R500 XAA/EXA Benchmarks Of RadeonHD Driver

[ Thanks to Michael Larabel for this link. ]

"The public release of AMD's 'tcore' sample code is imminent, thereby steering the open-source development efforts toward R600 2D acceleration and the basis of the 3D support for the RadeonHD driver. However, in somewhat of a surprise, this afternoon XAA and EXA support was added to the RadeonHD driver for the R500 series. For those that aren't X enthusiasts or Linux veterans, XAA and EXA are architectures for providing 2D graphics acceleration. With this accelerated 2D support, we have benchmarked both XAA and EXA on the xf86-video-radeonhd driver as well as with the xf86-video-ati driver and the binary fglrx driver..."

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