mapi: Add mapi and share the code with glapi.

Specifically, move all or most of

      glapi/glapi.c         to mapi/u_current.c,
      glapi/glapi_execmem.c to mapi/u_execmem.c,
      glapi/glthread.[ch]   to mapi/u_thread.[ch]

and remove their dependencies on core Mesa headers.

1 files changed, 14 insertions, 98 deletions

diff --git a/src/mapi/glapi/glapi.h b/src/mapi/glapi/glapi.h
index 7dcf2e8910..a74884d595 100644
--- a/src/mapi/glapi/glapi.h
+++ b/src/mapi/glapi/glapi.h
@@ -44,15 +44,11 @@
 #ifndef _GLAPI_H
 #define _GLAPI_H
 
-#include "glthread.h"
-
-
-struct _glapi_table;
-
-typedef void (*_glapi_proc)(void); /* generic function pointer */
-
+#ifndef MAPI_GLAPI_CURRENT
+#define MAPI_GLAPI_CURRENT
+#endif
 
-#if defined(USE_MGL_NAMESPACE)
+#ifdef USE_MGL_NAMESPACE
 #define _glapi_set_dispatch _mglapi_set_dispatch
 #define _glapi_get_dispatch _mglapi_get_dispatch
 #define _glapi_set_context _mglapi_set_context
@@ -61,111 +57,31 @@ typedef void (*_glapi_proc)(void); /* generic function pointer */
 #define _glapi_Context _mglapi_Context
 #endif
 
+#include "mapi/u_current.h"
+#include "glapi/glthread.h"
 
-#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
-
-
-/**
- ** Define the GET_DISPATCH() and GET_CURRENT_CONTEXT() macros.
- **
- ** \param C local variable which will hold the current context.
- **/
-#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 /* defined (GLX_USE_TLS) */
-
-
-/**
- ** GL API public functions
- **/
-
-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);
+typedef void (*_glapi_proc)(void);
 
+#define GET_DISPATCH() ((struct _glapi_table *) u_current_get())
+#define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) u_current_get_user()
 
-extern unsigned int
+PUBLIC unsigned int
 _glapi_get_dispatch_table_size(void);
 
 
-extern int
+PUBLIC int
 _glapi_add_dispatch( const char * const * function_names,
 		     const char * parameter_signature );
 
-extern int
+PUBLIC int
 _glapi_get_proc_offset(const char *funcName);
 
 
-extern _glapi_proc
+PUBLIC _glapi_proc
 _glapi_get_proc_address(const char *funcName);
 
 
-extern const char *
+PUBLIC const char *
 _glapi_get_proc_name(unsigned int offset);