82 lines
2.3 KiB
Plaintext
82 lines
2.3 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSG_GL
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#define OSG_GL 1
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#ifndef WIN32
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// non windows, doesn't require nonsense as seen below :-)
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#ifndef __gl_h_
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#ifdef __DARWIN_OSX__
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#include <OpenGL/gl.h>
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#else
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#include <GL/gl.h>
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#endif
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#endif
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// required for compatibility with glext.h sytle function definitions of
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// OpenGL extensions, such as in src/osg/Point.cpp.
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#ifndef APIENTRY
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#define APIENTRY
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#endif
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#else // WIN32
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#if defined(__CYGWIN__) || defined(__MINGW32__)
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#ifndef APIENTRY
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#define GLUT_APIENTRY_DEFINED
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#define APIENTRY __stdcall
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#endif
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// XXX This is from Win32's <winnt.h>
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#ifndef CALLBACK
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#define CALLBACK __stdcall
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#endif
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#else // ! __CYGWIN__
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// Under windows avoid including <windows.h>
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// to avoid name space pollution, but Win32's <GL/gl.h>
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// needs APIENTRY and WINGDIAPI defined properly.
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// XXX This is from Win32's <windef.h>
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#ifndef APIENTRY
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#define GLUT_APIENTRY_DEFINED
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#if (_MSC_VER >= 800) || defined(_STDCALL_SUPPORTED)
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#define APIENTRY __stdcall
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#else
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#define APIENTRY
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#endif
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#endif
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// XXX This is from Win32's <winnt.h>
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#ifndef CALLBACK
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#if (defined(_M_MRX000) || defined(_M_IX86) || defined(_M_ALPHA) || defined(_M_PPC)) && !defined(MIDL_PASS)
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#define CALLBACK __stdcall
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#else
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#define CALLBACK
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#endif
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#endif
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#endif // __CYGWIN__
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// XXX This is from Win32's <wingdi.h> and <winnt.h>
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#ifndef WINGDIAPI
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#define GLUT_WINGDIAPI_DEFINED
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#define WINGDIAPI __declspec(dllimport)
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#endif
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// XXX This is from Win32's <ctype.h>
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#ifndef _WCHAR_T_DEFINED
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typedef unsigned short wchar_t;
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#define _WCHAR_T_DEFINED
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#endif
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#ifndef __gl_h_
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#include <GL/gl.h>
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#endif
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#endif // WIN32
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#endif // __osgGL_h
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