--- /dev/null
+/******************************************************************************
+ * Arachnoid Graphics Plugin for Mupen64Plus
+ * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
+ *
+ * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *****************************************************************************/
+
+#include "m64p.h"
+#include "OpenGL.h"
+#include "ExtensionChecker.h"
+
+//-----------------------------------------------------------------------------
+//! Is Extension Supported
+//-----------------------------------------------------------------------------
+bool isExtensionSupported( const char *extension )
+{
+ const GLubyte *extensions = NULL;
+ const GLubyte *start;
+ GLubyte *where, *terminator;
+
+ where = (GLubyte *) strchr(extension, ' ');
+ if (where || *extension == '\0')
+ return false;
+
+ extensions = glGetString(GL_EXTENSIONS);
+
+ start = extensions;
+ for (;;)
+ {
+ where = (GLubyte *) strstr((const char *) start, extension);
+ if (!where)
+ break;
+
+ terminator = where + strlen(extension);
+ if (where == start || *(where - 1) == ' ')
+ if (*terminator == ' ' || *terminator == '\0')
+ return true;
+
+ start = terminator;
+ }
+
+ return false;
+}