In my opinion the whole graphics performance on MacOSX isn’t good at all with JavaFX….
> Am 27.03.2015 um 22:10 schrieb Robert Krüger <krue...@lesspain.de>: > > The bad full screen performance is without the arcs. It is just one call to > fillRect, two to strokeOval and one to fillOval, that's all. I will build a > simple test case and file an issue. > > On Fri, Mar 27, 2015 at 9:58 PM, Jim Graham <james.gra...@oracle.com> wrote: > >> Hi Robert, >> >> Please file a Jira issue with a simple test case. Arcs are handled as a >> generalized shape rather than via a predetermined shader, but it shouldn't >> be that slow. Something else may be going on. >> >> Another test might be to replace the arcs with rectangles or ellipses and >> see if the performance changes... >> >> ...jim >> >> >> On 3/27/15 1:52 PM, Robert Krüger wrote: >> >>> Hi, >>> >>> I have a super-simple animation implemented using AnimationTimer and >>> Canvas >>> where the canvas just performs a few draw operations, i.e. fills the >>> screen >>> with a color and then draws and fills 2-3 circles and I have already >>> observed that each drawing operation I add, results in significant CPU >>> load >>> (e.g. when I draw < 10 arcs in addition to the circles, the CPU load goes >>> up to 30-40% on a Mac Book Pro for a Canvas size of 600x600(!). >>> >>> Now I tested the animation in full screen mode (only with a few circles) >>> and playback is unusable for a serious application (very choppy). Is 2D >>> canvas performance known to be very bad on Mac or am I doing something >>> wrong? Are there workarounds for this? >>> >>> Thanks, >>> >>> Robert >>> >>> > > > -- > Robert Krüger > Managing Partner > Lesspain GmbH & Co. KG > > www.lesspain-software.com
