glamor regressions with radeonsi (Re: xserver: Branch 'master' - 15 commits)

Michel Dänzer michel at
Mon Apr 7 18:03:08 PDT 2014

On Mon, 2014-04-07 at 11:27 -0700, Keith Packard wrote:
> Michel Dänzer <michel at> writes:
> > Test case:
> >
> >      1. Start 'naked' Xorg with an xterm: xinit =xterm -- :1 -retro &
> >      2. Start xfwm4: DISPLAY=:1 xfwm4 &
> >      3. Maximize and unmaximize xterm window
> >
> >
> > There are at least two regressions introduced by the latest glamor
> > series:
> Can you try running Xephyr -glamor to see if that works? That would let
> us know if it's a problem interacting with the 2D driver or a problem in
> how glamor is using GL.

Both problems happen with Xephyr as well. Interestingly, I've discovered
in the meantime that the text in the xterm window can appear by itself
after a while. Not sure what triggers it, though.

The window decoration garbage looks like wrong texture coordinates; e.g.
the window title text is incorrectly scaled sometimes when resizing the

Earthling Michel Dänzer            |        
Libre software enthusiast          |                Mesa and X developer
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