glMapBufferRange

Jeff Fayman <[email protected]> Tue, 13 Jul 2021 13:27:19 +0000
Newsgroups gmane.comp.python.opengl.user
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Trying to use glMapBufferRange and getting the following error:

OpenGL.error.NullFunctionError: Attempt to call an undefined function glMap=
BufferRange, check for bool(glMapBufferRange) before calling

What am I missing here.  All other OpenGL functions that I have used are av=
ailable and functioning properly.

Thanks.

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<p class=3D"MsoNormal">Trying to use glMapBufferRange and getting the follo=
wing error:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">OpenGL.error.NullFunctionError: Attempt to call an u=
ndefined function glMapBufferRange, check for bool(glMapBufferRange) before=
 calling<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">What am I missing here.&nbsp; All other OpenGL funct=
ions that I have used are available and functioning properly.<o:p></o:p></p=
>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks.<o:p></o:p></p>
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