SDL_VIDEO_X11_BACKINGSTORE has no effect anymore (since years) , and having BACKINGSTORE enabled everytime may lead to tearing effect with newer Xorg servers if composite extension is enabled.
This comment makes me think that there is no point in leaving it in that state:
#if 0 /* This is an experiment - are the graphics faster now? - nope. */
if ( SDL_getenv("SDL_VIDEO_X11_BACKINGSTORE") )
#endif
SDL_VIDEO_ X11_BACKINGSTOR E has no effect anymore (since years) , and having BACKINGSTORE enabled everytime may lead to tearing effect with newer Xorg servers if composite extension is enabled.
This comment makes me think that there is no point in leaving it in that state:
#if 0 /* This is an experiment - are the graphics faster now? - nope. */ "SDL_VIDEO_ X11_BACKINGSTOR E") )
if ( SDL_getenv(
#endif