完成校验层回调
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commit
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@ -1,20 +1,41 @@
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// VulkanTutorial.cpp: 定义应用程序的入口点。
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// VulkanTutorial.cpp: 定义应用程序的入口点。
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//
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//
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#include "VulkanTutorial.h"
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#include "VulkanTutorial.h"
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const int Width = 800;
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const int Height = 600;
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const std::vector<const char*> validationLayers = {
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"VK_LAYER_KHRONOS_validation"
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};
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#ifdef NDEBUG
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const bool enableValidationLayers = false;
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#else
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const bool enableValidationLayers = true;
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#endif // NDEBUG
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//window init
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GLFWwindow* HelloTriangleApplication::initWindow(int Width, int Height) {
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GLFWwindow* HelloTriangleApplication::initWindow(int Width, int Height) {
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glfwInit();
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glfwInit();
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
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glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
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auto window = glfwCreateWindow(Width, Height, "vulkan", nullptr, nullptr);
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window = glfwCreateWindow(Width, Height, "vulkan", nullptr, nullptr);
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return window;
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return window;
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}
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}
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// vulkan instace create
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void HelloTriangleApplication::createInstance() {
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void HelloTriangleApplication::createInstance() {
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VkApplicationInfo appInfo = {};
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// check validation layers
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if (enableValidationLayers && ! checkValidationLayerSupport())
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{
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throw std::runtime_error("validation layers requsted,but not available");
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}
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//setup appliaction info
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VkApplicationInfo appInfo{};
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appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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appInfo.pApplicationName = "Hello Triangle";
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appInfo.pApplicationName = "Hello Triangle";
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appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
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appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
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@ -22,43 +43,73 @@ void HelloTriangleApplication::createInstance() {
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appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
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appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
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appInfo.apiVersion = VK_API_VERSION_1_0;
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appInfo.apiVersion = VK_API_VERSION_1_0;
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VkInstanceCreateInfo createInfo = {};
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// setup createInfo
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VkInstanceCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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createInfo.pApplicationInfo = &appInfo;
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createInfo.pApplicationInfo = &appInfo;
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auto requiredExtensions = getRequiredExtensions();
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createInfo.enabledExtensionCount = static_cast<uint32_t>(requiredExtensions.size());
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createInfo.ppEnabledExtensionNames = requiredExtensions.data();
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/* enable glfw extension in creatInfo
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uint32_t glfwExtentionCount = 0;
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uint32_t glfwExtentionCount = 0;
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const char** glfwExtensions;
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const char** glfwExtensions;
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glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtentionCount);
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glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtentionCount);
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createInfo.enabledExtensionCount = glfwExtentionCount;
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createInfo.enabledExtensionCount = glfwExtentionCount;
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createInfo.ppEnabledExtensionNames = glfwExtensions;
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createInfo.ppEnabledExtensionNames = glfwExtensions;
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createInfo.enabledLayerCount = 0;
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*/
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// enable validation layer if available in createInfo
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VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo{};
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if (enableValidationLayers)
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{
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createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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createInfo.ppEnabledLayerNames = validationLayers.data();
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populateDebugMessengerCreateInfo(debugCreateInfo);
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createInfo.pNext = (VkDebugUtilsMessengerCreateInfoEXT*) &debugCreateInfo;
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}
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else
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{
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createInfo.enabledLayerCount = 0;
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createInfo.pNext = nullptr;
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}
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// throw error in creating instance
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if (vkCreateInstance(&createInfo, nullptr, &instance)!=VK_SUCCESS)
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if (vkCreateInstance(&createInfo, nullptr, &instance)!=VK_SUCCESS)
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{
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{
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throw std::runtime_error("failed to create instance");
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throw std::runtime_error("failed to create instance");
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}
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}
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uint32_t extensionCount = 0;
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// show available extensions
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vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, nullptr);
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uint32_t availableExtensionCount = 0;
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std::vector<VkExtensionProperties> extensions(extensionCount);
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vkEnumerateInstanceExtensionProperties(nullptr, &availableExtensionCount, nullptr);
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std::vector<VkExtensionProperties> availableExtensions(availableExtensionCount);
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vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, extensions.data());
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vkEnumerateInstanceExtensionProperties(nullptr, &availableExtensionCount, availableExtensions.data());
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std::cout << "available extensions :" << std::endl;
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std::cout << "available extensions :" << std::endl;
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for (const auto& extension : availableExtensions)
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for (const auto& extension : extensions)
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{
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{
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std::cout << "\t" << extension.extensionName << " version:" << extension.specVersion << std::endl;
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std::cout << "\t" << extension.extensionName << " ver:" << extension.specVersion << std::endl;
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}
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}
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}
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}
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void HelloTriangleApplication::initVulkan() {
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void HelloTriangleApplication::initVulkan() {
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createInstance();
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createInstance();
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setupDebugMessenger();
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}
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}
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void HelloTriangleApplication::mainLoop(GLFWwindow* window){
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void HelloTriangleApplication::mainLoop(GLFWwindow* window){
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while (!glfwWindowShouldClose(window))
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while (!glfwWindowShouldClose(window))
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@ -68,8 +119,15 @@ void HelloTriangleApplication::mainLoop(GLFWwindow* window){
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}
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}
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void HelloTriangleApplication::cleanup(GLFWwindow* window) {
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void HelloTriangleApplication::cleanup(GLFWwindow* window) {
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if (enableValidationLayers)
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{
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DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
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}
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vkDestroyInstance(instance, nullptr);
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vkDestroyInstance(instance, nullptr);
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glfwDestroyWindow(window);
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glfwDestroyWindow(window);
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@ -77,12 +135,124 @@ void HelloTriangleApplication::cleanup(GLFWwindow* window) {
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glfwTerminate();
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glfwTerminate();
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}
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}
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std::vector<const char*> HelloTriangleApplication::getRequiredExtensions() {
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uint32_t glfwExtensionCount = 0;
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const char** glfwExtensions;
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glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
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std::vector<const char*> extensions(glfwExtensions, glfwExtensions + glfwExtensionCount);
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if (enableValidationLayers)
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{
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extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
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}
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return extensions;
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}
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VKAPI_ATTR VkBool32 VKAPI_CALL HelloTriangleApplication::debugCallback(
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VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
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VkDebugUtilsMessageTypeFlagsEXT messageTypes,
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const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
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void* pUserData)
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{
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std::cerr << "validation layer: " << pCallbackData->pMessage << std::endl;
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return VK_FALSE;
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}
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void HelloTriangleApplication::setupDebugMessenger()
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{
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if (! enableValidationLayers)
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{
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return;
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}
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VkDebugUtilsMessengerCreateInfoEXT createInfo{};
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populateDebugMessengerCreateInfo(createInfo);
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if (CreateDebugUtilsMessengerEXT(instance,&createInfo,nullptr,&debugMessenger)!= VK_SUCCESS)
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{
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throw std::runtime_error("failed to set up debug messenger in setupDebugMessenger");
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}
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}
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void HelloTriangleApplication::populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo)
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{
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createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
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createInfo.messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT |
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VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT |
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VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
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createInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT |
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VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT |
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VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
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createInfo.pfnUserCallback = &debugCallback;
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createInfo.pUserData = nullptr;
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}
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bool HelloTriangleApplication::checkValidationLayerSupport() {
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uint32_t layerCount;
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vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
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std::vector<VkLayerProperties> availableLayers(layerCount);
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vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());
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// check if validationLayers can be found in availableLayers
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for (const char* layerName: validationLayers)
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{
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bool layerFound = false;
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for (const auto& layerProperties : availableLayers) {
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if (strcmp(layerName,layerProperties.layerName)==0)
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{
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layerFound = true;
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break;
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}
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}
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if (!layerFound)
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{
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return false;
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}
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}
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return true;
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}
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VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkDebugUtilsMessengerEXT* pDebugMessenger)
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{
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auto func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");
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if (func != nullptr)
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{
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return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
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}
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else
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{
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return VK_ERROR_EXTENSION_NOT_PRESENT;
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}
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}
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void DestroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger, const VkAllocationCallbacks* pAllocator)
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{
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auto func = (PFN_vkDestroyDebugUtilsMessengerEXT)vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT");
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if (func!=nullptr)
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{
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func(instance, debugMessenger, pAllocator);
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}
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}
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int main()
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int main()
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{
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{
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HelloTriangleApplication app;
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HelloTriangleApplication app;
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int Width = 800;
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int Height = 600;
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try
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try
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{
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{
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}
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}
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return EXIT_SUCCESS;
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return EXIT_SUCCESS;
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}
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}
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#define GLFW_INCLUDE_VULKAN
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#define GLFW_INCLUDE_VULKAN
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#include<GLFW/glfw3.h>
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#include<GLFW/glfw3.h>
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#include<vulkan/vulkan.h>
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#include <iostream>
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#include <iostream>
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#include <stdexcept>
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#include <stdexcept>
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#include <functional>
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#include <functional>
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#include <cstdlib>
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#include <cstdlib>
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VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo,const VkAllocationCallbacks* pAllocator,VkDebugUtilsMessengerEXT* pDebugMessenger);
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void DestroyDebugUtilsMessengerEXT(VkInstance instance,VkDebugUtilsMessengerEXT debugMessenger,const VkAllocationCallbacks* pAllocator);
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class HelloTriangleApplication
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class HelloTriangleApplication
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{
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{
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public:
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public:
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HelloTriangleApplication();
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HelloTriangleApplication();
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~HelloTriangleApplication();
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~HelloTriangleApplication();
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void run(int Width, int Height) {
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void run(int Width, int Height) {
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@ -28,8 +30,12 @@ public:
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}
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}
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private:
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private:
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GLFWwindow* window;
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VkInstance instance;
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VkInstance instance;
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VkDebugUtilsMessengerEXT debugMessenger;
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GLFWwindow* initWindow(int Width, int Height);
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GLFWwindow* initWindow(int Width, int Height);
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void createInstance();
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void createInstance();
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@ -39,6 +45,21 @@ private:
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void mainLoop(GLFWwindow* window);
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void mainLoop(GLFWwindow* window);
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void cleanup(GLFWwindow* window);
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void cleanup(GLFWwindow* window);
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bool checkValidationLayerSupport();
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std::vector<const char*> getRequiredExtensions();
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static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
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VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
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VkDebugUtilsMessageTypeFlagsEXT messageTypes,
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const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
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void* pUserData);
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void setupDebugMessenger();
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void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo);
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};
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};
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HelloTriangleApplication::HelloTriangleApplication()
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HelloTriangleApplication::HelloTriangleApplication()
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