// get queue family properties from device 0 uint32_tqueue_family_count=0;VkPhysicalDevicephysicalDevice=GetPhysicalDevices(0);vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice,&queue_family_count,NULL);std::vector<VkQueueFamilyProperties>queue_props;queue_props.resize(queue_family_count);vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice,&queue_family_count,queue_props.data());