Run a specific filter function on the current event queue, removing any
events for which the filter returns false.
See SDL_SetEventFilter() for more information. Unlike SDL_SetEventFilter(),
this function does not change the filter permanently, it only uses the
supplied filter until this function returns.
\param filter the SDL_EventFilter function to call when an event happens.
\param userdata a pointer that is passed to filter.
\threadsafety It is safe to call this function from any thread.
\since This function is available since SDL 3.2.0.
Run a specific filter function on the current event queue, removing any events for which the filter returns false.
See SDL_SetEventFilter() for more information. Unlike SDL_SetEventFilter(), this function does not change the filter permanently, it only uses the supplied filter until this function returns.
\param filter the SDL_EventFilter function to call when an event happens. \param userdata a pointer that is passed to filter.
\threadsafety It is safe to call this function from any thread.
\since This function is available since SDL 3.2.0.
\sa SDL_GetEventFilter \sa SDL_SetEventFilter