src/mesa/main/extensions.h

   1 /* $Id: extensions.h,v 1.2 1999/09/11 11:31:34 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.1
   6  *
   7  * Copyright (C) 1999  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27
  28 #ifndef _EXTENSIONS_H_
  29 #define _EXTENSIONS_H_
  30
  31 #include "types.h"
  32
  33
  34 #define DEFAULT_OFF    0x0
  35 #define DEFAULT_ON     0x1
  36 #define ALWAYS_ENABLED 0x2
  37
  38 /* Return 0 on success.
  39  */
  40 extern int gl_extensions_add( struct gl_context *ctx, int state,
  41                               const char *name, void (*notify)() );
  42
  43 extern int gl_extensions_enable( struct gl_context *ctx, const char *name );
  44 extern int gl_extensions_disable( struct gl_context *ctx, const char *name );
  45 extern void gl_extensions_dtr( struct gl_context *ctx );
  46 extern void gl_extensions_ctr( struct gl_context *ctx );
  47 extern const char *gl_extensions_get_string( struct gl_context *ctx );
  48
  49 extern void *gl_GetProcAddress( GLcontext *ctx, const GLubyte *procName );
  50
  51 #endif
  52
  53