Synchronised glx with mesa

1 files changed, 68 insertions, 46 deletions

diff --git a/xorg-server/glx/glapi.h b/xorg-server/glx/glapi.h
index 68e5cd328..9add5e7ee 100644
--- a/xorg-server/glx/glapi.h
+++ b/xorg-server/glx/glapi.h
@@ -44,10 +44,6 @@
 #ifndef _GLAPI_H
 #define _GLAPI_H
 
-#define GL_GLEXT_PROTOTYPES
-
-#include "GL/gl.h"
-#include "GL/glext.h"
 #include "glthread.h"
 
 
@@ -55,53 +51,72 @@ struct _glapi_table;
 
 typedef void (*_glapi_proc)(void); /* generic function pointer */
 
-typedef void (*_glapi_warning_func)(void *ctx, const char *str, ...);
-
 
 #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_Context _mglapi_Context
 #define _glapi_Dispatch _mglapi_Dispatch
+#define _glapi_Context _mglapi_Context
 #endif
 
 
-/*
- * Number of extension functions which we can dynamically add at runtime.
- */
-#define MAX_EXTENSION_FUNCS 300
-
-#ifdef _MSC_VER
-#define EXTERN _declspec(dllexport)
+#if defined(__GNUC__)
+#  define likely(x)   __builtin_expect(!!(x), 1)
+#  define unlikely(x) __builtin_expect(!!(x), 0)
 #else
-#define EXTERN extern
+#  define likely(x)   (x)
+#  define unlikely(x) (x)
 #endif
 
+
 /**
- ** Define the GET_CURRENT_CONTEXT() macro.
+ ** Define the GET_DISPATCH() and GET_CURRENT_CONTEXT() macros.
+ **
  ** \param C local variable which will hold the current context.
  **/
 #if defined (GLX_USE_TLS)
 
-const extern void *_glapi_Context;
-const extern struct _glapi_table *_glapi_Dispatch;
+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 void *_glapi_Context;
+#ifdef INSERVER
+#define EXTERN _declspec(dllexport)
+#else
+#define EXTERN extern
+#endif
+
 EXTERN struct _glapi_table *_glapi_Dispatch;
+EXTERN void *_glapi_Context;
 
 # ifdef THREADS
-#  define GET_CURRENT_CONTEXT(C)  GLcontext *C = (GLcontext *) (_glapi_Context ? _glapi_Context : _glapi_get_context())
+
+#  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) */
@@ -111,66 +126,73 @@ EXTERN struct _glapi_table *_glapi_Dispatch;
  ** GL API public functions
  **/
 
-EXTERN void
-_glapi_noop_enable_warnings(GLboolean enable);
+extern void
+_glapi_init_multithread(void);
+
+
+extern void
+_glapi_destroy_multithread(void);
 
-EXTERN void
-_glapi_set_warning_func(_glapi_warning_func func);
 
 EXTERN void
 _glapi_check_multithread(void);
 
 
-EXTERN void
+extern void
 _glapi_set_context(void *context);
 
 
-EXTERN void *
+extern void *
 _glapi_get_context(void);
 
 
-EXTERN void
+extern void
 _glapi_set_dispatch(struct _glapi_table *dispatch);
 
 
-EXTERN struct _glapi_table *
+extern struct _glapi_table *
 _glapi_get_dispatch(void);
 
 
-extern int
-_glapi_begin_dispatch_override(struct _glapi_table *override);
+extern unsigned int
+_glapi_get_dispatch_table_size(void);
 
 
-extern void
-_glapi_end_dispatch_override(int layer);
+EXTERN int
+_glapi_add_dispatch( const char * const * function_names,
+		     const char * parameter_signature );
 
+extern int
+_glapi_get_proc_offset(const char *funcName);
 
-struct _glapi_table *
-_glapi_get_override_dispatch(int layer);
 
+extern _glapi_proc
+_glapi_get_proc_address(const char *funcName);
 
-EXTERN GLuint
-_glapi_get_dispatch_table_size(void);
 
+/**
+ * GL API local functions and defines
+ */
 
 extern void
-_glapi_check_table(const struct _glapi_table *table);
+init_glapi_relocs_once(void);
 
+extern void
+_glapi_check_table_not_null(const struct _glapi_table *table);
 
-EXTERN int
-_glapi_add_dispatch( const char * const * function_names,
-		     const char * parameter_signature );
 
-EXTERN GLint
-_glapi_get_proc_offset(const char *funcName);
+extern void
+_glapi_check_table(const struct _glapi_table *table);
 
 
-extern _glapi_proc
-_glapi_get_proc_address(const char *funcName);
+extern const char *
+_glapi_get_proc_name(unsigned int offset);
 
 
-extern const char *
-_glapi_get_proc_name(GLuint offset);
+/*
+ * Number of extension functions which we can dynamically add at runtime.
+ */
+#define MAX_EXTENSION_FUNCS 300
 
 
 #endif