Expected frame rates for a full-screen blur

Mike Hearn mike at plan99.net
Tue Apr 1 17:49:57 UTC 2014


How do I do that? And won't that make everything blurry? Retina support is
one reason why I chose JFX. Swing on Retina Macs is pretty much unusable,
it's like looking through thick plastic.


On Tue, Apr 1, 2014 at 7:26 PM, Jeff Martin <jeff at reportmill.com> wrote:

> If it's a MacBook Pro Retina, you might try it with and without retina
> level resolution. I haven't tested JavaFX 8 with retina, but JFX 7 had
> serious problems that would go away when I changed the display to
> non-retina.
>
> jeff
>
>
> On Apr 1, 2014, at 11:41 AM, Mike Hearn <mike at plan99.net> wrote:
>
> > Actually, playing some more, it seems like the poor frame rates I'm
> seeing
> > are not blur related, but rather affect any animation (i.e. all
> rendering)
> > when my main window is maximized. Shrinking the window so it's smaller
> > results in smooth animations of any kind. This seems to be true no matter
> > how I try and simplify my scene (e.g. turning off a tiled background
> image).
> >
> > I grabbed Ensemble and tried the circle blur demo. It actually made my
> > entire laptop unusable. The entire OS crawled to a halt and fps was maybe
> > 0.3 for everything, not just the Java app. Going back to the main menu
> made
> > things snappy again.
> >
> > This is a bit disconcerting. Does anyone else see such appalling
> > performance impact from the blurred circles demo on their Mac? Is this a
> > driver issue, perhaps? Are there any platforms where this demo hits a
> good
> > fps?
> >
> >
> >
> > On Tue, Apr 1, 2014 at 6:10 PM, Mike Hearn <mike at plan99.net> wrote:
> >
> >> Hi there,
> >>
> >> On a MacBook Pro with OS X 10.9.2, does anyone have any estimates for
> >> anticipated frame rates of a full-screen animated blur? I noticed that
> when
> >> my window is not maximized, the blur is smooth and high frame-rate. When
> >> maximized the blur is somewhat choppy. Unfortunately I have no clue how
> >> much work is really involved in GPU blurring and whether I'm being
> >> unreasonable to expect that many pixels to be blurred per second (this
> is
> >> on a retina display).
> >>
> >> Can anyone let me know if it's worth me trying to optimise this or
> whether
> >> hardware limitations will mean that realistically I am expecting too
> much.
> >>
> >> thanks!
> >>
>
>


More information about the openjfx-dev mailing list