Hi, btw if anyone interested about the details of this optimization you can read more about it here:
http://blogs.arm.com/software-enablement/699-using-arm-neon-to-accelerate-scalable-vector-graphics-in-webkit-by-up-to-4X/ Regards, Zoltan > Hi Jonathan, > > On 21/03/2012, at 12:56 AM, Jonathan Kliegman wrote: > >> On Wed, Mar 14, 2012 at 2:14 PM, Dean Jackson <[email protected]> wrote: >> Hi, >> >> There are three files with embedded NEON code to speed up filters: >> >> ./Source/WebCore/platform/graphics/filters/arm/FECompositeArithmeticNEON.{h,cpp} >> ./Source/WebCore/platform/graphics/filters/arm/FEGaussianBlurNEON.{h,cpp} >> ./Source/WebCore/platform/graphics/filters/arm/FELightingNEON.{h,cpp} >> >> Are any ARM ports using this? (would require SVG and FILTERS both >> enabled) If so, could you contact me? Off list is fine. >> >> I see the code came from Felician Marton via Zoltan reviewed by Dirk >> (eg. https://bugs.webkit.org/show_bug.cgi?id=65522) and it's been very >> slightly touched for some chromium build issues. >> >> Chrome OS has ports that use NEON and has SVG and FILTERS both enabled >> so this would still be used. > > Excellent! > > Zoltan and I have been chatting offline a bit. I was testing compilation > on Darwin/iOS ARM and running into a few issues. The first was about > alignment errors from the compiler. The second was some linking issues, > for example: > >> https://bugs.webkit.org/show_bug.cgi?id=81568 > > Is there someone (you?) on the Chrome team I should CC on any bugs raises? > > Dean > > > _______________________________________________ > webkit-dev mailing list > [email protected] > http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev > _______________________________________________ webkit-dev mailing list [email protected] http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
