Controlling two fixtures on same circuit independently
Without running an additional switched hot lead, it can be done using radio frequency transmitting switches which control a RF receiver/relay which you would have to wire into the ceiling box. Leviton makes devices like that. They are neither simple nor cheap. In my opinion it would be easier, quicker, and cheaper to fish a new wire or even open the wall. Patching is painstaking and tedious but not difficult.