| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | // |
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| 5 | // W A R N I N G |
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| 6 | // ------------- |
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| 7 | // |
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| 8 | // This file is not part of the QtDataVisualization API. It exists purely as an |
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| 9 | // implementation detail. This header file may change from version to |
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| 10 | // version without notice, or even be removed. |
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| 11 | // |
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| 12 | // We mean it. |
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| 13 | |
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| 14 | #ifndef VERTEXINDEXER_P_H |
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| 15 | #define VERTEXINDEXER_P_H |
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| 16 | |
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| 17 | #include "datavisualizationglobal_p.h" |
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| 18 | |
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| 19 | #include <QtCore/QList> |
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| 20 | #include <QtGui/QVector2D> |
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| 21 | |
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| 22 | QT_BEGIN_NAMESPACE |
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| 23 | |
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| 24 | class VertexIndexer |
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| 25 | { |
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| 26 | public: |
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| 27 | struct PackedVertex { |
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| 28 | QVector3D position; |
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| 29 | QVector2D uv; |
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| 30 | QVector3D normal; |
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| 31 | bool operator<(const PackedVertex that) const { |
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| 32 | return memcmp(s1: (void*)this, s2: (void*)&that, n: sizeof(PackedVertex)) > 0; |
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| 33 | } |
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| 34 | }; |
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| 35 | |
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| 36 | static void indexVBO(const QList<QVector3D> &in_vertices, const QList<QVector2D> &in_uvs, |
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| 37 | const QList<QVector3D> &in_normals, QList<GLuint> &out_indices, |
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| 38 | QList<QVector3D> &out_vertices, QList<QVector2D> &out_uvs, |
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| 39 | QList<QVector3D> &out_normals); |
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| 40 | |
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| 41 | private: |
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| 42 | static bool getSimilarVertexIndex_fast(const PackedVertex &packed, |
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| 43 | QMap<PackedVertex, GLuint> &VertexToOutIndex, |
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| 44 | GLuint &result); |
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| 45 | }; |
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| 46 | |
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| 47 | QT_END_NAMESPACE |
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| 48 | |
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| 49 | #endif |
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| 50 | |
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