Followup to bug 790505. The best way to do is probably to reuse the ShouldPrerender() logic for nsDisplayOpacity, then implement an analogous nsIFrame::TryUpdateOpacityOnly().
6 years ago
Need to check, but may needed for competitive parity and optimizes important content use case, e.g. in b2g homescreen.
You need to log in before you can comment on or make changes to this bug.