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/* $Id: extensions.h,v 1.1 1999/08/19 00:55:41 jtg Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.1
*
* Copyright (C) 1999 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.
*/
#ifndef _EXTENSIONS_H_
#define _EXTENSIONS_H_
struct gl_context;
struct extension;
struct gl_extensions {
char *ext_string;
struct extension *ext_list;
};
#define DEFAULT_OFF 0x0
#define DEFAULT_ON 0x1
#define ALWAYS_ENABLED 0x2
/* Return 0 on success.
*/
extern int gl_extensions_add( struct gl_context *ctx, int state,
const char *name, void (*notify)() );
extern int gl_extensions_enable( struct gl_context *ctx, const char *name );
extern int gl_extensions_disable( struct gl_context *ctx, const char *name );
extern void gl_extensions_dtr( struct gl_context *ctx );
extern void gl_extensions_ctr( struct gl_context *ctx );
extern const char *gl_extensions_get_string( struct gl_context *ctx );
#endif
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