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29
30//
31// W A R N I N G
32// -------------
33//
34// This file is not part of the QtDataVisualization API. It exists purely as an
35// implementation detail. This header file may change from version to
36// version without notice, or even be removed.
37//
38// We mean it.
39
40#ifndef VERTEXINDEXER_P_H
41#define VERTEXINDEXER_P_H
42
43#include "datavisualizationglobal_p.h"
44
45#include <QtCore/QVector>
46#include <QtGui/QVector2D>
47
48QT_BEGIN_NAMESPACE_DATAVISUALIZATION
49
50class VertexIndexer
51{
52public:
53 struct PackedVertex {
54 QVector3D position;
55 QVector2D uv;
56 QVector3D normal;
57 bool operator<(const PackedVertex that) const {
58 return memcmp(s1: (void*)this, s2: (void*)&that, n: sizeof(PackedVertex)) > 0;
59 }
60 };
61
62 static void indexVBO(const QVector<QVector3D> &in_vertices,
63 const QVector<QVector2D> &in_uvs,
64 const QVector<QVector3D> &in_normals,
65 QVector<GLuint> &out_indices,
66 QVector<QVector3D> &out_vertices,
67 QVector<QVector2D> &out_uvs,
68 QVector<QVector3D> &out_normals);
69
70private:
71 static bool getSimilarVertexIndex_fast(const PackedVertex &packed,
72 QMap<PackedVertex, GLuint> &VertexToOutIndex,
73 GLuint &result);
74};
75
76QT_END_NAMESPACE_DATAVISUALIZATION
77
78#endif
79

source code of qtdatavis3d/src/datavisualization/utils/vertexindexer_p.h