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  OpenJRE7 - Is there any hardware acceleration for OpenGL applets on browser ?  (Read 1318 times)
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Offline Jari Särö

Junior Member


Medals: 1



« Posted 2012-05-15 02:58:34 »

Hello,

I have OpenJRE7 on Ubuntu 11.10, how to make my applet on firefox opengl accelerated, i currently have framerate at only 1 fps.

My applet is hardware accelerated by opengl on eclipse and appletviewer, why it is not on firefox.

I have installed 'openjdk-7-jdk openjdk-7-jre icedtea-plugin' on my ubuntu.

I have '-Dsun.java2d.opengl=True' on my html code, like i have it on my eclipse.
Offline ra4king

JGO Kernel


Medals: 345
Projects: 3
Exp: 5 years


I'm the King!


« Reply #1 - Posted 2012-05-15 04:34:51 »

It's best to simply avoid Java2D, since it's generally slow, especially on Linux systems.

Offline 65K
« Reply #2 - Posted 2012-05-15 06:23:31 »

Give this flag a try:
-Dsun.java2d.xrender=true

Maybe it helps, you never know with these flags. On my machine, when enabling the OpenGL mode, it leads to empty screens, always.

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Offline gouessej
« Reply #3 - Posted 2012-05-15 16:17:04 »

Hi

You can use this flag in your applet too.

Offline lhkbob

JGO Knight


Medals: 32



« Reply #4 - Posted 2012-05-15 19:47:59 »

Do not use excessive calls to Thread.sleep or Thread.yield. You should only do this once at the end of all of your drawing, and then maybe only for about 10ms.

Offline gouessej
« Reply #5 - Posted 2012-05-16 18:38:22 »

Do not use excessive calls to Thread.sleep or Thread.yield. You should only do this once at the end of all of your drawing, and then maybe only for about 10ms.
In my humble opinion, it is not mandatory and it can seriously decrease the frame rate. I found bad benchmarks using it several years ago, the frame rate was 30% lower because of that.

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