+ /**
+ * @copydoc EventThreadServices::ForceNextUpdate
+ */
+ virtual void ForceNextUpdate();
+
+ /**
+ * @copydoc EventThreadServices::IsNextUpdateForced
+ */
+ virtual bool IsNextUpdateForced();
+
+ /**
+ * Request that the depth tree is rebuilt
+ */
+ void RequestRebuildDepthTree();
+
+ /**
+ * Rebuilds the depth tree at the end of the event frame if
+ * it was requested this frame.
+ */
+ void RebuildDepthTree();
+