SDL window seemingly improperly being marked 'unresponsive' by OS
问题 I have an SDL2 windowed window accessed via Derelict 3. It is supposed to strobe black and white (not because I hate epileptics), and it does this successfully. However, after a certain period of time, Ubuntu 13.10 marks the window as 'unresponsive', grays it out, and dulls the strobe effect. This is highly irritating and totally kills the effect required by the application for visual stimulation to retrieve SSVEP readings from my EEG headset. How do I get my OS to realize that the window is