Comments on: Javascript Depth of Field Effect

By: Abhishek Dey

Abhishek Dey — Tue, 14 Jul 2009 04:32:07 +0000

Runs great on Opera and Chrome. Slide show in Firefox 3.5.

and doesn’t support on IE8!!!

By: Ayo

Ayo — Mon, 13 Jul 2009 14:26:55 +0000

this is silly..hardly works on my firefox. more like a slideshow..and i am running on 2gb memory with intel core duo…am i missing something..? ah yeah..my internet connection…too bad our future apps will rely on the reliability of the internet

By: rogalik

rogalik — Sun, 12 Jul 2009 12:27:29 +0000

The demo on my firefox seem to run only when I move my mouse (that is, ff refreshes the view when my USB mouse is refreshed)

By: Jami

Jami — Sat, 11 Jul 2009 18:44:14 +0000

“If the same demo, in the same machine, runs faster on Chrome than in Firefox thats because the JavaScript Engine is well designed… I guess…”

It might run faster because chromes rendering engine is faster than firefox. The whole script behind the demo doesn’t seem to be complicated enough to tell anything about the speed of the javascript engine. The “Qt Demo Browser” for example has a faster javascript engine than firefox (I have tested this with several good benchmarks) but this demo runs much much slower in Qt Browser than Firefox.

Some hundred vector operations (even in a script) aren’t such a performance killer like spirit rendering with alpha blending done in software.

By: FMoreira

FMoreira — Sat, 11 Jul 2009 15:58:28 +0000

“The smaller the window the faster the demo runs, so obviously the bottleneck is somewhere in the rendering engine”

It’s a bootleneck but it is a natural one… If the rendering are gets smaller the number of pixels in the screen also get reduced. Less pixels to render to means a jump in performance.

”thus I don’t know how this is this supposed to show the speed of Chrome Javascript engine…”

If the same demo, in the same machine, runs faster on Chrome than in Firefox thats because the JavaScript Engine is well designed… I guess…

By: Jami

Jami — Fri, 10 Jul 2009 18:51:45 +0000

The smaller the window the faster the demo runs, so obviously the bottleneck is somewhere in the rendering engine; thus I don’t know how this is this supposed to show the speed of Chrome Javascript engine…

By: Satyr

Satyr — Fri, 10 Jul 2009 10:28:24 +0000

It doesm’t work on IE8 … as usual when it comes to javascripts IE sucks!

By: Cyril

Cyril — Fri, 10 Jul 2009 09:18:43 +0000

OK maybe it comes from my system, but here is what I get with chrome: http://www.icare3d.org/ChromeJSDoF.png

By: JeGX

JeGX — Fri, 10 Jul 2009 09:01:14 +0000

I updated the post with chrome and firefox rendering. It’s hard to see the difference.

By: Cyril

Cyril — Fri, 10 Jul 2009 08:33:55 +0000

Wait, for me image quality is not the same at all between firefox and Chrome. While firefox display nicely filtered balls, Chrome display them badly interpolated and pixellated, you can’t compare performances in this condition.

By: FMoreira

FMoreira — Fri, 10 Jul 2009 08:26:46 +0000

It also runs nice on Opera 10 Beta 1