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https://bugs.freedesktop.org/show_bug.cgi?id=4254
[EMAIL PROTECTED] changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |[EMAIL PROTECTED]
Component|General |Driver/Radeon
Product|DRI |xorg
Version|XOrg CVS |CVS_head
------- Additional Comments From [EMAIL PROTECTED] 2005-08-26 06:04 -------
(In reply to comment #0)
> Seems like you can't use Direct Rendering at same time with mergedfb
> 2560x1024
> dualhead, since even "man radeon" says "The maximum framebuffer size that the
> 3D
> engine can handle is 2048x2048."
>
> But the fact is, I can do 3D on 2560x1024 on 9200 Pro card but First Monitor
> gets all blurry like it was 60hz and is going to explode at any time. What I
> expected, of course, is 3D not to work in part of area.. and 2D would still
> be good. With 2048x768 it's all good.
I suspect this is a bandwidth issue. 2560x1024 coupled with 3D operations is a
lot of data to push. You might try setting the "displaypriority" option to
"HIGH".
>
> So, I played around and switched my cables around and did: Option
> "MergedXineramaCRT2IsScreen0" "true" and I got what I expected.. 3D in
> 2048 area, and part of screen works only as 2D. But now, the area where
> 3D is not working.. is in _first_ display and that just.. doesn't work.
>
> DRI at full area + mergedfb + 2048x768 = works
> DRI at full area + mergedfb + 2560x1024 = works, but first display gets blurry
> DRI only at 2048 + mergedfb + 2560x1024 = works, but only with
> MergedXineramaCRT2IsScreen0 (and cables flipped around), and then the part
> where
> 3D doesn't work is in primary display.. that doesn't work for me, and
> probably
> not for anyone.
>
MergedXineramaCRT2IsScreen0 just switches which screen is advertised as "screen
0" by the builtin pseudo-xinerama extension. It doesn't actually change the
orientation of the crtcs. You probably don't want that option. If you want to
reverse the heads, you should change the "CRT2Position" option between "RightOf"
or "LeftOf" (or "Above" and "Below" depending on your set up). Try that and I
supect you will get what you want.
> I'm using 9200 Pro card, on X.org 7.0rc0, Mesa 6.3.2+CVS, DRM CVS, Linux
> 2.6.13-
> rc7, Gentoo, 32bit system..
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