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/*
* 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);
}
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