#ifndef _GLAPI_H
#define _GLAPI_H
#include "glthread.h"
struct _glapi_table;
typedef void (*_glapi_proc)(void);
#if defined(USE_MGL_NAMESPACE)
#define _glapi_set_dispatch _mglapi_set_dispatch
#define _glapi_get_dispatch _mglapi_get_dispatch
#define _glapi_set_context _mglapi_set_context
#define _glapi_get_context _mglapi_get_context
#define _glapi_Dispatch _mglapi_Dispatch
#define _glapi_Context _mglapi_Context
#endif
#if defined(__GNUC__)
# define likely(x) __builtin_expect(!!(x), 1)
# define unlikely(x) __builtin_expect(!!(x), 0)
#else
# define likely(x) (x)
# define unlikely(x) (x)
#endif
#if defined (GLX_USE_TLS)
extern const struct _glapi_table *_glapi_Dispatch;
extern const void *_glapi_Context;
extern __thread struct _glapi_table * _glapi_tls_Dispatch
__attribute__((tls_model("initial-exec")));
extern __thread void * _glapi_tls_Context
__attribute__((tls_model("initial-exec")));
# define GET_DISPATCH() _glapi_tls_Dispatch
# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) _glapi_tls_Context
#else
extern struct _glapi_table *_glapi_Dispatch;
extern void *_glapi_Context;
# ifdef THREADS
# define GET_DISPATCH() \
(likely(_glapi_Dispatch) ? _glapi_Dispatch : _glapi_get_dispatch())
# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) \
(likely(_glapi_Context) ? _glapi_Context : _glapi_get_context())
# else
# define GET_DISPATCH() _glapi_Dispatch
# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) _glapi_Context
# endif
#endif
extern void
_glapi_init_multithread(void);
extern void
_glapi_destroy_multithread(void);
extern void
_glapi_check_multithread(void);
extern void
_glapi_set_context(void *context);
extern void *
_glapi_get_context(void);
extern void
_glapi_set_dispatch(struct _glapi_table *dispatch);
extern struct _glapi_table *
_glapi_get_dispatch(void);
extern unsigned int
_glapi_get_dispatch_table_size(void);
extern int
_glapi_add_dispatch( const char * const * function_names,
const char * parameter_signature );
extern int
_glapi_get_proc_offset(const char *funcName);
extern _glapi_proc
_glapi_get_proc_address(const char *funcName);
extern void
init_glapi_relocs_once(void);
extern void
_glapi_check_table_not_null(const struct _glapi_table *table);
extern void
_glapi_check_table(const struct _glapi_table *table);
extern const char *
_glapi_get_proc_name(unsigned int offset);
#define MAX_EXTENSION_FUNCS 300
#endif