/*
** Copyright (c) 2013-2015 The Khronos Group Inc.
** SPDX-License-Identifier: MIT
*/

#if defined(_WIN32) && !defined(APIENTRY) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN 1
#endif
#include <windows.h>
#endif

#ifndef APIENTRY
#define APIENTRY
#endif
#ifndef APIENTRYP
#define APIENTRYP APIENTRY*
#endif
#ifndef GLAPI
#define GLAPI extern
#endif

/*
 * Datatypes
 */
#include <stddef.h>
typedef unsigned int GLenum;
typedef unsigned char GLboolean;
typedef unsigned int GLbitfield;
typedef void GLvoid;
typedef signed char GLbyte;      /* 1-byte signed */
typedef short GLshort;           /* 2-byte signed */
typedef int GLint;               /* 4-byte signed */
typedef unsigned char GLubyte;   /* 1-byte unsigned */
typedef unsigned short GLushort; /* 2-byte unsigned */
typedef unsigned int GLuint;     /* 4-byte unsigned */
typedef int GLsizei;             /* 4-byte signed */
typedef float GLfloat;           /* single precision float */
typedef float GLclampf;          /* single precision float in [0,1] */
typedef double GLdouble;         /* double precision float */
typedef double GLclampd;         /* double precision float in [0,1] */
typedef char GLchar;
typedef unsigned short GLhalf;
typedef ptrdiff_t GLsizeiptr;
typedef ptrdiff_t GLintptr;

typedef struct __GLsync* GLsync;
#ifndef GLEXT_64_TYPES_DEFINED
/* This code block is duplicated in glxext.h, so must be protected */
#define GLEXT_64_TYPES_DEFINED
/* Define int32_t, int64_t, and uint64_t types for UST/MSC */
/* (as used in the GL_EXT_timer_query extension). */
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#include <inttypes.h>
#elif defined(__sun__) || defined(__digital__)
#include <inttypes.h>
#if defined(__STDC__)
#if defined(__arch64__) || defined(_LP64)
typedef long int int64_t;
typedef unsigned long int uint64_t;
#else
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#endif /* __arch64__ */
#endif /* __STDC__ */
#elif defined(__VMS) || defined(__sgi)
#include <inttypes.h>
#elif defined(__SCO__) || defined(__USLC__)
#include <stdint.h>
#elif defined(__UNIXOS2__) || defined(__SOL64__)
typedef long int int32_t;
typedef long long int int64_t;
typedef unsigned long long int uint64_t;
#elif defined(_WIN32) && defined(__GNUC__)
#include <stdint.h>
#elif defined(_WIN32)
typedef __int32 int32_t;
typedef __int64 int64_t;
typedef unsigned __int64 uint64_t;
#else
/* Fallback if nothing above works */
#include <inttypes.h>
#endif
#endif
typedef uint64_t GLuint64;
typedef int64_t GLint64;