I noticed the high-dpi problem on a high-end MacBook Pro Retina. Took me by surprise for JavaOne demos since I usually use an external monitor (non-retina). I ended up switching to low dpi.
jeff On Jan 3, 2014, at 3:59 PM, Stephen F Northover <steve.x.northo...@oracle.com> wrote: > Hi Tobias, > > Sorry about that. > > Looking at the bug, it seems to me that we have gotten to the bottom of it. > Some iOS devices are scrolling fine while others are slower. The difference > seems to be that high dpi disables optimizations and this causes the slowness > on iOS. The same optimizations are disabled on the desktop, but the desktop > is much faster and people don't notice. There was some discussion about > performance in the simulator, but we should ignore that. Performance on the > device is what matters. > > iOS and Android are not currently supported platforms for JavaFX. We are > looking towards the community to step up and submit patches to take these > ports forward. Johan Vos and others are helping with Android. Are you > interested in working on iOS? If so, please build on the patches in > https://javafx-jira.kenai.com/browse/RT-31453 and take the work forward. > > The first step would be to prove that we can be fast (which I think we can if > we run with the optimizations) then understand how to turn the optimizations > back on. > > Steve > > On 2014-01-03 3:28 PM, Tobias Bley wrote: >> Hi, >> >> many months ago I reported the „poor performance on iOS“ issue >> (https://javafx-jira.kenai.com/browse/RT-31453). Now 6 months later the bug >> is already open and no one of Oracle answers me on Jira. >> >> What’s up? How can we fix this important bug? >> >> Best, >> Tobi >> >