1 #ifndef _U_CURRENT_H_ 2 #define _U_CURRENT_H_ 3 4 #include "c99_compat.h" 5 #include "util/macros.h" 6 7 8 #if defined(MAPI_MODE_UTIL) || defined(MAPI_MODE_GLAPI) || \ 9 defined(MAPI_MODE_BRIDGE) 10 11 #include "glapi/glapi.h" 12 13 /* ugly renames to match glapi.h */ 14 #define mapi_table _glapi_table 15 16 #ifdef GLX_USE_TLS 17 #define u_current_table _glapi_tls_Dispatch 18 #define u_current_context _glapi_tls_Context 19 #else 20 #define u_current_table _glapi_Dispatch 21 #define u_current_context _glapi_Context 22 #endif 23 24 #define u_current_get_table_internal _glapi_get_dispatch 25 #define u_current_get_context_internal _glapi_get_context 26 27 #define u_current_table_tsd _gl_DispatchTSD 28 29 #else /* MAPI_MODE_UTIL || MAPI_MODE_GLAPI || MAPI_MODE_BRIDGE */ 30 31 struct mapi_table; 32 33 #ifdef GLX_USE_TLS 34 35 extern __thread struct mapi_table *u_current_table 36 __attribute__((tls_model("initial-exec"))); 37 38 extern __thread void *u_current_context 39 __attribute__((tls_model("initial-exec"))); 40 41 #else /* GLX_USE_TLS */ 42 43 extern struct mapi_table *u_current_table; 44 extern void *u_current_context; 45 46 #endif /* GLX_USE_TLS */ 47 48 #endif /* MAPI_MODE_UTIL || MAPI_MODE_GLAPI || MAPI_MODE_BRIDGE */ 49 50 void 51 u_current_init(void); 52 53 void 54 u_current_destroy(void); 55 56 void 57 u_current_set_table(const struct mapi_table *tbl); 58 59 struct mapi_table * 60 u_current_get_table_internal(void); 61 62 void 63 u_current_set_context(const void *ptr); 64 65 void * 66 u_current_get_context_internal(void); 67 68 static inline const struct mapi_table * u_current_get_table(void)69u_current_get_table(void) 70 { 71 #ifdef GLX_USE_TLS 72 return u_current_table; 73 #else 74 return (likely(u_current_table) ? 75 u_current_table : u_current_get_table_internal()); 76 #endif 77 } 78 79 static inline const void * u_current_get_context(void)80u_current_get_context(void) 81 { 82 #ifdef GLX_USE_TLS 83 return u_current_context; 84 #else 85 return likely(u_current_context) ? u_current_context : u_current_get_context_internal(); 86 #endif 87 } 88 89 #endif /* _U_CURRENT_H_ */ 90