Re: glMapBufferRange

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On Tue, Jul 13, 2021 at 6:42 AM Jeff Fayman <[email protected]> wrote:

> Trying to use glMapBufferRange and getting the following error:
>
>
>
> OpenGL.error.NullFunctionError: Attempt to call an undefined function
> glMapBufferRange, check for bool(glMapBufferRange) before calling
>
>
>
> What am I missing here.  All other OpenGL functions that I have used are
> available and functioning properly.
>

This is an OpenGL 3.0 function. Does your hardware support OpenGL 3.0
(likely), have you created an OpenGL 3.0+ context, and have you bound it?

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<div dir=3D"ltr"><div dir=3D"ltr">On Tue, Jul 13, 2021 at 6:42 AM Jeff Faym=
an &lt;<a href=3D"mailto:[email protected]">[email protected]</=
a>&gt; wrote:<br></div><div class=3D"gmail_quote"><blockquote class=3D"gmai=
l_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,20=
4,204);padding-left:1ex">





<div style=3D"overflow-wrap: break-word;" lang=3D"EN-US">
<div class=3D"gmail-m_-6254504463117764453WordSection1">
<p class=3D"MsoNormal">Trying to use glMapBufferRange and getting the follo=
wing error:<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">OpenGL.error.NullFunctionError: Attempt to call an u=
ndefined function glMapBufferRange, check for bool(glMapBufferRange) before=
 calling<u></u><u></u></p>
<p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p>
<p class=3D"MsoNormal">What am I missing here.=C2=A0 All other OpenGL funct=
ions that I have used are available and functioning properly.<br></p></div>=
</div></blockquote><div><br></div><div>This is an OpenGL 3.0 function. Does=
 your hardware support OpenGL 3.0 (likely), have you created an OpenGL 3.0+=
 context, and have you bound it?<br></div></div></div>

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