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  trouble with gl*List()  (Read 573 times)
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Offline spencewah

Junior Newbie





« Posted 2007-10-04 23:01:43 »

Hi all, thanks in advance for the help.

I'm trying to make calls to glCallList and glNewList by passing an integer variable as my parameter. 

That is, I have a static Integer id, and I call using gl.glCallList(id) and also gl.glNewList(id, GL.GL_COMPILE).

However, I get a big GL exception when I try this.  The only way I've found of not running into an error is if I pass an actual integer as a parameter (something like glCallList(5)).

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Exception in thread "AWT-EventQueue-0" javax.media.opengl.GLException: glGetError() returned the following error codes after a call to glNewList(): GL_INVALID_VALUE 
   at javax.media.opengl.DebugGL.checkGLGetError(DebugGL.java:12715)
   at javax.media.opengl.DebugGL.glNewList(DebugGL.java:6151)
   at ObjMaker.drawObject(ObjMaker.java:23)
   at Node.apply(Node.java:232)
   at Node.apply(Node.java:237)
   at SceneGraph.draw(SceneGraph.java:99)
   at Main.display(Main.java:52)


Can variables be passed to these methods?

UPDATE: Ah...0 isn't allowed.  That was the problem.  Thanks anyway  Roll Eyes
Offline cylab

JGO Knight


Medals: 34



« Reply #1 - Posted 2007-10-05 01:03:48 »

You should acquire the ids for your lists via glGenLists.

Mathias - I Know What [you] Did Last Summer!
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