92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the demonstration applications of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef GLTRIANGLEMESH_H
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#define GLTRIANGLEMESH_H
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//#include <GL/glew.h>
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#include "glextensions.h"
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#include <QtGui>
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#include <QtOpenGL>
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#include "glbuffers.h"
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template<class TVertex, class TIndex>
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class GLTriangleMesh
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{
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public:
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GLTriangleMesh(int vertexCount, int indexCount) : m_vb(vertexCount), m_ib(indexCount)
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{
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}
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virtual ~GLTriangleMesh()
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{
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}
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virtual void draw()
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{
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if (failed())
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return;
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int type = GL_UNSIGNED_INT;
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if (sizeof(TIndex) == sizeof(char)) type = GL_UNSIGNED_BYTE;
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if (sizeof(TIndex) == sizeof(short)) type = GL_UNSIGNED_SHORT;
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m_vb.bind();
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m_ib.bind();
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glDrawElements(GL_TRIANGLES, m_ib.length(), type, BUFFER_OFFSET(0));
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m_vb.unbind();
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m_ib.unbind();
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}
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bool failed()
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{
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return m_vb.failed() || m_ib.failed();
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}
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protected:
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GLVertexBuffer<TVertex> m_vb;
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GLIndexBuffer<TIndex> m_ib;
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};
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#endif
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