Kevin and Vadim,Please review this very limited and guarded fix as a temporary solution till we have a better API to support dynamic mesh update.
More information about performance is captured in the JIRA.
Webrev: http://cr.openjdk.java.net/~ckyang/RT-35956/webrev.00/ JIRA: https://javafx-jira.kenai.com/browse/RT-35956 Thanks, - Chien