[Fwd: Re: [gl4java-usergroup] SetDCPixelFormat fails under jdk1.4.1]

[Pepijn V. E. <pep...@lu...>]

-------- Original Message --------
Subject: Re: [gl4java-usergroup] SetDCPixelFormat fails under jdk1.4.1
Date: Mon, 04 Nov 2002 11:15:12 +0100
From: Pepijn Van Eeckhoudt <pep...@lu...>
To: kbr...@al...
References: <200...@ml...>

Just a short note to keep you informed. I looked into this bug last
week, but I can't reproduce it on my pc at home (geforce3), so I'm
starting to think it's driver specific. At work I only have an onboard
i810. I've had troubles with intel's opengl driver before, so this
wouldn't surprise me. It would be nice to get a cleaner error message
anyway, so I'll see if I can find some time to look into it at work.

Pepijn Van Eeckhoudt

Kenneth B. Russell wrote:
 >>On any pointers to some decent documentation on this stuff? I have no
 >>experience at all with the win32 api or jawt, so any tips before I start
 >>bug hunting would be very welcome :)
 >
 >
 > 
http://java.sun.com/j2se/1.4.1/docs/guide/awt/1.3/AWT_Native_Interface.html
 >
 > The JAWT documentation doesn't provide a lot of detail on the
 > semantics. All I would recommend at first is instrumenting the
 > GL4Java code with printf's to see the return values from the JAWT
 > routines, in particular locking the drawing surface. See if the
 > return value changes just before the crash on 1.4.1 and if it
 > remains the same on 1.3.1.
 >
 > Documentation on SetPixelFormat and other Windows APIs can be
 > found at http://msdn.microsoft.com/ .
 >
 >
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