The current graphics backend uses OpenGL, which also should make it easier. You should probably e-mail the emu author about this if you want to contribute to the project.
My Rig:
OS: Windows 7 Professional 64bit SP1
CPU: AMD Phenom II X4 955 3.2 GHz Stock
Graphics Card: Nvidia GeForce GTX 560 1GB GDDR5
Motherboard: Gigabyte GA-870A-USB3 AM3+ Revision
RAM: Geil 4GB Dual Channel @ 1600Mhz