[PyOpenGL-Devel] [ pyopengl-Bugs-1878648 ] glShaderSource wrapper not loaded properly

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Bugs item #1878648, was opened at 2008-01-23 22:05
Message generated for change (Comment added) made by mcfletch
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Category: GL
Group: v3.0.0
>Status: Closed
>Resolution: Out of Date
Priority: 5
Private: No
Submitted By: tkerwin (tkerwin)
Assigned to: Nobody/Anonymous (nobody)
Summary: glShaderSource wrapper not loaded properly

Initial Comment:
When I try to use glShaderSource, I get this error message:

  File "C:\Python25\Lib\site-packages\OpenGL\platform\baseplatform.py", line 253, in __call__
    return self( *args, **named )
TypeError: this function takes 4 arguments (2 given)

I was expecting it to require two arguments from the documentation.  From glancing at the code, it seems like the wrapper is in there, but perhaps not loading properly.  Is there any workaround for this to get shaders working?

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>Comment By: Mike C. Fletcher (mcfletch)
Date: 2009-07-18 22:38

Message:
We've got many examples of working code on both Win32 and Linux, so we'll
assume the fix worked.

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Comment By: Mike C. Fletcher (mcfletch)
Date: 2008-04-06 20:58

Message:
Logged In: YES 
user_id=34901
Originator: NO

This would be easier to debug with a test case.  I'm guessing what's
happening is that you are on Win32, and that at the point where you import
the module, there's no glShaderSource function.  As a result the wrappers
were not being created.  Later, when you tried to call them, the
null-function wrapper was able to resolve the function and tried to call it
directly.

See OpenGLContext/tests/shaderobjects.py for an example that should work
in this mode.  Also note that I've altered the wrappers to no longer do the
load-time checks.

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