There are different ways to achieve a constant game speed, the most used you will find on these boards is frame dependant code, which scales the amount of changes to the time passed.
Against tearing, there is only flip 1 that helps, BUT only if the user has not vsync disabled in his drivers. In that case, you can't do anything against it.
Against tearing, there is only flip 1 that helps, BUT only if the user has not vsync disabled in his drivers. In that case, you can't do anything against it.