Re: [PyOpenGL-Devel] glReadPixels with null pointer

[Mike C. F. <mcf...@vr...>]

On 13-09-04 08:05 PM, Tim Sheerman-Chase wrote:
...
>
> That seems sensible to me. However, I am still having problems with the
> current trunk version #623 when using glReadPixels in the previously
> described situation. I did a quick hack to try to fix it but I am unsure
> if this does not break something else.
> https://code.launchpad.net/~thetourist/pyopengl/tim2
>
> My code breaks if the ctypes pointer created by ctypes.c_void_p is
> passed through arrayType.voidDataPointer. I have skipped this step. I am
> a little unclear as to what what would be returned in each of the cases
> and it might be worth checking.

Ah, the problems of fixing code without a test case to run :D .  You are 
correct, the voidDataPointer call should only be happening in cases 
where the data is *not* a c_void_p, the whole point of that being to 
create a c_void_p out of an array data type.

Merged, thanks,
Mike

-- 
________________________________________________
   Mike C. Fletcher
   Designer, VR Plumber, Coder
   http://www.vrplumber.com
   http://blog.vrplumber.com