Making your own GPU sounds intriguing. You could hook up a small ARM computer to the PCI slot and implement a GPU in software. A very slow GPU obviously, but fa

Making your own GPU sounds intriguing. You could hook up a small ARM computer to the PCI slot and implement a GPU in software. A very slow GPU obviously, but fast enough to decrypt the video frames. I'm not sure if you'll be able to write a driver for it that will seem legit to Windows.