Zack has did it again! from the man who brought you exa, the one and only Glucose.
from his blog (http://zrusin.blogspot.com/2006/08/glucose-and-graphics.html)
Today I pushed a new acceleration architecture for Xorg. Called Glucose, it uses OpenGL to accelerate X. What happens there is that Glucose hooks into the initialisation code during the graphics card setup and dispatches the X rendering calls through the same codepaths that XGL uses. The email describing it and the some reasons for it is here: http://lists.freedesktop.org/archives/xorg/2006-August/017527.html. One step closer to the Open Source graphical utopia.
So finally opengl accelerated X is within reach 
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