X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fglapi%2Fglapi.h;h=c334203394f1203487316124662a792685c512e2;hb=c212abf99af494f024b0b981a83350f7ac9821ef;hp=7cdccc1275829b7330b9900695346fd4a6629e51;hpb=03dc05a6051abe94590f21dd1451dc45ec0ac306;p=mesa.git

diff --git a/src/mesa/glapi/glapi.h b/src/mesa/glapi/glapi.h
index 7cdccc12758..c334203394f 100644
--- a/src/mesa/glapi/glapi.h
+++ b/src/mesa/glapi/glapi.h
@@ -54,10 +54,41 @@ typedef void (*_glapi_warning_func)(void *ctx, const char *str, ...);
 typedef void (*_glapi_proc)(void); /* generic function pointer */
 
 
-extern void *_glapi_Context;
+#if defined (GLX_USE_TLS)
+
+const extern void *_glapi_Context;
+const extern struct _glapi_table *_glapi_Dispatch;
+
+extern __thread void * _glapi_tls_Context
+    __attribute__((tls_model("initial-exec")));
 
+# define GET_CURRENT_CONTEXT(C)  GLcontext *C = (GLcontext *) _glapi_tls_Context
+
+#else
+
+extern void *_glapi_Context;
 extern struct _glapi_table *_glapi_Dispatch;
 
+/**
+ * Macro for declaration and fetching the current context.
+ *
+ * \param C local variable which will hold the current context.
+ *
+ * It should be used in the variable declaration area of a function:
+ * \code
+ * ...
+ * {
+ *   GET_CURRENT_CONTEXT(ctx);
+ *   ...
+ * \endcode
+ */
+# ifdef THREADS
+#  define GET_CURRENT_CONTEXT(C)  GLcontext *C = (GLcontext *) (_glapi_Context ? _glapi_Context : _glapi_get_context())
+# else
+#  define GET_CURRENT_CONTEXT(C)  GLcontext *C = (GLcontext *) _glapi_Context
+# endif
+
+#endif /* defined (GLX_USE_TLS) */
 
 extern void
 _glapi_noop_enable_warnings(GLboolean enable);
@@ -117,7 +148,7 @@ extern GLint
 _glapi_get_proc_offset(const char *funcName);
 
 
-extern const _glapi_proc
+extern _glapi_proc
 _glapi_get_proc_address(const char *funcName);