sets vkCreateInstance function pointer and acquires basic functions to retrieve information about the implementation and create an instance: vkEnumerateInstanceExtensionProperties, vkEnumerateInstanceLayerProperties, vkCreateInstance
See Implementation
sets vkCreateInstance function pointer and acquires basic functions to retrieve information about the implementation and create an instance: vkEnumerateInstanceExtensionProperties, vkEnumerateInstanceLayerProperties, vkCreateInstance