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39
40#ifndef QT3DRENDER_RENDER_TRIANGLESVISITOR_P_H
41#define QT3DRENDER_RENDER_TRIANGLESVISITOR_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 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 <Qt3DCore/qnodeid.h>
55#include <Qt3DRender/QAttribute>
56#include <Qt3DRender/private/bufferutils_p.h>
57#include <Qt3DCore/private/vector3d_p.h>
58#include <Qt3DCore/private/vector4d_p.h>
59
60#include <private/qt3drender_global_p.h>
61
62QT_BEGIN_NAMESPACE
63
64namespace Qt3DCore {
65class QEntity;
66}
67
68namespace Qt3DRender {
69
70namespace Render {
71
72class GeometryRenderer;
73class NodeManagers;
74class Attribute;
75class Buffer;
76
77class Q_AUTOTEST_EXPORT TrianglesVisitor
78{
79public:
80 explicit TrianglesVisitor(NodeManagers *manager) : m_manager(manager) { }
81 virtual ~TrianglesVisitor();
82
83 void apply(const Qt3DCore::QEntity *entity);
84 void apply(const GeometryRenderer *renderer, const Qt3DCore::QNodeId id);
85
86 virtual void visit(uint andx, const Vector3D &a,
87 uint bndx, const Vector3D &b,
88 uint cndx, const Vector3D &c) = 0;
89
90protected:
91 NodeManagers *m_manager;
92 Qt3DCore::QNodeId m_nodeId;
93};
94
95class Q_3DRENDERSHARED_PRIVATE_EXPORT CoordinateReader
96{
97public:
98 explicit CoordinateReader(NodeManagers *manager)
99 : m_manager(manager)
100 , m_attribute(nullptr)
101 , m_buffer(nullptr)
102 {
103 }
104
105 bool setGeometry(const GeometryRenderer *renderer, const QString &attributeName);
106
107 Vector4D getCoordinate(uint vertexIndex);
108
109protected:
110 NodeManagers *m_manager;
111 Attribute *m_attribute;
112 Buffer *m_buffer;
113 BufferInfo m_bufferInfo;
114};
115
116} // namespace Render
117
118} // namespace Qt3DRender
119
120QT_END_NAMESPACE
121
122
123#endif // QT3DRENDER_RENDER_TRIANGLESVISITOR_P_H
124

source code of qt3d/src/render/backend/trianglesvisitor_p.h