Qt Reference Documentation

gltrianglemesh.h Example File

demos/boxes/gltrianglemesh.h
 /****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of the demonstration applications of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** 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 Technology Preview License Agreement accompanying
 ** this package.
 **
 ** GNU Lesser General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU Lesser
 ** General Public License version 2.1 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.LGPL included in the
 ** packaging of this file.  Please review the following information to
 ** ensure the GNU Lesser General Public License version 2.1 requirements
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** In addition, as a special exception, Nokia gives you certain additional
 ** rights.  These rights are described in the Nokia Qt LGPL Exception
 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at [email protected].
 **
 **
 **
 **
 **
 **
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #ifndef GLTRIANGLEMESH_H
 #define GLTRIANGLEMESH_H

 //#include <GL/glew.h>
 #include "glextensions.h"

 #include <QtGui>
 #include <QtOpenGL>

 #include "glbuffers.h"

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

     virtual ~GLTriangleMesh()
     {
     }

     virtual void draw()
     {
         if (failed())
             return;

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

         m_vb.bind();
         m_ib.bind();
         glDrawElements(GL_TRIANGLES, m_ib.length(), type, BUFFER_OFFSET(0));
         m_vb.unbind();
         m_ib.unbind();
     }

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

 #endif
X

Thank you for giving your feedback.

Make sure it is related to this specific page. For more general bugs and requests, please use the Qt Bug Tracker.