[SDL] OpenGL and Multithreading

Glenn Maynard g_sdl at zewt.org
Sat Oct 4 11:10:01 PDT 2003


On Sat, Oct 04, 2003 at 04:06:57PM +0200, Pontus Pihlgren wrote:
> I does not seam that I can create a GL-window in one thread an draw to it using 
> gl functions in another, is this true, and why? Memory is shared between 
> threads and so the gl function should have access to the gl state?

Windows requires that the OpenGL context be selected into the thread
before rendering, and a context can only be selected into one thread at
a time.

I don't know about other archs.

-- 
Glenn Maynard




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