34012 2010-01-22 11:34:20 -0800 Use software animation for composited elements with fixed position descendants 2010-01-22 13:51:29 -0800 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Mac OS X 10.5 NEW P2 Normal --- 1 simon.fraser simon.fraser oldest_to_newest 183722 0 simon.fraser 2010-01-22 11:34:20 -0800 As described in bug 33821 comment 9, we need to use software animation for composited layers with any fixed position descendants. 183788 1 simon.fraser 2010-01-22 13:51:29 -0800 Actually maybe we don't need to do this. If transform is animating, then the ancestor is a fixed position container. If opacity is animating, then the behavior is correct. However, if we hardware-animate left and top we'll have to fix this.