Programming Xilinx Device using Altera tools (LPT/USBBlaster

Is it possible to use Altera tools on Xilinx using OpenOCD?

I’ve read Olimex OpenOCD JTAG Tiny and the upcoming Dangerous Prototype’s BusBlasterV2 can do both Xilinx and Altera, but haven’t seen anyone use an Altera Blaster as a Xilinx ‘Parallel III’ programmer