* Jack <[email protected]> [2017-10-25 00:33]: [...] > >>> Then I texture the pixel data onto a rectangle. This rectangle > >>> does flicker and flip diagonally from time to time and I wonder if it is > >>> an error on my machine only and where it could come from. > >> > >> I don't see any flicker in your patch. (linux / intel GPU) > > > > Thank you Cyrille for this helpful information! > > > > Jack, I am on Debian GNU/Linux with an onboard Intel graphics controller > > (i915 variant). > > OK, i guessed you were on nvidia because if you are not sync to vblank, > you often get a line diagonaly separating two pictures. It is called > "screen tearing". Thank you, in my case it is not a missing sync to vblanc but a more drastic flicker. Also thanks for testing my patch and getting back to me on that, it is much appreciated!
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