| /* |
| * DOS/DJGPP Mesa Utility Toolkit |
| * Version: 1.0 |
| * |
| * Copyright (C) 2005 Daniel Borca 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 |
| * DANIEL BORCA 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. |
| */ |
| |
| |
| #include <string.h> |
| |
| #include "internal.h" |
| |
| |
| int APIENTRY |
| glutExtensionSupported (const char *extension) |
| { |
| static const GLubyte *extensions = NULL; |
| const GLubyte *last, *where; |
| |
| /* Extension names should not have spaces. */ |
| if (strchr(extension, ' ') || *extension == '\0') { |
| return GL_FALSE; |
| } |
| |
| /* Not my problem if you don't have a valid OpenGL context */ |
| if (!extensions) { |
| extensions = glGetString(GL_EXTENSIONS); |
| } |
| if (!extensions) { |
| return GL_FALSE; |
| } |
| |
| /* Take care of sub-strings etc. */ |
| for (last = extensions;;) { |
| if ((where = (GLubyte *)strstr((const char *)last, extension)) == NULL) { |
| return GL_FALSE; |
| } |
| last = where + strlen(extension); |
| if (where == extensions || *(where - 1) == ' ') { |
| if (*last == ' ' || *last == '\0') { |
| return GL_TRUE; |
| } |
| } |
| } |
| } |
| |
| |
| GLUTproc APIENTRY |
| glutGetProcAddress (const char *procName) |
| { |
| /* TODO - handle glut namespace */ |
| return (GLUTproc)DMesaGetProcAddress(procName); |
| } |