I've been running nightly with this enabled for quite a while on Intel and it's been fine. Note that OMTC is required for e10s. The layer acceleration pref is a totally different thing and will stay off for the near future. It's affected by a bug in libxcb which has been patched but not made it to release yet: https://bugs.freedesktop.org/show_bug.cgi?id=84252 On 08/21/2015 01:33 AM, Martin Stransky wrote: > Folks, > > I'd use some testing for new Firefox feature - offscreen surfaces [1]. > It may also fix crashes when OMTC is enabled [2]. Browser should be a > bit faster with those features on. > > How to test? > > - Install Firefox 40 on Fedora 22,23,Rawhide (you'd need Gtk3 build) > - go to about:config, click to any key and add a new one, boolean type. > The new key name is "layers.use-image-offscreen-surfaces" and set it to > true. > - enable "layers.offmainthreadcomposition.enabled" which may be disabled > now. > - restart your browser. > > And you're set now. Please report any oddity (different than the usual > ones :)) at #BZ. > > Thanks! > ma. > > [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1015218 > [2] Off Main Thread Composition - layout rendering in separate thread. > New feature in Firefox 40. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct
