[winswitch] Weird problem with display going transparent?
Perry E. Metzger
perry at piermont.com
Tue Sep 18 19:54:18 BST 2018
On Sun, 16 Sep 2018 10:35:33 +0700 Antoine Martin via shifter-users
<shifter-users at lists.devloop.org.uk> wrote:
> On 16/09/2018 07:13, Perry E. Metzger via shifter-users wrote:
> > I'm on MacOS 10.13.6. At times, xprm
> Do you mean xpra?
Sorry, keyboard slip, yes, xpra.
> > windows I'm using become
> > partially or fully transparent for no obvious reason. (Partially =
> > portions of the window become transparent, not that the window
> > becomes semi-transparent.)
> Does this affect all windows or only the ones from specific
I notice it more often with terminal applications, but it seems to be
happening without much rhyme or reason.
> You can try running the client with "--debug metadata".
> The log output should tell us if the window is meant to be using
> transparency to begin with. (ie: window opacity or alpha channel)
I'll try that, and the rest of your suggestions.
> > This clearly is a bug of some sort. Any idea what might be
> > triggering it or what workarounds might be?
> run your client or server with:
> XPRA_ALPHA=0 xpra ...
> This is a big hammer which will disable transparency completely for
> all windows. (not ideal but acceptable as a workaround)
> Since only part of the windows are transparent, this could also be
> caused by one of the picture encoders wrongly setting the alpha
> - you should be able to confirm that by changing the picture
> encodings. (ie run with: --encodings=rgb,png)
> Otherwise, the bug may be triggered by the client rendering
> backend, try turning OpenGL on or off.
> > Perry
> shifter-users mailing list
> shifter-users at lists.devloop.org.uk
Perry E. Metzger perry at piermont.com
More information about the shifter-users