1 files changed, 70 insertions, 0 deletions
diff --git a/src/glut/dos/extens.c b/src/glut/dos/extens.c
new file mode 100644
index 000000000..8bb867264
--- /dev/null
+++ b/src/glut/dos/extens.c
@@ -0,0 +1,70 @@
+/*
+ * 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);
+}