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  BufferOverflowException in the JSR-231 renderer  (Read 1016 times)
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Offline Amos Wenger

Senior Member




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


« Posted 2006-05-06 15:17:07 »

I get this exception when launching Lesson37 tests in the xith-tk (cel-shading) :

No Fragment Program support, skipping
java.nio.BufferOverflowException
   at java.nio.Buffer.nextPutIndex(Buffer.java:419)
   at java.nio.DirectIntBufferU.put(DirectIntBufferU.java:245)
   at com.xith3d.render.jsr231.VertexProgramShaderPeer.bindShaderProgram(VertexProgramShaderPeer.java:110)
   at com.xith3d.render.jsr231.VertexProgramShaderPeer.setShaderProgramState(VertexProgramShaderPeer.java:169)
   at com.xith3d.render.jsr231.VertexProgramShaderPeer.shade(VertexProgramShaderPeer.java:183)
   at com.xith3d.render.CanvasPeerBase.setState(CanvasPeerBase.java:121)
   at com.xith3d.render.CanvasPeerBase.render(CanvasPeerBase.java:99)
   at com.xith3d.render.jsr231.CanvasPeerImpl.drawBin(CanvasPeerImpl.java:838)
   at com.xith3d.render.jsr231.CanvasPeerImpl.display(CanvasPeerImpl.java:1073)
   at com.sun.opengl.impl.GLDrawableHelper.display(GLDrawableHelper.java:77)
   at javax.media.opengl.GLCanvas$DisplayAction.run(GLCanvas.java:262)
   at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:128)
   at javax.media.opengl.GLCanvas$DisplayOnEventDispatchThreadAction.run(GLCanvas.java:279)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
   at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)


Do you (lilian ?) have an idea where it comes from and how to fix it ?

"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 gniliak

Innocent Bystander





« Reply #1 - Posted 2006-05-20 13:24:31 »

It seems in function "private void bindShaderProgram(GL gl, VertexProgram shaderProgram, CanvasPeer canvas)" in VertexProgramShaderPeer (line 109):

if ((spHandle != -1) && shaderProgram.isDirty()) {
               // handleBuffer.rewind();   // -- It is needed to rewind the buffer here.
               handleBuffer.put(spHandle);
               handleBuffer.rewind();

                .................

Hope it is helpful.
Offline Amos Wenger

Senior Member




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


« Reply #2 - Posted 2006-05-21 19:32:03 »

Actually I have no problem knowing which line is it but how to fix it...

"Once you start working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest"
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Offline Amos Wenger

Senior Member




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


« Reply #3 - Posted 2006-05-24 18:59:34 »

* bump * Lilian, any news ? Or do I have to read the whole JSR-231 myself ?  Grin Grin

"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 Amos Wenger

Senior Member




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


« Reply #4 - Posted 2006-06-06 14:34:22 »

It seems in function "private void bindShaderProgram(GL gl, VertexProgram shaderProgram, CanvasPeer canvas)" in VertexProgramShaderPeer (line 109):

if ((spHandle != -1) && shaderProgram.isDirty()) {
               // handleBuffer.rewind();   // -- It is needed to rewind the buffer here.
               handleBuffer.put(spHandle);
               handleBuffer.rewind();

                .................

Hope it is helpful.
Sorry guy I didn't read carefully your answer. I did as you suggested and it works perfectly ! Many thanks ! Now CellShading's on the way... (And BTW thanks also to c_lilian).

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