I assume it would all be done on the CPU. Isn't GPU transform a fairly recent invention? I'm guessing it's a DX8 or 9 feature.
Still, it shouldn't be such a huge hit on the CPU. I've done some realtime mesh deforms in Blitz using VertexCoords(), and I've been able to get away with a surprising amount before I noticed any slowdown, even on my slower machine -- and if Mark decides to do this, no doubt his code will be much more efficient than mine.
Still, it shouldn't be such a huge hit on the CPU. I've done some realtime mesh deforms in Blitz using VertexCoords(), and I've been able to get away with a surprising amount before I noticed any slowdown, even on my slower machine -- and if Mark decides to do this, no doubt his code will be much more efficient than mine.