On Tue, Sep 29, 2015 at 4:36 PM, Patrick Walton <pwal...@mozilla.com> wrote:
> Well, the idea here is to test the case in which the object isn't > layerized for some reason--say, the object was moving by animating > "margin-left" in JavaScript and it had complex Z-ordering constraints that > caused whatever layerization heuristics the browser had to fail, causing a > full repaint of the affected area each frame. This is, of course, a > pessimizing assumption :) But we do have reason to believe that this > happens not infrequently in practice due to the multitude of ways to > animate on the Web (see Paul Irish's writeups on this, for example). Much > of the goal here is to make the baseline performance fast, so that even > when our layerization code fails to produce the optimal result the user > experience remains nice. > Sure, that makes sense. Rob -- lbir ye,ea yer.tnietoehr rdn rdsme,anea lurpr edna e hnysnenh hhe uresyf toD selthor stor edna siewaoeodm or v sstvr esBa kbvted,t rdsme,aoreseoouoto o l euetiuruewFa kbn e hnystoivateweh uresyf tulsa rehr rdm or rnea lurpr .a war hsrer holsa rodvted,t nenh hneireseoouot.tniesiewaoeivatewt sstvr esn _______________________________________________ dev-servo mailing list dev-servo@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-servo