>I am looking for a way to synchronize swapbuffers with
>the vertical retrace using lablg and lablgtk or labltk
>for creating the window to draw the opengl graphics
>in.
>Does anyone know if this is possible?

You usually have to do this through an extension.  It's a windowing system issue (or at least, that's how OpenGL thinks of it).  So, on windows there's a SwapInterval extension, and I'm not sure about X, but it's probably the same.

You'll need to write a thunk to the extension in C to use it, because lablgl does not support extensions yet.  I hope to fix this at some point soon. 

Chris


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