#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

#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_STATIC
#  define GLEWAPI extern
#else
#  if defined(__GNUC__) && __GNUC__>=4
#   define GLEWAPI extern __attribute__ ((visibility("default")))
#  elif defined(__SUNPRO_C) || defined(__SUNPRO_CC)
#   define GLEWAPI extern __global
#  else
#   define GLEWAPI extern
#  endif
#endif

/* <glu.h> */
#ifndef GLAPI
#define GLAPI extern
#endif

#endif /* _WIN32 */

#ifndef GLAPIENTRY
#define GLAPIENTRY
#endif

#ifndef GLEWAPIENTRY
#define GLEWAPIENTRY
#endif

#define GLEW_VAR_EXPORT GLEWAPI
#define GLEW_FUN_EXPORT GLEWAPI

#ifdef __cplusplus
extern "C" {
#endif

/* ----------------------------- GL_VERSION_1_0 ---------------------------- */

#ifndef GL_VERSION_1_0
#define GL_VERSION_1_0 1

typedef unsigned int GLenum;
typedef unsigned int GLbitfield;
typedef unsigned int GLuint;
typedef int GLint;
typedef int GLsizei;
typedef unsigned char GLboolean;
typedef signed char GLbyte;
typedef short GLshort;
typedef unsigned char GLubyte;
typedef unsigned short GLushort;
typedef unsigned long GLulong;
typedef float GLfloat;
typedef float GLclampf;
typedef double GLdouble;
typedef double GLclampd;
typedef void GLvoid;
#if defined(_MSC_VER) && _MSC_VER < 1400
typedef __int64 GLint64EXT;
typedef unsigned __int64 GLuint64EXT;
#elif defined(_MSC_VER) || defined(__BORLANDC__)
typedef signed long long GLint64EXT;
typedef unsigned long long GLuint64EXT;
#else
#  if defined(__MINGW32__) || defined(__CYGWIN__)
#include <inttypes.h>
#  endif
typedef int64_t GLint64EXT;
typedef uint64_t GLuint64EXT;
#endif
typedef GLint64EXT  GLint64;
typedef GLuint64EXT GLuint64;
typedef struct __GLsync *GLsync;

typedef char GLchar;

#endif /* GL_VERSION_1_0 */

/* ---------------------------------- GLU ---------------------------------- */

#ifndef GLEW_NO_GLU
#  ifdef __APPLE__
#    include <Availability.h>
#    if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
#      define GLEW_NO_GLU
#    endif
#  endif
#endif

#ifndef GLEW_NO_GLU
/* this is where we can safely include GLU */
#  if defined(__APPLE__) && defined(__MACH__)
#    include <OpenGL/glu.h>
#  else
#    include <GL/glu.h>
#  endif
#endif