/* Signals the semaphore such that any wait on the semaphore will wait on
* any reads or writes on the give memory object. This is used to
* implement the semaphore signal operation in vkAcquireNextImage.
/* Signals the semaphore such that any wait on the semaphore will wait on
* any reads or writes on the give memory object. This is used to
* implement the semaphore signal operation in vkAcquireNextImage.