After many recent bug fixes to WebKit's WebGL implementation on top of ANGLE, and a recent WebGL 2.0.0 conformance suite snapshot roll in Bug 214792, many more layout tests pass, including:
and a host of others.
Created attachment 405606 [details]
Committed r265093: <https://trac.webkit.org/changeset/265093>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 405606 [details].