pub type PFN_vkGetDeviceImageMemoryRequirements = unsafe extern "system" fn(_device: Device, _info: *const DeviceImageMemoryRequirements, _memory_requirements: *mut MemoryRequirements2);pub type PFN_vkGetDeviceImageMemoryRequirements = unsafe extern "system" fn(_device: Device, _info: *const DeviceImageMemoryRequirements, _memory_requirements: *mut MemoryRequirements2);