-/* Functions to assist driver t&l modules which have to fallback to
- * this module in the middle of a begin/end pair. Use this instead of
- * glBegin() to identify the primitive as wrapped:
- *
- * Even with this it's difficult to see how the drivers are going to
- * replay any glMaterial commands received in the few vertices before
- * the fallback.
+extern void
+_tnl_need_dlist_loopback( GLcontext *ctx, GLboolean flag );
+
+extern void
+_tnl_need_dlist_norm_lengths( GLcontext *ctx, GLboolean flag );
+
+extern void
+_tnl_isolate_materials( GLcontext *ctx, GLboolean flag );
+
+
+/* Control whether T&L does per-vertex fog