SGI SI GLU library

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 0000000000..e486ffa8ca
--- /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 ***/