Earlier quoted context omitted.
The Witcher 3 is using RedEngine, GTA V RAGE, the Battlefields and SW:Battlefront {1,2} are using Frostbite IIRC, the two new Tomb Raider on Horizon, Rainbow 6 Siege and the Assassin's creed are on Anvil, Overwatch & SC2 have their own engines too, same for League of Legends, CoD are on a heavily customized id Engine, Minecraft is custom, Bethesda have their own engines too for Skyrim & Fallout, Path of Exile cutom t…
That's a nice list, quite complete. Many console exclusives also use custom engines by the way, e.g. Decima for Horizon:ZD, KillZone and Death Stranding, Naughty Dog has their own engine (don't know the name), etc. The OP's point was that the companies that make these engines can afford to invest in supporting an additional back-end API though. I think it's hard to argue that any of the companies that develop these e…
OP doesn't know the diminishing profits of the AAA gaming industry.
OP would never have to justify to producers and directors why <1% of gamers should take 30% or more of rendering architects time.