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authorSven Gothel <[email protected]>2010-03-26 22:24:34 +0100
committerSven Gothel <[email protected]>2010-03-26 22:24:34 +0100
commitcf95674e16d34a85191d3af0a35d1357e011fcac (patch)
treefe4d63504f9f3c0f11cfa79c5182c98d890361c3 /doc/userguide
parent4a457c98983b4f58c2a639f49ef9e79beaecd5c0 (diff)
http://www.jogamp.org/bugzilla/show_bug.cgi?id=391
As shown below, the concurrent access of GLStateTracker while being cleared by GLContext.destroy() causes a NPE. GLContext.destroy() shall disable it first, then clear it. The state stack pop method shall also swap the mapping with a most atomic action. Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at com.sun.opengl.impl.GLStateTracker.getInt(GLStateTracker.java:94) at com.sun.opengl.impl.gl2.GL2Impl.glGetIntegerv(GL2Impl.java:6102) at com.sun.opengl.impl.gl2.GL2Impl.imageSizeInBytes(GL2Impl.java:26000) at com.sun.opengl.impl.gl2.GL2Impl.imageSizeInBytes(GL2Impl.java:25713) at com.sun.opengl.impl.gl2.GL2Impl.glTexImage2D(GL2Impl.java:18692) at glredbook1314.combiner.init(combiner.java:104) at com.sun.opengl.impl.GLDrawableHelper.init(GLDrawableHelper.java:88) at javax.media.opengl.awt.GLJPanel$Updater.init(GLJPanel.java:557) at com.sun.opengl.impl.GLDrawableHelper.init(GLDrawableHelper.java:88) at com.sun.opengl.impl.GLPbufferImpl$InitAction.run(GLPbufferImpl.java:274) at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:149) at com.sun.opengl.impl.GLPbufferImpl.maybeDoSingleThreadedWorkaround(GLPbufferImpl.java:267) at com.sun.opengl.impl.GLPbufferImpl.swapBuffers(GLPbufferImpl.java:157) at com.sun.opengl.impl.GLDrawableHelper.invokeGL(GLDrawableHelper.java:159) at javax.media.opengl.awt.GLJPanel.dispose(GLJPanel.java:238) +++
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