Change run_forever() to poll_events() #122
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Due to rust-windowing/winit#276,
run_forever()
can slow the program.Because the presentation mode of the swap chain is FIFO, when
get_next_texture()
is called, it is waiting for the next refresh. If the amout of event per second is superior to the refresh rate, the whole program accumulate event, and closing the window can take a lot of time.poll_events()
prevents this.See also rust-windowing/winit#459