Are you running on Vista by any chance, with Aero enabled?
There's a Microsoft bug (reportedly addressed in Windows 7, but I haven't had
a chance to verify it yet) which forced Java2D to disable onscreen hw
accelerated rendering in applets on Vista. The offscreen rendering is still
accelerated (when you render to the VI), but it is then copied to the screen
(browser page) using GDI.
Thanks,
Dmitri
[email protected] wrote:
I am curious, with Java 6 Update 14 on Vista, should a VolatileImage perform as
well in an applet as it does in a JFrame? I ask because I have the exact same
code running in both of these environments and the VI functioning in the applet
is *significantly* slower than in the frame. Animations that run smoothly in
the frame are stuttering in the applet.
I do realise that Java code in general runs about 20-30% faster in a frame than
in an applet but even this difference could not explain what I am seeing. It
is as though the VI has no hardware acceleration whatsoever in the applet.
Thanks,
-Qu0ll
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