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Feature requests / Honor X11 'Expose' Events.
« on: January 21, 2020, 11:00:02 pm »
As far as I can see, SFML does not support X11 'expose events'
https://www.x.org/releases/X11R7.7/doc/libX11/libX11/libX11.html#Exposure_Events
This means all SFML apps will need to redraw their window constantly, consuming excessive cpu resources under X11, unless a compositing windowmanager is used that renders windows to an offscreen buffer. We cannot guarantee such will be available.
Without such support, this is the result:
https://www.x.org/releases/X11R7.7/doc/libX11/libX11/libX11.html#Exposure_Events
This means all SFML apps will need to redraw their window constantly, consuming excessive cpu resources under X11, unless a compositing windowmanager is used that renders windows to an offscreen buffer. We cannot guarantee such will be available.
Without such support, this is the result: