Anyone with a T420 know off the top of their head whether or not the integrated GPU supports GLESv3?
@sir My X220 (same Intel HD 3000) reports "Max GLES profile version: 3.0". The T420 also supports an external GPU iirc but I would assume that you are ok there.
@sir it does
cmpwn.com is a private Mastodon instance for friends of SirCmpwn.