[Xorg-driver-geode] Support dri2?

Mart Raudsepp mart.raudsepp at artecdesign.ee
Mon Mar 2 00:02:25 PST 2009


On P, 2009-03-01 at 17:01 -0800, Dhimant Bhayani wrote:
> DRI, DRM or DRI2 would be useful for OPEN GL (GLX).
> More and more software is using Open GL and performance
> of LX is graphics is not very good due to lack of support
> for the above mentioned modules.

OpenGL performance is not very good because

a) Geode LX has no hardware GL support _at all_
b) software OpenGL via mesa software driver is slow because it currently
uses double precision floating point instructions extensively, for which
GeodeLX needs to do multiple passes through the pipeline with CPU
microcode, as it can do directly only single precision floating point
instructions in one pipeline cycle.


Regards,
Mart Raudsepp



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