X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fglapi%2Fglapi.h;h=8f2cf66218389edf0eea852661f46bf3f8b9d067;hb=56c4226fcc54158eb7fe54eeb13539a979ec155c;hp=5486819da53fafb4ba1677c03f04b857be6f1ee0;hpb=8f91fb630c3292c6294384783d02e2e7402fc778;p=mesa.git diff --git a/src/mesa/glapi/glapi.h b/src/mesa/glapi/glapi.h index 5486819da53..8f2cf662183 100644 --- a/src/mesa/glapi/glapi.h +++ b/src/mesa/glapi/glapi.h @@ -1,10 +1,8 @@ -/* $Id: glapi.h,v 1.11 1999/12/17 14:51:29 brianp Exp $ */ - /* * Mesa 3-D graphics library - * Version: 3.3 + * Version: 7.1 * - * Copyright (C) 1999 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -25,30 +23,105 @@ */ +/** + * \mainpage Mesa GL API Module + * + * \section GLAPIIntroduction Introduction + * + * The Mesa GL API module is responsible for dispatching all the + * gl*() functions. All GL functions are dispatched by jumping through + * the current dispatch table (basically a struct full of function + * pointers.) + * + * A per-thread current dispatch table and per-thread current context + * pointer are managed by this module too. + * + * This module is intended to be non-Mesa-specific so it can be used + * with the X/DRI libGL also. + */ + + #ifndef _GLAPI_H #define _GLAPI_H +#define GL_GLEXT_PROTOTYPES #include "GL/gl.h" +#include "GL/glext.h" +#include "glthread.h" + 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 +#endif + + +/* + * Number of extension functions which we can dynamically add at runtime. + */ +#define MAX_EXTENSION_FUNCS 300 + + +/** + ** Define the GET_CURRENT_CONTEXT() macro. + ** \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 GLboolean _glapi_ThreadSafe; +extern __thread void * _glapi_tls_Context + __attribute__((tls_model("initial-exec"))); -extern void *_glapi_CurrentContext; +# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) _glapi_tls_Context +#else + +extern void *_glapi_Context; +extern struct _glapi_table *_glapi_Dispatch; + +# 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) */ + + +/** + ** GL API public functions + **/ + +extern void +_glapi_noop_enable_warnings(GLboolean enable); + +extern void +_glapi_set_warning_func(_glapi_warning_func func); extern void _glapi_check_multithread(void); extern void -_glapi_set_current_context(void *context); +_glapi_set_context(void *context); extern void * -_glapi_get_current_context(void); +_glapi_get_context(void); extern void @@ -59,27 +132,35 @@ extern struct _glapi_table * _glapi_get_dispatch(void); -extern GLuint -_glapi_get_dispatch_table_size(void); +extern int +_glapi_begin_dispatch_override(struct _glapi_table *override); -extern const char * -_glapi_get_version(void); +extern void +_glapi_end_dispatch_override(int layer); + + +struct _glapi_table * +_glapi_get_override_dispatch(int layer); + + +extern GLuint +_glapi_get_dispatch_table_size(void); extern void _glapi_check_table(const struct _glapi_table *table); -extern GLboolean -_glapi_add_entrypoint(const char *funcName, GLuint offset); - +extern int +_glapi_add_dispatch( const char * const * function_names, + const char * parameter_signature ); extern GLint _glapi_get_proc_offset(const char *funcName); -extern const GLvoid * +extern _glapi_proc _glapi_get_proc_address(const char *funcName);