Originally posted by blackout23
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KMS - Kernel ModeSetting = the way the correct resolution is set up for specific screens. (when you change resolution, this handles it at hardware level)
Mesa - the (only) OSS implementation of OpenGL.
Gallium - a sort of layer between graphic cards and a graphics API. The graphic driver only has to 'support' gallium3D.
DRI - how software communicates with the hardware.
But do read the links posted by chithanh.
A comparison between open source AMD and catalyst might be interesting. Their open source drivers aren't that slow to begin with. They might beat the blob, when performance doubles.
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D3D9 for Gallium sounds really nice. Knowing the number of awesome games based on it, losing them would be a huge loss.
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