How do I wait for vertical retrace?

[Chuck Robey]

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Nicolas George wrote:
> L'octidi 18 floréal, an CCXVI, Johan Walles a écrit :
>> I don't care about vertical retrace in itself, waiting for vertical
>> retrace would only be a way for me to achieve flicker-free animation
>> in a 2D application.
> 
> DOUBLE-BUFFER is no good for that: when used for continuous animation (such
> as video), it causes exactly as much tearing as a simple bitmap copy. At
> least it was true in November 2006.

That seems odd.  I'm currently reading the OpenGL Redbook (their latest
programming manual) and it seems to be directly contradicting you.  I haven't
tried it yet myself, though, but still, are you sure about that statement?  What
they say does seem to make sense.

> 
> Regards,
> 
> 
> 
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