You can stretch the application through three displays and it will receive the same level of acceleration as it was running on a single screen. If you recall, Windows 7 or earlier Windows did not enable seamless operation on multiple displays, and running for example, a TV stream split between the two displays would result in a one display having a black window.
AMD Eyefinity to expand GPU acceleration to multi-display
Posted on Friday, June 15 2012 @ 15:51 CEST by Thomas De Maesschalck
Bright Side of News received a demonstration at AMD's Fusion Developer Summit 2012 of the company's upcoming Eyefinity driver enhancement that will expand GPU acceleration from single to multiple displays, and even accelerate applications and the user interface itself across more than one screen.