FYI: multi-threaded rendering is disabled in Qt for all of mesa

Martin Gräßlin mgraesslin at kde.org
Tue Apr 29 10:07:01 UTC 2014


On Tuesday 29 April 2014 12:03:28 Marco Martin wrote:
> On Tuesday 29 April 2014 11:48:30 Martin Gräßlin wrote:
> > On Monday 28 April 2014 18:34:34 Marco Martin wrote:
> > > how can be disabled? only setting a variable? doesn't seem to exist a
> > > public api for that...
> > 
> > I just checked again and I couldn't find public API. What I found are:
> > * setting QML_BAD_GUI_RENDER_LOOP to 1
> > * setting QSG_RENDER_LOOP to basic
> > 
> > QSG_RENDER_LOOP overrides QML_BAD_GUI_RENDER_LOOP so it's still possible
> > to
> > enforce the threaded render loop if QML_BAD_GUI_RENDER_LOOP is set to 1 by
> > setting QSG_RENDER_LOOP to threaded.
> 
> ok, so we could export QML_BAD_GUI_RENDER_LOOP from startkde and should be
> enough?

do we really want to enforce it for every application?

Cheers
Martin
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