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Mindless
PostPosted: Tue Apr 21, 2009 12:09 pm 
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Joined: Tue Apr 21, 2009 12:06 pm
Posts: 8
Hello,

I was at school and wanted to make slick working on my computer for a project. I did this tuto to configure slick with eclipse http://www.cs.bsu.edu/homepages/pvg/mis ... torial.php and it works at home but not at school.

This is my error

Code:
Tue Apr 21 14:12:43 CEST 2009 INFO:Slick Build #257
Tue Apr 21 14:12:43 CEST 2009 INFO:LWJGL Version: 2.0b1
Tue Apr 21 14:12:43 CEST 2009 INFO:OriginalDisplayMode: 1280 x 1024 x 32 @75Hz
Tue Apr 21 14:12:43 CEST 2009 INFO:TargetDisplayMode: 800 x 600 x 0 @0Hz
Tue Apr 21 14:12:43 CEST 2009 ERROR:Could not find a valid pixel format
org.lwjgl.LWJGLException: Could not find a valid pixel format
   at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
   at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
   at org.lwjgl.opengl.WindowsDisplayPeerInfo.initDC(WindowsDisplayPeerInfo.java:54)
   at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:158)
   at org.lwjgl.opengl.Display.createWindow(Display.java:299)
   at org.lwjgl.opengl.Display.create(Display.java:848)
   at org.lwjgl.opengl.Display.create(Display.java:800)
   at org.newdawn.slick.AppGameContainer.tryCreateDisplay(AppGameContainer.java:299)
   at org.newdawn.slick.AppGameContainer.access$000(AppGameContainer.java:34)
   at org.newdawn.slick.AppGameContainer$2.run(AppGameContainer.java:364)
   at java.security.AccessController.doPrivileged(Native Method)
   at org.newdawn.slick.AppGameContainer.setup(AppGameContainer.java:345)
   at org.newdawn.slick.AppGameContainer.start(AppGameContainer.java:314)
   at gameObject.pkg.SimpleTest.main(SimpleTest.java:75)
org.newdawn.slick.SlickException: Failed to initialise the LWJGL display
   at org.newdawn.slick.AppGameContainer.setup(AppGameContainer.java:375)
   at org.newdawn.slick.AppGameContainer.start(AppGameContainer.java:314)
   at gameObject.pkg.SimpleTest.main(SimpleTest.java:75)


I think the error is that i'm working with windows XP on VirtualPC 2007. So I thought opengl doesn't work but I can launch an OpenGL Application coded with SFML for example.
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BenoitGirard
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PostPosted: Tue Apr 21, 2009 12:47 pm 
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Joined: Tue Apr 03, 2007 9:27 pm
Posts: 100
Location: Canada
I'm not sure what the problem is, but here is what you can try to debug the problem.

Have you tried some sample slick web start from the website. If they work then you are simply trying to set a invalid resolution. The display size appears to be correct, but perhaps your bit dept is not support.

I know that some video card do not support certain refresh rate/bit dept/resolution combination. Try experimenting with the permutation and changing the window' resolution as well.
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Mindless
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PostPosted: Tue Apr 21, 2009 12:59 pm 
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Joined: Tue Apr 21, 2009 12:06 pm
Posts: 8
BenoitGirard wrote:
I'm not sure what the problem is, but here is what you can try to debug the problem.

Have you tried some sample slick web start from the website. If they work then you are simply trying to set a invalid resolution. The display size appears to be correct, but perhaps your bit dept is not support.

I know that some video card do not support certain refresh rate/bit dept/resolution combination. Try experimenting with the permutation and changing the window' resolution as well.


Tue Apr 21 15:04:41 CEST 2009 INFO:OriginalDisplayMode: 800 x 600 x 32 @75Hz
Tue Apr 21 15:04:41 CEST 2009 INFO:TargetDisplayMode: 800 x 600 x 0 @0Hz

I tried 16x bits and 32x bits, it doesn't work. I can launch without probs the webstart demos.

The card of the virtual machine is S3 Tri32/64, I try new drivers
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BenoitGirard
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PostPosted: Tue Apr 21, 2009 1:01 pm 
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If the webstart demo work correctly, try to pull up the source code for them from the site and initialize your game the same way. If the webstart work with that resolution you should be able to get your game to work with that same initialization sequence.

After that you can try to increase the resolution slowly until it work (or stops working).
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Mindless
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PostPosted: Tue Apr 21, 2009 1:47 pm 
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Joined: Tue Apr 21, 2009 12:06 pm
Posts: 8
Hello again.

I can't launch at school the webstart demos, sorry.

It downloads and nothing happens.

EDIT: I can launch applet like pulpcore http://www.interactivepulp.com/pulpcore/images/
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FireSlash
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PostPosted: Tue Apr 21, 2009 5:45 pm 
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Posts: 99
I can't launch slick apps under VMWare Fusion either, and it uses the same video driver.

I suspect it's a limitation of lwjgl, or a limitation of how slick implements it. Run it outside of a virtual machine and you'll have no problems.
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juako
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PostPosted: Wed Apr 22, 2009 3:18 am 
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Posts: 4
Mindless, i follow your tutorial but i had to add the lwjgl.dll to the project in eclipse.
if i don't add the file i get an error.
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Mindless
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PostPosted: Wed Apr 22, 2009 5:11 am 
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Posts: 8
I added native-win32.jar to the projects, so I got the dll in the folder too.
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Mindless
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PostPosted: Wed Apr 22, 2009 12:39 pm 
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Posts: 8
Problem solved.

I must add "-Dorg.lwjgl.opengl.Display.allowSoftwareOpenGL=true" to VM arguments
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juako
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PostPosted: Wed Apr 22, 2009 4:10 pm 
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Posts: 4
good to know :D
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erom
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PostPosted: Mon Apr 27, 2009 1:34 am 
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Joined: Mon Apr 27, 2009 1:30 am
Posts: 1
So, google searching for the same error as the OP, I came across this thread. However, even once I've added "-Dorg.lwjgl.opengl.Display.allowSoftwareOpenGL=true" to my VM arguments I get essentially the same error (I uh.. think...)

Any ideas? I've got the libs for all three operating systems included, in case there was a cross-dependency.

Code:
Sun Apr 26 21:32:54 EDT 2009 INFO:Slick Build #257
Sun Apr 26 21:32:54 EDT 2009 INFO:LWJGL Version: 2.0b1
Sun Apr 26 21:32:54 EDT 2009 INFO:OriginalDisplayMode: 1920 x 1200 x 24 @60Hz
Sun Apr 26 21:32:54 EDT 2009 INFO:TargetDisplayMode: 640 x 480 x 0 @0Hz
Sun Apr 26 21:32:55 EDT 2009 ERROR:X Error - disp: 0xffffffff90ad2150 serial: 56 error: BadMatch (invalid parameter attributes) request_code: 1 minor_code: 0
org.lwjgl.LWJGLException: X Error - disp: 0xffffffff90ad2150 serial: 56 error: BadMatch (invalid parameter attributes) request_code: 1 minor_code: 0
   at org.lwjgl.opengl.LinuxDisplay.globalErrorHandler(LinuxDisplay.java:286)
   at org.lwjgl.opengl.LinuxDisplay.nCreateWindow(Native Method)
   at org.lwjgl.opengl.LinuxDisplay.createWindow(LinuxDisplay.java:431)
   at org.lwjgl.opengl.Display.createWindow(Display.java:299)
   at org.lwjgl.opengl.Display.create(Display.java:848)
   at org.lwjgl.opengl.Display.create(Display.java:800)
   at org.newdawn.slick.AppGameContainer.tryCreateDisplay(AppGameContainer.java:299)
   at org.newdawn.slick.AppGameContainer.access$000(AppGameContainer.java:34)
   at org.newdawn.slick.AppGameContainer$2.run(AppGameContainer.java:364)
   at java.security.AccessController.doPrivileged(Native Method)
   at org.newdawn.slick.AppGameContainer.setup(AppGameContainer.java:345)
   at org.newdawn.slick.AppGameContainer.start(AppGameContainer.java:314)
   at SimpleTest.main(SimpleTest.java:21)
org.newdawn.slick.SlickException: Failed to initialise the LWJGL display
   at org.newdawn.slick.AppGameContainer.setup(AppGameContainer.java:375)
   at org.newdawn.slick.AppGameContainer.start(AppGameContainer.java:314)
   at SimpleTest.main(SimpleTest.java:21)
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cenarius
 Post subject:
PostPosted: Thu Apr 30, 2009 10:32 am 
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Joined: Fri Dec 28, 2007 3:37 pm
Posts: 87
Location: bremen, germany
try to replace the lwjgl.jar, liblwjgl.so and liblwjgl64.so files with the new files from lwjgl 2.1.0 (download the archive here: http://lwjgl.com/download.php).
[edit: wrong, take the version from the current svn trunk, that'll work]

I had /have a similar error, cause I'm using a new XServer (7.4) on my Kubuntu 9.04 machine. If it doesn't help, ask the developers of lwjgl. (http://lwjgl.com/contact.php)

Cheers, kulpae


Last edited by cenarius on Tue Sep 22, 2009 12:34 pm, edited 2 times in total.

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aquilax
 Post subject: If it doesn't help ...
PostPosted: Thu Apr 30, 2009 7:40 pm 
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Joined: Thu Apr 30, 2009 7:34 pm
Posts: 2
Try also downloading the latest build for the module from here:

https://www.newdawnsoftware.com/hudson/view/LWJGL/

This worked for my ATI Radeon Mobile under latest Ubuntu.
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kdnewton
PostPosted: Fri Jun 12, 2009 11:36 pm 
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Joined: Thu May 07, 2009 5:09 pm
Posts: 143
Location: Okanagan, BC, Canadia
I had the same/similar problem upon upgrading to Ubuntu 9.04 from Ubuntu 8.10

Any time I tried to compile one of my apps that was using Slick, it would conk out and throw an error. I just downloaded the nightly build of LWJGL from the link provided in the previous post and replaced the native libs. Now all is well.
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