diff options
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.1/src/glut/dos/extens.c')
-rw-r--r-- | nx-X11/extras/Mesa_6.4.1/src/glut/dos/extens.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa_6.4.1/src/glut/dos/extens.c b/nx-X11/extras/Mesa_6.4.1/src/glut/dos/extens.c new file mode 100644 index 000000000..8bb867264 --- /dev/null +++ b/nx-X11/extras/Mesa_6.4.1/src/glut/dos/extens.c @@ -0,0 +1,70 @@ +/* + * 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); +} |