mirror of
https://github.com/QB64Official/qb64.git
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103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/*
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* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice including the dates of first publication and
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* either this permission notice or a reference to
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* http://oss.sgi.com/projects/FreeB/
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of Silicon Graphics, Inc.
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* shall not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization from
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* Silicon Graphics, Inc.
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*
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* OpenGL ES CM 1.0 port of part of GLU by Mike Gorchak <mike@malva.ua>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "glues_registry.h"
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#ifdef _WIN32
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#pragma warning(disable: 4996)
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#endif /* _WIN32 */
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static const GLubyte versionString[]="1.3";
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static const GLubyte extensionString[]="";
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GLAPI const GLubyte* APIENTRY gluGetString(GLenum name)
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{
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if (name==GLU_VERSION)
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{
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return versionString;
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}
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else
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{
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if (name==GLU_EXTENSIONS)
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{
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return extensionString;
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}
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}
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return NULL;
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}
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/* extName is an extension name.
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* extString is a string of extensions separated by blank(s). There may or
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* may not be leading or trailing blank(s) in extString.
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* This works in cases of extensions being prefixes of another like
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* GL_EXT_texture and GL_EXT_texture3D.
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* Returns GL_TRUE if extName is found otherwise it returns GL_FALSE.
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*/
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GLAPI GLboolean APIENTRY gluCheckExtension(const GLubyte* extName, const GLubyte* extString)
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{
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GLboolean flag=GL_FALSE;
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char* word;
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char* lookHere;
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char* deleteThis;
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if (extString==NULL)
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{
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return GL_FALSE;
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}
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deleteThis=lookHere=(char*)malloc(strlen((const char*)extString)+1);
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if (lookHere==NULL)
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{
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return GL_FALSE;
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}
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/* strtok() will modify string, so copy it somewhere */
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strcpy(lookHere,(const char*)extString);
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while ((word=strtok(lookHere, " "))!=NULL)
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{
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if (strcmp(word,(const char*)extName)==0)
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{
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flag=GL_TRUE;
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break;
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}
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lookHere=NULL; /* get next token */
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}
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free((void*)deleteThis);
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return flag;
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}
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