some render cache adjustments

2019-09-04 10:58:50 +10:00
parent 12bc5839a6
commit 371d0e2b37
22 changed files with 150 additions and 48 deletions
@@ -208,6 +208,11 @@ public:
   */
  void ClearCachedValue();

+  /**
+   * @brief Retrieve the last time this parameter had a value requested from
+   */
+  const rational& LastRequestedTime();
+
 signals:
  /**
   * @brief Signal emitted when an edge is added to this parameter