Re: [PyOpenGL-Users] WindowsError: exception: access violation reading 0x00000000

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

jrb wrote:
> i'm running the latest PyOpenGL (pyopengl-3.0.0b2-py2.5.egg) on the 
> latest windows python (2.5.2) and am getting access violations when 
> running the simplest examples.  they occur when using the keyboard 
> handler function (set using glutKeyboardFunc and even if it does nothing 
> but return), mouse handler (set using glutMouseFunc), and when using 
> glutFullScreen.  they all crash with:
>
>    Traceback (most recent call last):
>      File "./simple-spheres.py", line 93, in <module>
>        glutMainLoop()
>    WindowsError: exception: access violation reading 0x00000000
>
> crashing in the glutMainLoop after hitting a key or clicking the mouse 
> or just right away in the case of the glutFullScreen call.
>
> anybody know what's going on or what i'm doing wrong?
>   
There was a bug in the Win32 GLUT callback registration.  Turns out they 
use C calling convention despite the functions all being Win32 calling 
convention.  Latest CVS should solve the problem.

HTH,
Mike

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