creation failures.

needs to know about Direct3D headers etc.

wrong offset computations.

class, so that the calling code does not need to know what the backend is.

According to David Turner, “it should be the only thing that NDK users
should be testing again.”

Implement GetMouseCount() to query the number of mice on the system.

tested wherever relevant.

sub-millisecond but can be improved if we get rid of SDL timers.