Added imutil.hpp/cpp for ImGui utility functions.

private/raid/SModule

@@ -9,6 +9,7 @@ if not hasattr(env, 'Jinja'):
 src_files = Split("""
     application.cpp
     config.cpp
+    imutil.cpp
     fonts.gen.cpp
     stb_image.cpp
 """)

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.");

private/raid/imutil.cpp

@@ -0,0 +1,7 @@
+
+#include "raid/imutil.hpp"
+
+namespace raid::impl
+{
+// std::string gFormatBuffer;
+}

public/raid/application.hpp

@@ -157,23 +157,23 @@ protected:
     void msgInfo(const char* text)
     {
         handleMessage({
-                              .severity = MessageSeverity::INFO,
+            .severity = MessageSeverity::INFO,
-                              .text = text
+            .text = text
-                      });
+        });
     }
     void msgWarning(const char* text)
     {
         handleMessage({
-                              .severity = MessageSeverity::WARNING,
+            .severity = MessageSeverity::WARNING,
-                              .text = text
+            .text = text
-                      });
+        });
     }
     void msgError(const char* text)
     {
         handleMessage({
-                              .severity = MessageSeverity::ERROR,
+            .severity = MessageSeverity::ERROR,
-                              .text = text
+            .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()>;

public/raid/imraid.hpp

@@ -5,16 +5,24 @@
 #define RAID_PUBLIC_RAID_IMRAID_HPP_INCLUDED 1
 
 #include <algorithm>
+#include <cinttypes>
 #include <cstring>
 #include <format>
 #include <functional>
+#include <ranges>
 #include <span>
 #include <string>
+#include <string_view>
 #include <vector>
 
 #include <imgui.h>
+#include <imgui_internal.h>
 #include <mijin/async/coroutine.hpp>
 #include <mijin/debug/assert.hpp>
+#include <mijin/util/bitflags.hpp>
+#include <SDL3/SDL.h>
+
+#include "./imutil.hpp"
 
 namespace ImRaid
 {
@@ -58,7 +66,7 @@ inline bool ToggleImageButton(const char* strId, ImTextureID textureId, const Im
     return clicked;
 }
 
-inline bool BeginPopupButton(const char* label)
+inline bool BeginPopupButton(const char* label, const ImVec2& size = {} , ImGuiWindowFlags flags = ImGuiWindowFlags_NoNav | ImGuiWindowFlags_NoSavedSettings)
 {
     char popupId[128] = {"popup##"};
     std::strcat(popupId, label);
@@ -70,9 +78,47 @@ inline bool BeginPopupButton(const char* label)
 
     const float popupY = ImGui::GetCursorScreenPos().y;
     ImGui::SetNextWindowPos({popupX, popupY});
-    return ImGui::BeginPopup(popupId, ImGuiWindowFlags_NoNav);
+    ImGui::SetNextWindowSize(size);
+    return ImGui::BeginPopup(popupId, flags);
 }
 
+inline void TextUnformatted(std::string_view stringView)
+{
+    ImGui::TextUnformatted(stringView.data(), stringView.data() + stringView.size());
+}
+
+inline float CalcButtonWidth(const char* text)
+{
+    return ImGui::CalcTextSize(text).x + (2.f * ImGui::GetStyle().FramePadding.x);
+}
+
+class IDScope
+{
+public:
+    explicit IDScope(int intId)
+    {
+        ImGui::PushID(intId);
+    }
+    explicit IDScope(const void* ptrId)
+    {
+        ImGui::PushID(ptrId);
+    }
+    explicit IDScope(const char* strId)
+    {
+        ImGui::PushID(strId);
+    }
+    IDScope(const char* strId, const char* strIdEnd)
+    {
+        ImGui::PushID(strId, strIdEnd);
+    }
+    IDScope(const IDScope&) = delete;
+    ~IDScope()
+    {
+        ImGui::PopID();
+    }
+    IDScope& operator=(const IDScope&) = delete;
+};
+
 struct DataTableState
 {
     std::vector<std::size_t> sortedIndices;
@@ -99,18 +145,66 @@ struct DataTableColumn
     const char* header;
     renderer_t renderer;
     comparator_t comparator;
+    ImGuiTableColumnFlags flags = ImGuiTableColumnFlags_None;
+    float initialWidthOrWeight = 0.f;
+};
+
+struct DataTableItemState
+{
+    bool selected = false;
+    bool hovered = false;
+};
+
+template<typename TObject>
+struct DataTableRenderState
+{
+    const TObject* currentObject = nullptr;
+    std::size_t rowIdx = 0;
+    unsigned currentTreeDepth = 0;
+    DataTableItemState item = {};
+};
+
+enum class SelectAction
+{
+    ADD,
+    REMOVE,
+    SET
+};
+
+struct DataTableTreeItem
+{
+    unsigned depth = 0;
+    ImGuiTreeNodeFlags flags = ImGuiTreeNodeFlags_Leaf | ImGuiTreeNodeFlags_SpanAllColumns;
 };
 
 template<typename TObject>
 struct DataTableOptions
 {
+
+    using filter_t = std::function<bool(const TObject&)>;
+    using getid_t = std::function<const char*(const TObject&)>;
+    using click_handler_t = std::function<void(const TObject&)>;
+    using getstate_t = std::function<DataTableItemState(const TObject&)>;
+    using select_handler_t = std::function<void(const TObject&, SelectAction)>;
+    using gettreeitem_t = std::function<DataTableTreeItem(const TObject&)>;
+
     std::span<const DataTableColumn<TObject>> columns;
     ImGuiTableFlags tableFlags = ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable | ImGuiTableFlags_Sortable
                                | ImGuiTableFlags_ScrollY | ImGuiTableFlags_SortMulti;
+    bool hoverable = false;
+    bool tree = false;
+    bool noHeaders = false;
+
+    filter_t filter = {};
+    getid_t getId = {};
+    click_handler_t rightClickHandler = {};
+    getstate_t getState = {};
+    select_handler_t selectHandler = {};
+    gettreeitem_t getTreeItem = {};
 };
 
-template<typename TObject,typename TData>
+template<typename TObject, typename TData>
-inline void DataTable(const char* strId, const DataTableOptions<TObject>& options, const TData& data, DataTableState& state, ImVec2 outerSize = {})
+inline void DataTable(const char* strId, const DataTableOptions<TObject>& options, TData&& data, DataTableState& state, DataTableRenderState<TObject>& renderState, ImVec2 outerSize = {})
 {
     if (outerSize.y <= 0.f) {
         outerSize.y = ImGui::GetContentRegionAvail().y;
@@ -122,15 +216,19 @@ inline void DataTable(const char* strId, const DataTableOptions<TObject>& option
 
     for (const DataTableColumn<TObject>& column : options.columns)
     {
-        ImGuiTableColumnFlags flags = 0;
+        ImGuiTableColumnFlags flags = column.flags;
         MIJIN_ASSERT(column.renderer, "Missing column renderer.");
         if (!column.comparator) {
             flags |= ImGuiTableColumnFlags_NoSort;
         }
-        ImGui::TableSetupColumn(column.header, flags);
+        ImGui::TableSetupColumn(column.header, flags, column.initialWidthOrWeight);
+    }
+
+    if (!options.noHeaders)
+    {
+        ImGui::TableSetupScrollFreeze(0, 1);
+        ImGui::TableHeadersRow();
     }
-    ImGui::TableSetupScrollFreeze(0, 1);
-    ImGui::TableHeadersRow();
 
     ImGuiTableSortSpecs* sortSpecs = ImGui::TableGetSortSpecs();
     if (sortSpecs != nullptr && sortSpecs->SpecsDirty)
@@ -156,56 +254,159 @@ inline void DataTable(const char* strId, const DataTableOptions<TObject>& option
         }
     }
 
-    if (state.sortedIndices.size() != data.size())
+    static constexpr bool kSortable = std::ranges::random_access_range<TData>;
-    {
-        state.dirty = true;
-        state.sortedIndices.resize(data.size());
-    }
 
-    if (state.dirty)
+    typename DataTableOptions<TObject>::getid_t getId = options.getId;
+    
+    static constexpr std::size_t kGetIdBufferSize = 19; // 16 digits + ## and \0
+    char getIdBuffer[kGetIdBufferSize] = {0};
+    if (!getId)
     {
-        for (std::size_t idx = 0; idx < data.size(); ++idx) {
+        getId = [&](const TObject& object)
-            state.sortedIndices[idx] = idx;
-        }
-        std::ranges::sort(state.sortedIndices, [&](std::size_t leftIdx, std::size_t rightIdx)
         {
-            for (const DataTableState::SortColumn& column : state.sortColumns)
+            std::snprintf(getIdBuffer, kGetIdBufferSize, "##%016" PRIXPTR, reinterpret_cast<std::uintptr_t>(&object));
-            {
+            return getIdBuffer;
-                const bool less = options.columns[column.index].comparator(data[leftIdx], data[rightIdx]);
+        };
-                if (less)
-                { // left < right
-                    return !column.sortDescending;
-                }
-                if (options.columns[column.index].comparator(data[rightIdx], data[leftIdx]))
-                { // left > right
-                    return column.sortDescending;
-                }
-            }
-            // left == right
-            return false;
-        });
-        state.dirty = false;
     }
 
-    for (const std::size_t dataIdx : state.sortedIndices)
+    typename DataTableOptions<TObject>::gettreeitem_t getTreeItem = options.getTreeItem;
+    if (!getTreeItem)
     {
-        const TObject& object = data[dataIdx];
+        getTreeItem = [](const TObject&) -> DataTableTreeItem {
+            return {};
+        };
+    }
+    
+    renderState.rowIdx = 0;
+    renderState.currentTreeDepth = 0;
+    
+    auto renderRow = [&](const TObject& object)
+    {
+        if (options.tree && getTreeItem(object).depth > renderState.currentTreeDepth) {
+            return;
+        }
+
+        if (options.filter && !options.filter(object)) {
+            return;
+        }
+
         ImGui::TableNextRow();
+        renderState.currentObject = &object;
         
+        bool hoverNext = options.hoverable || options.tree;
+        renderState.item = options.getState ? options.getState(object) : DataTableItemState{};
         for (const DataTableColumn<TObject>& column : options.columns)
         {
             ImGui::TableNextColumn();
+            if (hoverNext)
+            {
+                hoverNext = false;
+
+                bool clicked = false;
+                if (options.tree)
+                {
+                    const DataTableTreeItem treeItem = getTreeItem(object);
+                    MIJIN_ASSERT(treeItem.depth <= renderState.currentTreeDepth + 1, "Tree depth cannot increase by more than 1 per item.");
+
+                    // close up to new depth
+                    for (unsigned cnt = treeItem.depth; cnt < renderState.currentTreeDepth; ++cnt) {
+                        ImGui::TreePop();
+                    }
+
+                    const ImGuiTreeNodeFlags flags = treeItem.flags
+                        | (renderState.item.selected ? ImGuiTreeNodeFlags_Selected : ImGuiTreeNodeFlags_None);
+                    const bool open = ImGui::TreeNodeEx(getId(object), flags, "");
+                    renderState.currentTreeDepth = treeItem.depth + (open ? 1 : 0);
+                    clicked = ImGui::IsItemClicked();
+                }
+                else
+                {
+                    const ImGuiSelectableFlags flags = ImGuiSelectableFlags_SpanAllColumns
+                        | (renderState.item.hovered ? ImGuiSelectableFlags_Highlight : ImGuiSelectableFlags_None);
+                    clicked = ImGui::Selectable(getId(object), renderState.item.selected, flags);
+                }
+
+                if (clicked && options.selectHandler)
+                {
+                    if (ImGui::IsKeyDown(ImGuiKey_LeftCtrl) || ImGui::IsKeyDown(ImGuiKey_RightCtrl)) {
+                        options.selectHandler(object, renderState.item.selected ? SelectAction::REMOVE : SelectAction::ADD);
+                    }
+                    else if (!renderState.item.selected) {
+                        options.selectHandler(object, SelectAction::SET);
+                    }
+                }
+                if (options.rightClickHandler && ImGui::IsItemClicked(ImGuiMouseButton_Right)) {
+                    options.rightClickHandler(object);
+                }
+                ImGui::SameLine();
+            }
             column.renderer({
                 .object = object
             });
         }
+
+        ++renderState.rowIdx;
+    };
+
+    if constexpr (kSortable)
+    {
+        if (state.sortedIndices.size() != data.size())
+        {
+            state.dirty = true;
+            state.sortedIndices.resize(data.size());
+        }
+
+        if (state.dirty)
+        {
+            for (std::size_t idx = 0; idx < data.size(); ++idx) {
+                state.sortedIndices[idx] = idx;
+            }
+            std::ranges::sort(state.sortedIndices, [&](std::size_t leftIdx, std::size_t rightIdx)
+            {
+                for (const DataTableState::SortColumn& column : state.sortColumns)
+                {
+                    const bool less = options.columns[column.index].comparator(data[leftIdx], data[rightIdx]);
+                    if (less)
+                    { // left < right
+                        return !column.sortDescending;
+                    }
+                    if (options.columns[column.index].comparator(data[rightIdx], data[leftIdx]))
+                    { // left > right
+                        return column.sortDescending;
+                    }
+                }
+                // left == right
+                return false;
+            });
+            state.dirty = false;
+        }
+
+        for (const std::size_t dataIdx : state.sortedIndices) {
+            renderRow(std::forward<TData>(data)[dataIdx]);
+        }
+    }
+    else // constexpr kSortable
+    {
+        for (const TObject& object : std::forward<TData>(data)) {
+            renderRow(object);
+        }
+    }
+
+    for (unsigned cnt = 0; cnt < renderState.currentTreeDepth; ++cnt) {
+        ImGui::TreePop();
     }
 
     ImGui::EndTable();
 }
+template<typename TObject, typename TData>
+void DataTable(const char* strId, const DataTableOptions<TObject>& options, TData&& data, DataTableState& state, ImVec2 outerSize = {})
+{
+    DataTableRenderState<TObject> renderState;
+    DataTable(strId, options, std::forward<TData>(data), state, renderState, outerSize);
+}
 
 template<typename TObject>
-inline DataTableColumn<TObject> MakeStringColumn(const char* header, const char* TObject::* member)
+DataTableColumn<TObject> MakeStringColumn(const char* header, const char* TObject::* member)
 {
     return {
         .header = header,
@@ -215,7 +416,7 @@ inline DataTableColumn<TObject> MakeStringColumn(const char* header, const char*
 }
 
 template<typename TObject>
-inline DataTableColumn<TObject> MakeStringColumn(const char* header, std::string TObject::* member)
+DataTableColumn<TObject> MakeStringColumn(const char* header, std::string TObject::* member)
 {
     return {
         .header = header,
@@ -225,7 +426,7 @@ inline DataTableColumn<TObject> MakeStringColumn(const char* header, std::string
 }
 
 template<typename TObject, typename TMember>
-inline DataTableColumn<TObject> MakeColumn(const char* header, const char* fmt, TMember TObject::* member)
+DataTableColumn<TObject> MakeColumn(const char* header, const char* fmt, TMember TObject::* member)
 {
     return {
         .header = header,
@@ -234,22 +435,301 @@ inline DataTableColumn<TObject> MakeColumn(const char* header, const char* fmt,
     };
 }
 
-template<typename TFunc>
+enum class WindowReopenMode
-mijin::Task<> c_MessageBox(const char* titleId, TFunc&& renderFunc)
 {
-    ImGui::OpenPopup(titleId);
+    APPEND,
+    DONT_OPEN,
+    FOCUS,
+    DUPLICATE,
+    CLOSE_EXISTING
+};
 
-    bool open = true;
+struct WindowFlags : mijin::BitFlags<WindowFlags>
-    while (ImGui::BeginPopupModal(titleId, &open, ImGuiWindowFlags_NoResize))
+{
+    bool topmost : 1 = false;
+    bool applicationTopmost : 1 = false;
+    bool noTaskbarIcon : 1 = false;
+};
+
+inline constexpr ImGuiWindowFlags kUnspecifiedWindowFlags = std::numeric_limits<ImGuiWindowFlags>::max();
+struct WindowOptions
+{
+    ImGuiWindowFlags imguiFlags = kUnspecifiedWindowFlags;
+    ImVec2 initialSize = {-1.f, -1.f};
+    WindowReopenMode reopenMode = WindowReopenMode::APPEND;
+    WindowFlags flags = {};
+};
+
+inline constexpr ImGuiWindowFlags kDefaultWindowFlags = ImGuiWindowFlags_None;
+inline constexpr ImGuiWindowFlags kDefaultPopupFlags = ImGuiWindowFlags_NoSavedSettings;
+inline constexpr ImGuiWindowFlags kDefaultDialogFlags = ImGuiWindowFlags_NoSavedSettings;
+
+inline constexpr WindowOptions kDefaultPopupOptions = {
+    .imguiFlags = kDefaultPopupFlags,
+    .reopenMode = WindowReopenMode::CLOSE_EXISTING
+};
+
+inline constexpr WindowOptions kDefaultMessageBoxOptions = {
+    .imguiFlags = kDefaultDialogFlags | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_AlwaysAutoResize,
+    .reopenMode = WindowReopenMode::DUPLICATE, // TODO: this depends on the message box...
+    .flags = {
+        .applicationTopmost = true,
+        .noTaskbarIcon = true
+    }
+};
+
+namespace impl
+{
+struct WindowState
+{
+    std::string newTitleId;        // in case we want to duplicate the window if opened twice a new ID is automatically generated
+    int myInstanceID = 0;          // used to close previous instances, if that is requested
+    bool showOnAppFocus = false;    // for app topmost windows: has been hidden earlier and should be shown when the app regains focus
+};
+
+inline const ImGuiID kLastInstanceKey = ImHashStr("last_instance");
+
+[[nodiscard]]
+inline mijin::Task<bool> c_prepareOpenWindow(const char*& titleId, const WindowOptions& options, WindowState& state)
+{
+    if (options.reopenMode != WindowReopenMode::APPEND)
     {
-        std::invoke(std::forward<TFunc>(renderFunc));
+        if (ImGuiWindow* window = ImGui::FindWindowByName(titleId); window != nullptr)
+        {
+            if (!window->WasActive)
+            {
+                // exists, but isn't active, reset the instance ID
+                window->StateStorage.SetInt(kLastInstanceKey, 0);
+            }
+            else
+            {
+                switch (options.reopenMode)
+                {
+                case WindowReopenMode::APPEND:
+                    break; // how?5
+                case WindowReopenMode::DONT_OPEN:
+                    co_return false;
+                case WindowReopenMode::FOCUS:
+                    ImGui::SetWindowFocus(titleId);
+                    co_return false;
+                case WindowReopenMode::DUPLICATE:
+                    state.newTitleId = std::format("{}##{}", titleId, mijin::getCurrentTask().getState());
+                    titleId = state.newTitleId.c_str();
+                    break;
+                case WindowReopenMode::CLOSE_EXISTING:
+                    state.myInstanceID = window->StateStorage.GetInt(kLastInstanceKey) + 1;
+                    window->StateStorage.SetInt(kLastInstanceKey, state.myInstanceID);
+                    if (!(options.imguiFlags & ImGuiWindowFlags_NoFocusOnAppearing))
+                    {
+                        // ImGui treats it as the same window, but it's actually a new one
+                        ImGui::SetNextWindowFocus();
+                    }
+
+                    // wait one frame, otherwise it will be drawn twice, which breaks auto-sizing
+                    co_await mijin::c_suspend();
+                    break;
+                }
+            }
+        }
+    }
+
+    const ImGuiViewportFlags viewportFlags =
+        (options.flags.topmost            ? ImGuiViewportFlags_TopMost       : ImGuiViewportFlags_None)
+      | (options.flags.applicationTopmost ? ImGuiViewportFlags_NoAutoMerge   : ImGuiViewportFlags_None)
+      | (options.flags.noTaskbarIcon      ? ImGuiViewportFlags_NoTaskBarIcon : ImGuiViewportFlags_None);
+    if (viewportFlags != ImGuiViewportFlags_None)
+    {
+        ImGuiWindowClass windowClass;
+        windowClass.ViewportFlagsOverrideSet = viewportFlags;
+        ImGui::SetNextWindowClass(&windowClass);
+    }
+    
+    ImGui::SetNextWindowSize(options.initialSize);
+    co_return true;
+}
+
+[[nodiscard]]
+inline bool updateWindow(const WindowOptions& options, WindowState& state)
+{
+    const ImGuiWindow* const window = ImGui::GetCurrentWindow();
+    if (window->StateStorage.GetInt(kLastInstanceKey) != state.myInstanceID) {
+        return false;
+    }
+
+    if (options.flags.applicationTopmost && window->Viewport != nullptr && window->Viewport->PlatformHandle != nullptr)
+    {
+        const ImGuiWindow* popupModal = ImGui::GetTopMostPopupModal();
+        const bool forceNoTopmost = (popupModal != nullptr && popupModal != window); // don't move to front if there is currently a modal popup
+        bool appHasFocus = false;
+        
+        for (ImGuiViewport* viewport : ImGui::GetPlatformIO().Viewports)
+        {
+            if (viewport->Flags & ImGuiViewportFlags_IsFocused)
+            {
+                appHasFocus = true;
+                break;
+            }
+        }
+        
+        const SDL_WindowID sdlID = static_cast<SDL_WindowID>(reinterpret_cast<std::uintptr_t>(window->Viewport->PlatformHandle));
+        SDL_Window* sdlWindow = SDL_GetWindowFromID(sdlID);
+
+        const SDL_WindowFlags sdlFlags = SDL_GetWindowFlags(sdlWindow);
+        const bool isTopmost = (sdlFlags & SDL_WINDOW_ALWAYS_ON_TOP);
+        const bool wantTopmost = (appHasFocus && !forceNoTopmost);
+        if (isTopmost != wantTopmost)
+        {
+            const bool isHidden = (sdlFlags & SDL_WINDOW_HIDDEN);
+            SDL_SetWindowAlwaysOnTop(sdlWindow, wantTopmost);
+            
+            // if we just removed the flag, it was topmost when the focused changed, so it's still on top
+            // minimize it to make up for that
+            if (!appHasFocus && !isHidden)
+            {
+                SDL_HideWindow(sdlWindow);
+                state.showOnAppFocus = true;
+            }
+
+            // when regaining focus, check if we need to un-hide this window
+            if (appHasFocus && state.showOnAppFocus)
+            {
+                if (isHidden) {
+                    SDL_ShowWindow(sdlWindow);
+                }
+                state.showOnAppFocus = false;
+            }
+        }
+    }
+    
+    return true;
+}
+}
+
+template<typename TFunc>
+mijin::Task<> c_Window(const char* titleId, bool& open, const WindowOptions& options, TFunc renderFunc)
+{
+    impl::WindowState state;
+    if (!co_await impl::c_prepareOpenWindow(titleId, options, state)) {
+        co_return;
+    }
+
+    const ImGuiWindowFlags flags = (options.imguiFlags != kUnspecifiedWindowFlags) ? options.imguiFlags : kDefaultWindowFlags;
+    while (open)
+    {
+        if (ImGui::Begin(titleId, &open, flags)) {
+            std::invoke(renderFunc);
+        }
+        if (!impl::updateWindow(options, state)) {
+            open = false;
+        }
+        ImGui::End();
+        co_await mijin::c_suspend();
+    }
+}
+
+template<typename TFunc>
+mijin::Task<> c_Window(const char* titleId, bool& open, TFunc renderFunc)
+{
+    co_return co_await c_Window(titleId, open, WindowOptions{}, std::move(renderFunc));
+}
+
+template<typename TFunc>
+mijin::Task<> c_Window(const char* titleId, const WindowOptions& options, TFunc renderFunc)
+{
+    bool open = true;
+    co_return co_await c_Window(titleId, open, options, std::move(renderFunc));
+}
+
+template<typename TFunc>
+mijin::Task<> c_Window(const char* titleId, TFunc renderFunc)
+{
+    co_return co_await c_Window(titleId, WindowOptions{}, std::move(renderFunc));
+}
+
+template<typename TFunc>
+mijin::Task<> c_Popup(const char* titleId, const WindowOptions& options, TFunc renderFunc)
+{
+    impl::WindowState state;
+    if (!co_await impl::c_prepareOpenWindow(titleId, options, state)) {
+        co_return;
+    }
+
+    const ImGuiWindowFlags flags = (options.imguiFlags != kUnspecifiedWindowFlags) ? options.imguiFlags : kDefaultPopupFlags;
+    bool open = true;
+
+    ImGui::OpenPopup(titleId);
+    while (open && ImGui::BeginPopup(titleId, flags))
+    {
+        std::invoke(renderFunc);
+        if (!impl::updateWindow(options, state)) {
+            open = false;
+        }
         ImGui::EndPopup();
         co_await mijin::c_suspend();
     }
 }
 
+template<typename TFunc>
+mijin::Task<> c_Popup(const char* titleId, TFunc renderFunc)
+{
+    co_return co_await c_Popup(titleId, kDefaultPopupOptions, std::move(renderFunc));
+}
+
+template<typename TFunc>
+mijin::Task<> c_Dialog(const char* titleId, bool& open, const WindowOptions& options, TFunc renderFunc)
+{
+    impl::WindowState state;
+    if (!co_await impl::c_prepareOpenWindow(titleId, options, state)) {
+        co_return;
+    }
+
+    const ImGuiWindowFlags flags = (options.imguiFlags != kUnspecifiedWindowFlags) ? options.imguiFlags : kDefaultDialogFlags;
+
+    ImGui::OpenPopup(titleId);
+    while (open && ImGui::BeginPopupModal(titleId, &open, flags))
+    {
+        std::invoke(renderFunc);
+        if (!impl::updateWindow(options, state)) {
+            open = false;
+        }
+        ImGui::EndPopup();
+        co_await mijin::c_suspend();
+    }
+}
+
+template<typename TFunc>
+mijin::Task<> c_Dialog(const char* titleId, bool& open, TFunc renderFunc)
+{
+    co_return co_await c_Dialog(titleId, open, kDefaultPopupOptions, std::move(renderFunc));
+}
+
+template<typename TFunc>
+mijin::Task<> c_Dialog(const char* titleId, const WindowOptions& options, TFunc renderFunc)
+{
+    bool open = true;
+    co_return co_await c_Dialog(titleId, open, options, std::move(renderFunc));
+}
+
+template<typename TFunc>
+mijin::Task<> c_Dialog(const char* titleId, TFunc renderFunc)
+{
+    co_return co_await c_Dialog(titleId, WindowOptions{}, std::move(renderFunc));
+}
+
+template<typename TFunc>
+mijin::Task<> c_MessageBox(const char* titleId, const WindowOptions& options, TFunc renderFunc)
+{
+    co_return co_await c_Dialog(titleId, options, std::move(renderFunc));
+}
+
+template<typename TFunc>
+mijin::Task<> c_MessageBox(const char* titleId, TFunc renderFunc)
+{
+    return c_MessageBox(titleId, kDefaultMessageBoxOptions, std::move(renderFunc));
+}
+
 template<typename... TFormatArgs>
-mijin::Task<int> c_MessageBox(const char* titleId, std::span<const char*> buttons, std::format_string<TFormatArgs...> format, TFormatArgs&&... formatArgs)
+mijin::Task<int> c_MessageBox(const char* titleId, std::span<const char* const> buttons, const WindowOptions& options, std::format_string<TFormatArgs...> format, TFormatArgs&&... formatArgs)
 {
     const std::string message = std::format(format, std::forward<TFormatArgs>(formatArgs)...);
     int buttonIdx = -1;
@@ -261,8 +741,8 @@ mijin::Task<int> c_MessageBox(const char* titleId, std::span<const char*> button
     }
     buttonsWidth += static_cast<float>(buttons.size()) * 2.f * style.FramePadding.x;;
     buttonsWidth += static_cast<float>(buttons.size() - 1) * style.ItemSpacing.x;
-    
+
-    co_await c_MessageBox(titleId, [&]()
+    co_await c_MessageBox(titleId, options, [&]()
     {
         ImGui::TextUnformatted(message.c_str());
 
@@ -283,6 +763,12 @@ mijin::Task<int> c_MessageBox(const char* titleId, std::span<const char*> button
     co_return buttonIdx;
 }
 
+template<typename... TFormatArgs>
+mijin::Task<int> c_MessageBox(const char* titleId, std::span<const char* const> buttons, std::format_string<TFormatArgs...> format, TFormatArgs&&... formatArgs)
+{
+    return c_MessageBox(titleId, buttons, kDefaultMessageBoxOptions, format, std::forward<TFormatArgs>(formatArgs)...);
+}
+
 struct YesNo
 {
     enum Value
@@ -305,10 +791,10 @@ struct YesNo
 };
 
 template<YesNo::Value DefaultResult = YesNo::NO, typename... TFormatArgs>
-mijin::Task<YesNo> c_MessageBoxYesNo(const char* titleId, std::format_string<TFormatArgs...> format, TFormatArgs&&... formatArgs)
+mijin::Task<YesNo> c_MessageBoxYesNo(const char* titleId, const WindowOptions& options, std::format_string<TFormatArgs...> format, TFormatArgs&&... formatArgs)
 {
-    static std::array<const char*, 2> BUTTONS = {"Yes", "No"};
+    static const std::array<const char*, 2> BUTTONS = {"Yes", "No"};
-    const int idx = co_await c_MessageBox(titleId, BUTTONS, format, std::forward<TFormatArgs>(formatArgs)...);
+    const int idx = co_await c_MessageBox(titleId, BUTTONS, options, format, std::forward<TFormatArgs>(formatArgs)...);
     switch (idx)
     {
     case 0:
@@ -319,6 +805,37 @@ mijin::Task<YesNo> c_MessageBoxYesNo(const char* titleId, std::format_string<TFo
         co_return DefaultResult;
     }
 }
+
+template<YesNo::Value DefaultResult = YesNo::NO, typename... TFormatArgs>
+mijin::Task<YesNo> c_MessageBoxYesNo(const char* titleId, std::format_string<TFormatArgs...> format, TFormatArgs&&... formatArgs)
+{
+    return c_MessageBoxYesNo(titleId, kDefaultMessageBoxOptions, format, std::forward<TFormatArgs>(formatArgs)...);
+}
+
+template<typename... TFormatArgs>
+mijin::Task<> c_MessageBoxText(const char* titleId, const WindowOptions& options, std::format_string<TFormatArgs...> format, TFormatArgs&&... formatArgs)
+{
+    static const char* const BUTTON_TEXT = "OK";
+    co_await c_MessageBox(titleId, {&BUTTON_TEXT, 1}, options, format, std::forward<TFormatArgs>(formatArgs)...);
+}
+
+template<typename... TFormatArgs>
+mijin::Task<> c_MessageBoxText(const char* titleId, std::format_string<TFormatArgs...> format, TFormatArgs&&... formatArgs)
+{
+    return c_MessageBoxText(titleId, kDefaultMessageBoxOptions, format, std::forward<TFormatArgs>(formatArgs)...);
+}
+
+template<std::integral T>
+void InputScalar(const char* label, T* value, T step = T(0), T stepFast = T(100), ImGuiInputTextFlags flags = 0)
+{
+    ImGui::InputScalar(label, raid::kImGuiDataType<T>, value, &step, &stepFast, /* format = */ nullptr, flags);
+}
+
+template<std::floating_point T>
+void InputScalar(const char* label, T* value, T step = T(0), T stepFast = T(0), const char* format = "%.3f", ImGuiInputTextFlags flags = 0)
+{
+    ImGui::InputScalar(label, raid::kImGuiDataType<T>, value, &step, &stepFast, format, flags);
+}
 } // namespace ImRaid
 
 #endif // !defined(RAID_PUBLIC_RAID_IMRAID_HPP_INCLUDED)

public/raid/imutil.hpp

@@ -0,0 +1,57 @@
+
+#pragma once
+
+#if !defined(RAID_PUBLIC_RAID_IMUTIL_HPP_INCLUDED)
+#define RAID_PUBLIC_RAID_IMUTIL_HPP_INCLUDED 1
+
+#include <cstdint>
+#include <format>
+#include <string>
+#include <imgui.h>
+
+namespace raid
+{
+
+namespace impl
+{
+template<std::size_t I>
+inline std::string gFormatBuffer;
+
+template<typename T>
+struct imgui_data_type;
+
+template<> struct imgui_data_type<std::int8_t> : std::integral_constant<ImGuiDataType, ImGuiDataType_S8> {};
+template<> struct imgui_data_type<std::uint8_t> : std::integral_constant<ImGuiDataType, ImGuiDataType_U8> {};
+template<> struct imgui_data_type<std::int16_t> : std::integral_constant<ImGuiDataType, ImGuiDataType_S16> {};
+template<> struct imgui_data_type<std::uint16_t> : std::integral_constant<ImGuiDataType, ImGuiDataType_U16> {};
+template<> struct imgui_data_type<std::int32_t> : std::integral_constant<ImGuiDataType, ImGuiDataType_S32> {};
+template<> struct imgui_data_type<std::uint32_t> : std::integral_constant<ImGuiDataType, ImGuiDataType_U32> {};
+template<> struct imgui_data_type<std::int64_t> : std::integral_constant<ImGuiDataType, ImGuiDataType_S64> {};
+template<> struct imgui_data_type<std::uint64_t> : std::integral_constant<ImGuiDataType, ImGuiDataType_U64> {};
+template<> struct imgui_data_type<float> : std::integral_constant<ImGuiDataType, ImGuiDataType_Float> {};
+template<> struct imgui_data_type<double> : std::integral_constant<ImGuiDataType, ImGuiDataType_Double> {};
+template<> struct imgui_data_type<bool> : std::integral_constant<ImGuiDataType, ImGuiDataType_Bool> {};
+template<> struct imgui_data_type<const char*> : std::integral_constant<ImGuiDataType, ImGuiDataType_String> {};
+}
+
+template<typename... TArgs>
+[[nodiscard]]
+const char* formatTemp(std::string& formatBuffer, std::format_string<TArgs...> fmt, TArgs&&... args)
+{
+    formatBuffer.clear();
+    std::format_to(std::back_inserter(formatBuffer), fmt, std::forward<TArgs>(args)...);
+    return formatBuffer.c_str();
+}
+
+template<std::size_t I = 0, typename... TArgs>
+[[nodiscard]]
+const char* formatTemp(std::format_string<TArgs...> fmt, TArgs&&... args)
+{
+    return formatTemp(impl::gFormatBuffer<I>, fmt, std::forward<TArgs>(args)...);
+}
+
+template<typename T>
+inline constexpr ImGuiDataType kImGuiDataType = impl::imgui_data_type<T>::value;
+}
+
+#endif

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;