48e0c4df23
Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/contact-us.
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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, Digia gives you certain additional
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** rights. These rights are described in the Digia 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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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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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 <QtWidgets>
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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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