Re: [3d-transforms] Behavior of intersecting layers with transform-style: preserve-3d is undefined and inconsistent across implementations

I don't know if this belongs in a separate thread but even before
intersection we need to spec how things get sorted. Mid point?, front most
point?, back most point?, local origin?

Here's an example of just sorting where Chrome and Safari don't currently
match

http://greggman.com/downloads/examples/3d-css-sorting-issue.html

Screenshots if you don't want to run another browser

http://greggman.com/downloads/examples/3d-css-sorting-issue-chrome.png
http://greggman.com/downloads/examples/3d-css-sorting-issue-safari.png