gl4java-usergroup

[gl4java-usergroup] [ #405753 ] gl4java.GLContext -test fails JVM1.3 W2K

[frank <fb...@bl...>]

http://sourceforge.net/tracker/?group_id=602&atid=100602

I also ran into this problem last night.  Does anyone have a possible
solution?

 - Frank

[gl4java-usergroup] Loading images

[Nicolas C. <cad...@mi...>]

Hi,

I'm trying to load images (gif and jpg) with AWTTextureLoader. There is =
no problem if the image width is a multiple of 8. In the other case the =
image is improperly laoded, ie it is distorded and there are some weird =
pixels and colors.
Using the last versions of JDK and gl4java.
What's wrong ?

Regards

Nicolas Cadilhac

Re: [gl4java-usergroup] Security...

[<Su...@ao...>]

> just have a lock at the current gl4java hompage's extra lines within 
java.policy,
> so you see it is easy to add some lines for your server and/or file system.

Oh, that makes sense. But would other people visiting my website have to do 
the same thing to get the plugin to work?

If that is the case would you recomend sticking with MS-JVM for windows 
system for now?

Thank you,
Lee

Re: [gl4java-usergroup] Security...

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

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On Saturday 10 March 2001 11:11, Su...@ao... wrote:
> I'm having trouble with security and I have no idea why...
>
> I installed Java 2 SDK Standard Edition v1.3, and it created 2 seperate
> directories for the java run time environment, one of them is for the SDK
> and the other is for the Java 1.3 plugin. I changed the java.policy file. I
> installed GL4Java for IE/MS-JVM (no problems there), and installed it for
> the Java 1.3 plugin and for the SDK. Everything seemed ok to me at that
> point.
>
> I can compile GL4Java demo/example programs with javac with no errors, as
> well as my own tests.
>
> I can run in MS-JVM on your website and locally, no problem.
>
> I can run using the Java 1.3 plugin, and it works on your website...
>
> **here is the actual problem**
> But, the problem is, I can not run any applets locally (the demos or my own
> stuff), only the ones on your website!!! It comes back with an security
> error. Here is the console output (with a number of unnecesary things
> deleted)...
>
> Java(TM) Plug-in: Version 1.3.0_02
> Using JRE version 1.3.0_02 Java HotSpot(TM) Client VM
>
> Proxy Configuration: no proxy
>
> java.lang.ExceptionInInitializerError:
> java.security.AccessControlException: access denied
> (java.lang.RuntimePermission loadLibrary.GL4JavaJauGljJNI13) at

the solution is very simple

you may remember that you added some lines to your java.policy file
of your JDK/JRE-Plugin 1.3 installations !

well, you must add some lines to the java.policy 
for your local webserver or any other URL either !

e.g. for the URL's:
	file://C/temp/
	http://localhost:8080/test/

that's it !

just have a lock at the current gl4java hompage's extra lines within java.policy,
so you see it is easy to add some lines for your server and/or file system.

sven

> java.security.AccessControlContext.checkPermission(Unknown Source) at
> java.security.AccessController.checkPermission(Unknown Source) at
> java.lang.SecurityManager.checkPermission(Unknown Source)
>     at java.lang.SecurityManager.checkLink(Unknown Source)
>     at java.lang.Runtime.loadLibrary0(Unknown Source)
>     at java.lang.System.loadLibrary(Unknown Source)
>     at gl4java.GLContext.loadNativeLibraries(GLContext.java:711)
>     at gl4java.awt.GLCanvas.<clinit>(GLCanvas.java:177)
>     at MainApp.init(MainApp.java:139)
>     at sun.applet.AppletPanel.run(Unknown Source)
>     at java.lang.Thread.run(Unknown Source)
>
> So I have no idea what is going wrong. If you can let me know what it might
> be.
>
> The reason I am trying to get the plugin to work, is because I want to test
> out JAXP 1.1 (Java XML). I am want to port a 3d engine I developed in C++,
> the engine uses a file format similar to XML, and I am not sure how to
> install JAXP into MS-JVM (there is no instructions, I'm not sure if its
> even installable on it), or get GL4Java working with the Java 1.3 plugin,
> but looking at the amount of work that is required to install GL4Java on
> the Java 1.3 plugin I dont think I would like to put that on the browser
> clients. The only other route I have which is probably a little more
> rigorous is to port my parsing code over the Java, but that seems a bit
> hard to me considering I am just getting back into java after a couple of
> years of not using it. (Your project has sparked my interest back into it
> :))
>
> _______________________________________________
> gl4java-usergroup mailing list
> gl4...@li...
> http://lists.sourceforge.net/lists/listinfo/gl4java-usergroup

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[gl4java-usergroup] Security...

[<Su...@ao...>]

I'm having trouble with security and I have no idea why...

I installed Java 2 SDK Standard Edition v1.3, and it created 2 seperate 
directories for the java run time environment, one of them is for the SDK and 
the other is for the Java 1.3 plugin. I changed the java.policy file. I 
installed GL4Java for IE/MS-JVM (no problems there), and installed it for the 
Java 1.3 plugin and for the SDK. Everything seemed ok to me at that point.

I can compile GL4Java demo/example programs with javac with no errors, as 
well as my own tests.

I can run in MS-JVM on your website and locally, no problem.

I can run using the Java 1.3 plugin, and it works on your website...

**here is the actual problem**
But, the problem is, I can not run any applets locally (the demos or my own 
stuff), only the ones on your website!!! It comes back with an security 
error. Here is the console output (with a number of unnecesary things 
deleted)...

Java(TM) Plug-in: Version 1.3.0_02
Using JRE version 1.3.0_02 Java HotSpot(TM) Client VM

Proxy Configuration: no proxy

java.lang.ExceptionInInitializerError: java.security.AccessControlException: 
access denied (java.lang.RuntimePermission loadLibrary.GL4JavaJauGljJNI13)
    at java.security.AccessControlContext.checkPermission(Unknown Source)
    at java.security.AccessController.checkPermission(Unknown Source)
    at java.lang.SecurityManager.checkPermission(Unknown Source)
    at java.lang.SecurityManager.checkLink(Unknown Source)
    at java.lang.Runtime.loadLibrary0(Unknown Source)
    at java.lang.System.loadLibrary(Unknown Source)
    at gl4java.GLContext.loadNativeLibraries(GLContext.java:711)
    at gl4java.awt.GLCanvas.<clinit>(GLCanvas.java:177)
    at MainApp.init(MainApp.java:139)
    at sun.applet.AppletPanel.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)

So I have no idea what is going wrong. If you can let me know what it might 
be.

The reason I am trying to get the plugin to work, is because I want to test 
out JAXP 1.1 (Java XML). I am want to port a 3d engine I developed in C++, 
the engine uses a file format similar to XML, and I am not sure how to 
install JAXP into MS-JVM (there is no instructions, I'm not sure if its even 
installable on it), or get GL4Java working with the Java 1.3 plugin, but 
looking at the amount of work that is required to install GL4Java on the Java 
1.3 plugin I dont think I would like to put that on the browser clients. The 
only other route I have which is probably a little more rigorous is to port 
my parsing code over the Java, but that seems a bit hard to me considering I 
am just getting back into java after a couple of years of not using it. (Your 
project has sparked my interest back into it :))

Re: [gl4java-usergroup] GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

[Kenneth B. R. <kbr...@al...>]

> From: "Chris Gibbs" <cw...@ca...>
> Cc: "Heesuk Shin" <jfh...@ho...>
>
> but when i download the source code for a gl4java program and try to compile
> it on my machine, i get access control exceptions again :o(

Do you mean run it on your machine?

Try adding the following to your jre/lib/security/java.policy
(modify as necessary for your path):

grant codeBase "file:C:/Users/me/GL4Java/GL4Java/demos/-"
{
  permission java.security.AllPermission;
};

-Ken

[gl4java-usergroup] Docs Updated (a bit for Java2/JRE) ...

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

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well .. because many support request came in,
about Java2/JRE-PlugIn etc.,
I have added some info's to the *.txt files.

The "manual" is online again ..

Some more TM's and project name changes added ;-)

this is the only reason for the archives file versions 2.6.0.1 

kind regards, sven
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Re: [gl4java-usergroup] GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

[Chris G. <cw...@ca...>]

hmmmmm

maybe not :o(

i can look at all jdk 1.3 plugin gl4java applets on the web fine, no probs ,
all sweet :o)

but when i download the source code for a gl4java program and try to compile
it on my machine, i get access control exceptions again :o(

chris

----- Original Message -----
From: "Artiste on the Web" <a1...@So...>
To: <gl4...@li...>
Cc: "Heesuk Shin" <jfh...@ho...>; "Chris Gibbs" <cw...@ca...>
Sent: Monday, March 05, 2001 10:33 AM
Subject: Re: [gl4java-usergroup] GL4Java compatible with WinMe, Win98SE,
WinXP, ... ?


> > On Friday 02 March 2001 23:09, Heesuk Shin wrote:
> > > Hi~ I'm Heesuk Shin in New Zealand.
> > > My friend and I each tried to install  in both WinMe machines and
> > > failed, in my case freezing the computer(illegal operation).
> >  My friend
> > > later used Win98SE to install GL4Java and failed, saying he has to
install
> > > the whole thing again.
> > > I tried the installation with my Win95a machine and it succeeded.
> > > Is there any incompatiblity issue in GL4Java with WinMe or possibly
also
> > > Win98SE?
> >
> > > Thanks,
> > > Heesuk Shin
>
> I've used manual installation (download the file and put them manually
> in the right directories) with winME, and it works well.
>
> So it seems to be just a problem in the installer, not GL4Java itself.
>
> A11W
>
>
>

Re: [gl4java-usergroup] GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

[Chris G. <cw...@ca...>]

WOW!

u are right!

before , my java was messed up after lots of messing around (!) , and i
reinstalled microsoft VM for java , then did a manual installation,  it
works fine

thanks guys!

chris gibbs

----- Original Message -----
From: "Artiste on the Web" <a1...@So...>
To: <gl4...@li...>
Cc: "Heesuk Shin" <jfh...@ho...>; "Chris Gibbs" <cw...@ca...>
Sent: Monday, March 05, 2001 10:33 AM
Subject: Re: [gl4java-usergroup] GL4Java compatible with WinMe, Win98SE,
WinXP, ... ?


> > On Friday 02 March 2001 23:09, Heesuk Shin wrote:
> > > Hi~ I'm Heesuk Shin in New Zealand.
> > > My friend and I each tried to install  in both WinMe machines and
> > > failed, in my case freezing the computer(illegal operation).
> >  My friend
> > > later used Win98SE to install GL4Java and failed, saying he has to
install
> > > the whole thing again.
> > > I tried the installation with my Win95a machine and it succeeded.
> > > Is there any incompatiblity issue in GL4Java with WinMe or possibly
also
> > > Win98SE?
> >
> > > Thanks,
> > > Heesuk Shin
>
> I've used manual installation (download the file and put them manually
> in the right directories) with winME, and it works well.
>
> So it seems to be just a problem in the installer, not GL4Java itself.
>
> A11W
>
>
>

Re: [gl4java-usergroup] GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

[Artiste on t. W. <a1...@So...>]

> On Friday 02 March 2001 23:09, Heesuk Shin wrote:
> > Hi~ I'm Heesuk Shin in New Zealand.
> > My friend and I each tried to install  in both WinMe machines and
> > failed, in my case freezing the computer(illegal operation).
>  My friend
> > later used Win98SE to install GL4Java and failed, saying he has to install
> > the whole thing again.
> > I tried the installation with my Win95a machine and it succeeded.
> > Is there any incompatiblity issue in GL4Java with WinMe or possibly also
> > Win98SE?
> 
> > Thanks,
> > Heesuk Shin

I've used manual installation (download the file and put them manually
in the right directories) with winME, and it works well.

So it seems to be just a problem in the installer, not GL4Java itself.

A11W

Re: [gl4java-usergroup] Problem with fonts in the release 2.6.0

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

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On Tuesday 06 March 2001 00:51, Nicolas Cadilhac wrote:
> Hi,
>
> In the previous release, I was creating a native font in windows (using
> wgl) from the opengl init method. It was working. In the current release,
> it doesn't work anymore. I have to create my font fron the display method.
> Why ?
>

os ? (windows ;-)
jdk version (>=1.3.0 sun) ?
gl4java version ? (2.6.0 ;-)

well, i guess you mean the GLCanvas.init() method !

this method is called like before, at the same time.
the only difference could be, that the 
Win32 GraphicalConfiguration -> PIXELFORMATDESCRIPTOR 
is now different, because of the new implementation, if using jdk >= 1.3 !

if it runs as before, using jdk 1.2.2,
you have to set the GLCapabilities correct, to fit your needs !

GLCanvas.init() ist just called _before_ the very first
GLCanvas.display() call !

The opengl context is allready made current if calling GLCanvas.init(),
so you should not call glj.gljMakeCurrent() within GLCanvas.init()

this is just a suggestion ...

> Regards
>
> Nicolas Cadilhac

kind regards, sven

btw: please leave those gif stuff on your workstation, the next time
_and_ use ascii mode only
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Re: [gl4java-usergroup] linux ( browser + gl4java ) test

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

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On Tuesday 06 March 2001 03:12, Sven Goethel wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> gl4java 2.6.0 run's well under linux browser's
>
> machine:
> =======
>
> intel p3
> kernel 2.4.2
> glibc 2.1.3
> xfree86 4.0.2
> nvidia 0.9-6
>

btw, gl4java run's on all jdk version's (>= 1.1.8) and vendors
just using the jdk or appletviewer !

more results are wellcome ..

may be we can generate a detailed matrix ?

sven
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[gl4java-usergroup] linux ( browser + gl4java ) test

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

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gl4java 2.6.0 run's well under linux browser's

machine:
=======

intel p3
kernel 2.4.2
glibc 2.1.3
xfree86 4.0.2
nvidia 0.9-6

kde 2.1's konqueror + show_java_console:=false
=====================================
	- OK: jdk 1.3.0 blackdown ( ** best choice ** )	
	- OK: jdk 1.2.2 blackdown 
	- OK: jdk 1.3.0 ibm
	- OK: jdk 1.2.2 blackdown, sun

	- NOK: jdk 1.3.0     	sun (no picture)
	- NOK: jdk 1.3.0_02  	sun (no picture)
	- NOK: jdk 1.3.1 b15 	sun (no picture)

	with show_java_console:=true, 
	my x server crashes ... (may be just an nvidia failure ...)

Netscape 4.76 + 6
===============
	- OK: jdk 1.3.0 * blackdown, sun, ibm

	for Netscape <= 4.76, 
	you have to set the environment variable:
		NPX_PLUGIN_PATH=<JDK_HOME>/jre/plugin/i386

have fun, sven

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[gl4java-usergroup] Re: GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

[aNt <an...@to...>]

helloooo all.

Well gl4Java we tested on MacOS 8.x, Mac OS 9.x, Win95, Win98SE, WinME,
Win2000pro, Win2000WS, Irix(SGI), and nasty Linux(RedHat) here. all tested
hardcore top working action. We cant get it running under MacOSX but then we
no about that 20days to go till its final :) Sven u can do it :). Gerard
where are u, the public beta is way out of date now, so 'G' nock it out mate
:) come on.

all test where application's 'exe' not in a browsers mind. can fling ql4java
over are test units if u like in a browsers (IE and NS).

tops


aNt

Re: [gl4java-usergroup] jdk 1.3.0_02

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

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On Saturday 03 March 2001 16:01, Chris Gibbs wrote:
> what i want to know it just why
> the initial value of  java.home = C:\JDK13~1.0_0   ,
> when jdk1.3.0_02 is installed
>
> that is not a valid directory , and i notice
> that a few other of the variables use this directory
>

;-)

This is a Sun JVM behavior ..
ask them, but it works.

I have no problems with that ..

>
> this might be why the gl4java installation keeps crashing...
>

no, it is the same on my Win98 machine ..

the crash should be reproduced by a developer
and send to Sun as a bug !

it should not being possible to crash a machine
just with a pure java applet using a privilege !

would be interesting, if it is the same behavior
with 1.3.1 beta ..

>
>
> chris
>

sven

>
>
> _______________________________________________
> gl4java-usergroup mailing list
> gl4...@li...
> http://lists.sourceforge.net/lists/listinfo/gl4java-usergroup

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[gl4java-usergroup] jdk 1.3.0_02

[Chris G. <cw...@ca...>]

what i want to know it just why 
the initial value of  java.home = C:\JDK13~1.0_0   ,
when jdk1.3.0_02 is installed

that is not a valid directory , and i notice
that a few other of the variables use this directory


this might be why the gl4java installation keeps crashing...



chris

[gl4java-usergroup] oh no!

[Chris G. <cw...@ca...>]

ok, i found why the access control settings werent right...

in C:/jdk1.3.0_02/jre/lib/security/java.security , i changed one of the
lines to the following :

policy.url.1=file://C:/jdk1.3.0_02/jre/lib/security/java.policy


my java.home variable wasnt set right...


but now , when i try to do the java 1.3 plugin installation , the applet
begins to load ok .... then OH NO!
i get that dreaded "c:/windows/command.com" ms-dos window , which causes an
illegal exception ,
and causes the entire computer to crash!

do you think i should now try the beta jdk 1.3.1 ???

i dont think it will have much of a difference, especially if sun say that
1.3.0_02 is SUPPOSED to work with win ME


:o(


chris
cw...@ca...

Re: [gl4java-usergroup] GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

[Chris G. <cw...@ca...>]

ive got the new jdk 1.3.0_02 installed,
but im still getting access control exceptions when trying to install
gl4java under the java 1.3 plug-in

hmmm


chris

[gl4java-usergroup] Re: GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

[Chris G. <cw...@ca...>]

phew, i was about to do an entire format of my hard drive ,
but i dont think that will make any difference

i have tried both win me first edition and win me second edition

win98SE = windows 98 second edition

thanks

chris gibbs
cw...@ca...

----- Original Message -----
From: "Sven Goethel" <sgo...@ja...>
To: "gl4java-usergroup" <gl4...@li...>
Cc: "Heesuk Shin" <jfh...@ho...>; "Chris Gibbs" <cw...@ca...>
Sent: Saturday, March 03, 2001 7:52 AM
Subject: GL4Java compatible with WinMe, Win98SE, WinXP, ... ?


> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Dear Heesuk, Dear Chris,
>
> I post this answer to the gl4java-usergroup
> mailinglist !
>
> Please add yourself to it.
>
> Now we have to do a task for the new Win32 machines ...
>
> On Friday 02 March 2001 23:09, Heesuk Shin wrote:
> > Hi~ I'm Heesuk Shin in New Zealand.
> > My friend and I each tried to install GL4Java in both WinMe machines and
> > failed, in my case freezing the computer(illegal operation). My friend
> > later used Win98SE to install GL4Java and failed, saying he has to
install
> > the whole thing again.
> > I tried the installation with my Win95a machine and it succeeded.
> > Is there any incompatiblity issue in GL4Java with WinMe or possibly also
> > Win98SE?
> > Thanks,
> > Heesuk Shin
>
> What the hell is Win98SE ?
>
> And yes .. I had a long email contact with Chris Gibbs,
> he tried to install it on Win-ME .. no success :-(
>
> It is very funny, that WinME freezes just while the installation
> process !
>
> The Installer is written in _pure_ java !!!
> The installer just needs some permissions to being able
> - to copy files to your local harddisk
> - to fetch some JVM informations
>
> So I guess, that sun's jdk 1.3 and may be other's
> does not function correct !!!
>
> It is time to check the Windows successors:
> - WinME
> - Win98SE (what is this ?)
>
> I know it work on Windows machines:
> - Win95
> - Win98
> - Win NT 4.0
> - Win2000
> with Java VM's:
> - sun's jdk 1.1 - 1.3
> - ibm's jdk 1.3
> - MS-JVM >= 3186
> - Netscape JVM 1.1.4
>
> Please help !
>
> We need a team, who is able to check the Win98SE, WinME,
> WinXP and other Win32 successors !
>
> kind regards, sven
>
> - ----------------------------------------
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> mailto:sgo...@ja...
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Re: [gl4java-usergroup] GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

[Max G. <gi...@li...>]

Sven Goethel wrote:

> What the hell is Win98SE ?

Kind of Win98 2.0 - new drivers, applied patches, newer IE etc.

Max



--
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-- Max Gilead --- gi...@li...                       --
--        XMage library --- http://xmage.sourceforge.net --
-----------------------------------------------------------
-- Any system that depends on reliability is unreliable. --
--                         --- Nogg's postulate          --

Re: [gl4java-usergroup] GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

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

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For WinME and successors, please try Sun's J2SE 
	- Version 1.3.0_02, or the 
	- Version 1.3.1 beta (developer early access)

they (Sun) say it is Windows-ME compatible ...

sven

On Saturday 03 March 2001 08:52, Sven Goethel wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Dear Heesuk, Dear Chris,
>
> I post this answer to the gl4java-usergroup
> mailinglist !
>
> Please add yourself to it.
>
> Now we have to do a task for the new Win32 machines ...
>
> On Friday 02 March 2001 23:09, Heesuk Shin wrote:
> > Hi~ I'm Heesuk Shin in New Zealand.
> > My friend and I each tried to install GL4Java in both WinMe machines and
> > failed, in my case freezing the computer(illegal operation).
>
>  My friend
>
> > later used Win98SE to install GL4Java and failed, saying he has to
> > install the whole thing again.
> > I tried the installation with my Win95a machine and it succeeded.
> > Is there any incompatiblity issue in GL4Java with WinMe or possibly also
> > Win98SE?
> >
> > Thanks,
> > Heesuk Shin
>
> What the hell is Win98SE ?
>
> And yes .. I had a long email contact with Chris Gibbs,
> he tried to install it on Win-ME .. no success :-(
>
> It is very funny, that WinME freezes just while the installation
> process !
>
> The Installer is written in _pure_ java !!!
> The installer just needs some permissions to being able
> 	- to copy files to your local harddisk
> 	- to fetch some JVM informations
>
> So I guess, that sun's jdk 1.3 and may be other's
> does not function correct !!!
>
> It is time to check the Windows successors:
> 	- WinME
> 	- Win98SE (what is this ?)
>
> I know it work on Windows machines:
> 	- Win95
> 	- Win98
> 	- Win NT 4.0
> 	- Win2000
> with Java VM's:
> 	- sun's jdk 1.1 - 1.3
> 	- ibm's jdk 1.3
> 	- MS-JVM >= 3186
> 	- Netscape JVM 1.1.4
>
> Please help !
>
> We need a team, who is able to check the Win98SE, WinME,
> WinXP and other Win32 successors !
>
> kind regards, sven
>
> - ----------------------------------------
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> _______________________________________________
> gl4java-usergroup mailing list
> gl4...@li...
> http://lists.sourceforge.net/lists/listinfo/gl4java-usergroup

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[gl4java-usergroup] GL4Java compatible with WinMe, Win98SE, WinXP, ... ?

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

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Dear Heesuk, Dear Chris,

I post this answer to the gl4java-usergroup
mailinglist !

Please add yourself to it.

Now we have to do a task for the new Win32 machines ...

On Friday 02 March 2001 23:09, Heesuk Shin wrote:
> Hi~ I'm Heesuk Shin in New Zealand.
> My friend and I each tried to install GL4Java in both WinMe machines and
> failed, in my case freezing the computer(illegal operation).
 My friend
> later used Win98SE to install GL4Java and failed, saying he has to install
> the whole thing again. 
> I tried the installation with my Win95a machine and it succeeded.
> Is there any incompatiblity issue in GL4Java with WinMe or possibly also
> Win98SE?
 
> Thanks,
> Heesuk Shin

What the hell is Win98SE ?

And yes .. I had a long email contact with Chris Gibbs,
he tried to install it on Win-ME .. no success :-(

It is very funny, that WinME freezes just while the installation
process !

The Installer is written in _pure_ java !!!
The installer just needs some permissions to being able 
	- to copy files to your local harddisk
	- to fetch some JVM informations

So I guess, that sun's jdk 1.3 and may be other's
does not function correct !!!

It is time to check the Windows successors:
	- WinME
	- Win98SE (what is this ?)

I know it work on Windows machines:
	- Win95
	- Win98
	- Win NT 4.0
	- Win2000
with Java VM's:
	- sun's jdk 1.1 - 1.3
	- ibm's jdk 1.3
	- MS-JVM >= 3186
	- Netscape JVM 1.1.4

Please help !

We need a team, who is able to check the Win98SE, WinME,
WinXP and other Win32 successors !

kind regards, sven

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[gl4java-usergroup] Re: GL4Java and OpenGL extensions

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

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On Saturday 03 March 2001 03:16, Andy Kriger wrote:
> Does GL4Java support loading OpenGL extensions? I'm just starting to play
> with GL4Java and OpenGL so I don't really need this yet, but when the time
> comes and I can get myhands on a GeForce3, I'm wondering if I'll be able to
> make direct calls to their extensions using GL4Java.
>

OpenGL[TM] for Java[TM], former gl4java,
does allready support extensions !

Just do a 
	>java gl4java.GLContext -info
ot press the gl4java button on a demo, e.g. gears.

The extension- and the regular OpenGL 1.2 functions 
are dynamically loaded.

So the question is just: "What extensions are supported ?"

Well, currently _not_ the vendor specific ones ..

Have a look at the output and or the API docu of gl4java.

In the future, I would love to add some
	GLNVFunc, GLATIFunc, etc.
for the proprietaer vendor extensions ..

> thx (and great work - especially the documentation of a difficult manual
> setup)

you mean it is a good manual ;-)

regards, sven
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Re: [gl4java-usergroup] error when calling gljFree

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

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On Monday 26 February 2001 16:41, Nicolas Cadilhac wrote:
> Hi,
>
> I get this error when calling gljFree at the end of my display method. I
> have this with 2.6.0 and had it before this revision too. What is it ?
> Thanks
>
> Nicolas Cadilhac
>
> GL ERROR : invalid operation
> GL ERROR : 1282 == 0x502
> java.lang.Exception
>  at gl4java.GLContext.gljCheckGL(GLContext.java:1994)
>  at gl4java.awt.GLCanvas.display(GLCanvas.java:748)

Well as you can see,  gljCheckGL is called by GLCanvas.

gljCheckGL checks the GL error state, with the call of glGetError !
if an error occurs, it is printed plus an exception stack trace.
the error state is cleared after the call ..

to find the error, you can simply call gljCheckGL 
at many places within you display method,
but not between glBegin and glEnd !

sven
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[gl4java-usergroup] Version 2.6.0.0 Released

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

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Dear gl4javas,

the new version 2.6.0.0 is released yesterday.

I have attached the 
	CHANGES.txt for this version, and the 
	README-Version-2-5-2.txt 

which describes all new features and difficulties.

comments are wellcome 

byebye, sven

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