TressFX isn't open in the sense that AMD does not allow devs to post anything other than the AMD optimized versions. They do not allow them to post versions that have been modified to be more optimized for Nvidia.
Also AMD's claims have zero proof backing them up so I don't know why anyone would trust them.
All the arguments are pure speculation of what could possibly maybe in theory happen if Nvidia.
Welcome to the forum alatar from overclock.net!
BTW,it works fine on my GTX660.
BTW,this is a the HardOCP review of TR:
http://i.imgur.com/oskJzVd.gif
http://i.imgur.com/C6sumW2.gif
The review was only two weeks after TR was launched.
I mean the evidence is extremely poor to nonexistent. I could make a 100% better case that AMD is engaged in an illegal stealth marketing campaign and is targeting most hardware forums with it. That claim at least is backed up by some good proof.
The claim came from some chap over on Anandtech forums in a thread,but he is as crazy anti-AMD as some of the crazy pro-AMD guys there,so I just ignore all of them. I think even the mods kind of had to weigh in at some point too IIRC(could be wrong there).
I know there was a US only programme where AMD would get user feedback on hardware,but Nvidia has done the same too. However,I believe there was a
Regarding Nvidia,it is/was called the Nvidia Focus Group?? It was a secret until one of the members decided to talk about it in 2006:
http://consumerist.com/2006/02/08/nvidia-focus-group-member-details-hidden-program/
We had one of them on another UK forum,and one guy called Rollo stood out.
He has been permabanned on multiple forums.
BTW,due to the events of the Google vs Oracle legal war with the paid bloggers,US companies need to disclose marketing sources now.
Edit!!
The chap behind this site was a Oracle paid blogger:
http://www.fosspatents.com/
He posted very pro-Apple articles and anti-Google ones,regarding the patent wars.
His website had been linked in many international articles regarding wars,and you can see why the changes needed to come.