diff options
author | Brian Paul <[email protected]> | 2001-03-17 00:25:40 +0000 |
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committer | Brian Paul <[email protected]> | 2001-03-17 00:25:40 +0000 |
commit | 77cc447b96a75106354da02437c4e868265d27bb (patch) | |
tree | 06336e071d4786d72d681c72d68126191f0b2993 /src/glu/sgi/libutil/registry.c | |
parent | 24fab8e2507d9ccc45c1a94de0ad44088cfb8738 (diff) |
SGI SI GLU library
Diffstat (limited to 'src/glu/sgi/libutil/registry.c')
-rw-r--r-- | src/glu/sgi/libutil/registry.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/glu/sgi/libutil/registry.c b/src/glu/sgi/libutil/registry.c new file mode 100644 index 00000000000..e486ffa8ca9 --- /dev/null +++ b/src/glu/sgi/libutil/registry.c @@ -0,0 +1,98 @@ +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 1.1 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +** $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $ +** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libutil/registry.c,v 1.1 2001/03/17 00:25:41 brianp Exp $ +*/ + +#include "gluos.h" +#include <GL/glu.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +static const GLubyte versionString[] = "1.3"; +static const GLubyte extensionString[] = + "GLU_EXT_nurbs_tessellator " + "GLU_EXT_object_space_tess " + ; + +const GLubyte * GLAPIENTRY +gluGetString(GLenum name) +{ + + if (name == GLU_VERSION) { + return versionString; + } else if (name == GLU_EXTENSIONS) { + return extensionString; + } + return NULL; +} + +/* extName is an extension name. + * extString is a string of extensions separated by blank(s). There may or + * may not be leading or trailing blank(s) in extString. + * This works in cases of extensions being prefixes of another like + * GL_EXT_texture and GL_EXT_texture3D. + * Returns GL_TRUE if extName is found otherwise it returns GL_FALSE. + */ +GLboolean GLAPIENTRY +gluCheckExtension(const GLubyte *extName, const GLubyte *extString) +{ + GLboolean flag = GL_FALSE; + char *word; + char *lookHere; + char *deleteThis; + + if (extString == NULL) return GL_FALSE; + + deleteThis = lookHere = (char *)malloc(strlen((const char *)extString)+1); + if (lookHere == NULL) + return GL_FALSE; + /* strtok() will modify string, so copy it somewhere */ + strcpy(lookHere,(const char *)extString); + + while ((word= strtok(lookHere," ")) != NULL) { + if (strcmp(word,(const char *)extName) == 0) { + flag = GL_TRUE; + break; + } + lookHere = NULL; /* get next token */ + } + free((void *)deleteThis); + return flag; +} /* gluCheckExtension() */ + + + +/*** registry.c ***/ |