Originally Posted by AaronP
Because the 3D engine is too complicated to get working reliably in such a simple driver. Prior to G80, the 2D engine had the required colorspace conversion logic needed for Xv, but G80 and up don't have that. I would really recommend using the nvidia driver if you want to play video.
You mean there isn't a separate 2D engine in the 8800GTX that does video scaling and that the nividia driver uses the 3D engine or something like that?
I thought the CPUs are fast enough to do the scaling totally in software and not look blocky.