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#ifndef _U_CURRENT_H_
#define _U_CURRENT_H_
#include "u_compiler.h"
#ifdef MAPI_GLAPI_CURRENT
#define GLAPI_EXPORT PUBLIC
#else
#define GLAPI_EXPORT
#endif
/*
* Unlike other utility functions, we need to keep the old names (_glapi_*) for
* ABI compatibility. The desired functions are wrappers to the old ones.
*/
struct _glapi_table;
#ifdef GLX_USE_TLS
GLAPI_EXPORT extern __thread struct _glapi_table *_glapi_tls_Dispatch
__attribute__((tls_model("initial-exec")));
GLAPI_EXPORT extern __thread void *_glapi_tls_Context
__attribute__((tls_model("initial-exec")));
GLAPI_EXPORT extern const struct _glapi_table *_glapi_Dispatch;
GLAPI_EXPORT extern const void *_glapi_Context;
#else /* GLX_USE_TLS */
GLAPI_EXPORT extern struct _glapi_table *_glapi_Dispatch;
GLAPI_EXPORT extern void *_glapi_Context;
#endif /* GLX_USE_TLS */
GLAPI_EXPORT void
_glapi_check_multithread(void);
GLAPI_EXPORT void
_glapi_set_context(void *context);
GLAPI_EXPORT void *
_glapi_get_context(void);
GLAPI_EXPORT void
_glapi_set_dispatch(struct _glapi_table *dispatch);
GLAPI_EXPORT struct _glapi_table *
_glapi_get_dispatch(void);
void
_glapi_destroy_multithread(void);
struct mapi_table;
static INLINE void
u_current_set(const struct mapi_table *tbl)
{
_glapi_check_multithread();
_glapi_set_dispatch((struct _glapi_table *) tbl);
}
static INLINE const struct mapi_table *
u_current_get(void)
{
#ifdef GLX_USE_TLS
return (const struct mapi_table *) _glapi_tls_Dispatch;
#else
return (const struct mapi_table *) (likely(_glapi_Dispatch) ?
_glapi_Dispatch : _glapi_get_dispatch());
#endif
}
static INLINE void
u_current_set_user(void *ptr)
{
_glapi_check_multithread();
_glapi_set_context(ptr);
}
static INLINE void *
u_current_get_user(void)
{
#ifdef GLX_USE_TLS
return _glapi_tls_Context;
#else
return likely(_glapi_Context) ? _glapi_Context : _glapi_get_context();
#endif
}
#endif /* GLX_USE_TLS */
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