looks like the post size limit ate my first attempt to post this.

Anyway, I was finally able to access DRI cvs (from
dri.freedesktop.org), so I pulled the latest tree and created a radeon
mergedfb patch against it.  I've done some testing and it seems to work
fine.  The patch only touches the 2D driver.  I talked to Kevin E.
Marin about merging it and he suggested I get it into the DRI tree.  I
think this patch adds a useful feature and I'd like to see it get
merged.  Thoughts?

Patch and notes about it are available here:
http://bugs.xfree86.org/show_bug.cgi?id=276

For those of you that aren't familiar with it, mergedfb creates a
single large framebuffer and then positions the 2 crtcs as vieports
into it.  Since it is a single framebuffer, the DRI works on both
heads.  It not only provides dualhead 3D, but also has some otehr nice
features that are not available with xinerama based dualhead mode.

Thanks,

Alex

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