2 * Mesa 3-D graphics library
4 * Copyright (C) 1995-1998 Brian Paul
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the Free
18 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 * DOS/DJGPP glut driver v1.4 for Mesa
24 * Copyright (C) 2002 - Borca Daniel
25 * Email : dborca@yahoo.com
26 * Web : http://www.geocities.com/dborca
37 int APIENTRY
glutExtensionSupported (const char *extension
)
39 static const GLubyte
*extensions
= NULL
;
40 const GLubyte
*last
, *where
;
42 /* Extension names should not have spaces. */
43 if (strchr(extension
, ' ') || *extension
== '\0') {
47 /* Not my problem if you don't have a valid OpenGL context */
49 extensions
= glGetString(GL_EXTENSIONS
);
52 /* Take care of sub-strings etc. */
53 for (last
= extensions
;;) {
54 if ((where
= (GLubyte
*)strstr((const char *)last
, extension
)) == NULL
) {
57 last
= where
+ strlen(extension
);
58 if (where
== extensions
|| *(where
- 1) == ' ') {
59 if (*last
== ' ' || *last
== '\0') {
68 glutGetProcAddress (const char *procName
)
70 /* TODO - handle glut namespace */
71 return (GLUTproc
)DMesaGetProcAddress(procName
);