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I have looked it up in the past, and I have looked it up now, but I cannot find a reliable documentation that describes it.

For example, do you know what combination of flags listed here https://documentation.help/SDL/sdlsetvideomode.html would do the trick? Or anything that is not listed there would also help.



SDL retains everything you've drawn to the screen in backing store. You need to do an SDL_Flip (1.2) or SDL_RenderPresent/SDL_UpdateWindowSurface (2.0) to commit what's in the back buffer to the screen.


AFAIK, SDL does not provide both modes. I don't know which mode it is designed around.




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