Looking at how this would play out under older scenarios, assuming nothing crazy happens...
2 team championship
It would be oddly clean if Texas wins out. Texas vs. Big Ten champ. I have a hard time seeing anyone else making a claim. Now if Texas loses to Georgia in the SEC Championship it would get UGLY, particularly if OSU beat Oregon. Obviously either way the Oregon/Ohio State winner is in. But if Oregon loses, they are an 12-1 team that went 1-1 against OSU. PSU's claim is sort of weak, even as a 1 loss team, simply because it would be tough to put them over Oregon. Then you have a 2 loss SEC champs Georgia, a 1 loss Notre Dame, and a 1 loss ACC Champ Miami. I suspect they could say Notre Dame had both a weak schedule, and no conference championship game. So it would be Oregon, Georgia, Miami. 2 of them are conference champs, so I don't see them making it OSU-Oregon Round III, when Oregon won by 1 at home, and lost on a neutral. So 2 loss SEC champ Georgia or 1 loss ACC Champ Miami. Does a 1 loss ACC Champ SMU get the same love as a Miami?
4 team CFP
I think here Big Ten champ and SEC champ are in either way. Probably ACC champ too, either way, assuming they are 12-1. Really only the #4 spot is up for debate. I don't see a 2 loss non champ making it, so if OSU beats Oregon, Oregon is probably still in the conversation, with PSU, Indiana, Notre Dame and Texas (if they lose). OSU losing I think actually cleans things up. OSU only picked up that 2nd loss by qualifying for a conference championship that PSU and Indiana did not. So I think it's cleaner to assume all 3 are out, and Notre Dame is in.