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  LWJGL Renderer  (Read 1180 times)
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Offline Amos Wenger

Senior Duke




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


« Posted 2006-06-22 10:42:03 »

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

JGO Knight


Medals: 19
Projects: 1


I'm gonna wring your pants!


« Reply #1 - Posted 2006-06-22 14:09:21 »

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

Offline Spasi
« Reply #2 - Posted 2006-06-22 15:06:07 »

You may also find GLExpert in NVPerfKit 2.0 useful.
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