- /* It is possible to raise a statechange between begin/end pairs as
- * the glMaterial calls will raise _NEW_LIGHT eventually. However,
- * within a DrawArrays or DrawElements call (which cannot emit
- * material data), it should never be possible.
+
+ /* Only interested in this subset of mesa state. Need to prune
+ * this down as both tnl/ and the drivers can raise statechanges
+ * for arcane reasons in the middle of seemingly atomic operations
+ * like DrawElements, over which we'd like to keep a known set of
+ * arrays and vbo's mapped.
+ *
+ * Luckily, neither the drivers nor tnl muck with the state that
+ * concerns us here: