private VkObjectResult <IVkDevice> CreateDevice(IntPtr data, VkDeviceCreateInfo createInfo, IVkAllocationCallbacks allocator)
{
var unmanaged = (byte *)data;
var createInfoRaw = createInfo.MarshalDirect(ref unmanaged);
var pAllocator = allocator.MarshalIndirect(ref unmanaged);
VkDevice.HandleType handle;
var result = Direct.CreateDevice(Handle, &createInfoRaw, pAllocator, &handle);
var device = result == VkResult.Success ? new VkDevice(this, handle, allocator) : null;
return(new VkObjectResult <IVkDevice>(result, device));
}