nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqsld6cd53kj8pkz9svnnt54um57nvwrlx9sgya7xhvhl5a5a4f3sqdxhcxx but yeah the third one will be used primarily by layered implementations or llvmpipe, who don't know what's like the situation on actual hardware.