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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
** This file is part of the demonstration applications of the Qt Toolkit.
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file.  Please review the following information
** to ensure GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
** Qt for Windows(R) Licensees
** As a special exception, Nokia, as the sole copyright holder for Qt
** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
** provided by Qt Designer and its related libraries.
** If you are unsure which license is appropriate for your use, please
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//#include <GL/glew.h>
#include "glextensions.h"

#include <QtGui>
#include <QtOpenGL>

#include "glbuffers.h"

template<class TVertex, class TIndex>
class GLTriangleMesh
    GLTriangleMesh(int vertexCount, int indexCount) : m_vb(vertexCount), m_ib(indexCount)

    virtual ~GLTriangleMesh()

    virtual void draw()
        if (failed())

        int type = GL_UNSIGNED_INT;
        if (sizeof(TIndex) == sizeof(char)) type = GL_UNSIGNED_BYTE;
        if (sizeof(TIndex) == sizeof(short)) type = GL_UNSIGNED_SHORT;

        glDrawElements(GL_TRIANGLES, m_ib.length(), type, BUFFER_OFFSET(0));

    bool failed()
        return m_vb.failed() || m_ib.failed();
    GLVertexBuffer<TVertex> m_vb;
    GLIndexBuffer<TIndex> m_ib;


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