From a0c4815433ccd57322f4f7703ca35e9ccfa59250 Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 8 Oct 2009 13:15:52 +0000 Subject: Added MesaLib-7.6 --- mesalib/src/mesa/glapi/glapi.h | 171 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 171 insertions(+) create mode 100644 mesalib/src/mesa/glapi/glapi.h (limited to 'mesalib/src/mesa/glapi/glapi.h') diff --git a/mesalib/src/mesa/glapi/glapi.h b/mesalib/src/mesa/glapi/glapi.h new file mode 100644 index 000000000..5fb540122 --- /dev/null +++ b/mesalib/src/mesa/glapi/glapi.h @@ -0,0 +1,171 @@ +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * 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"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \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) + +extern const void *_glapi_Context; +extern const 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; + +# 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_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); + + +extern int +_glapi_begin_dispatch_override(struct _glapi_table *override); + + +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 int +_glapi_add_dispatch( const char * const * function_names, + const char * parameter_signature ); + +extern GLint +_glapi_get_proc_offset(const char *funcName); + + +extern _glapi_proc +_glapi_get_proc_address(const char *funcName); + + +extern const char * +_glapi_get_proc_name(GLuint offset); + + +#endif -- cgit v1.2.3