Seems generally doable, but probably more than I want to chew right now. I'll get an issue filed though.
Does anyone object to landing the synchronous font loading as a stopgap to get better reftest coverage until we make the font loading logic smarter? On Wed, Nov 4, 2015 at 8:14 PM, Bobby Holley <bobbyhol...@gmail.com> wrote: > That's a great point - I'll take a look to see how doable it is. > > > On Wed, Nov 4, 2015 at 7:28 PM, L. David Baron <dba...@dbaron.org> wrote: > >> On Wednesday 2015-11-04 19:16 -0800, Bobby Holley wrote: >> > Right now, every wpt test includes a stylesheet with an @font-face rule >> to >> > make the 'ahem' font available to tests. Since font loading triggers a >> > document-wide reflow, we end up with a non-deterministic network-driven >> > reflow in each and every test, which makes it harder to test layout >> > optimizations and increases the chances for intermittent bugs. >> > >> > In [1] I'm planning to add a debug flag to load web fonts synchronously, >> > and set that flag in the wpt runner. Please let me know if anyone has >> any >> > objections. >> >> The font shouldn't even load unless it's needed (i.e., there's text >> that uses it). I *think* that's the way things work across >> browsers, and allows inclusion of style sheets that provide a >> "library" of @font-face rules that may or may not be used. That >> would avoid the reflow except where Ahem is actually used, which >> seems like the way things ought to work. >> >> -David >> >> -- >> 𝄞 L. David Baron http://dbaron.org/ 𝄂 >> 𝄢 Mozilla https://www.mozilla.org/ 𝄂 >> Before I built a wall I'd ask to know >> What I was walling in or walling out, >> And to whom I was like to give offense. >> - Robert Frost, Mending Wall (1914) >> > > _______________________________________________ dev-servo mailing list dev-servo@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-servo
