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glext_include.hh
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1 //------------------------------------------------------------------------------
2 // This file is part of the OpenStructure project <www.openstructure.org>
3 //
4 // Copyright (C) 2008-2020 by the OpenStructure authors
5 //
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License as published by the Free
8 // Software Foundation; either version 3.0 of the License, or (at your option)
9 // any later version.
10 // This library is distributed in the hope that it will be useful, but WITHOUT
11 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
13 // details.
14 //
15 // You should have received a copy of the GNU Lesser General Public License
16 // along with this library; if not, write to the Free Software Foundation, Inc.,
17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 //------------------------------------------------------------------------------
19 #ifndef OST_GFX_GLEXT_INCLUDE_HH
20 #define OST_GFX_GLEXT_INCLUDE_HH
21 
22 /*
23  wrapper for GLEW on platforms that do not define the extension symbols in
24  gl.h
25 
26  Author: Marco Biasini
27  */
28 
29 #include <ost/config.hh>
30 
31 #if OST_SHADER_SUPPORT_ENABLED
32 # if OST_MODULE==OST_GFX
33 # define GLEW_BUILD
34 # endif
35 # if !defined(__APPLE__)
36 # include <ost/gfx/GL/glew.h>
37 # endif
38 # if defined(_MSC_VER)
39 # include <ost/gfx/GL/wglew.h>
40 # endif
41 #endif
42 
43 #include <ost/gfx/gl_include.hh>
44 
45 #if defined(__APPLE__)
46 // On all macOS version we support, OpenGL 2.0 is available, so it's safe to
47 // hardcode the value here...
48 //same for windows vista and above, XP only has 1.1
49 #define OST_GL_VERSION_2_0 1
50 #else
51 #ifdef GLEW_VERSION_2_0
52 #define OST_GL_VERSION_2_0 1
53 #endif
54 #endif
55 #endif
56