Re: [gl4java-usergroup] newbie : swing

[Sven G. <sgo...@ja...>]

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On Tuesday 09 October 2001 04:11, Kenneth B. Russell wrote:
> > i've red that the swing library is the new user-interface library, and
> > you shouldn't really use awt, except when you can't use the swing one
> > compatibility etc.. ).
> >
> > so i wanted to use swing...
> >
> > but when i installed gl4java, in a file ( swingusage.txt ?) there was
> > that you should use awt for performance.... what does it mean? i can't
> > write fast opengl code thru swing?
>
> Sven can correct me if I'm wrong, but currently the GL4Java Swing
> implementation uses off-screen buffers which are not hardware
> accelerated. It is theoretically possible to keep track of the
> visible region of the GLJPanel in the component hierarchy (as
> long as no lightweight component is placed over it) and render
> directly to the screen, though this is not done in the current
> implementation. 

<snip>

well, you can use heavyweight components within a swing layout also ;-)

these are hardware accelerated and do have the same restriction
as kenneth mentioned (overlapping, etc.)

have a look at GL4Java/demos/testTextPPM1.java,
where swing/awt is mixed ..

live long and prosper

sven
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