diff --git a/private/raid/application.cpp b/private/raid/application.cpp
index 9f3682d..16dd302 100644
--- a/private/raid/application.cpp
+++ b/private/raid/application.cpp
@@ -459,6 +459,7 @@ bool Application::init()
         {
             return false;
         }
+        break;
     }
     if (!initImGui())
     {
@@ -501,6 +502,10 @@ void Application::cleanup()
             vk.DeviceWaitIdle(vk.device);
             vk.DestroyDevice(vk.device, nullptr);
         }
+        if (vk.debugUtilsMessenger != nullptr)
+        {
+            vk.DestroyDebugUtilsMessengerEXT(vk.instance, vk.debugUtilsMessenger, /* pAllocator = */ nullptr);
+        }
         if (vk.instance != nullptr)
         {
             vk.DestroyInstance(vk.instance, nullptr);
@@ -592,18 +597,90 @@ bool Application::initOpenGL()
 bool Application::initVulkan()
 {
     vk.GetInstanceProc = reinterpret_cast<vkGetInstanceProcAddr_fn_t>(SDL_Vulkan_GetVkGetInstanceProcAddr());
+    vk.EnumerateInstanceLayerProperties = reinterpret_cast<vkEnumerateInstanceLayerProperties_fn_t>(vk.GetInstanceProc(nullptr, "vkEnumerateInstanceLayerProperties"));
+    vk.EnumerateInstanceExtensionProperties = reinterpret_cast<vkEnumerateInstanceExtensionProperties_fn_t>(vk.GetInstanceProc(nullptr, "vkEnumerateInstanceExtensionProperties"));
     vk.CreateInstance = reinterpret_cast<vkCreateInstance_fn_t>(vk.GetInstanceProc(nullptr, "vkCreateInstance"));
 
+    std::uint32_t numInstanceLayers = 0;
+    if (const VkResult result = vk.EnumerateInstanceLayerProperties(&numInstanceLayers, nullptr); result != VK_SUCCESS && result != VK_INCOMPLETE)
+    {
+        msgError("Error enumerating instance layers: 0x{:x}.", static_cast<unsigned>(result));
+        return false;
+    }
+    std::vector<VkLayerProperties> instanceLayers;
+    instanceLayers.resize(numInstanceLayers);
+    if (const VkResult result = vk.EnumerateInstanceLayerProperties(&numInstanceLayers, instanceLayers.data()); result != VK_SUCCESS && result != VK_INCOMPLETE)
+    {
+        msgError("Error enumerating instance layers: 0x{:x}.", static_cast<unsigned>(result));
+        return false;
+    }
+
+    std::vector<const char*> enabledInstanceLayers;
+    for (const VkLayerProperties& props : instanceLayers) {
+        if (std::strcmp(props.layerName, "VK_LAYER_KHRONOS_validation") == 0) {
+            enabledInstanceLayers.push_back("VK_LAYER_KHRONOS_validation");
+        }
+    }
+
+    std::uint32_t numInstanceExtensions = 0;
+    if (const VkResult result = vk.EnumerateInstanceExtensionProperties(nullptr, &numInstanceExtensions, nullptr); result != VK_SUCCESS && result != VK_INCOMPLETE)
+    {
+        msgError("Error enumerating instance extensions: 0x{:x}.", static_cast<unsigned>(result));
+        return false;
+    }
+    std::vector<VkExtensionProperties> instanceExtensions;
+    instanceExtensions.resize(numInstanceExtensions);
+    if (const VkResult result = vk.EnumerateInstanceExtensionProperties(nullptr, &numInstanceExtensions, instanceExtensions.data()); result != VK_SUCCESS && result != VK_INCOMPLETE)
+    {
+        msgError("Error enumerating instance extensions: 0x{:x}.", static_cast<unsigned>(result));
+        return false;
+    }
+
+    std::uint32_t numSdlExtensions = 0;
+    const char* const* sdlExtensions = SDL_Vulkan_GetInstanceExtensions(&numSdlExtensions);
+    std::uint32_t numSupportedSdlExtensions = 0;
+
+    bool hasDebugUtils = false;
+    std::vector<const char*> enabledInstanceExtensions;
+    for (const VkExtensionProperties& props : instanceExtensions) {
+        if (std::strcmp(props.extensionName, "VK_EXT_debug_utils") == 0)
+        {
+            enabledInstanceExtensions.push_back("VK_EXT_debug_utils");
+            hasDebugUtils = true;
+        }
+        else
+        {
+            for (std::uint32_t idx = 0; idx < numSdlExtensions; ++idx)
+            {
+                if (std::strncmp(props.extensionName, sdlExtensions[idx], VK_MAX_EXTENSION_NAME_SIZE) == 0)
+                {
+                    enabledInstanceExtensions.push_back(sdlExtensions[idx]);
+                    ++numSupportedSdlExtensions;
+                }
+            }
+        }
+    }
+
+    if (numSupportedSdlExtensions != numSdlExtensions)
+    {
+        msgError("Cannot create Vulkan device, not all required instance extensions are supported.");
+        return false;
+    }
+
     const VkApplicationInfo applicationInfo = {
         .apiVersion = vkMakeApiVersion(0, 1, 3, 0) // TODO: probably should let the user specify this?
     };
     const VkInstanceCreateInfo instanceCreateInfo = {
-        .pApplicationInfo = &applicationInfo
+        .pApplicationInfo = &applicationInfo,
+        .enabledLayerCount = static_cast<std::uint32_t>(enabledInstanceLayers.size()),
+        .ppEnabledLayerNames = enabledInstanceLayers.data(),
+        .enabledExtensionCount = static_cast<std::uint32_t>(enabledInstanceExtensions.size()),
+        .ppEnabledExtensionNames = enabledInstanceExtensions.data()
     };
 
     if (const VkResult result = vk.CreateInstance(&instanceCreateInfo, nullptr, &vk.instance); result != VK_SUCCESS)
     {
-        msgError("Error creating Vulkan instance: {:x}.", static_cast<unsigned>(result));
+        msgError("Error creating Vulkan instance: 0x{:x}.", static_cast<unsigned>(result));
         return false;
     }
 
@@ -615,11 +692,35 @@ bool Application::initVulkan()
     vk.DeviceWaitIdle = reinterpret_cast<vkDeviceWaitIdle_fn_t>(vk.GetInstanceProc(vk.instance, "vkDeviceWaitIdle"));
     vk.GetDeviceQueue = reinterpret_cast<vkGetDeviceQueue_fn_t>(vk.GetInstanceProc(vk.instance, "vkGetDeviceQueue"));
 
+    if (hasDebugUtils)
+    {
+        vk.CreateDebugUtilsMessengerEXT = reinterpret_cast<vkCreateDebugUtilsMessengerEXT_fn_t>(vk.GetInstanceProc(vk.instance, "vkCreateDebugUtilsMessengerEXT"));
+        vk.DestroyDebugUtilsMessengerEXT = reinterpret_cast<vkDestroyDebugUtilsMessengerEXT_fn_t>(vk.GetInstanceProc(vk.instance, "vkDestroyDebugUtilsMessengerEXT"));
+
+        const VkDebugUtilsMessengerCreateInfoEXT messengerCreateInfo = {
+            .messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT,
+            .messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT,
+            .pfnUserCallback = [](VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageTypes, const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData, void* pUserData) {
+                return static_cast<Application*>(pUserData)->handleDebugUtilsMessage(messageSeverity, messageTypes, pCallbackData);
+            },
+            .pUserData = this
+        };
+
+        if (const VkResult result = vk.CreateDebugUtilsMessengerEXT(vk.instance, &messengerCreateInfo, /* pAllocator = */ nullptr, &vk.debugUtilsMessenger); result != VK_SUCCESS)
+        {
+            msgWarning("Error creating Vulkan debug utils messenger: 0x{:x}.", static_cast<unsigned>(result));
+            vk.debugUtilsMessenger = nullptr;
+        }
+    }
+    else {
+        vk.debugUtilsMessenger = nullptr;
+    }
+
     // TODO: this is really cheap... (but should be sufficient in most cases)
     std::uint32_t physicalDeviceCount = 1;
     if (const VkResult result = vk.EnumeratePhysicalDevices(vk.instance, &physicalDeviceCount, &vk.physicalDevice); result != VK_SUCCESS)
     {
-        msgError("Error enumerating Vulkan physical devices: {:x}.", static_cast<unsigned>(result));
+        msgError("Error enumerating Vulkan physical devices: 0x{:x}.", static_cast<unsigned>(result));
         return false;
     }
 
@@ -634,7 +735,10 @@ bool Application::initVulkan()
     std::uint32_t queueFamilyIndex = 0;
     for (; queueFamilyIndex < queueFamilyPropertyCount; ++queueFamilyIndex)
     {
-        if (queueFamilyProperties[queueFamilyIndex].queueFamilyProperties.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
+        const bool supportsGraphics = queueFamilyProperties[queueFamilyIndex].queueFamilyProperties.queueFlags & VK_QUEUE_GRAPHICS_BIT;
+        const bool supportsPresent = SDL_Vulkan_GetPresentationSupport(vk.instance, vk.physicalDevice, queueFamilyIndex);
+
+        if (supportsGraphics && supportsPresent) {
             break;
         }
     }
@@ -652,7 +756,7 @@ bool Application::initVulkan()
         .pQueuePriorities = &queuePriority
     };
     static const std::array DEVICE_EXTENSIONS = {
-        "VK_KHR_surface"
+        "VK_KHR_swapchain"
     };
     const VkDeviceCreateInfo deviceCreateInfo = {
         .queueCreateInfoCount = 1,
@@ -662,7 +766,7 @@ bool Application::initVulkan()
     };
     if (const VkResult result = vk.CreateDevice(vk.physicalDevice, &deviceCreateInfo, nullptr, &vk.device); result != VK_SUCCESS)
     {
-        msgError("Error creating Vulkan device: {:x}.", static_cast<unsigned>(result));
+        msgError("Error creating Vulkan device: 0x{:x}.", static_cast<unsigned>(result));
         return false;
     }
     vk.GetDeviceQueue(vk.device, /* queueFamilyIndex = */ 0, /* queueIndex = */ 0, &vk.queue);
@@ -788,6 +892,25 @@ void Application::saveImGuiConfig()
     }
 }
 
+auto Application::handleDebugUtilsMessage(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
+                                          VkDebugUtilsMessageTypeFlagsEXT /* messageTypes */,
+                                          const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData) -> VkBool32
+{
+    switch (messageSeverity)
+    {
+    case VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT:
+        msgError("Vulkan debug error message: {}.", pCallbackData->pMessage);
+        break;
+    case VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT:
+        msgWarning("Vulkan debug warning message: {}.", pCallbackData->pMessage);
+        break;
+    default:
+        msgInfo("Vulkan debug message: {}.", pCallbackData->pMessage);
+        break;
+    }
+    return false;
+}
+
 void QuickApp::preInit(QuickAppOptions options)
 {
     MIJIN_ASSERT_FATAL(options.callbacks.render, "Missing render callback.");
diff --git a/public/raid/application.hpp b/public/raid/application.hpp
index 3cf67bd..774d6c8 100644
--- a/public/raid/application.hpp
+++ b/public/raid/application.hpp
@@ -157,23 +157,23 @@ protected:
     void msgInfo(const char* text)
     {
         handleMessage({
-                              .severity = MessageSeverity::INFO,
-                              .text = text
-                      });
+            .severity = MessageSeverity::INFO,
+            .text = text
+        });
     }
     void msgWarning(const char* text)
     {
         handleMessage({
-                              .severity = MessageSeverity::WARNING,
-                              .text = text
-                      });
+            .severity = MessageSeverity::WARNING,
+            .text = text
+        });
     }
     void msgError(const char* text)
     {
         handleMessage({
-                              .severity = MessageSeverity::ERROR,
-                              .text = text
-                      });
+            .severity = MessageSeverity::ERROR,
+            .text = text
+        });
     }
     void msgInfo(const std::string& text)
     {
@@ -215,6 +215,10 @@ private:
     void handleSDLEvents();
     void loadImGuiConfig();
     void saveImGuiConfig();
+
+    VkBool32 handleDebugUtilsMessage(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
+                                     VkDebugUtilsMessageTypeFlagsEXT messageTypes,
+                                     const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData);
 };
 
 using render_cb_t = std::function<void()>;
diff --git a/public/raid/internal/vulkan.hpp b/public/raid/internal/vulkan.hpp
index 025ef90..8bc83c1 100644
--- a/public/raid/internal/vulkan.hpp
+++ b/public/raid/internal/vulkan.hpp
@@ -19,17 +19,29 @@ namespace raid
 struct MixinVulkanApplication
 {
 #if !RAID_USE_VULKAN_H
+    // basic types
+    using VkBool32 = std::uint32_t;
+
     // flags
     using VkFlags = std::uint32_t;
     using VkInstanceCreateFlags = VkFlags;
+    using VkDebugUtilsMessengerCreateFlagsEXT = VkFlags;
+    using VkDebugUtilsMessageSeverityFlagsEXT = VkFlags;
+    using VkDebugUtilsMessageTypeFlagsEXT = VkFlags;
+    using VkDebugUtilsMessengerCallbackDataFlagsEXT = VkFlags;
     using VkQueueFlags = VkFlags;
     using VkDeviceCreateFlags = VkFlags;
     using VkDeviceQueueCreateFlags = VkFlags;
 
+    // constants
+    static constexpr std::uint32_t VK_MAX_EXTENSION_NAME_SIZE = 256;
+    static constexpr std::uint32_t VK_MAX_DESCRIPTION_SIZE = 256;
+
     // enums
     enum VkResult
     {
-        VK_SUCCESS = 0
+        VK_SUCCESS = 0,
+        VK_INCOMPLETE = 5
     };
     enum VkStructureType
     {
@@ -37,10 +49,28 @@ struct MixinVulkanApplication
         VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO = 1,
         VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO = 2,
         VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO = 3,
-        VK_STRUCTURE_TYPE_QUEUE_FAMILY_PROPERTIES_2 = 1000059005
+        VK_STRUCTURE_TYPE_QUEUE_FAMILY_PROPERTIES_2 = 1000059005,
+        VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT = 1000128000,
+        VK_STRUCTURE_TYPE_DEBUG_UTILS_LABEL_EXT = 1000128002,
+        VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CALLBACK_DATA_EXT = 1000128003,
+        VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT = 1000128004
     };
     enum VkSystemAllocationScope {};
     enum VkInternalAllocationType {};
+    enum VkObjectType {};
+    enum VkDebugUtilsMessageSeverityFlagBitsEXT : VkFlags
+    {
+        VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT = 0x00000001,
+        VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT = 0x00000010,
+        VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT = 0x00000100,
+        VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT = 0x00001000
+    };
+    enum VkDebugUtilsMessageTypeFlagBitsEXT : VkFlags
+    {
+        VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT = 0x00000001,
+        VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT = 0x00000002,
+        VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT = 0x00000004
+    };
     enum VkQueueFlagBits : VkFlags
     {
         VK_QUEUE_GRAPHICS_BIT = 0x00000001
@@ -49,6 +79,19 @@ struct MixinVulkanApplication
     // handles
     using VkDevice = struct VkDevice_*;
     using VkQueue = struct VkQueue_*;
+    using VkDebugUtilsMessengerEXT = struct VkDebugUtilsMessengerEXT_*;
+
+    struct VkDebugUtilsMessengerCallbackDataEXT;
+
+    // Vulkan function pointer types
+    using PFN_vkVoidFunction = void (*)();
+    // TODO: VKAPI_PTR?
+    using PFN_vkAllocationFunction = void* (*)(void* pUserData, std::size_t size, std::size_t alignment, VkSystemAllocationScope allocationScope);
+    using PFN_vkReallocationFunction = void* (*)(void* pUserData, void* pOriginal, std::size_t size, std::size_t alignment, VkSystemAllocationScope allocationScope);
+    using PFN_vkFreeFunction = void (*)(void* pUserData, void* pMemory);
+    using PFN_vkInternalAllocationNotification = void (*)(void* pUserData, std::size_t size, VkInternalAllocationType allocationType, VkSystemAllocationScope allocationScope);
+    using PFN_vkInternalFreeNotification = void (*)(void* pUserData, std::size_t size, VkInternalAllocationType allocationType, VkSystemAllocationScope allocationScope);
+    using PFN_vkDebugUtilsMessengerCallbackEXT = VkBool32 (*)(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageTypes, const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData, void* pUserData);
 
     // structs
     struct VkExtent3D
@@ -58,6 +101,20 @@ struct MixinVulkanApplication
         std::uint32_t depth = 0;
     };
 
+    struct VkLayerProperties
+    {
+        char layerName[VK_MAX_EXTENSION_NAME_SIZE] = {0};
+        std::uint32_t specVersion = 0;
+        std::uint32_t implementationVersion = 0;
+        char description[VK_MAX_DESCRIPTION_SIZE] = {0};
+    };
+
+    struct VkExtensionProperties
+    {
+        char extensionName[VK_MAX_EXTENSION_NAME_SIZE] = {0};
+        std::uint32_t specVersion = 0;
+    };
+
     struct VkApplicationInfo
     {
         VkStructureType sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
@@ -80,6 +137,50 @@ struct MixinVulkanApplication
         const char* const* ppEnabledExtensionNames = nullptr;
     };
 
+    struct VkDebugUtilsMessengerCreateInfoEXT
+    {
+        VkStructureType sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
+        const void* pNext = nullptr;
+        VkDebugUtilsMessengerCreateFlagsEXT flags = 0;
+        VkDebugUtilsMessageSeverityFlagsEXT messageSeverity = 0;
+        VkDebugUtilsMessageTypeFlagsEXT messageType = 0;
+        PFN_vkDebugUtilsMessengerCallbackEXT pfnUserCallback;
+        void* pUserData = nullptr;
+    };
+
+    struct VkDebugUtilsLabelEXT
+    {
+        VkStructureType sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_LABEL_EXT;
+        const void* pNext = nullptr;
+        const char* pLabelName = nullptr;
+        float color[4] = {0.f, 0.f, 0.f, 0.f};
+    };
+
+    struct VkDebugUtilsObjectNameInfoEXT
+    {
+        VkStructureType sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_OBJECT_NAME_INFO_EXT;
+        const void* pNext = nullptr;
+        VkObjectType objectType = static_cast<VkObjectType>(0);
+        std::uint64_t objectHandle = 0;
+        const char* pObjectName = nullptr;
+    };
+
+    struct VkDebugUtilsMessengerCallbackDataEXT
+    {
+        VkStructureType sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CALLBACK_DATA_EXT;
+        const void* pNext = nullptr;
+        VkDebugUtilsMessengerCallbackDataFlagsEXT flags = 0;
+        const char* pMessageIdName;
+        std::int32_t messageIdNumber;
+        const char* pMessage;
+        std::uint32_t queueLabelCount;
+        const VkDebugUtilsLabelEXT* pQueueLabels;
+        std::uint32_t cmdBufLabelCount;
+        const VkDebugUtilsLabelEXT* pCmdBufLabels;
+        std::uint32_t objectCount;
+        const VkDebugUtilsObjectNameInfoEXT* pObjects;
+    };
+
     struct VkQueueFamilyProperties
     {
         VkQueueFlags queueFlags = 0;
@@ -120,14 +221,6 @@ struct MixinVulkanApplication
         const VkPhysicalDeviceFeatures* pEnabledFeatures = nullptr;
     };
 
-    // Vulkan function pointer types
-    using PFN_vkVoidFunction = void (*)();
-    // TODO: VKAPI_PTR?
-    using PFN_vkAllocationFunction = void* (*)(void* pUserData, std::size_t size, std::size_t alignment, VkSystemAllocationScope allocationScope);
-    using PFN_vkReallocationFunction = void* (*)(void* pUserData, void* pOriginal, std::size_t size, std::size_t alignment, VkSystemAllocationScope allocationScope);
-    using PFN_vkFreeFunction = void (*)(void* pUserData, void* pMemory);
-    using PFN_vkInternalAllocationNotification = void (*)(void* pUserData, std::size_t size, VkInternalAllocationType allocationType, VkSystemAllocationScope allocationScope);
-    using PFN_vkInternalFreeNotification = void (*)(void* pUserData, std::size_t size, VkInternalAllocationType allocationType, VkSystemAllocationScope allocationScope);
     struct VkAllocationCallbacks
     {
         void* pUserData = nullptr;
@@ -138,27 +231,41 @@ struct MixinVulkanApplication
         PFN_vkInternalFreeNotification pfnInternalFree = nullptr;
     };
 
-    // function pointers
+    // -- function pointers
+    // instance creation
     using vkGetInstanceProcAddr_fn_t = PFN_vkVoidFunction (*)(VkInstance instance, const char* pName);
+    using vkEnumerateInstanceLayerProperties_fn_t = VkResult (*)(std::uint32_t* pPropertyCount, VkLayerProperties* pProperties);
+    using vkEnumerateInstanceExtensionProperties_fn_t = VkResult (*)(const char* pLayerName, std::uint32_t* pPropertyCount, VkExtensionProperties* pProperties);
+    using vkCreateDebugUtilsMessengerEXT_fn_t = VkResult (*)(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkDebugUtilsMessengerEXT* pMessenger);
+    using vkDestroyDebugUtilsMessengerEXT_fn_t = void (*)(VkInstance instance, VkDebugUtilsMessengerEXT messenger, const VkAllocationCallbacks* pAllocator);
     using vkCreateInstance_fn_t = VkResult (*)(const VkInstanceCreateInfo* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkInstance* pInstance);
     using vkDestroyInstance_fn_t = void (*)(VkInstance instance, const VkAllocationCallbacks* pAllocator);
+
+    // device creation
     using vkEnumeratePhysicalDevices_fn_t = VkResult (*)(VkInstance instance, std::uint32_t* pPhysicalDeviceCount, VkPhysicalDevice* pPhysicalDevices);
     using vkGetPhysicalDeviceQueueFamilyProperties2_fn_t = void (*)(VkPhysicalDevice physicalDevice, std::uint32_t* pQueueFamilyPropertyCount, VkQueueFamilyProperties2* pQueueFamilyProperties);
     using vkCreateDevice_fn_t = VkResult (*)(VkPhysicalDevice physicalDevice, const VkDeviceCreateInfo* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkDevice* pDevice);
     using vkDestroyDevice_fn_t = void (*)(VkDevice device, const VkAllocationCallbacks* pAllocator);
     using vkDeviceWaitIdle_fn_t = VkResult (*)(VkDevice device);
+
+    // other creation
     using vkGetDeviceQueue_fn_t = void (*)(VkDevice device, std::uint32_t queueFamilyIndex, std::uint32_t queueIndex, VkQueue* pQueue);
 #endif // !RAID_USE_VULKAN_H
 
     struct VulkanData
     {
         VkInstance instance;
+        VkDebugUtilsMessengerEXT debugUtilsMessenger;
         VkPhysicalDevice physicalDevice;
         VkDevice device;
         VkQueue queue;
         VkSurfaceKHR surface;
 
         vkGetInstanceProcAddr_fn_t GetInstanceProc;
+        vkEnumerateInstanceLayerProperties_fn_t EnumerateInstanceLayerProperties;
+        vkEnumerateInstanceExtensionProperties_fn_t EnumerateInstanceExtensionProperties;
+        vkCreateDebugUtilsMessengerEXT_fn_t CreateDebugUtilsMessengerEXT;
+        vkDestroyDebugUtilsMessengerEXT_fn_t DestroyDebugUtilsMessengerEXT;
         vkCreateInstance_fn_t CreateInstance;
         vkDestroyInstance_fn_t DestroyInstance;
         vkEnumeratePhysicalDevices_fn_t EnumeratePhysicalDevices;