protected override void Initialize()
{
var result = vkInitialize();
result.CheckResult();
var version = vkEnumerateInstanceVersion();
var queryExtensions = vkEnumerateInstanceExtensionProperties();
var queryLayers = vkEnumerateInstanceLayerProperties();
VkString name = "01-ClearScreen";
var appInfo = new VkApplicationInfo
{
sType = VkStructureType.ApplicationInfo,
pApplicationName = name,
applicationVersion = new VkVersion(1, 0, 0),
pEngineName = s_EngineName,
engineVersion = new VkVersion(1, 0, 0),
apiVersion = VkVersion.Version_1_0,
};
var instanceExtensions = new List <string>
{
KHRSurfaceExtensionName,
KHRWin32SurfaceExtensionName
};
var instanceLayers = new List <string>();
if (EnableValidationLayers)
{
FindValidationLayers(instanceLayers);
}
if (instanceLayers.Count > 0)
{
instanceExtensions.Add(EXTDebugUtilsExtensionName);
}
using var vkInstanceExtensions = new VkStringArray(instanceExtensions);
var instanceCreateInfo = new VkInstanceCreateInfo
{
sType = VkStructureType.InstanceCreateInfo,
pApplicationInfo = &appInfo,
enabledExtensionCount = vkInstanceExtensions.Length,
ppEnabledExtensionNames = vkInstanceExtensions
};
using var vkLayerNames = new VkStringArray(instanceLayers);
if (instanceLayers.Count > 0)
{
instanceCreateInfo.enabledLayerCount = vkLayerNames.Length;
instanceCreateInfo.ppEnabledLayerNames = vkLayerNames;
}
result = vkCreateInstance(&instanceCreateInfo, null, out instance);
vkLoadInstance(instance);
if (instanceLayers.Count > 0)
{
_debugMessengerCallbackFunc = DebugMessengerCallback;
var debugCreateInfo = new VkDebugUtilsMessengerCreateInfoEXT
{
sType = VkStructureType.DebugUtilsMessengerCreateInfoEXT,
messageSeverity = /*VkDebugUtilsMessageSeverityFlagsEXT.VerboseEXT | */ VkDebugUtilsMessageSeverityFlagsEXT.ErrorEXT | VkDebugUtilsMessageSeverityFlagsEXT.WarningEXT,
messageType = VkDebugUtilsMessageTypeFlagsEXT.GeneralEXT | VkDebugUtilsMessageTypeFlagsEXT.ValidationEXT | VkDebugUtilsMessageTypeFlagsEXT.PerformanceEXT,
pfnUserCallback = Marshal.GetFunctionPointerForDelegate(_debugMessengerCallbackFunc)
};
vkCreateDebugUtilsMessengerEXT(instance, &debugCreateInfo, null, out debugMessenger).CheckResult();
}
var surfaceCreateInfo = new VkWin32SurfaceCreateInfoKHR
{
sType = VkStructureType.Win32SurfaceCreateInfoKHR,
hinstance = HInstance,
hwnd = MainWindow.Handle
};
result = vkCreateWin32SurfaceKHR(instance, &surfaceCreateInfo, null, out surface);
var physicalDevices = vkEnumeratePhysicalDevices(instance);
foreach (var physicalDevice in physicalDevices)
{
vkGetPhysicalDeviceProperties(physicalDevice, out var properties);
var deviceName = properties.GetDeviceName();
}
physicalDevice = physicalDevices[0];
var queueFamilies = FindQueueFamilies(physicalDevice, surface);
var priority = 1.0f;
var queueCreateInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = queueFamilies.graphicsFamily,
queueCount = 1,
pQueuePriorities = &priority
};
List <string> deviceExtensions = new List <string>
{
KHRSwapchainExtensionName
};
var deviceCreateInfo = new VkDeviceCreateInfo
{
sType = VkStructureType.DeviceCreateInfo,
pQueueCreateInfos = &queueCreateInfo,
queueCreateInfoCount = 1,
pEnabledFeatures = null,
};
using var deviceExtensionNames = new VkStringArray(deviceExtensions);
deviceCreateInfo.enabledExtensionCount = deviceExtensionNames.Length;
deviceCreateInfo.ppEnabledExtensionNames = deviceExtensionNames;
result = vkCreateDevice(physicalDevice, &deviceCreateInfo, null, out device);
if (result != VkResult.Success)
{
throw new Exception($"Failed to create Vulkan Logical Device, {result}");
}
vkGetDeviceQueue(device, queueFamilies.graphicsFamily, 0, out graphicsQueue);
vkGetDeviceQueue(device, queueFamilies.presentFamily, 0, out presentQueue);
CreateSwapchain();
CreateSyncPrimitives();
}
public GraphicsDevice(string applicationName, bool enableValidation, Window?window)
{
VkString name = applicationName;
var appInfo = new VkApplicationInfo
{
sType = VkStructureType.ApplicationInfo,
pApplicationName = name,
applicationVersion = new VkVersion(1, 0, 0),
pEngineName = s_EngineName,
engineVersion = new VkVersion(1, 0, 0),
apiVersion = vkEnumerateInstanceVersion()
};
List <string> instanceExtensions = new List <string>
{
KHRSurfaceExtensionName
};
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
instanceExtensions.Add(KHRWin32SurfaceExtensionName);
}
List <string> instanceLayers = new List <string>();
if (enableValidation)
{
FindValidationLayers(instanceLayers);
}
if (instanceLayers.Count > 0)
{
instanceExtensions.Add(EXTDebugUtilsExtensionName);
}
using var vkInstanceExtensions = new VkStringArray(instanceExtensions);
var instanceCreateInfo = new VkInstanceCreateInfo
{
sType = VkStructureType.InstanceCreateInfo,
pApplicationInfo = &appInfo,
enabledExtensionCount = vkInstanceExtensions.Length,
ppEnabledExtensionNames = vkInstanceExtensions
};
using var vkLayerNames = new VkStringArray(instanceLayers);
if (instanceLayers.Count > 0)
{
instanceCreateInfo.enabledLayerCount = vkLayerNames.Length;
instanceCreateInfo.ppEnabledLayerNames = vkLayerNames;
}
var debugUtilsCreateInfo = new VkDebugUtilsMessengerCreateInfoEXT
{
sType = VkStructureType.DebugUtilsMessengerCreateInfoEXT
};
if (instanceLayers.Count > 0)
{
_debugMessengerCallbackFunc = DebugMessengerCallback;
debugUtilsCreateInfo.messageSeverity = VkDebugUtilsMessageSeverityFlagsEXT.Error | VkDebugUtilsMessageSeverityFlagsEXT.Warning;
debugUtilsCreateInfo.messageType = VkDebugUtilsMessageTypeFlagsEXT.Validation | VkDebugUtilsMessageTypeFlagsEXT.Performance;
debugUtilsCreateInfo.pfnUserCallback = Marshal.GetFunctionPointerForDelegate(_debugMessengerCallbackFunc);
instanceCreateInfo.pNext = &debugUtilsCreateInfo;
}
VkResult result = vkCreateInstance(&instanceCreateInfo, null, out VkInstance);
if (result != VkResult.Success)
{
throw new InvalidOperationException($"Failed to create vulkan instance: {result}");
}
vkLoadInstance(VkInstance);
if (instanceLayers.Count > 0)
{
vkCreateDebugUtilsMessengerEXT(VkInstance, &debugUtilsCreateInfo, null, out _debugMessenger).CheckResult();
}
Log.Info($"Created VkInstance with version: {appInfo.apiVersion.Major}.{appInfo.apiVersion.Minor}.{appInfo.apiVersion.Patch}");
if (instanceLayers.Count > 0)
{
foreach (var layer in instanceLayers)
{
Log.Info($"Instance layer '{layer}'");
}
}
foreach (string extension in instanceExtensions)
{
Log.Info($"Instance extension '{extension}'");
}
_surface = CreateSurface(window);
// Find physical device, setup queue's and create device.
var physicalDevices = vkEnumeratePhysicalDevices(VkInstance);
foreach (var physicalDevice in physicalDevices)
{
vkGetPhysicalDeviceProperties(physicalDevice, out var properties);
var deviceName = properties.GetDeviceName();
}
PhysicalDevice = physicalDevices[0];
var queueFamilies = FindQueueFamilies(PhysicalDevice, _surface);
var priority = 1.0f;
var queueCreateInfo = new VkDeviceQueueCreateInfo
{
sType = VkStructureType.DeviceQueueCreateInfo,
queueFamilyIndex = queueFamilies.graphicsFamily,
queueCount = 1,
pQueuePriorities = &priority
};
List <string> deviceExtensions = new List <string>
{
KHRSwapchainExtensionName
};
var deviceCreateInfo = new VkDeviceCreateInfo
{
sType = VkStructureType.DeviceCreateInfo,
pQueueCreateInfos = &queueCreateInfo,
queueCreateInfoCount = 1,
pEnabledFeatures = null,
};
using var deviceExtensionNames = new VkStringArray(deviceExtensions);
deviceCreateInfo.enabledExtensionCount = deviceExtensionNames.Length;
deviceCreateInfo.ppEnabledExtensionNames = deviceExtensionNames;
result = vkCreateDevice(PhysicalDevice, &deviceCreateInfo, null, out VkDevice);
if (result != VkResult.Success)
{
throw new Exception($"Failed to create Vulkan Logical Device, {result}");
}
vkGetDeviceQueue(VkDevice, queueFamilies.graphicsFamily, 0, out GraphicsQueue);
vkGetDeviceQueue(VkDevice, queueFamilies.presentFamily, 0, out PresentQueue);
// Create swap chain
Swapchain = new Swapchain(this, window);
_perFrame = new PerFrame[Swapchain.ImageCount];
for (var i = 0; i < _perFrame.Length; i++)
{
VkFenceCreateInfo fenceCreateInfo = new VkFenceCreateInfo(VkFenceCreateFlags.Signaled);
vkCreateFence(VkDevice, &fenceCreateInfo, null, out _perFrame[i].QueueSubmitFence).CheckResult();
VkCommandPoolCreateInfo poolCreateInfo = new VkCommandPoolCreateInfo
{
sType = VkStructureType.CommandPoolCreateInfo,
flags = VkCommandPoolCreateFlags.Transient,
queueFamilyIndex = queueFamilies.graphicsFamily,
};
vkCreateCommandPool(VkDevice, &poolCreateInfo, null, out _perFrame[i].PrimaryCommandPool).CheckResult();
VkCommandBufferAllocateInfo commandBufferInfo = new VkCommandBufferAllocateInfo
{
sType = VkStructureType.CommandBufferAllocateInfo,
commandPool = _perFrame[i].PrimaryCommandPool,
level = VkCommandBufferLevel.Primary,
commandBufferCount = 1
};
vkAllocateCommandBuffers(VkDevice, &commandBufferInfo, out _perFrame[i].PrimaryCommandBuffer).CheckResult();
}
}
private VkInstance CreateInstance(bool debug)
{
VkInstance instance;
// Specify standard validation layers.
string surfaceExtension;
switch (Host.Platform)
{
case Platform.Android:
surfaceExtension = KHRAndroidSurfaceExtensionName;
break;
case Platform.Win32:
surfaceExtension = KHRWin32SurfaceExtensionName;
break;
default:
throw new NotImplementedException();
}
VkString name = "TODO Application Name";
var appInfo = new VkApplicationInfo
{
sType = VkStructureType.ApplicationInfo,
pApplicationName = name,
applicationVersion = new VkVersion(1, 0, 0),
pEngineName = s_EngineName,
engineVersion = new VkVersion(1, 0, 0),
apiVersion = VkVersion.Version_1_0,
};
var instanceExtensions = new List <string>
{
KHRSurfaceExtensionName,
surfaceExtension
};
var instanceLayers = new List <string>();
if (EnableValidationLayers)
{
FindValidationLayers(instanceLayers);
}
if (instanceLayers.Count > 0)
{
instanceExtensions.Add(EXTDebugUtilsExtensionName);
}
using var vkInstanceExtensions = new VkStringArray(instanceExtensions);
var instanceCreateInfo = new VkInstanceCreateInfo
{
sType = VkStructureType.InstanceCreateInfo,
pApplicationInfo = &appInfo,
enabledExtensionCount = vkInstanceExtensions.Length,
ppEnabledExtensionNames = vkInstanceExtensions
};
using var vkLayerNames = new VkStringArray(instanceLayers);
if (instanceLayers.Count > 0)
{
instanceCreateInfo.enabledLayerCount = vkLayerNames.Length;
instanceCreateInfo.ppEnabledLayerNames = vkLayerNames;
}
VkResult result = vkCreateInstance(&instanceCreateInfo, null, out instance);
vkLoadInstance(instance);
if (instanceLayers.Count > 0)
{
_debugMessengerCallbackFunc = DebugMessengerCallback;
var debugCreateInfo = new VkDebugUtilsMessengerCreateInfoEXT
{
sType = VkStructureType.DebugUtilsMessengerCreateInfoEXT,
messageSeverity = VkDebugUtilsMessageSeverityFlagsEXT.Verbose | VkDebugUtilsMessageSeverityFlagsEXT.Error | VkDebugUtilsMessageSeverityFlagsEXT.Warning,
messageType = VkDebugUtilsMessageTypeFlagsEXT.General | VkDebugUtilsMessageTypeFlagsEXT.Validation | VkDebugUtilsMessageTypeFlagsEXT.Performance,
pfnUserCallback = Marshal.GetFunctionPointerForDelegate(_debugMessengerCallbackFunc)
};
vkCreateDebugUtilsMessengerEXT(instance, &debugCreateInfo, null, out debugMessenger).CheckResult();
}
return(instance);
}