Re: glNewList ArgumentError - wrong type

On 10 May 2012, at 21:05, Steven wrote:

> 
> On 1 May 2012, at 16:24, Alejandro Segovia wrote:
> 
>> Hi Steven,
>> 
>> 2012/4/29 Steven <[email protected]>
>> Hi,
>> 
>> I'm using py27-opengl 3.0.1_0 and py27-opengl-accelerate 3.0.1_0 on MacOS 10.7.3 64 bit via macports.  I'm also using wxWidgets-devel 2.9.3_0+sdl if that's relevant.
>> I've installed the wxgui component of gnuradio and am getting the following error when I try and use an openGL widget:
>> 
>> Traceback (most recent call last):
>>  File "/opt/local/lib/python2.7/site-packages/gnuradio/wxgui/plotter/plotter_base.py", line 187, in _on_paint
>>    for fcn in self._draw_fcns: fcn[1]()
>>  File "/opt/local/lib/python2.7/site-packages/gnuradio/wxgui/plotter/plotter_base.py", line 58, in draw
>>    GL.glNewList(self._grid_compiled_list_id, GL.GL_COMPILE)
>> ctypes.ArgumentError: argument 1: <type 'exceptions.TypeError'>: wrong type
>> 
>> The code is at http://pastebin.com/ezLmgYv2
>> 
>> 
>> Please make sure GL.glGenLists is returning what you expect it to return (namely an unsigned int). On some platforms I've seen PyOpenGL bindings not returning the generated value but rather expecting to assign it to the second parameter in a similar fashion than that of the C API.
>> 
>> Hope this helps!
>> Alejandro.-
> 
> Hi Alejandro,
> 
> 		self._grid_compiled_list_id = GL.glGenLists(1)
> 		print self._grid_compiled_list_id
> returns
> 
> 'None'
> 
> So something seems amiss.
> 
> Regards,
> 
> Steven.
> 


I have raised bug 3526361 for this issue

https://sourceforge.net/tracker/?func=detail&aid=3526361&group_id=5988&atid=105988

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