Blitting Efficiently In Java...

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#8092

From: Benn Herrera
Date: Mon, 23 Oct 2000 00:00

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Hello -

I am working on a hybrid Java GUI/C++ back end application and have run
into
a major performance snag.  The C++ shared library I am accessing through
JNI
does 3D rendering to an image buffer provided by from the Java side.
The rendered buffer
is then displayed in a JPanel via the method drawImage.

The blitting is terribly slow.  Using the same shared library with a
native front end, I get
interactive speeds of 5-8 frames per second.  With the Java front end
i'm getting
2-3 frames per second.

The color model I'm using is one that should not require any sample
conversion
in order to match up with the display device.

Any hints?  Is there a known most-efficient way of blitting an image
buffer in Java?

Thanks much!

-Benn

--
Benn Herrera - Senior Software Engineer / Computing Operations
Resolution Sciences Corporation - http://www.resolve3d.com
527 Tamal Plaza, Corte Madera, CA 94925
T:415/945-7360xt27  F:415/945-7905  E:benn@resolve3d.com

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From: Benn Herrera <benn@resolve3d.com>
Subject: Blitting Efficiently In Java...
Date: 2000/10/23
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