On 24/11/2012, at 10:56 AM, Dirk Schulze <dschu...@adobe.com> wrote:
> > On Nov 23, 2012, at 2:43 PM, Andreas Kling <akl...@apple.com> wrote: > >> Hi folks, >> >> Do we really think it's a good idea to add yet another implementation of >> filters? >> >> We already have generic, NEON-optimized and WTF::ParallelJobs (which >> includes generic, OpenMP and libdispatch backends) implementations of this >> code, and now we're adding OpenCL too. >> >> On the WebKit Project Goals page >> <http://www.webkit.org/projects/goals.html>, it states that: >> >> "WebKit is an engineering project not a science project. For new features to >> be adopted into WebKit, we strongly prefer for the technology or at least >> the use case for it to be proven." >> >> Correct me if I'm wrong, but we don't see much use of these features on the >> web. I understand that there's a bit of a chicken/egg problem where a >> feature won't be interesting to content creators until it performs well >> enough, but it seems like we could at least decide on a single path forward >> instead of repeatedly forking the code. > > I designed the current SVG Filters implementation in a way that hopefully > make it possible to implement HW accelerated filters on top of it. Skia and > NEON already go this path. I am not defending the OpenCL implementation for > SVG Filters per se, but different platform dependent solutions were expected > and wanted. Software filters were designed to be a fallback if an > implementation does not provide HW acceleration (yet). I hope that we see a > Core Image version of filters in the near future as well. The code for that > is in the history of the repository already. FWIW, we currently have an active Core Image filter path on OS X (only for the filter shorthands). Dean > > Greetings, > Dirk > >> >> -Kling >> >> On Nov 21, 2012, at 7:30 PM, Zoltan Herczeg <zherc...@webkit.org> wrote: >> >>> Hi, >>> >>> we start upstreaming some OpenCL optimizations into WebKit. >>> >>> This is the master bug: >>> https://bugs.webkit.org/show_bug.cgi?id=70099 >>> >>> Regards, >>> Zoltan >>> >>> >>> _______________________________________________ >>> webkit-dev mailing list >>> webkit-dev@lists.webkit.org >>> http://lists.webkit.org/mailman/listinfo/webkit-dev >> >> _______________________________________________ >> webkit-dev mailing list >> webkit-dev@lists.webkit.org >> http://lists.webkit.org/mailman/listinfo/webkit-dev > > _______________________________________________ > webkit-dev mailing list > webkit-dev@lists.webkit.org > http://lists.webkit.org/mailman/listinfo/webkit-dev _______________________________________________ webkit-dev mailing list webkit-dev@lists.webkit.org http://lists.webkit.org/mailman/listinfo/webkit-dev
