Serve Lau wrote:
> so the render function would look like this in pseudo:
>
> select_context(screen1)
> draw_scene1()
>
> select_context(screen2)
> draw_scene2()
>
>
> the screen are unrelated, different things will be rendered not
> one scene over 2 screens
Exactly. Now in case you're using two separate graphics cards,
and have a multiprocessor system this is even one of the rare
cases, where multithreading OpenGL will actually give you an
performance gain, since both graphics cards will be busy
simultanously, whereas switching the context and drawing the
scences serially will sum up the rendering times.
Wolfgang Draxinger
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