartIndexValue NOTIFY restartIndexValueChanged)
66 Q_PROPERTY(int verticesPerPatch READ verticesPerPatch WRITE setVerticesPerPatch NOTIFY verticesPerPatchChanged)
67 Q_PROPERTY(bool primitiveRestartEnabled READ primitiveRestartEnabled WRITE setPrimitiveRestartEnabled NOTIFY primitiveRestartEnabledChanged)
68 Q_PROPERTY(Qt3DRender::QGeometry* geometry READ geometry WRITE setGeometry NOTIFY geometryChanged)
69 Q_PROPERTY(PrimitiveType primitiveType READ primitiveType WRITE setPrimitiveType NOTIFY primitiveTypeChanged)
70
71public:
72 explicit QGeometryRenderer(Qt3DCore::QNode *parent = nullptr);
73 ~QGeometryRenderer();
74
75 enum PrimitiveType {
76 Points = 0x0000,
77 Lines = 0x0001,
78 LineLoop = 0x0002,
79 LineStrip = 0x0003,
80 Triangles = 0x0004,
81 TriangleStrip = 0x0005,
82 TriangleFan = 0x0006,
83 LinesAdjacency = 0x000A,
84 TrianglesAdjacency = 0x000C,
85 LineStripAdjacency = 0x000B,
86 TriangleStripAdjacency = 0x000D,
87 Patches = 0x000E
88 };
89 Q_ENUM(PrimitiveType) // LCOV_EXCL_LINE
90
91 // how to figure out index count and all the fancy stuff that QMeshData provides for us?
92 // also how to figure out which attribute(s?) hold the indices?
93
94 int instanceCount() const;
95 int vertexCount() const;
96 int indexOffset() const;
97 int firstInstance() const;
98 int firstVertex() const;
99 int indexBufferByteOffset() const;
100 int restartIndexValue() const;
101 int verticesPerPatch() const;
102 bool primitiveRestartEnabled() const;
103 QGeometry *geometry() const;
104 PrimitiveType primitiveType() const;
105
106 QGeometryFactoryPtr geometryFactory() const;
107 void setGeometryFactory(const QGeometryFactoryPtr &factory);
108
109public Q_SLOTS:
110 void setInstanceCount(int instanceCount);
111 void setVertexCount(int vertexCount);
112 void setIndexOffset(int indexOffset);
113 void setFirstInstance(int firstInstance);
114 void setFirstVertex(int firstVertex);
115 void setIndexBufferByteOffset(int offset);
116 void setRestartIndexValue(int index);
117 void setVerticesPerPatch(int verticesPerPatch);
118 void setPrimitiveRestartEnabled(bool enabled);
119 void setGeometry(QGeometry *geometry);
120 void setPrimitiveType(PrimitiveType primitiveType);
121
122Q_SIGNALS:
123 void instanceCountChanged(int instanceCount);
124 void vertexCountChanged(int vertexCount);
125 void indexOffsetChanged(int indexOffset);
126 void firstInstanceChanged(int firstInstance);
127 void firstVertexChanged(int firstVertex);
128 void indexBufferByteOffsetChanged(int offset);
129 void restartIndexValueChanged(int restartIndexValue);
130 void verticesPerPatchChanged(int verticesPerPatch);
131 void primitiveRestartEnabledChanged(bool primitiveRestartEnabled);
132 void geometryChanged(QGeometry *geometry);
133 void primitiveTypeChanged(PrimitiveType primitiveType);
134
135protected:
136 explicit QGeometryRenderer(QGeometryRendererPrivate &dd, Qt3DCore::QNode *parent = nullptr);
137 void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &change) override;
138
139private:
140 Q_DECLARE_PRIVATE(QGeometryRenderer)
141 Qt3DCore::QNodeCreatedChangeBasePtr createNodeCreationChange() const override;
142};
143
144} // namespace Qt3DRender
145
146QT_END_NAMESPACE
147
148#endif // QT3DRENDER_QGEOMETRYRENDERER_H
149