Comment by sebazzz

> This is not an empty phrase: we have observed performance losses of 10-15% in extremely CPU-limited cases just by calling XInputGetState for all controllers every frame while none are connected!

Is this why a game renders only a few frames per second and slows down in time when my wireless Xbox controller disconnects due to low battery? I always assumed it was some mechanism to make the gameplay “fair” if your controller had an intermittent disconnect.