Bloody framerate

[misterX]

hi,
i get absolutely sucking framerate, even with only a simple rotating cube! Where is the problem?  
I first thought the hardware acceleration wasn't used (ATI radeon) but normaly it should use it automatically, isn't it?
And thus, where is the problem?!

[oNyx]

lwjgl or j3d or gl4java or software? :>

we need numbers - what's your framerate?. and have u turned vsync off? (u should turn it off for benchmarking)

[misterX]

oups, yeah, quite a bite lacking infos!
ok, here there are:

Java3D (openGL implementation)
running in windowed mode - standart screen resolution
on a AMD 1700
with radeon 7000

And actually, i have no exact framerate, i just see that everything running (and also the rotating cube demo) is strangely jerky, the motions are slow and "lagging".

any idea?

EDIT: and how to turn vsync off?

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[Breakfast]

In my experience ( haven't used Radeons so this may no longer be correct ) ATI cards are really weak when it comes to openGL drivers. Have you tried the Direct3D version?

[oNyx]

ah... j3d then.

well if it runs jerky it doesnt have to depend on a low framerate. i remember that i checked a j3d benchmark wich runs really jerky (guessed 30fps)... infact it was running with 650 fps :>

there is a benchmarking demo... wait... i search it...

ah k "demo\java3d\FPSCounter" there it is

start it via command line and _not_ inside your browser (java FPSCounterDemo).

u can turn vsync off via driver settings. opengl->always off (or summin simmilar). i dont know if there is a way to turn it on/off from within j3d.

[misterX]

thanks, i'll test both