OpenGL regression

Huw D M Davies h.davies1 at
Fri Dec 9 08:42:41 CST 2005

On Fri, Dec 09, 2005 at 02:25:15PM +0000, Huw D M Davies wrote:
> Looking at libGL, it uses the X_GLXVendorPrivateWithReply request with
> the vendor code X_GLXvop_GetDrawableAttributesSGIX when the server
> version is < 1.3 (otherwise it uses the X_GLXGetDrawableAttributes
> request).  Mesa doesn't support this vendor code so the request fails.
> You probably need to catch this error and take the appropiate action
> if it fails.

Sorry, this wasn't very clear.  I meant to say that this is what libGL
does when glXQueryDrawable is called.

Huw Davies
huw at

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