To pick up the latest bug fixes to ANGLE's Metal backend, including to the BaseVertex/BaseInstance extensions, let's roll ANGLE to the state at 2022-03-30: f5d20de8c81fbabc36c21b31e5de71d3d566761a https://chromium.googlesource.com/angle/angle/+/f5d20de8c81fbabc36c21b31e5de71d3d566761a
Unfortunately I made a mistake during the roll I had in progress, and it would have been difficult to reconstruct it. Instead, rolling forward to today's ANGLE: fe28a4295af087ee82b8f629b67176b95019af6d https://chromium.googlesource.com/angle/angle/+/fe28a4295af087ee82b8f629b67176b95019af6d This includes the upstreaming of Kyle's buffer data update fixes and a couple more minor conflicts resolved - still hopefully low risk of regressions.
Created attachment 456313 [details] Patch
Note that there are important steps to take when updating ANGLE. See https://trac.webkit.org/wiki/UpdatingANGLE
Committed r292281 (249179@main): <https://commits.webkit.org/249179@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 456313 [details].
<rdar://problem/91227528>