Re: [PyOpenGL-Users] pyopengl on the OpenMoko FreeRunner

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

Gunnar Aastrand Grimnes wrote:
> Hi all,
>
> I am trying to get pyopengl to work on the openmoko FreeRunner [1]
> Building the package and installing was fairly straight forward, but
> running my fairly simple example gives me:
>   
...
>     model = GL.glGetDoublev( GL.GL_MODELVIEW_MATRIX )
>   File "/usr/lib/python2.5/site-packages/OpenGL/wrapper.py", line 1631,
> in __call__
>     return self.finalise()( *args, **named )
>   File "/usr/lib/python2.5/site-packages/OpenGL/wrapper.py", line 683,
> in wrapperCall
>     converter( pyArgs, index, self )
>   File "/usr/lib/python2.5/site-packages/OpenGL/converters.py", line
> 195, in __call__
>     return self.arrayType.zeros( self.getSize(pyArgs) )
>   File
> "/usr/lib/python2.5/site-packages/OpenGL/arrays/arraydatatype.py", line
> 98, in zeros
>     return cls.returnHandler().zeros( dims, typeCode or cls.typeConstant )
>   File "/usr/lib/python2.5/site-packages/OpenGL/arrays/nones.py", line
> 32, in zeros
>     raise TypeError( """Can't create NULL pointer filled with values""" )
> TypeError: ("Can't create NULL pointer filled with values", 'Failure in
> cConverter <OpenGL.converters.SizedOutput object at 0x40ffcfb0>',
> [GL_MODELVIEW_MATRIX], 1, <OpenGL.wrapper.glGetDoublev object at
> 0x4100a698>)
>   
That's strange, it's trying to create an array with a NULL format-type 
handler.  That should never be the registered output handler (regardless 
of platform).
> Now, before I dive in and debug this - let me ask: Has anyone else had
> any success with pyopengl on the ARM architecture?
>   
Not to my knowledge.  I didn't even know ctypes worked on ARM.  I'll see 
if I can borrow a FreeRunner to test with it.
> Some of the tests from the pyopengl run successfully, but most GLUT ones
> fail with because of some missing font - and test_loadglut fails with :
> AttributeError: python: undefined symbol: glutSolidTeapot
>
> The FreeRunner has libGL, libGLU from MESA version 6.5, is this too old?
>   
You'd need FreeGLUT or GLUT installed to use that function, as it's not 
defined in core Mesa.
> Please reply also to me offlist as I am not subscribed.
>   
HTH,
Mike

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