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  LWJGL Renderer  (Read 803 times)
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Offline Amos Wenger

Senior Member




Everything's possible, but not everything's fun...


« Posted 2006-06-22 12:42:03 »

Quote
I get
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org.lwjgl.opengl.OpenGLException: Invalid operation (1282)

I've seen this error commonly happens when using more than one thread but I do have one thread only ! Here's the complete stack trace :
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org.lwjgl.opengl.OpenGLException: Invalid operation (1282)
at org.lwjgl.opengl.Util.checkGLError(Util.java:56)
at org.lwjgl.opengl.Display.swapBuffers(Display.java:566)
at org.lwjgl.opengl.Display.update(Display.java:582)
at com.xith3d.render.lwjgl.CanvasPeerImpl.renderDone(CanvasPeerImpl.java:772)
at com.xith3d.render.lwjgl.CanvasPeerImpl.display(CanvasPeerImpl.java:958)
at com.xith3d.render.lwjgl.CanvasPeerImpl.render(CanvasPeerImpl.java:1035)
at com.xith3d.scenegraph.View.renderOnce(View.java:616)
at com.xith3d.scenegraph.View.renderOnce(View.java:549)

It seems like it happens just before swapBuffers() (swapBuffer calls Util.GLCheckError() before really swapping buffers).

See : http://www.java-gaming.org/forums/index.php?topic=14118.0

Anyone has an idea to fix it ?

Any infos welcome, I'm not a LWJGL guru but I'd like to see if I can increase performances using LWJGL.

"Once you start working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest"
Offline Matzon
« League of Dukes »

JGO Knight


Medals: 13
Projects: 2


I'm gonna wring your pants!


« Reply #1 - Posted 2006-06-22 16:09:21 »

either inject lots of Util.checkGLError or use GLIntercept to locate the offending opengl call.

Offline Spasi
« Reply #2 - Posted 2006-06-22 17:06:07 »

You may also find GLExpert in NVPerfKit 2.0 useful.
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