Comment 4 for bug 1670670

I think in the long run to solve this bug (and to reduce cursor lag, and to eliminate the rendering load of U8 cursor movement) we will need to switch to using native Mir input coordinates as well as the hardware cursor.

AFAIK the only thing stopping us from using Mir's native input coordinates was the inability to implement barriers/edge resistance in places. But I guess we could add an API for that (also discussed in the same meeting yesterday).