Re: Heads-up: Potentially breaking changes to the GDK drawing model pushed

["Jasper St. Pierre" <jstpierre mecheye net>]

I can't reproduce any issue in scrolling with evince locally -- does it only happen with certain documents? Can you point to a document where you have problems?

I also just built Scintilla and SCiTE from source, but they both appear to be using GTK+ 2, not GTK+ 3. Are you using some unofficial fork or port, or did I do something wrong when building Scintilla/SCiTE?

On Mon, Jun 23, 2014 at 7:45 PM, Colomban Wendling <lists ban herbesfolles org> wrote:

Le 24/06/2014 00:02, Jasper St. Pierre a écrit :
> Hey everyone again
>
> [...]

>
> I've effectively pushed a revert of these changes:
>
> https://git.gnome.org/browse/gtk+/commit/?id=984e811c16891cb4945a090bea8ec9e81ce3dba6
> https://git.gnome.org/browse/gtk+/commit/?id=24b9e91f470d2f355c6e19013f302295151baacf
>

> [...]

>
> If your application still has flickering or prints runtime warnings or
> crashes, *please* let me know. We should be back to where we were
> beforehand, but things do sometimes slip through the cracks.

Sorry, but apparently 984e811c16891cb4945a090bea8ec9e81ce3dba6 (result
of a bisect) breaks badly in some situation.  With it, if I scroll
aggressively in some apps (at least Evince and SciTE) I can get the X
server to start consuming extreme CPU (even after the scroll ended).

Not only the application gets extremely slugish, but other apps too,
e.g. scrolling a terminal is equally slow and consumes resources, as
well as drawing other apps.

However, as soon as I close the initial app, everything comes back to
normal.

I don't know really how to debug this, but tell me if I can do anything.

Regards,
Colomban

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--
  Jasper