Re: [PyOpenGL-Users] bug in glDrawBuffers?

[Gijs <in...@bs...>]

On 2/22/09 5:43 AM, Mike C. Fletcher wrote:
> Mike C. Fletcher wrote:
>> Gijs wrote:
> ...
>> ...
>>> ctypes.ArgumentError: argument 2: <type 'exceptions.TypeError'>: 
>>> wrong type
>>>
>>> I tend to cast everything that needs to be passed to OpenGL and is 
>>> returned from OpenGL functions (like the genTextures and 
>>> genFramebuffers function). Guess I kinda got used to it but I knew 
>>> it wasn't normal.
>> Okay, that would seem to be final confirmation that we have bugs in 
>> handling of numpy uints on 32-bit platforms.  Luckily we now have a 
>> test-case I can run to provoke it :) .
> Can you confirm that the machine exhibiting the problem is running 
> something less than Python 2.5.2?  I can duplicate the effect on my 
> 32-bit Vista machine *only* if I downgrade to 2.5.1.  Thinking back on 
> it, this must be the bug that we discovered which had us add the 
> ALLOW_NUMPY_SCALARS flag to the OpenGL.__init__ module.  Thomas had 
> said he was intending to fix it in ctypes, and it looks like he did 
> just that in 2.5.2.  2.5.4 does not exhibit the problem.
>
> Assuming that you can confirm it seems we'll either have to tell 
> people to use >= 2.5.2 and/or document the use of ALLOW_NUMPY_SCALARS 
> for those weird cases where for some reason someone needs to use an 
> older version.  Will need to test with Python 2.4 and/or stand-alone 
> ctypes to determine the versions to recommend.
>
> Thanks,
> Mike
>
It's running Python 2.5.1. It is the standard version of Python that got 
delivered with Mac OS X 10.5. So unless people upgraded to a higher 
version of Python, it should affect everyone that's running Mac OS X 10.5.

Regards, Gijs