The Loop-Blinn code is dead and should be removed from WebKit. I believe Ken Russell implemented it to help with some Chrome/Skia drawing performance, but since then Skia itself updated to use a similar GPU-accelerated approach.
Dean On 18 Jun 2014, at 6:07 pm, Michael IV <explomas...@gmail.com> wrote: > Hi All.I have been investigating into WebKit text rendering details and I > found Loop-Blinn implementation in GPU directory of WebCore.I have tested it > and it kind of works ok for convex shapes rendering which probably should be > ok for text glyphs outline as well. > But I have got a couple of question regarding this module: > 1)Is it used by the browsers to render text or 2d shapes? > 2)Is it actually ready for real-life usage? > 3)How anti aliasing is handled?I mean ,I found that only curves are > anti-aliased(internally by the shader) but the straight line outlines need > proper MSAA which can be pretty expensive or even unavailable on some > platforms. > > Also I found a bug: when drawing a path with two overlapping convex shapes > ,the hole created on the overlap region which is aliased. > -- > > _______________________________________________ > webkit-dev mailing list > webkit-dev@lists.webkit.org > https://lists.webkit.org/mailman/listinfo/webkit-dev _______________________________________________ webkit-dev mailing list webkit-dev@lists.webkit.org https://lists.webkit.org/mailman/listinfo/webkit-dev