cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync/*
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * Mesa 3-D graphics library
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * Version: 7.1
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * Permission is hereby granted, free of charge, to any person obtaining a
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * copy of this software and associated documentation files (the "Software"),
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * to deal in the Software without restriction, including without limitation
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * the rights to use, copy, modify, merge, publish, distribute, sublicense,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * and/or sell copies of the Software, and to permit persons to whom the
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * Software is furnished to do so, subject to the following conditions:
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * The above copyright notice and this permission notice shall be included
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * in all copies or substantial portions of the Software.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync/**
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * \mainpage Mesa GL API Module
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * \section GLAPIIntroduction Introduction
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * The Mesa GL API module is responsible for dispatching all the
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * gl*() functions. All GL functions are dispatched by jumping through
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * the current dispatch table (basically a struct full of function
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * pointers.)
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * A per-thread current dispatch table and per-thread current context
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * pointer are managed by this module too.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * This module is intended to be non-Mesa-specific so it can be used
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * with the X/DRI libGL also.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#ifndef _GLAPI_H
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#define _GLAPI_H
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#define GL_GLEXT_PROTOTYPES
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#include "GL/gl.h"
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#include "GL/glext.h"
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#include "glthread.h"
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncstruct _glapi_table;
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsynctypedef void (*_glapi_proc)(void); /* generic function pointer */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsynctypedef void (*_glapi_warning_func)(void *ctx, const char *str, ...);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#if defined(USE_MGL_NAMESPACE)
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#define _glapi_set_dispatch _mglapi_set_dispatch
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#define _glapi_get_dispatch _mglapi_get_dispatch
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#define _glapi_set_context _mglapi_set_context
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#define _glapi_get_context _mglapi_get_context
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#define _glapi_Context _mglapi_Context
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#define _glapi_Dispatch _mglapi_Dispatch
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#endif
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync/*
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * Number of extension functions which we can dynamically add at runtime.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#define MAX_EXTENSION_FUNCS 300
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync/**
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync ** Define the GET_CURRENT_CONTEXT() macro.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync ** \param C local variable which will hold the current context.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync **/
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#if defined (GLX_USE_TLS)
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncconst extern void *_glapi_Context;
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncconst extern struct _glapi_table *_glapi_Dispatch;
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern __thread void * _glapi_tls_Context
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync __attribute__((tls_model("initial-exec")));
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) _glapi_tls_Context
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#else
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern void *_glapi_Context;
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern struct _glapi_table *_glapi_Dispatch;
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync# ifdef THREADS
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) (_glapi_Context ? _glapi_Context : _glapi_get_context())
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync# else
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync# define GET_CURRENT_CONTEXT(C) GLcontext *C = (GLcontext *) _glapi_Context
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync# endif
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#endif /* defined (GLX_USE_TLS) */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync/**
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync ** GL API public functions
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync **/
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern void
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_noop_enable_warnings(GLboolean enable);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern void
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_set_warning_func(_glapi_warning_func func);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern void
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_check_multithread(void);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern void
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_set_context(void *context);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern void *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_get_context(void);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern void
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_set_dispatch(struct _glapi_table *dispatch);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern struct _glapi_table *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_get_dispatch(void);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern int
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_begin_dispatch_override(struct _glapi_table *override);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern void
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_end_dispatch_override(int layer);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncstruct _glapi_table *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_get_override_dispatch(int layer);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern GLuint
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_get_dispatch_table_size(void);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern void
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_check_table(const struct _glapi_table *table);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern int
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_add_dispatch( const char * const * function_names,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync const char * parameter_signature );
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern GLint
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_get_proc_offset(const char *funcName);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _glapi_proc
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_get_proc_address(const char *funcName);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern const char *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync_glapi_get_proc_name(GLuint offset);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#endif