1.2之前定的版本采用 vkSemaphore和vkFence来进行同步，
VkSemaphore allowed applications to synchronize operations across device queues.
VkFence facilitated device to host synchronization.
1.2之后采用VK_KHR_timeline_semaphore
Reference:
原文：https://www.cnblogs.com/khacker/p/12275777.html