mirror of https://github.com/CGAL/cgal
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
// Copyright (c) 2006 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Sylvain Pion
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// Tests if OPEN GL and GLU are available.
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#if defined(_MSC_VER)
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#include <wtypes.h>
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#include <wingdi.h>
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#endif
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#include <GL/gl.h>
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#include <GL/glu.h>
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#include <iostream>
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// The following global variable is needed otherwise GCC removes the body of
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// the if() blocks which removes its purpose of link check.
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bool execute = false;
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int main()
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{
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if (execute) {
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// This needs an active GL context, so not executed, but serves
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// as a link test.
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(void) glGetString(GL_VERSION);
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(void) gluGetString(GLU_VERSION);
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}
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std::cout << "version=" <<
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#if defined GL_VERSION_2_1
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"2.1"
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#elif defined GL_VERSION_2_0
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"2.0"
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#elif defined GL_VERSION_1_5
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"1.5"
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#elif defined GL_VERSION_1_4
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"1.4"
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#elif defined GL_VERSION_1_3
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"1.3"
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#elif defined GL_VERSION_1_2
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"1.2"
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#elif defined GL_VERSION_1_1
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"1.1"
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#elif defined GL_VERSION_1_0
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"1.0"
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#else
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"unknown"
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#endif
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<< std::endl;
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return 0;
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}
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