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/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Data Visualization module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtDataVisualization API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef VERTEXINDEXER_P_H
#define VERTEXINDEXER_P_H
#include "datavisualizationglobal_p.h"
#include <QtCore/QVector>
#include <QtGui/QVector2D>
QT_BEGIN_NAMESPACE_DATAVISUALIZATION
class VertexIndexer
{
public:
struct PackedVertex {
QVector3D position;
QVector2D uv;
QVector3D normal;
bool operator<(const PackedVertex that) const {
return memcmp((void*)this, (void*)&that, sizeof(PackedVertex)) > 0;
}
};
static void indexVBO(const QVector<QVector3D> &in_vertices,
const QVector<QVector2D> &in_uvs,
const QVector<QVector3D> &in_normals,
QVector<GLuint> &out_indices,
QVector<QVector3D> &out_vertices,
QVector<QVector2D> &out_uvs,
QVector<QVector3D> &out_normals);
private:
static bool getSimilarVertexIndex_fast(const PackedVertex &packed,
QMap<PackedVertex, GLuint> &VertexToOutIndex,
GLuint &result);
};
QT_END_NAMESPACE_DATAVISUALIZATION
#endif
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