--- Ian Romanick <[EMAIL PROTECTED]> wrote:
> Here's the deal. glXGetProcAddress *NEVER* returns NULL. It returns a
> pointer to a dispatch function. If you request an unknown function, it
> will dynamically generate a dispatch for it. Try calling
> 'glXGetProcAddressARB((const GLubyte*)"glThisFunctionDoesntExist");".
> Getting a pointer back isn't enough. You have to look at the extension
> string to be sure the extension is supported. If I'm not mistaken, the
> GLX spec says that calling a function for an unsupported extension give
> "undefined" behavior.
Why do you dynamically generate a dispatch for unknown functions instead of just
returning null? What does this dispatch dispatch to?
=====
Jon Smirl
[EMAIL PROTECTED]
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