using Vulkan;                     // Core Vulkan classes
using Vulkan.Managed;             // Interface to unmanaged interop
using Vulkan.Managed.ObjectModel; // Extensions to vulkan handle objects

// Create a Vulkan instance
var instanceCreateInfo = new InstanceCreateInfo();
Instance vulkanInstance = Vk.CreateInstance(instanceCreateInfo);

// Enumerate Physical Devices
PhysicalDevice[] physicalDevices = instance.EnumeratePhysicalDevices();

// Create a Vulkan device
var queueCreateInfo = new DeviceQueueCreateInfo(0, new[]{ 0f });
var deviceCreateInfo = new DeviceCreateInfo(queueCreateInfo, null, null);
Device vulkanDevice = physicalDevices[0].CreateDevice(deviceCreateInfo);

// The 'CreateInfo' structures implement IDisposable, so make sure
// to either use a `using` block or dispose of these objects correctly
deviceCreateInfo.Dispose();
queueCreateInfo.Dispose();
instanceCreateInfo.Dispose();

using Vulkan;           // Core Vulkan classes
using Vulkan.Unmanaged; // Unmanaged structs and callbacks

// The vulkan functions are in the `VulkanBinding` class. It's designed to be used
// with C# 6.0's 'using static' feature to replicate the Vulkan C api.
using static Unmanaged.VulkanBinding;

/* Allocate pointers to objects */

// `vkCreateInstance` is a member of `VulkanBinding`. We can call it like this
// because of the 'using static' statement above.
var result = vkCreateInstance(...)
if(result != Result.Success)
	throw new VulkanCommandException(nameof(vkCreateInstance), result);

// Commands that return an array use the C 'call twice' convention:

// First call determines the length of the array to be retrieved
UInt32 listLength;
vkEnumeratePhysicalDevices(instancePtr, &listLength, null);

// Second call actually retrives the array
var arrayPhysicalDevice = new IntPtr[listLength];
fixed(IntPtr* resultPtr = &arrayPhysicalDevice[0])
	vkEnumeratePhysicalDevices(instancePtr, &listLength, resultPtr);

vkCreateDevice(...);