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jocl-demos julia3D fractal Exception

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jocl-demos julia3D fractal Exception

Itun
I cannot launch this demo. I get this exception:
Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException
        at java.nio.Buffer.<init>(Unknown Source)
        at java.nio.ByteBuffer.<init>(Unknown Source)
        at java.nio.ByteBuffer.<init>(Unknown Source)
        at java.nio.MappedByteBuffer.<init>(Unknown Source)
        at java.nio.DirectByteBuffer.<init>(Unknown Source)
        at java.nio.ByteBuffer.allocateDirect(Unknown Source)
        at com.jogamp.common.nio.Buffers.newDirectByteBuffer(Buffers.java:69)
        at com.jogamp.common.nio.Buffers.newDirectFloatBuffer(Buffers.java:111)
        at com.jogamp.opencl.CLContext.createFloatBuffer(CLContext.java:318)
        at com.jogamp.opencl.demos.julia3d.Julia3d.update(Julia3d.java:92)
        at com.jogamp.opencl.demos.julia3d.Renderer.reshape(Renderer.java:188)
        at jogamp.opengl.GLDrawableHelper.reshape(GLDrawableHelper.java:197)
        at jogamp.opengl.GLDrawableHelper.reshape(GLDrawableHelper.java:203)
        at javax.media.opengl.awt.GLCanvas$DisplayAction.run(GLCanvas.java:935)
        at jogamp.opengl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:398)
        at javax.media.opengl.awt.GLCanvas.maybeDoSingleThreadedWorkaround(GLCanvas.java:832)
        at javax.media.opengl.awt.GLCanvas.display(GLCanvas.java:419)
        at javax.media.opengl.awt.GLCanvas.paint(GLCanvas.java:518)
        at sun.awt.RepaintArea.paintComponent(Unknown Source)
        at sun.awt.RepaintArea.paint(Unknown Source)
        at sun.awt.windows.WComponentPeer.handleEvent(Unknown Source)
        at java.awt.Component.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
        at java.awt.EventQueue.access$000(Unknown Source)
        at java.awt.EventQueue$1.run(Unknown Source)
        at java.awt.EventQueue$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
        at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
        at java.awt.EventQueue$2.run(Unknown Source)
        at java.awt.EventQueue$2.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)
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Re: jocl-demos julia3D fractal Exception

Patrick
I know this is two years old, but there were no replies, and in case someone else stumbles across this thread, RenderingConfig32.java, RenderingConfig64.java, Vec32.java, and Vec64.java all seem to define their structures incorrectly. Perhaps the way they are supposed to be defined changed.

To fix it, replace each occurrence of setIntAt(x, val) with setIntAt(x*4, val) (e.g. setIntAt(1, val) -> setIntAt(4, val))
Do the same thing with getIntAt(x), getFloatAt(x), setFloatAt(x, val), setFloatsAt(x, val), and getFloatsAt(x).

Hope this helps.
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Re: jocl-demos julia3D fractal Exception

Wade Walker
Administrator
I've created a bug report for this (https://jogamp.org/bugzilla/show_bug.cgi?id=957) and will check it out and try your fix.
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