[gl4java-usergroup] Fwd: Re: pixel format

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

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Subject: Re: pixel format
Date: Wed, 18 Oct 2000 22:30:36 +0200
From: Sven Goethel <sgo...@ja...>
To: bm...@we...


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On Wed, 18 Oct 2000, you wrote:
> Sven,
>
>      Pertaining to the letter I sent yesterday, the reason the microsoft
>      OpenGL library is being used in my application is because of the
>      choosen pixel format. My application selects PIXELFORMAT 3. I know
>      this because I set gljNativeDebug and gljClassDebug to true. When I
>      run the GL4Java demos, the PIXELFORMAT is set to 2. Format 2 sets the
>      PFD_SUPPORT_GDI while format 3 sets PFD_GENERIC_FORMAT.
>
>      When I run a GL4Java demo, and then my Java application, both use
>      format 2. When I run my Java app, and then a GL4Jave, both use format
>      3. I would like to format 2, as this seems to offer better performance
>      (3dlabs vs. microsoft).
>
>      Is there a way to set the pixel format in GL4Java?
>
>      Thanks
>      Brian

well, this is because of the visual features you have choosed.

an appropiate pixelformat is choosed, based upon your choosed visual,
like: doubleBuffer, stereo, rgba, ..

Well, an 100% OpenGL driver should support you with all these formats ;-)

We have to check the details, if this is an GL4Java bug choosing the
PIXELFORMAT, or a driver (usage/installation) bug ..
(i thing it is the latter ..)


You may want to add the debug outputs .. of both:
	java gl4java.GLContext -info
and
	... you java application ...

.. please zip/gzip this info's with a high compression.

Yours, Sven
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