Bug#411141: compiz-core: Problems using Blender with Compiz (AIGLX)
On Fri, 2007-02-16 at 15:11 +0100, Sven Arvidsson wrote:
> Package: compiz-core
> Version: 0.3.6-1
> Severity: normal
>
> Blender is next to useless when run with Compiz. It doesn't get window
> decorations (when run in windowed mode) and when you try to interact
> with the window, all clicks go "through" the window and activates what
> is below the blender window, for example the gnome panel.
>
> This behavior also happens when run full screen, and with
> the unredirect_fullscreen_windows option activated.
>
> Other OpenGL applications display similar weird behavior when not run in
> fullscreen. They don't get repainted when dragged, they also leave
> images behind (it's possible to "paint" with a dragged window). I have
> no idea if this is related to the problems with Blender.
>
> If it's not clear what I mean, I can provide screenshots.
>
> I'm not sure if this is a problem with Compiz, AIGLX, Blender, or
> something else so please reassign this bug if needed.
It's because the 3D drivers can't render to redirected windows yet, they
always render to the root window, which conflcits with the compositing
manager. The best place for this for now is probably libgl1-mesa-dri,
but fixing this will require changes across the infrastructure, see
http://dri.freedesktop.org/wiki/DirectRenderingToRedirectedWindows .
--
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer
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