Tulip  5.3.0
Large graphs analysis and drawing
OpenGlIncludes.h
1 /*
2  *
3  * This file is part of Tulip (http://tulip.labri.fr)
4  *
5  * Authors: David Auber and the Tulip development Team
6  * from LaBRI, University of Bordeaux
7  *
8  * Tulip is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU Lesser General Public License
10  * as published by the Free Software Foundation, either version 3
11  * of the License, or (at your option) any later version.
12  *
13  * Tulip is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16  * See the GNU General Public License for more details.
17  *
18  */
19 
20 #ifndef Tulip_OPENGL_INCLUDES_H
21 #define Tulip_OPENGL_INCLUDES_H
22 
23 #if defined(_MSC_VER)
24 #include <windows.h>
25 #endif
26 
27 #if defined(__APPLE__)
28 #include <OpenGL/gl.h>
29 #else
30 #include <GL/gl.h>
31 #endif
32 
33 /*Taken from
34  * https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/commit/3d708a5bfa8961cc37671bc3226976dfc9ba50ad*/
35 /* The glext.h guard was renamed in 2018, but some software which
36  * includes their own copy of the GL headers (such as qt (at least version 5.11.3)) might have
37  * older version which use the old guard. This would result in the
38  * header being included again (and symbols redefined).
39  *
40  * To avoid this, we define the "old" guard if the "new" guard is
41  * defined.*/
42 #ifdef __gl_glext_h_
43 #ifndef __glext_h_
44 #define __glext_h_ 1
45 #endif
46 #endif
47 
48 #endif // Tulip_OPENGL_INCLUDES_H