tree 6eb85850459997aa01cf98d4f8d53bfd7b320dc2
parent 5b3355581fcdf6c18baac574e7940b24013e1a75
author John Hoford <hoford@google.com> 1435191553 -0700
committer John Hoford <hoford@google.com> 1435597731 -0700

add validation of blend functions

Change-Id: I33d692beed68d46243f058cf13cb74772656a351