docked mode

AsuroTool/ApplicationData.h

@@ -39,8 +39,10 @@ public:
 
 class ApplicationSettings {
 public:
+	bool docked = false;
 	bool showDisabledDevices = false;
 	bool fitWindowHeight = true;
+	bool minimizeToTray = true;
 };
 
 class ApplicationData {

AsuroTool/AsuroTool.cpp

@@ -3,26 +3,65 @@
 #pragma comment(linker, "/SUBSYSTEM:windows /ENTRY:mainCRTStartup")
 #endif
 
+// we need commctrl v6 for LoadIconMetric()
+// see https://github.com/microsoft/Windows-classic-samples/blob/main/Samples/Win7Samples/winui/shell/appshellintegration/NotificationIcon/NotificationIcon.cpp
+#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
+#pragma comment(lib, "comctl32.lib")
+
 #include <windows.h>
 
 #include <iostream>
 #include <sstream>
+#include <shellapi.h>
+#include <commctrl.h>
+#include <strsafe.h>
 
 #include "Util.h"
 #include "AudioApi.h"
 #include "resource.h"
 #include "AsuroTool.h"
 
+class __declspec(uuid("3bc52579-15fd-43bb-9686-6273c238535e")) TrayGUID;
+
+UINT const WMAPP_NOTIFYCALLBACK = WM_APP + 1;
+UINT const WMAPP_HIDEFLYOUT = WM_APP + 2;
+
+DrawData* hackyDrawData;
+ApplicationData* hackyAppData;
+
 int main()
 {
 	ApplicationData applicationData{};
 
-	startImgui(&applicationData, init, draw, "Asuro's Tool", 600, 400);
+	startImgui<ApplicationData>(applicationData, init, draw, cleanup, "Asuro's Tool", 600, 400);
 }
 
-void init(DrawData& drawData, void* customData)
+LRESULT CALLBACK trayIconEventHandler(int code, WPARAM wParam, LPARAM lParam)
 {
-	ApplicationData* appData = static_cast<ApplicationData*>(customData);
+	if (code >= 0)
+	{
+		CWPSTRUCT* data = (CWPSTRUCT*)lParam;
+
+		if (data->message == WMAPP_NOTIFYCALLBACK)
+		{
+			switch (data->lParam)
+			{
+			case NIN_SELECT:
+				glfwShowWindow(hackyDrawData->window);
+				glfwRestoreWindow(hackyDrawData->window);
+				break;
+			}
+		}
+	}
+
+	return CallNextHookEx(NULL, code, wParam, lParam);
+}
+
+void init(DrawData& drawData, ApplicationData& appData)
+{
+	// sad :(
+	hackyDrawData = &drawData;
+	hackyAppData = &appData;
 
 	// Load text font
 	ImGuiIO& io = ImGui::GetIO();
@@ -40,53 +79,101 @@ void init(DrawData& drawData, void* customData)
 	audioResult = CoInitializeEx(NULL, COINIT_MULTITHREADED);
 	isError(audioResult, "Failed to initialize COM: ");
 
-	audioResult = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&appData->audioData->deviceEnumerator));
+	audioResult = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&appData.audioData->deviceEnumerator));
 	isError(audioResult, "Failed to set up audio device enumerator: ");
 
-	appData->audioData->audioNotificationListener = new AudioNotificationListener(appData->audioData);
+	appData.audioData->audioNotificationListener = new AudioNotificationListener(appData.audioData);
-	audioResult = appData->audioData->deviceEnumerator->RegisterEndpointNotificationCallback(appData->audioData->audioNotificationListener);
+	audioResult = appData.audioData->deviceEnumerator->RegisterEndpointNotificationCallback(appData.audioData->audioNotificationListener);
 	isError(audioResult, "Failed to register audio notification listener: ");
 
-	reloadDeviceLists(*appData->audioData);
+	reloadDeviceLists(*appData.audioData);
 
 	// Set window icon
+	HINSTANCE instance = GetModuleHandle(NULL);
 	LPWSTR iconId = MAKEINTRESOURCE(IDI_ICON1);
-	HANDLE iconLarge = LoadImageW(GetModuleHandle(NULL), iconId, IMAGE_ICON, 64, 64, 0);
+	HANDLE iconLarge = LoadImageW(instance, iconId, IMAGE_ICON, 64, 64, 0);
-	HANDLE iconSmall = LoadImageW(GetModuleHandle(NULL), iconId, IMAGE_ICON, 32, 32, 0);
+	HANDLE iconSmall = LoadImageW(instance, iconId, IMAGE_ICON, 32, 32, 0);
 	SendMessage(drawData.window_handle, WM_SETICON, ICON_BIG, (LPARAM)iconLarge);
 	SendMessage(drawData.window_handle, WM_SETICON, ICON_SMALL, (LPARAM)iconSmall);
 	SendMessage(drawData.window_handle, WM_SETICON, ICON_SMALL2, (LPARAM)iconSmall);
+
+	// Set tray icon
+	NOTIFYICONDATA nid = { sizeof(nid) };
+	nid.hWnd = drawData.window_handle;
+	nid.uFlags = NIF_ICON | NIF_TIP | NIF_MESSAGE | NIF_SHOWTIP | NIF_GUID;
+	nid.guidItem = __uuidof(TrayGUID);
+	nid.uCallbackMessage = WMAPP_NOTIFYCALLBACK;
+
+	HRESULT iconResult;
+	iconResult = LoadIconMetric(instance, iconId, LIM_SMALL, &nid.hIcon);
+	isError(iconResult, "Failed to load tray icon image: ");
+
+	iconResult = LoadString(instance, IDS_STRING_TOOLTIP, nid.szTip, ARRAYSIZE(nid.szTip));
+	isError(iconResult, "Failed to load tray icon text: ");
+
+	Shell_NotifyIcon(NIM_ADD, &nid);
+
+	nid.uVersion = NOTIFYICON_VERSION_4;
+	Shell_NotifyIcon(NIM_SETVERSION, &nid);
+
+	if (!SetWindowsHookEx(WH_CALLWNDPROC, trayIconEventHandler, instance, GetCurrentThreadId()))
+	{
+		std::cout << "Failed to hook tray icon events: " << std::hex << GetLastError() << std::endl;
+	}
+
+	// Set window minimize behavior
+	glfwSetWindowIconifyCallback(drawData.window, [](GLFWwindow* window, int isIconified) {
+		if (isIconified == GLFW_TRUE && hackyAppData->settings.minimizeToTray)
+		{
+			glfwHideWindow(window);
+		}
+	});
 }
 
-void draw(DrawData& drawData, void* customData)
+void draw(DrawData& drawData, ApplicationData& appData)
 {
-	ApplicationData* appData = static_cast<ApplicationData*>(customData);
 	float customYCursor = 0;
 	ImVec2 viewportSize = ImGui::GetMainViewport()->Size;
 
 	// Menu Bar
-	customYCursor += menuBar(appData).y;
+	customYCursor += menuBar(drawData, appData).y;
 
 	// Playback Devices
 	ImGui::SetNextWindowPos(ImVec2(0, customYCursor));
 	ImGui::SetNextWindowSize(ImVec2(viewportSize.x, 0));
-	customYCursor += audioDeviceWindow(appData, appData->audioData->playbackDevices, " \xEE\xB8\x84 Playback").y;
+	customYCursor += audioDeviceWindow(appData, appData.audioData->playbackDevices, " \xEE\xB8\x84 Playback").y;
 
 	customYCursor += 5.;
 
 	// Recording devices
 	ImGui::SetNextWindowPos(ImVec2(0, customYCursor));
 	ImGui::SetNextWindowSize(ImVec2(viewportSize.x, 0));
-	customYCursor += audioDeviceWindow(appData, appData->audioData->recordingDevices, " \xEE\xBD\x8F Recording").y;
+	customYCursor += audioDeviceWindow(appData, appData.audioData->recordingDevices, " \xEE\xBD\x8F Recording").y;
 
 	// Resize viewport
-	if (appData->settings.fitWindowHeight)
+	if (appData.settings.fitWindowHeight)
 	{
 		drawData.window_size.y = customYCursor;
 	}
+
+	if (appData.settings.docked)
+	{
+		int monitorX, monitorY, monitorW, monitorH;
+		glfwGetMonitorWorkarea(glfwGetPrimaryMonitor(), &monitorX, &monitorY, &monitorW, &monitorH);
+		glfwSetWindowPos(drawData.window, monitorX + monitorW - drawData.window_size.x, monitorY + monitorH - drawData.window_size.y);
+	}
 }
 
-ImVec2 menuBar(ApplicationData* appData)
+void cleanup(DrawData& drawData, ApplicationData& appData)
+{
+	// Remove tray icon
+	NOTIFYICONDATA nid = { sizeof(nid) };
+	nid.uFlags = NIF_GUID;
+	nid.guidItem = __uuidof(TrayGUID);
+	bool test = Shell_NotifyIcon(NIM_DELETE, &nid);
+}
+
+ImVec2 menuBar(DrawData& drawData, ApplicationData& appData)
 {
 	ImVec2 size{};
 
@@ -94,8 +181,16 @@ ImVec2 menuBar(ApplicationData* appData)
 	{
 		if (ImGui::BeginMenu("Settings"))
 		{
-			ImGui::Checkbox("Show Disabled Devices", &appData->settings.showDisabledDevices);
+			bool prevDocked = appData.settings.docked;
-			ImGui::Checkbox("Fit Window Height", &appData->settings.fitWindowHeight);
+			ImGui::Checkbox("Docked", &appData.settings.docked);
+			if (appData.settings.docked != prevDocked)
+			{
+				glfwSetWindowAttrib(drawData.window, GLFW_DECORATED, !appData.settings.docked);
+			}
+
+			ImGui::Checkbox("Show Disabled Devices", &appData.settings.showDisabledDevices);
+			ImGui::Checkbox("Fit Window Height", &appData.settings.fitWindowHeight);
+			ImGui::Checkbox("Minimize To Tray", &appData.settings.minimizeToTray);
 			ImGui::EndMenu();
 		}
 
@@ -103,10 +198,27 @@ ImVec2 menuBar(ApplicationData* appData)
 		{
 			if (ImGui::Button("Manual Refresh"))
 			{
-				reloadDeviceLists(*appData->audioData);
+				reloadDeviceLists(*appData.audioData);
 			}
 			ImGui::EndMenu();
 		}
+
+		if (appData.settings.docked)
+		{
+			ImVec2 availableSpace = ImGui::GetContentRegionAvail();
+			ImVec2 cursorPos = ImGui::GetCursorPos();
+			ImGui::SetCursorPosX(cursorPos.x + availableSpace.x - 33.);
+
+			if (ImGui::SmallButton("-"))
+			{
+				glfwIconifyWindow(drawData.window);
+			}
+			if (ImGui::SmallButton("x"))
+			{
+				glfwSetWindowShouldClose(drawData.window, GLFW_TRUE);
+			}
+		}
+
 		size = ImGui::GetWindowSize();
 		ImGui::EndMainMenuBar();
 	}
@@ -134,7 +246,7 @@ bool customButton(const char* id_start, const char* id_end, const char* title, b
 	return result;
 }
 
-ImVec2 audioDeviceWindow(ApplicationData* appData, std::vector<AudioDevice>& deviceList, const char* title)
+ImVec2 audioDeviceWindow(ApplicationData& appData, std::vector<AudioDevice>& deviceList, const char* title)
 {
 	if (ImGui::Begin(title, 0, ImGuiWindowFlags_NoResize))
 	{
@@ -153,7 +265,7 @@ ImVec2 audioDeviceWindow(ApplicationData* appData, std::vector<AudioDevice>& dev
 				{
 					ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1., 1., 1., 1.));
 				}
-				else if (!appData->settings.showDisabledDevices)
+				else if (!appData.settings.showDisabledDevices)
 				{
 					continue;
 				}
@@ -172,18 +284,33 @@ ImVec2 audioDeviceWindow(ApplicationData* appData, std::vector<AudioDevice>& dev
 				ImGui::TableNextColumn();
 				if (dev.state == DEVICE_STATE_ACTIVE)
 				{
-
+					// Log scale because it looks better (no actual reason for these exact numbers)
-
+					float meterValue = log10f(getMeterValue(dev.meterInterface) * 9. + 1.);
-					float volume = log10f(getMeterValue(dev.meterInterface) * 9. + 1.);
 
 					auto drawList = ImGui::GetWindowDrawList();
 					ImVec2 windowPos = ImGui::GetWindowPos();
 					ImVec2 cursorPos = ImGui::GetCursorScreenPos();
 					ImVec2 space = ImGui::GetContentRegionAvail();
-					float lineY = cursorPos.y + ImGui::GetTextLineHeight() / 2.;
+					float lineY = cursorPos.y + ImGui::GetTextLineHeight() / 2. + 2.;
 					
-					drawList->AddLine(ImVec2(cursorPos.x, lineY), ImVec2(cursorPos.x + space.x, lineY), IM_COL32(120, 120, 120, 255), 2.);
+					const float linePaddingX = 3.;
-					drawList->AddLine(ImVec2(cursorPos.x, lineY), ImVec2(cursorPos.x + space.x * volume, lineY), IM_COL32(200, 200, 255, 255), 3.);
+					cursorPos.x += linePaddingX;
+
+					drawList->AddLine(ImVec2(cursorPos.x, lineY), ImVec2(cursorPos.x + (space.x - 2. * linePaddingX)             , lineY), IM_COL32(120, 120, 120, 255), 2.);
+					drawList->AddLine(ImVec2(cursorPos.x, lineY), ImVec2(cursorPos.x + (space.x - 2. * linePaddingX) * meterValue, lineY), IM_COL32(200, 200, 255, 255), 3.);
+
+					float volume = getVolume(dev.volumeInterface);
+					float prevVolume = volume;
+					ImGui::SetNextItemWidth(space.x);
+					ImGui::PushID(dev.device);
+					ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0, 0, 0, 0));
+					ImGui::SliderFloat("", &volume, 0., 1., "", ImGuiSliderFlags_NoRoundToFormat | ImGuiSliderFlags_AlwaysClamp);
+					ImGui::PopStyleColor();
+					ImGui::PopID();
+					if (prevVolume != volume)
+					{
+						setVolume(dev.volumeInterface, volume);
+					}
 				}
 
 				// Defaults
@@ -196,7 +323,7 @@ ImVec2 audioDeviceWindow(ApplicationData* appData, std::vector<AudioDevice>& dev
 					}
 					if (customButton("bn_d_", deviceIdUtf8.c_str(), "\xEE\xBE\x82", !dev.isDefaultConsole))
 					{
-						setDefaultAudioDevice(*appData->audioData, dev.id.c_str(), ERole::eConsole);
+						setDefaultAudioDevice(*appData.audioData, dev.id.c_str(), ERole::eConsole);
 					}
 
 					ImGui::SameLine();
@@ -206,7 +333,7 @@ ImVec2 audioDeviceWindow(ApplicationData* appData, std::vector<AudioDevice>& dev
 					}
 					if (customButton("bn_c_", deviceIdUtf8.c_str(), "\xEE\xBF\xA9", !dev.isDefaultCommunication))
 					{
-						setDefaultAudioDevice(*appData->audioData, dev.id.c_str(), ERole::eCommunications);
+						setDefaultAudioDevice(*appData.audioData, dev.id.c_str(), ERole::eCommunications);
 					}
 				}
 

AsuroTool/AsuroTool.h

@@ -5,8 +5,9 @@
 #include "ImguiBase.h"
 #include "ApplicationData.h"
 
-void init(DrawData& drawData, void* customData);
+void init(DrawData& drawData, ApplicationData& customData);
-void draw(DrawData& drawData, void* customData);
+void draw(DrawData& drawData, ApplicationData& customData);
-ImVec2 menuBar(ApplicationData* appData);
+void cleanup(DrawData& drawData, ApplicationData& appData);
-ImVec2 audioDeviceWindow(ApplicationData* appData, std::vector<AudioDevice>& deviceList, const char* title);
+ImVec2 menuBar(DrawData& drawData, ApplicationData& appData);
+ImVec2 audioDeviceWindow(ApplicationData& appData, std::vector<AudioDevice>& deviceList, const char* title);
 void drawCircle(float radius, ImU32 color);

AsuroTool/AsuroTool.rc

@@ -64,6 +64,17 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_UK
 // remains consistent on all systems.
 IDI_ICON1               ICON                    "kaiju.ico"
 
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// String Table
+//
+
+STRINGTABLE
+BEGIN
+    IDS_STRING_TOOLTIP      "uwu"
+END
+
 #endif    // English (United Kingdom) resources
 /////////////////////////////////////////////////////////////////////////////
 

AsuroTool/AudioApi.cpp

@@ -149,7 +149,7 @@ void reloadDeviceLists(AudioData& audioData)
 float getVolume(IAudioEndpointVolume* volumeInterface)
 {
 	float volume;
-	if (FAILED(volumeInterface->GetChannelVolumeLevel(0, &volume)))
+	if (FAILED(volumeInterface->GetMasterVolumeLevelScalar(&volume)))
 	{
 		volume = 0.;
 	}
@@ -157,6 +157,12 @@ float getVolume(IAudioEndpointVolume* volumeInterface)
 	return volume;
 }
 
+void setVolume(IAudioEndpointVolume* volumeInterface, float newVolume)
+{
+	HRESULT hr = volumeInterface->SetMasterVolumeLevelScalar(newVolume, NULL);
+	isError(hr, "Failed to set volume level: ");
+}
+
 float getMeterValue(IAudioMeterInformation* meterInterface)
 {
 	float volume;

AsuroTool/AudioApi.h

@@ -10,4 +10,5 @@ void setDefaultAudioDevice(AudioData& audioData, const wchar_t* deviceId, ERole
 void loadAudioDevices(AudioData& audioData, std::vector<AudioDevice>& deviceList, EDataFlow deviceType);
 void reloadDeviceLists(AudioData& audioData);
 float getVolume(IAudioEndpointVolume* volumeInterface);
+void setVolume(IAudioEndpointVolume* volumeInterface, float newVolume);
 float getMeterValue(IAudioMeterInformation* meterInterface);

AsuroTool/resource.h

@@ -3,12 +3,14 @@
 // Used by AsuroTool.rc
 //
 #define IDI_ICON1                       109
+#define IDS_STRING112                   112
+#define IDS_STRING_TOOLTIP              112
 
 // Next default values for new objects
 // 
 #ifdef APSTUDIO_INVOKED
 #ifndef APSTUDIO_READONLY_SYMBOLS
-#define _APS_NEXT_RESOURCE_VALUE        112
+#define _APS_NEXT_RESOURCE_VALUE        113
 #define _APS_NEXT_COMMAND_VALUE         40001
 #define _APS_NEXT_CONTROL_VALUE         1001
 #define _APS_NEXT_SYMED_VALUE           101

ImguiBase/ImguiBase.cpp

@@ -1,522 +0,0 @@
-#include "imgui.h"
-#include "imgui_impl_glfw.h"
-#include "imgui_impl_vulkan.h"
-#include "ImguiBase.h"
-#include <iostream>
-#define GLFW_INCLUDE_NONE
-#define GLFW_INCLUDE_VULKAN
-#define GLFW_EXPOSE_NATIVE_WIN32
-#include <GLFW/glfw3.h>
-#include <GLFW/glfw3native.h>
-#include <vulkan/vulkan.h>
-
-static VkAllocationCallbacks* g_Allocator = NULL;
-static VkInstance               g_Instance = VK_NULL_HANDLE;
-static VkPhysicalDevice         g_PhysicalDevice = VK_NULL_HANDLE;
-static VkDevice                 g_Device = VK_NULL_HANDLE;
-static uint32_t                 g_QueueFamily = (uint32_t)-1;
-static VkQueue                  g_Queue = VK_NULL_HANDLE;
-static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE;
-static VkPipelineCache          g_PipelineCache = VK_NULL_HANDLE;
-static VkDescriptorPool         g_DescriptorPool = VK_NULL_HANDLE;
-
-static ImGui_ImplVulkanH_Window g_MainWindowData;
-static int                      g_MinImageCount = 2;
-static bool                     g_SwapChainRebuild = false;
-
-static void check_vk_result(VkResult err)
-{
-    if (err == 0)
-        return;
-    fprintf(stderr, "[vulkan] Error: VkResult = %d\n", err);
-    if (err < 0)
-        abort();
-}
-
-#ifdef IMGUI_VULKAN_DEBUG_REPORT
-static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData)
-{
-    (void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguments
-    fprintf(stderr, "[vulkan] Debug report from ObjectType: %i\nMessage: %s\n\n", objectType, pMessage);
-    return VK_FALSE;
-}
-#endif // IMGUI_VULKAN_DEBUG_REPORT
-
-static void SetupVulkan(const char** extensions, uint32_t extensions_count)
-{
-    VkResult err;
-
-    // Create Vulkan Instance
-    {
-        VkInstanceCreateInfo create_info = {};
-        create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
-        create_info.enabledExtensionCount = extensions_count;
-        create_info.ppEnabledExtensionNames = extensions;
-#ifdef IMGUI_VULKAN_DEBUG_REPORT
-        // Enabling validation layers
-        const char* layers[] = { "VK_LAYER_KHRONOS_validation" };
-        create_info.enabledLayerCount = 1;
-        create_info.ppEnabledLayerNames = layers;
-
-        // Enable debug report extension (we need additional storage, so we duplicate the user array to add our new extension to it)
-        const char** extensions_ext = (const char**)malloc(sizeof(const char*) * (extensions_count + 1));
-        memcpy(extensions_ext, extensions, extensions_count * sizeof(const char*));
-        extensions_ext[extensions_count] = "VK_EXT_debug_report";
-        create_info.enabledExtensionCount = extensions_count + 1;
-        create_info.ppEnabledExtensionNames = extensions_ext;
-
-        // Create Vulkan Instance
-        err = vkCreateInstance(&create_info, g_Allocator, &g_Instance);
-        check_vk_result(err);
-        free(extensions_ext);
-
-        // Get the function pointer (required for any extensions)
-        auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT");
-        IM_ASSERT(vkCreateDebugReportCallbackEXT != NULL);
-
-        // Setup the debug report callback
-        VkDebugReportCallbackCreateInfoEXT debug_report_ci = {};
-        debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
-        debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
-        debug_report_ci.pfnCallback = debug_report;
-        debug_report_ci.pUserData = NULL;
-        err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport);
-        check_vk_result(err);
-#else
-        // Create Vulkan Instance without any debug feature
-        err = vkCreateInstance(&create_info, g_Allocator, &g_Instance);
-        check_vk_result(err);
-        IM_UNUSED(g_DebugReport);
-#endif
-    }
-
-    // Select GPU
-    {
-        uint32_t gpu_count;
-        err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, NULL);
-        check_vk_result(err);
-        IM_ASSERT(gpu_count > 0);
-
-        VkPhysicalDevice* gpus = (VkPhysicalDevice*)malloc(sizeof(VkPhysicalDevice) * gpu_count);
-        err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus);
-        check_vk_result(err);
-
-        // If a number >1 of GPUs got reported, find discrete GPU if present, or use first one available. This covers
-        // most common cases (multi-gpu/integrated+dedicated graphics). Handling more complicated setups (multiple
-        // dedicated GPUs) is out of scope of this sample.
-        int use_gpu = 0;
-        for (int i = 0; i < (int)gpu_count; i++)
-        {
-            VkPhysicalDeviceProperties properties;
-            vkGetPhysicalDeviceProperties(gpus[i], &properties);
-            if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
-            {
-                use_gpu = i;
-                break;
-            }
-        }
-
-        g_PhysicalDevice = gpus[use_gpu];
-        free(gpus);
-    }
-
-    // Select graphics queue family
-    {
-        uint32_t count;
-        vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, NULL);
-        VkQueueFamilyProperties* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count);
-        vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, queues);
-        for (uint32_t i = 0; i < count; i++)
-            if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
-            {
-                g_QueueFamily = i;
-                break;
-            }
-        free(queues);
-        IM_ASSERT(g_QueueFamily != (uint32_t)-1);
-    }
-
-    // Create Logical Device (with 1 queue)
-    {
-        int device_extension_count = 1;
-        const char* device_extensions[] = { "VK_KHR_swapchain" };
-        const float queue_priority[] = { 1.0f };
-        VkDeviceQueueCreateInfo queue_info[1] = {};
-        queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
-        queue_info[0].queueFamilyIndex = g_QueueFamily;
-        queue_info[0].queueCount = 1;
-        queue_info[0].pQueuePriorities = queue_priority;
-        VkDeviceCreateInfo create_info = {};
-        create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
-        create_info.queueCreateInfoCount = sizeof(queue_info) / sizeof(queue_info[0]);
-        create_info.pQueueCreateInfos = queue_info;
-        create_info.enabledExtensionCount = device_extension_count;
-        create_info.ppEnabledExtensionNames = device_extensions;
-        err = vkCreateDevice(g_PhysicalDevice, &create_info, g_Allocator, &g_Device);
-        check_vk_result(err);
-        vkGetDeviceQueue(g_Device, g_QueueFamily, 0, &g_Queue);
-    }
-
-    // Create Descriptor Pool
-    {
-        VkDescriptorPoolSize pool_sizes[] =
-        {
-            { VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
-            { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
-            { VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 },
-            { VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 },
-            { VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 },
-            { VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 },
-            { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 },
-            { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 },
-            { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 },
-            { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 },
-            { VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 }
-        };
-        VkDescriptorPoolCreateInfo pool_info = {};
-        pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
-        pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
-        pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes);
-        pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
-        pool_info.pPoolSizes = pool_sizes;
-        err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool);
-        check_vk_result(err);
-    }
-}
-
-// All the ImGui_ImplVulkanH_XXX structures/functions are optional helpers used by the demo.
-// Your real engine/app may not use them.
-static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height)
-{
-    wd->Surface = surface;
-
-    // Check for WSI support
-    VkBool32 res;
-    vkGetPhysicalDeviceSurfaceSupportKHR(g_PhysicalDevice, g_QueueFamily, wd->Surface, &res);
-    if (res != VK_TRUE)
-    {
-        fprintf(stderr, "Error no WSI support on physical device 0\n");
-        exit(-1);
-    }
-
-    // Select Surface Format
-    const VkFormat requestSurfaceImageFormat[] = { VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM };
-    const VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
-    wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(g_PhysicalDevice, wd->Surface, requestSurfaceImageFormat, (size_t)IM_ARRAYSIZE(requestSurfaceImageFormat), requestSurfaceColorSpace);
-
-    // Select Present Mode
-#ifdef IMGUI_UNLIMITED_FRAME_RATE
-    VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR };
-#else
-    VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_FIFO_KHR };
-#endif
-    wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_modes[0], IM_ARRAYSIZE(present_modes));
-    //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode);
-
-    // Create SwapChain, RenderPass, Framebuffer, etc.
-    IM_ASSERT(g_MinImageCount >= 2);
-    ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount);
-}
-
-static void CleanupVulkan()
-{
-    vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator);
-
-#ifdef IMGUI_VULKAN_DEBUG_REPORT
-    // Remove the debug report callback
-    auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
-    vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator);
-#endif // IMGUI_VULKAN_DEBUG_REPORT
-
-    vkDestroyDevice(g_Device, g_Allocator);
-    vkDestroyInstance(g_Instance, g_Allocator);
-}
-
-static void CleanupVulkanWindow()
-{
-    ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, &g_MainWindowData, g_Allocator);
-}
-
-static void FrameRender(ImGui_ImplVulkanH_Window* wd, ImDrawData* draw_data)
-{
-    VkResult err;
-
-    VkSemaphore image_acquired_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].ImageAcquiredSemaphore;
-    VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore;
-    err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex);
-    if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
-    {
-        g_SwapChainRebuild = true;
-        return;
-    }
-    check_vk_result(err);
-
-    ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex];
-    {
-        err = vkWaitForFences(g_Device, 1, &fd->Fence, VK_TRUE, UINT64_MAX);    // wait indefinitely instead of periodically checking
-        check_vk_result(err);
-
-        err = vkResetFences(g_Device, 1, &fd->Fence);
-        check_vk_result(err);
-    }
-    {
-        err = vkResetCommandPool(g_Device, fd->CommandPool, 0);
-        check_vk_result(err);
-        VkCommandBufferBeginInfo info = {};
-        info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-        info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
-        err = vkBeginCommandBuffer(fd->CommandBuffer, &info);
-        check_vk_result(err);
-    }
-    {
-        VkRenderPassBeginInfo info = {};
-        info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
-        info.renderPass = wd->RenderPass;
-        info.framebuffer = fd->Framebuffer;
-        info.renderArea.extent.width = wd->Width;
-        info.renderArea.extent.height = wd->Height;
-        info.clearValueCount = 1;
-        info.pClearValues = &wd->ClearValue;
-        vkCmdBeginRenderPass(fd->CommandBuffer, &info, VK_SUBPASS_CONTENTS_INLINE);
-    }
-
-    // Record dear imgui primitives into command buffer
-    ImGui_ImplVulkan_RenderDrawData(draw_data, fd->CommandBuffer);
-
-    // Submit command buffer
-    vkCmdEndRenderPass(fd->CommandBuffer);
-    {
-        VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
-        VkSubmitInfo info = {};
-        info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
-        info.waitSemaphoreCount = 1;
-        info.pWaitSemaphores = &image_acquired_semaphore;
-        info.pWaitDstStageMask = &wait_stage;
-        info.commandBufferCount = 1;
-        info.pCommandBuffers = &fd->CommandBuffer;
-        info.signalSemaphoreCount = 1;
-        info.pSignalSemaphores = &render_complete_semaphore;
-
-        err = vkEndCommandBuffer(fd->CommandBuffer);
-        check_vk_result(err);
-        err = vkQueueSubmit(g_Queue, 1, &info, fd->Fence);
-        check_vk_result(err);
-    }
-}
-
-static void FramePresent(ImGui_ImplVulkanH_Window* wd)
-{
-    if (g_SwapChainRebuild)
-        return;
-    VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore;
-    VkPresentInfoKHR info = {};
-    info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
-    info.waitSemaphoreCount = 1;
-    info.pWaitSemaphores = &render_complete_semaphore;
-    info.swapchainCount = 1;
-    info.pSwapchains = &wd->Swapchain;
-    info.pImageIndices = &wd->FrameIndex;
-    VkResult err = vkQueuePresentKHR(g_Queue, &info);
-    if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
-    {
-        g_SwapChainRebuild = true;
-        return;
-    }
-    check_vk_result(err);
-    wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores
-}
-
-static void glfw_error_callback(int error, const char* description)
-{
-    fprintf(stderr, "Glfw Error %d: %s\n", error, description);
-}
-
-int startImgui(void* customState, void (*const initFunc)(DrawData&, void*), void (*const drawFunc)(DrawData&, void*), const char* title, int windowWidth, int windowHeight)
-{
-    // Setup GLFW window
-    glfwSetErrorCallback(glfw_error_callback);
-    if (!glfwInit())
-        return 1;
-
-    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
-    GLFWwindow* window = glfwCreateWindow(windowWidth, windowHeight, title, NULL, NULL);
-
-    // Setup Vulkan
-    if (!glfwVulkanSupported())
-    {
-        printf("GLFW: Vulkan Not Supported\n");
-        return 1;
-    }
-    uint32_t extensions_count = 0;
-    const char** extensions = glfwGetRequiredInstanceExtensions(&extensions_count);
-    SetupVulkan(extensions, extensions_count);
-
-    // Create Window Surface
-    VkSurfaceKHR surface;
-    VkResult err = glfwCreateWindowSurface(g_Instance, window, g_Allocator, &surface);
-    check_vk_result(err);
-
-    // Create Framebuffers
-    int w, h;
-    glfwGetFramebufferSize(window, &w, &h);
-    ImGui_ImplVulkanH_Window* wd = &g_MainWindowData;
-    SetupVulkanWindow(wd, surface, w, h);
-
-    // Setup Dear ImGui context
-    IMGUI_CHECKVERSION();
-    ImGui::CreateContext();
-    ImGuiIO& io = ImGui::GetIO(); (void)io;
-    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
-    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;      // Enable Gamepad Controls
-
-    // Setup Dear ImGui style
-    ImGui::StyleColorsDark();
-    //ImGui::StyleColorsClassic();
-
-    // Setup Platform/Renderer backends
-    ImGui_ImplGlfw_InitForVulkan(window, true);
-    ImGui_ImplVulkan_InitInfo init_info = {};
-    init_info.Instance = g_Instance;
-    init_info.PhysicalDevice = g_PhysicalDevice;
-    init_info.Device = g_Device;
-    init_info.QueueFamily = g_QueueFamily;
-    init_info.Queue = g_Queue;
-    init_info.PipelineCache = g_PipelineCache;
-    init_info.DescriptorPool = g_DescriptorPool;
-    init_info.Subpass = 0;
-    init_info.MinImageCount = g_MinImageCount;
-    init_info.ImageCount = wd->ImageCount;
-    init_info.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
-    init_info.Allocator = g_Allocator;
-    init_info.CheckVkResultFn = check_vk_result;
-    ImGui_ImplVulkan_Init(&init_info, wd->RenderPass);
-
-    // Load Fonts
-    // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
-    // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
-    // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
-    // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call.
-    // - Read 'docs/FONTS.md' for more instructions and details.
-    // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
-    //io.Fonts->AddFontDefault();
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
-    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f);
-    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
-    //IM_ASSERT(font != NULL);
-
-    // Our state
-    DrawData drawData{};
-    drawData.window_handle = glfwGetWin32Window(window);
-    drawData.window_size = getWindowSize(window);
-
-    initFunc(drawData, customState);
-
-    // Upload Fonts
-    {
-        // Use any command queue
-        VkCommandPool command_pool = wd->Frames[wd->FrameIndex].CommandPool;
-        VkCommandBuffer command_buffer = wd->Frames[wd->FrameIndex].CommandBuffer;
-
-        err = vkResetCommandPool(g_Device, command_pool, 0);
-        check_vk_result(err);
-        VkCommandBufferBeginInfo begin_info = {};
-        begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-        begin_info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
-        err = vkBeginCommandBuffer(command_buffer, &begin_info);
-        check_vk_result(err);
-
-        ImGui_ImplVulkan_CreateFontsTexture(command_buffer);
-
-        VkSubmitInfo end_info = {};
-        end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
-        end_info.commandBufferCount = 1;
-        end_info.pCommandBuffers = &command_buffer;
-        err = vkEndCommandBuffer(command_buffer);
-        check_vk_result(err);
-        err = vkQueueSubmit(g_Queue, 1, &end_info, VK_NULL_HANDLE);
-        check_vk_result(err);
-
-        err = vkDeviceWaitIdle(g_Device);
-        check_vk_result(err);
-        ImGui_ImplVulkan_DestroyFontUploadObjects();
-    }
-
-    // Main loop
-    while (!glfwWindowShouldClose(window))
-    {
-        // Poll and handle events (inputs, window resize, etc.)
-        // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
-        // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
-        // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application.
-        // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
-        glfwPollEvents();
-
-        // Resize swap chain?
-        if (g_SwapChainRebuild)
-        {
-            int width, height;
-            glfwGetFramebufferSize(window, &width, &height);
-            if (width > 0 && height > 0)
-            {
-                ImGui_ImplVulkan_SetMinImageCount(g_MinImageCount);
-                ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, width, height, g_MinImageCount);
-                g_MainWindowData.FrameIndex = 0;
-                g_SwapChainRebuild = false;
-            }
-        }
-
-        // Start the Dear ImGui frame
-        ImGui_ImplVulkan_NewFrame();
-        ImGui_ImplGlfw_NewFrame();
-        ImGui::NewFrame();
-
-        ImVec2 prevWindowSize = getWindowSize(window);
-        drawData.window_size = prevWindowSize;
-
-        drawFunc(drawData, customState);
-
-        if (drawData.window_size.x != prevWindowSize.x || drawData.window_size.y != prevWindowSize.y)
-        {
-            glfwSetWindowSize(window, drawData.window_size.x, drawData.window_size.y);
-        }
-
-        // Rendering
-        ImGui::Render();
-        ImDrawData* draw_data = ImGui::GetDrawData();
-        const bool is_minimized = (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f);
-        if (!is_minimized)
-        {
-            wd->ClearValue.color.float32[0] = drawData.clear_color.x * drawData.clear_color.w;
-            wd->ClearValue.color.float32[1] = drawData.clear_color.y * drawData.clear_color.w;
-            wd->ClearValue.color.float32[2] = drawData.clear_color.z * drawData.clear_color.w;
-            wd->ClearValue.color.float32[3] = drawData.clear_color.w;
-            FrameRender(wd, draw_data);
-            FramePresent(wd);
-        }
-    }
-
-    // Cleanup
-    err = vkDeviceWaitIdle(g_Device);
-    check_vk_result(err);
-    ImGui_ImplVulkan_Shutdown();
-    ImGui_ImplGlfw_Shutdown();
-    ImGui::DestroyContext();
-
-    CleanupVulkanWindow();
-    CleanupVulkan();
-
-    glfwDestroyWindow(window);
-    glfwTerminate();
-
-    return 0;
-}
-
-ImVec2 getWindowSize(GLFWwindow* window)
-{
-    int window_width;
-    int window_height;
-    glfwGetWindowSize(window, &window_width, &window_height);
-    return ImVec2(window_width, window_height);
-}

ImguiBase/ImguiBase.h

@@ -1,16 +1,538 @@
-#pragma once
-
 #include <Windows.h>
+
+
+#include "imgui.h"
 #include "imgui_impl_glfw.h"
-#include "imgui/headers/imgui.h"
+#include "imgui_impl_vulkan.h"
+
+#include <iostream>
+#define GLFW_INCLUDE_NONE
+#define GLFW_INCLUDE_VULKAN
+#define GLFW_EXPOSE_NATIVE_WIN32
+#include <GLFW/glfw3.h>
+#include <GLFW/glfw3native.h>
+#include <vulkan/vulkan.h>
 
 class DrawData {
 public:
-	HWND window_handle = nullptr;
+    GLFWwindow* window = nullptr;
-	ImVec4 clear_color = {};
+    HWND window_handle = nullptr;
-	ImVec2 window_size = {};
+    ImVec4 clear_color = {};
+    ImVec2 window_size = {};
 };
 
-int startImgui(void* customState, void (*const initFunc)(DrawData&, void*), void (* const drawFunc)(DrawData&, void*), const char* title, int windowWidth, int windowHeight);
-
 ImVec2 getWindowSize(GLFWwindow* window);
+
+static VkAllocationCallbacks* g_Allocator = NULL;
+static VkInstance               g_Instance = VK_NULL_HANDLE;
+static VkPhysicalDevice         g_PhysicalDevice = VK_NULL_HANDLE;
+static VkDevice                 g_Device = VK_NULL_HANDLE;
+static uint32_t                 g_QueueFamily = (uint32_t)-1;
+static VkQueue                  g_Queue = VK_NULL_HANDLE;
+static VkDebugReportCallbackEXT g_DebugReport = VK_NULL_HANDLE;
+static VkPipelineCache          g_PipelineCache = VK_NULL_HANDLE;
+static VkDescriptorPool         g_DescriptorPool = VK_NULL_HANDLE;
+
+static ImGui_ImplVulkanH_Window g_MainWindowData;
+static int                      g_MinImageCount = 2;
+static bool                     g_SwapChainRebuild = false;
+
+static void check_vk_result(VkResult err)
+{
+    if (err == 0)
+        return;
+    fprintf(stderr, "[vulkan] Error: VkResult = %d\n", err);
+    if (err < 0)
+        abort();
+}
+
+#ifdef IMGUI_VULKAN_DEBUG_REPORT
+static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT objectType, uint64_t object, size_t location, int32_t messageCode, const char* pLayerPrefix, const char* pMessage, void* pUserData)
+{
+    (void)flags; (void)object; (void)location; (void)messageCode; (void)pUserData; (void)pLayerPrefix; // Unused arguments
+    fprintf(stderr, "[vulkan] Debug report from ObjectType: %i\nMessage: %s\n\n", objectType, pMessage);
+    return VK_FALSE;
+}
+#endif // IMGUI_VULKAN_DEBUG_REPORT
+
+static void SetupVulkan(const char** extensions, uint32_t extensions_count)
+{
+    VkResult err;
+
+    // Create Vulkan Instance
+    {
+        VkInstanceCreateInfo create_info = {};
+        create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
+        create_info.enabledExtensionCount = extensions_count;
+        create_info.ppEnabledExtensionNames = extensions;
+#ifdef IMGUI_VULKAN_DEBUG_REPORT
+        // Enabling validation layers
+        const char* layers[] = { "VK_LAYER_KHRONOS_validation" };
+        create_info.enabledLayerCount = 1;
+        create_info.ppEnabledLayerNames = layers;
+
+        // Enable debug report extension (we need additional storage, so we duplicate the user array to add our new extension to it)
+        const char** extensions_ext = (const char**)malloc(sizeof(const char*) * (extensions_count + 1));
+        memcpy(extensions_ext, extensions, extensions_count * sizeof(const char*));
+        extensions_ext[extensions_count] = "VK_EXT_debug_report";
+        create_info.enabledExtensionCount = extensions_count + 1;
+        create_info.ppEnabledExtensionNames = extensions_ext;
+
+        // Create Vulkan Instance
+        err = vkCreateInstance(&create_info, g_Allocator, &g_Instance);
+        check_vk_result(err);
+        free(extensions_ext);
+
+        // Get the function pointer (required for any extensions)
+        auto vkCreateDebugReportCallbackEXT = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkCreateDebugReportCallbackEXT");
+        IM_ASSERT(vkCreateDebugReportCallbackEXT != NULL);
+
+        // Setup the debug report callback
+        VkDebugReportCallbackCreateInfoEXT debug_report_ci = {};
+        debug_report_ci.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
+        debug_report_ci.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
+        debug_report_ci.pfnCallback = debug_report;
+        debug_report_ci.pUserData = NULL;
+        err = vkCreateDebugReportCallbackEXT(g_Instance, &debug_report_ci, g_Allocator, &g_DebugReport);
+        check_vk_result(err);
+#else
+        // Create Vulkan Instance without any debug feature
+        err = vkCreateInstance(&create_info, g_Allocator, &g_Instance);
+        check_vk_result(err);
+        IM_UNUSED(g_DebugReport);
+#endif
+    }
+
+    // Select GPU
+    {
+        uint32_t gpu_count;
+        err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, NULL);
+        check_vk_result(err);
+        IM_ASSERT(gpu_count > 0);
+
+        VkPhysicalDevice* gpus = (VkPhysicalDevice*)malloc(sizeof(VkPhysicalDevice) * gpu_count);
+        err = vkEnumeratePhysicalDevices(g_Instance, &gpu_count, gpus);
+        check_vk_result(err);
+
+        // If a number >1 of GPUs got reported, find discrete GPU if present, or use first one available. This covers
+        // most common cases (multi-gpu/integrated+dedicated graphics). Handling more complicated setups (multiple
+        // dedicated GPUs) is out of scope of this sample.
+        int use_gpu = 0;
+        for (int i = 0; i < (int)gpu_count; i++)
+        {
+            VkPhysicalDeviceProperties properties;
+            vkGetPhysicalDeviceProperties(gpus[i], &properties);
+            if (properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
+            {
+                use_gpu = i;
+                break;
+            }
+        }
+
+        g_PhysicalDevice = gpus[use_gpu];
+        free(gpus);
+    }
+
+    // Select graphics queue family
+    {
+        uint32_t count;
+        vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, NULL);
+        VkQueueFamilyProperties* queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties) * count);
+        vkGetPhysicalDeviceQueueFamilyProperties(g_PhysicalDevice, &count, queues);
+        for (uint32_t i = 0; i < count; i++)
+            if (queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
+            {
+                g_QueueFamily = i;
+                break;
+            }
+        free(queues);
+        IM_ASSERT(g_QueueFamily != (uint32_t)-1);
+    }
+
+    // Create Logical Device (with 1 queue)
+    {
+        int device_extension_count = 1;
+        const char* device_extensions[] = { "VK_KHR_swapchain" };
+        const float queue_priority[] = { 1.0f };
+        VkDeviceQueueCreateInfo queue_info[1] = {};
+        queue_info[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
+        queue_info[0].queueFamilyIndex = g_QueueFamily;
+        queue_info[0].queueCount = 1;
+        queue_info[0].pQueuePriorities = queue_priority;
+        VkDeviceCreateInfo create_info = {};
+        create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
+        create_info.queueCreateInfoCount = sizeof(queue_info) / sizeof(queue_info[0]);
+        create_info.pQueueCreateInfos = queue_info;
+        create_info.enabledExtensionCount = device_extension_count;
+        create_info.ppEnabledExtensionNames = device_extensions;
+        err = vkCreateDevice(g_PhysicalDevice, &create_info, g_Allocator, &g_Device);
+        check_vk_result(err);
+        vkGetDeviceQueue(g_Device, g_QueueFamily, 0, &g_Queue);
+    }
+
+    // Create Descriptor Pool
+    {
+        VkDescriptorPoolSize pool_sizes[] =
+        {
+            { VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
+            { VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
+            { VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 },
+            { VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 },
+            { VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 },
+            { VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 },
+            { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 },
+            { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 },
+            { VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 },
+            { VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 },
+            { VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 }
+        };
+        VkDescriptorPoolCreateInfo pool_info = {};
+        pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
+        pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
+        pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes);
+        pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
+        pool_info.pPoolSizes = pool_sizes;
+        err = vkCreateDescriptorPool(g_Device, &pool_info, g_Allocator, &g_DescriptorPool);
+        check_vk_result(err);
+    }
+}
+
+// All the ImGui_ImplVulkanH_XXX structures/functions are optional helpers used by the demo.
+// Your real engine/app may not use them.
+static void SetupVulkanWindow(ImGui_ImplVulkanH_Window* wd, VkSurfaceKHR surface, int width, int height)
+{
+    wd->Surface = surface;
+
+    // Check for WSI support
+    VkBool32 res;
+    vkGetPhysicalDeviceSurfaceSupportKHR(g_PhysicalDevice, g_QueueFamily, wd->Surface, &res);
+    if (res != VK_TRUE)
+    {
+        fprintf(stderr, "Error no WSI support on physical device 0\n");
+        exit(-1);
+    }
+
+    // Select Surface Format
+    const VkFormat requestSurfaceImageFormat[] = { VK_FORMAT_B8G8R8A8_UNORM, VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8_UNORM, VK_FORMAT_R8G8B8_UNORM };
+    const VkColorSpaceKHR requestSurfaceColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
+    wd->SurfaceFormat = ImGui_ImplVulkanH_SelectSurfaceFormat(g_PhysicalDevice, wd->Surface, requestSurfaceImageFormat, (size_t)IM_ARRAYSIZE(requestSurfaceImageFormat), requestSurfaceColorSpace);
+
+    // Select Present Mode
+#ifdef IMGUI_UNLIMITED_FRAME_RATE
+    VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_MAILBOX_KHR, VK_PRESENT_MODE_IMMEDIATE_KHR, VK_PRESENT_MODE_FIFO_KHR };
+#else
+    VkPresentModeKHR present_modes[] = { VK_PRESENT_MODE_FIFO_KHR };
+#endif
+    wd->PresentMode = ImGui_ImplVulkanH_SelectPresentMode(g_PhysicalDevice, wd->Surface, &present_modes[0], IM_ARRAYSIZE(present_modes));
+    //printf("[vulkan] Selected PresentMode = %d\n", wd->PresentMode);
+
+    // Create SwapChain, RenderPass, Framebuffer, etc.
+    IM_ASSERT(g_MinImageCount >= 2);
+    ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, wd, g_QueueFamily, g_Allocator, width, height, g_MinImageCount);
+}
+
+static void CleanupVulkan()
+{
+    vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator);
+
+#ifdef IMGUI_VULKAN_DEBUG_REPORT
+    // Remove the debug report callback
+    auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
+    vkDestroyDebugReportCallbackEXT(g_Instance, g_DebugReport, g_Allocator);
+#endif // IMGUI_VULKAN_DEBUG_REPORT
+
+    vkDestroyDevice(g_Device, g_Allocator);
+    vkDestroyInstance(g_Instance, g_Allocator);
+}
+
+static void CleanupVulkanWindow()
+{
+    ImGui_ImplVulkanH_DestroyWindow(g_Instance, g_Device, &g_MainWindowData, g_Allocator);
+}
+
+static void FrameRender(ImGui_ImplVulkanH_Window* wd, ImDrawData* draw_data)
+{
+    VkResult err;
+
+    VkSemaphore image_acquired_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].ImageAcquiredSemaphore;
+    VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore;
+    err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex);
+    if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
+    {
+        g_SwapChainRebuild = true;
+        return;
+    }
+    check_vk_result(err);
+
+    ImGui_ImplVulkanH_Frame* fd = &wd->Frames[wd->FrameIndex];
+    {
+        err = vkWaitForFences(g_Device, 1, &fd->Fence, VK_TRUE, UINT64_MAX);    // wait indefinitely instead of periodically checking
+        check_vk_result(err);
+
+        err = vkResetFences(g_Device, 1, &fd->Fence);
+        check_vk_result(err);
+    }
+    {
+        err = vkResetCommandPool(g_Device, fd->CommandPool, 0);
+        check_vk_result(err);
+        VkCommandBufferBeginInfo info = {};
+        info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+        info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+        err = vkBeginCommandBuffer(fd->CommandBuffer, &info);
+        check_vk_result(err);
+    }
+    {
+        VkRenderPassBeginInfo info = {};
+        info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
+        info.renderPass = wd->RenderPass;
+        info.framebuffer = fd->Framebuffer;
+        info.renderArea.extent.width = wd->Width;
+        info.renderArea.extent.height = wd->Height;
+        info.clearValueCount = 1;
+        info.pClearValues = &wd->ClearValue;
+        vkCmdBeginRenderPass(fd->CommandBuffer, &info, VK_SUBPASS_CONTENTS_INLINE);
+    }
+
+    // Record dear imgui primitives into command buffer
+    ImGui_ImplVulkan_RenderDrawData(draw_data, fd->CommandBuffer);
+
+    // Submit command buffer
+    vkCmdEndRenderPass(fd->CommandBuffer);
+    {
+        VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
+        VkSubmitInfo info = {};
+        info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+        info.waitSemaphoreCount = 1;
+        info.pWaitSemaphores = &image_acquired_semaphore;
+        info.pWaitDstStageMask = &wait_stage;
+        info.commandBufferCount = 1;
+        info.pCommandBuffers = &fd->CommandBuffer;
+        info.signalSemaphoreCount = 1;
+        info.pSignalSemaphores = &render_complete_semaphore;
+
+        err = vkEndCommandBuffer(fd->CommandBuffer);
+        check_vk_result(err);
+        err = vkQueueSubmit(g_Queue, 1, &info, fd->Fence);
+        check_vk_result(err);
+    }
+}
+
+static void FramePresent(ImGui_ImplVulkanH_Window* wd)
+{
+    if (g_SwapChainRebuild)
+        return;
+    VkSemaphore render_complete_semaphore = wd->FrameSemaphores[wd->SemaphoreIndex].RenderCompleteSemaphore;
+    VkPresentInfoKHR info = {};
+    info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
+    info.waitSemaphoreCount = 1;
+    info.pWaitSemaphores = &render_complete_semaphore;
+    info.swapchainCount = 1;
+    info.pSwapchains = &wd->Swapchain;
+    info.pImageIndices = &wd->FrameIndex;
+    VkResult err = vkQueuePresentKHR(g_Queue, &info);
+    if (err == VK_ERROR_OUT_OF_DATE_KHR || err == VK_SUBOPTIMAL_KHR)
+    {
+        g_SwapChainRebuild = true;
+        return;
+    }
+    check_vk_result(err);
+    wd->SemaphoreIndex = (wd->SemaphoreIndex + 1) % wd->ImageCount; // Now we can use the next set of semaphores
+}
+
+static void glfw_error_callback(int error, const char* description)
+{
+    fprintf(stderr, "Glfw Error %d: %s\n", error, description);
+}
+
+template<typename D>
+int startImgui(D& customState, void (*const initFunc)(DrawData&, D&), void (*const drawFunc)(DrawData&, D&), void (*const cleanupFunc)(DrawData&, D&), const char* title, int windowWidth, int windowHeight)
+{
+    // Setup GLFW window
+    glfwSetErrorCallback(glfw_error_callback);
+    if (!glfwInit())
+        return 1;
+
+    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+    GLFWwindow* window = glfwCreateWindow(windowWidth, windowHeight, title, NULL, NULL);
+
+    // Setup Vulkan
+    if (!glfwVulkanSupported())
+    {
+        printf("GLFW: Vulkan Not Supported\n");
+        return 1;
+    }
+    uint32_t extensions_count = 0;
+    const char** extensions = glfwGetRequiredInstanceExtensions(&extensions_count);
+    SetupVulkan(extensions, extensions_count);
+
+    // Create Window Surface
+    VkSurfaceKHR surface;
+    VkResult err = glfwCreateWindowSurface(g_Instance, window, g_Allocator, &surface);
+    check_vk_result(err);
+
+    // Create Framebuffers
+    int w, h;
+    glfwGetFramebufferSize(window, &w, &h);
+    ImGui_ImplVulkanH_Window* wd = &g_MainWindowData;
+    SetupVulkanWindow(wd, surface, w, h);
+
+    // Setup Dear ImGui context
+    IMGUI_CHECKVERSION();
+    ImGui::CreateContext();
+    ImGuiIO& io = ImGui::GetIO(); (void)io;
+    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
+    //io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;      // Enable Gamepad Controls
+
+    // Setup Dear ImGui style
+    ImGui::StyleColorsDark();
+    //ImGui::StyleColorsClassic();
+
+    // Setup Platform/Renderer backends
+    ImGui_ImplGlfw_InitForVulkan(window, true);
+    ImGui_ImplVulkan_InitInfo init_info = {};
+    init_info.Instance = g_Instance;
+    init_info.PhysicalDevice = g_PhysicalDevice;
+    init_info.Device = g_Device;
+    init_info.QueueFamily = g_QueueFamily;
+    init_info.Queue = g_Queue;
+    init_info.PipelineCache = g_PipelineCache;
+    init_info.DescriptorPool = g_DescriptorPool;
+    init_info.Subpass = 0;
+    init_info.MinImageCount = g_MinImageCount;
+    init_info.ImageCount = wd->ImageCount;
+    init_info.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
+    init_info.Allocator = g_Allocator;
+    init_info.CheckVkResultFn = check_vk_result;
+    ImGui_ImplVulkan_Init(&init_info, wd->RenderPass);
+
+    // Load Fonts
+    // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
+    // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
+    // - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
+    // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call.
+    // - Read 'docs/FONTS.md' for more instructions and details.
+    // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
+    //io.Fonts->AddFontDefault();
+    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
+    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
+    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
+    //io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f);
+    //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
+    //IM_ASSERT(font != NULL);
+
+    // Our state
+    DrawData drawData{};
+    drawData.window = window;
+    drawData.window_handle = glfwGetWin32Window(window);
+    drawData.window_size = getWindowSize(window);
+
+    initFunc(drawData, customState);
+
+    // Upload Fonts
+    {
+        // Use any command queue
+        VkCommandPool command_pool = wd->Frames[wd->FrameIndex].CommandPool;
+        VkCommandBuffer command_buffer = wd->Frames[wd->FrameIndex].CommandBuffer;
+
+        err = vkResetCommandPool(g_Device, command_pool, 0);
+        check_vk_result(err);
+        VkCommandBufferBeginInfo begin_info = {};
+        begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+        begin_info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+        err = vkBeginCommandBuffer(command_buffer, &begin_info);
+        check_vk_result(err);
+
+        ImGui_ImplVulkan_CreateFontsTexture(command_buffer);
+
+        VkSubmitInfo end_info = {};
+        end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+        end_info.commandBufferCount = 1;
+        end_info.pCommandBuffers = &command_buffer;
+        err = vkEndCommandBuffer(command_buffer);
+        check_vk_result(err);
+        err = vkQueueSubmit(g_Queue, 1, &end_info, VK_NULL_HANDLE);
+        check_vk_result(err);
+
+        err = vkDeviceWaitIdle(g_Device);
+        check_vk_result(err);
+        ImGui_ImplVulkan_DestroyFontUploadObjects();
+    }
+
+    // Main loop
+    while (!glfwWindowShouldClose(window))
+    {
+        // Poll and handle events (inputs, window resize, etc.)
+        // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
+        // - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
+        // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application.
+        // Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
+        glfwPollEvents();
+
+        // Resize swap chain?
+        if (g_SwapChainRebuild)
+        {
+            int width, height;
+            glfwGetFramebufferSize(window, &width, &height);
+            if (width > 0 && height > 0)
+            {
+                ImGui_ImplVulkan_SetMinImageCount(g_MinImageCount);
+                ImGui_ImplVulkanH_CreateOrResizeWindow(g_Instance, g_PhysicalDevice, g_Device, &g_MainWindowData, g_QueueFamily, g_Allocator, width, height, g_MinImageCount);
+                g_MainWindowData.FrameIndex = 0;
+                g_SwapChainRebuild = false;
+            }
+        }
+
+        // Start the Dear ImGui frame
+        ImGui_ImplVulkan_NewFrame();
+        ImGui_ImplGlfw_NewFrame();
+        ImGui::NewFrame();
+
+        ImVec2 prevWindowSize = getWindowSize(window);
+        drawData.window_size = prevWindowSize;
+
+        drawFunc(drawData, customState);
+
+        if (drawData.window_size.x != prevWindowSize.x || drawData.window_size.y != prevWindowSize.y)
+        {
+            glfwSetWindowSize(window, drawData.window_size.x, drawData.window_size.y);
+        }
+
+        // Rendering
+        ImGui::Render();
+        ImDrawData* draw_data = ImGui::GetDrawData();
+        const bool is_minimized = (draw_data->DisplaySize.x <= 0.0f || draw_data->DisplaySize.y <= 0.0f);
+        if (!is_minimized)
+        {
+            wd->ClearValue.color.float32[0] = drawData.clear_color.x * drawData.clear_color.w;
+            wd->ClearValue.color.float32[1] = drawData.clear_color.y * drawData.clear_color.w;
+            wd->ClearValue.color.float32[2] = drawData.clear_color.z * drawData.clear_color.w;
+            wd->ClearValue.color.float32[3] = drawData.clear_color.w;
+            FrameRender(wd, draw_data);
+            FramePresent(wd);
+        }
+    }
+
+    // Cleanup
+    cleanupFunc(drawData, customState);
+    err = vkDeviceWaitIdle(g_Device);
+    check_vk_result(err);
+    ImGui_ImplVulkan_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
+
+    CleanupVulkanWindow();
+    CleanupVulkan();
+
+    glfwDestroyWindow(window);
+    glfwTerminate();
+
+    return 0;
+}
+
+ImVec2 getWindowSize(GLFWwindow* window)
+{
+    int window_width;
+    int window_height;
+    glfwGetWindowSize(window, &window_width, &window_height);
+    return ImVec2(window_width, window_height);
+}

ImguiBase/ImguiBase.vcxproj

@@ -175,7 +175,7 @@
     </Lib>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="ImguiBase.cpp" />
+    <ClCompile Include="ImguiBase.h" />
     <ClCompile Include="imgui\code\imgui.cpp" />
     <ClCompile Include="imgui\code\imgui_demo.cpp" />
     <ClCompile Include="imgui\code\imgui_draw.cpp" />
@@ -185,7 +185,6 @@
     <ClCompile Include="imgui\code\imgui_widgets.cpp" />
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="ImguiBase.h" />
     <ClInclude Include="imgui\headers\imconfig.h" />
     <ClInclude Include="imgui\headers\imgui.h" />
     <ClInclude Include="imgui\headers\imgui_impl_glfw.h" />

ImguiBase/ImguiBase.vcxproj.filters

@@ -21,7 +21,7 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="ImguiBase.cpp">
+    <ClCompile Include="ImguiBase.h">
       <Filter>Source Files</Filter>
     </ClCompile>
     <ClCompile Include="imgui\code\imgui_impl_glfw.cpp">
@@ -71,9 +71,6 @@
     <ClInclude Include="imgui\headers\imstb_truetype.h">
       <Filter>Header Files\imgui</Filter>
     </ClInclude>
-    <ClInclude Include="ImguiBase.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Font Include="Montserrat-Regular.ttf">

ImguiNodes/ImguiNodes.cpp

@@ -12,13 +12,13 @@ int main()
 {
 	ApplicationData applicationData{};
 
-	startImgui(&applicationData, init, draw, "Node Test", 1280, 720);
+	startImgui<ApplicationData>(applicationData, init, draw, nullptr, "Node Test", 1280, 720);
 }
 
 /// <summary>
 /// Setup before first draw.
 /// </summary>
-void init(DrawData& drawData, void* customData)
+void init(DrawData& drawData, ApplicationData& customData)
 {
 	ImGuiIO& io = ImGui::GetIO();
 	io.Fonts->AddFontFromFileTTF("Montserrat-Regular.ttf", 16.0f);
@@ -27,17 +27,15 @@ void init(DrawData& drawData, void* customData)
 /// <summary>
 /// Draw main application content.
 /// </summary>
-void draw(DrawData& drawData, void* customData)
+void draw(DrawData& drawData, ApplicationData& applicationData)
 {
-	ApplicationData* applicationData = static_cast<ApplicationData*>(customData);
-
 	// Top menu bar
 	ImGui::BeginMainMenuBar();
 	if (ImGui::Button("Add Node"))
 	{
 		std::string name{ "Node " };
-		name.append(std::to_string(applicationData->nodes.size() + 1));
+		name.append(std::to_string(applicationData.nodes.size() + 1));
-		applicationData->nodes.push_back(NodeWindow(name));
+		applicationData.nodes.push_back(NodeWindow(name));
 	}
 	ImGui::EndMainMenuBar();
 
@@ -45,8 +43,8 @@ void draw(DrawData& drawData, void* customData)
 	bool isDraggingLine = false;
 	ImVec2 lineStartPos = ImVec2{};
 
-	auto nodeIterator = applicationData->nodes.begin();
+	auto nodeIterator = applicationData.nodes.begin();
-	while (nodeIterator != applicationData->nodes.end())
+	while (nodeIterator != applicationData.nodes.end())
 	{
 		NodeWindow& node = *nodeIterator;
 
@@ -56,7 +54,7 @@ void draw(DrawData& drawData, void* customData)
 			if (!nodeOpen)
 			{
 				cleanEreaseNodeElements(*nodeIterator, applicationData);
-				nodeIterator = applicationData->nodes.erase(nodeIterator);
+				nodeIterator = applicationData.nodes.erase(nodeIterator);
 				ImGui::End();
 				break; // TODO: contine creates bug with closing too many windows???
 			}
@@ -112,7 +110,7 @@ void draw(DrawData& drawData, void* customData)
 					if (const ImGuiPayload* payload = ImGui::AcceptDragDropPayload("NODE_CONNECTION"))
 					{
 						ConnectionPayload* payloadData = static_cast<ConnectionPayload*>(payload->Data);
-						applicationData->addConnection(payloadData->sourceID, triggerIterator->id);
+						applicationData.addConnection(payloadData->sourceID, triggerIterator->id);
 					}
 					ImGui::EndDragDropTarget();
 				}
@@ -153,11 +151,11 @@ void draw(DrawData& drawData, void* customData)
 
 	// Draw connected lines in background
 	ImDrawList* bgDrawList = ImGui::GetBackgroundDrawList();
-	for (NodeConnection& nodeConnection : applicationData->connections)
+	for (NodeConnection& nodeConnection : applicationData.connections)
 	{
 		ImVec2 sourcePos = ImVec2{ 0, 0 };
 		ImVec2 targetPos = ImVec2{ 0, 0 };
-		for (auto node : applicationData->nodes)
+		for (auto node : applicationData.nodes)
 		{
 			for (auto alert : node.alerts)
 			{
@@ -237,14 +235,14 @@ bool invisibleInlineButton(const char* title, const char* id)
 /// Removes any attached connections before erasing this NodeElement from a vector.
 /// </summary>
 /// <returns>Continued iterator</returns>
-std::vector<NodeElement>::iterator cleanEraseElement(std::vector<NodeElement>& elements, std::vector<NodeElement>::iterator toErase, ApplicationData* data)
+std::vector<NodeElement>::iterator cleanEraseElement(std::vector<NodeElement>& elements, std::vector<NodeElement>::iterator toErase, ApplicationData& data)
 {
-	auto connectionIterator = data->connections.begin();
+	auto connectionIterator = data.connections.begin();
-	while (connectionIterator != data->connections.end())
+	while (connectionIterator != data.connections.end())
 	{
 		if (connectionIterator->sourceID == toErase->id || connectionIterator->targetID == toErase->id)
 		{
-			connectionIterator = data->connections.erase(connectionIterator);
+			connectionIterator = data.connections.erase(connectionIterator);
 			continue;
 		}
 		connectionIterator++;
@@ -252,7 +250,7 @@ std::vector<NodeElement>::iterator cleanEraseElement(std::vector<NodeElement>& e
 	return elements.erase(toErase);
 }
 
-void cleanEreaseNodeElements(NodeWindow& node, ApplicationData* data)
+void cleanEreaseNodeElements(NodeWindow& node, ApplicationData& data)
 {
 	auto triggerIterator = node.triggers.begin();
 	while (triggerIterator != node.triggers.end())

ImguiNodes/ImguiNodes.h

@@ -46,12 +46,12 @@ enum class CircleDragType
 	Target
 };
 
-void init(DrawData& drawData, void* customData);
+void init(DrawData& drawData, ApplicationData& customData);
-void draw(DrawData& drawData, void* customDataVoid);
+void draw(DrawData& drawData, ApplicationData& customDataVoid);
 
 void invisibleDragArea(const void* id, ImVec2& size);
 void drawCircle(ImVec2* outCircleCenter);
 bool inlineButton(const char* title, const void* id);
 bool invisibleInlineButton(const char* title, const char* id);
-std::vector<NodeElement>::iterator cleanEraseElement(std::vector<NodeElement>& vector, std::vector<NodeElement>::iterator toErase, ApplicationData* data);
+std::vector<NodeElement>::iterator cleanEraseElement(std::vector<NodeElement>& vector, std::vector<NodeElement>::iterator toErase, ApplicationData& data);
-void cleanEreaseNodeElements(NodeWindow& node, ApplicationData* data);
+void cleanEreaseNodeElements(NodeWindow& node, ApplicationData& data);