[SDL] [patch] OS X carbon SDL_WINDOWID support

Christian Walther cwalther at gmx.ch
Sun Sep 24 00:29:10 PDT 2006

earl wrote:
> The SDL FAQ reminds us that "most graphics back-ends are not
> thread-safe".  However it should be OK to call SDL video functions
> strictly from a single thread even if that thread is not the main thread
> of an application, right?

No. Many windowing systems explicitly require to be called only from the 
main thread. At least that used to be the case with Cocoa, as far as I 
remember, though it seems that the restriction has been somewhat 
weakened in recent versions. See 
for details about what you can and can't do from non-main threads.


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