you can use FSR on Nvidia too but you can't use DLSS on AMD. Nvidia has been trying so hard to force a monopoly for decades now with these features they lock down to not only their hardware but specific series of them.
it's reminiscent of Microsoft making sure Linux can't use a wide range of software via directx and such, forcing people to resort to WINE and effectively becoming an operating system monopoly outside of apples gated garden
meanwhile AMD let's everyone use their software tech and people cry foul the moment they do 1/1000th of the anti competitive behavior Nvidia does in its sleep, I mean this is literally just sponsoring a game
This usually means only FSR, no DLSS. What does it matter that FSR can be used on all hardware, if it's the inferior technology? Let those who can use DLSS, and others FSR and XeSS.
Since it's your mom-and-pop multi-billion dollar company, it's fine that they can screw over consumers. They are not like the evil multi-billion dollar company from down the road.
I'm not interested in spending my energy on hating the underdog who makes their tech open so everyone can use it and works with 1/10 games when the bigger corporation trying to make a monopoly is working with 9/10 games and forcing out the other. Nvidia goes and tries to force third party card makers to change their AMD branding and nobody says shit but the moment AMD even just sponsors a game (they can still add DLSS if they wanted!) and suddenly its a problem and AMD is "just as bad" as nvidia. no, fuck that. fuck "but but but superior technology!!1"
Nvidia literally refuted this argument and come out and say they don't force devs to leave out FSR. DLSS workshop also includes tools for devs to put FSR and XeSS in their games along with DLSS.
Where as AMD responded with PR bullshit and fuckall.
As bad as the performance seems to be (30 FPS on current consoles?), I think they should offer DLSS, FSR 2, and Intel's XeSS. Invite everyone to the table, they're practically printing money already with preorders. Exclusivity is ridiculous.
FSR2 splits the market the least since it can run on any GPU, unlike DLSS which wouldn't be able to run on the console versions (so they'd have to add and optimize for FSR2 anyway; extra work for little benefit).
I guess this isn't the end of the world for Nvidia users, because FSR 2.2 is pretty good, and this game will be unlikely to have ray tracing that requires a lot of upscaling anyways, but it still sucks that the only way games will run well on any PC hardware nowadays is if the developers are paid to optimize for it.