/*
** The OpenGL Extension Wrangler Library
** Copyright (C) 2008-2017, Nigel Stewart <nigels[]users sourceforge net>
** Copyright (C) 2002-2008, Milan Ikits <milan ikits[]ieee org>
** Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org>
** Copyright (C) 2002, Lev Povalahev
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
**
** * Redistributions of source code must retain the above copyright notice,
** this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright notice,
** this list of conditions and the following disclaimer in the documentation
** and/or other materials provided with the distribution.
** * The name of the author may be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
** THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Mesa 3-D graphics library
* Version: 7.0
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
** Copyright (c) 2007 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
#ifndef __glew_h__
#define __glew_h__
#define __GLEW_H__
#if defined(__gl_h_) || defined(__GL_H__) || defined(_GL_H) || defined(__X_GL_H)
#error gl.h included before glew.h
#endif
#if defined(__gl2_h_)
#error gl2.h included before glew.h
#endif
#if defined(__gltypes_h_)
#error gltypes.h included before glew.h
#endif
#if defined(__REGAL_H__)
#error Regal.h included before glew.h
#endif
#if defined(__glext_h_) || defined(__GLEXT_H_)
#error glext.h included before glew.h
#endif
#if defined(__gl_ATI_h_)
#error glATI.h included before glew.h
#endif
#include "vtk_glew_mangle.h"
#define __gl_h_
#define __gl2_h_
#define __GL_H__
#define _GL_H
#define __gltypes_h_
#define __REGAL_H__
#define __X_GL_H
#define __glext_h_
#define __GLEXT_H_
#define __gl_ATI_h_
#if defined(_WIN32)
/*
* GLEW does not include <windows.h> to avoid name space pollution.
* GL needs GLAPI and GLAPIENTRY, GLU needs APIENTRY, CALLBACK, and wchar_t
* defined properly.
*/
/* <windef.h> and <gl.h>*/
#ifdef APIENTRY
# ifndef GLAPIENTRY
# define GLAPIENTRY APIENTRY
# endif
# ifndef GLEWAPIENTRY
# define GLEWAPIENTRY APIENTRY
# endif
#else
#define GLEW_APIENTRY_DEFINED
# if defined(__MINGW32__) || defined(__CYGWIN__) || (_MSC_VER >= 800) || defined(_STDCALL_SUPPORTED) || defined(__BORLANDC__)
# define APIENTRY __stdcall
# ifndef GLAPIENTRY
# define GLAPIENTRY __stdcall
# endif
# ifndef GLEWAPIENTRY
# define GLEWAPIENTRY __stdcall
# endif
# else
# define APIENTRY
# endif
#endif
#ifndef GLAPI
# if defined(__MINGW32__) || defined(__CYGWIN__)
# define GLAPI extern
# endif
#endif
/* <winnt.h> */
#ifndef CALLBACK
#define GLEW_CALLBACK_DEFINED
# if defined(__MINGW32__) || defined(__CYGWIN__)
# define CALLBACK __attribute__ ((__stdcall__))
# elif (defined(_M_MRX000) || defined(_M_IX86) || defined(_M_ALPHA) || defined(_M_PPC)) && !defined(MIDL_PASS)
# define CALLBACK __stdcall
# else
# define CALLBACK
# endif
#endif
/* <wingdi.h> and <winnt.h> */
#ifndef WINGDIAPI
#define GLEW_WINGDIAPI_DEFINED
#define WINGDIAPI __declspec(dllimport)
#endif
/* <ctype.h> */
#if (defined(_MSC_VER) || defined(__BORLANDC__)) && !defined(_WCHAR_T_DEFINED)
typedef unsigned short wchar_t;
# define _WCHAR_T_DEFINED
#endif
/* <stddef.h> */
#if !defined(_W64)
# if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && defined(_MSC_VER) && _MSC_VER >= 1300
# define _W64 __w64
# else
# define _W64
# endif
#endif
#if !defined(_PTRDIFF_T_DEFINED) && !defined(_PTRDIFF_T_) && !defined(__MINGW64__)
# ifdef _WIN64
typedef __int64 ptrdiff_t;
# else
typedef _W64 int ptrdiff_t;
# endif
# define _PTRDIFF_T_DEFINED
# define _PTRDIFF_T_
#endif
#ifndef GLAPI
# if defined(__MINGW32__) || defined(__CYGWIN__)
# define GLAPI extern
# else
# define GLAPI WINGDIAPI
# endif
#endif
/*
* GLEW_STATIC is defined for static library.
* GLEW_BUILD is defined for building the DLL library.
*/
#ifdef GLEW_STATIC
# define GLEWAPI extern
#else
# ifdef GLEW_BUILD
# define GLEWAPI extern __declspec(dllexport)
# else
# define GLEWAPI extern __declspec(dllimport)
# endif
#endif
#else /* _UNIX */
/*
* Needed for ptrdiff_t in turn needed by VBO. This is defined by ISO
* C. On my system, this amounts to _3 lines_ of included code, all of
* them pretty much harmless. If you know of a way of detecting 32 vs
* 64 _targets_ at compile time you are free to replace this with
* something that's portable. For now, _this_ is the portable solution.
* (mem, 2004-01-04)
*/
#include <stddef.h>
/* SGI MIPSPro doesn't like stdint.h in C++ mode */
/* ID: 3376260 Solaris 9 has inttypes.h, but not stdint.h */
#if (defined(__sgi) || defined(__sun)) && !defined(__GNUC__)
#include <inttypes.h>
#else
#include <stdint.h>
#endif
#define GLEW_APIENTRY_DEFINED
#define APIENTRY
/*
* GLEW_STATIC is defined for static library.
*/
#ifdef GLEW_ST