Ano-sys
850 lines
33 KiB
C++
850 lines
33 KiB
C++
//
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// Created by timo on 03.04.25.
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//
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#include "vulkan_app.hpp"
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namespace vapp{
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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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const std::vector<const char*> deviceExtensions = {
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VK_KHR_SWAPCHAIN_EXTENSION_NAME,
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};
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static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT *pCallbackData, void *pUserData){
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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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VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT *pCreateInfo, const VkAllocationCallbacks *pAllocator, VkDebugUtilsMessengerEXT *pDebugMessenger){
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auto func = (PFN_vkCreateDebugUtilsMessengerEXT)vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");
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if(func == nullptr) return VK_ERROR_EXTENSION_NOT_PRESENT;
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if(func == nullptr) return VK_ERROR_EXTENSION_NOT_PRESENT;
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return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
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}
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void DestroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger, const VkAllocationCallbacks *pAllocator){
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if(auto func = (PFN_vkDestroyDebugUtilsMessengerEXT)vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT"); func != nullptr){
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func(instance, debugMessenger, pAllocator);
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}
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}
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void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT &createInfo){
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createInfo = {};
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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 | VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
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// set which type of messages the callback is notified about
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createInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
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createInfo.pfnUserCallback = debugCallback;
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}
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static std::vector<char> readFile(const std::string &filename){
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std::ifstream file(filename, std::ios::ate | std::ios::binary);
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if(!file.is_open()){
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throw std::runtime_error("Func: readFile\nError: Failed to open file!");
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}
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size_t fileSize = (size_t)file.tellg();
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std::vector<char> buffer(fileSize);
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file.seekg(0);
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file.read(buffer.data(), fileSize);
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file.close();
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return buffer;
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}
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bool Vulkan::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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for(const char* layerName : validationLayers){
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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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layerFound = true;
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break;
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}
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}
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if(!layerFound) return false;
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}
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return true;
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}
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std::vector<const char*> Vulkan::getRequiredExtensions(){
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uint32_t glfwExtensionCount = 0;
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const char **glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
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std::vector<const char*> extensions(glfwExtensions, glfwExtensions + glfwExtensionCount);
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if(enableValidationLayers) extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
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return extensions;
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}
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void Vulkan::createInstance(){
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if(enableValidationLayers && !checkValidationLayerSupport()){
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throw std::runtime_error("Func: createInstance\nError: Validation Layers requested, but not available!\n");
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}
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VkApplicationInfo appInfo{};
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appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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appInfo.pApplicationName = "Triangle App";
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appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
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appInfo.pEngineName = "No Engine";
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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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VkInstanceCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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createInfo.pApplicationInfo = &appInfo;
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std::vector<const char*> glfwExtensions = getRequiredExtensions();
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createInfo.enabledExtensionCount = static_cast<uint32_t>(glfwExtensions.size());
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createInfo.ppEnabledExtensionNames = glfwExtensions.data();
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VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo{};
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if(enableValidationLayers){
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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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createInfo.enabledLayerCount = 0;
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createInfo.pNext = nullptr;
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}
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if(vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS){
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throw std::runtime_error("Func: createInstance\nError: Failed to create Instance!\n");
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}
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uint32_t extensionCount = 0;
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vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, nullptr);
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std::vector<VkExtensionProperties> extensions(extensionCount);
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vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, extensions.data());
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if(enableValidationLayers){
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std::cout << "Available Extensions (" << extensionCount << "):\n";
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for(VkExtensionProperties extension : extensions){
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std::cout << '\t' << extension.extensionName << '\n';
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}
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}
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}
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void Vulkan::setupDebugMessenger(){
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if(!enableValidationLayers) return;
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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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throw std::runtime_error("Func: setupDebugMessenger\nError: Failed to set up Debug Messenger!\n");
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}
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}
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void Vulkan::pickPhysicalDevice(){
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uint32_t deviceCount = 0;
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vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
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if(deviceCount == 0){
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throw std::runtime_error("Func: pickPhysicalDevice\nError: Failed to find GPUs with Vulkan support!\n");
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}
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std::vector<VkPhysicalDevice> devices(deviceCount);
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vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
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for(VkPhysicalDevice device : devices){
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if(isDeviceSuitable(device)){
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physicalDevice = device;
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break;
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}
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}
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if(physicalDevice == VK_NULL_HANDLE){
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throw std::runtime_error("Func: pickPhysicalDevice\nError: Failed to find suitable GPU!\n");
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}
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}
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void Vulkan::createLogicalDevice(){
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QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
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std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
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std::set<uint32_t> uniqueQueueFamilies = { indices.graphicsFamily.value(), indices.presentFamily.value() };
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float queuePriority = 1.0f;
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for(uint32_t queueFamily : uniqueQueueFamilies){
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VkDeviceQueueCreateInfo queueCreateInfo{};
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queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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queueCreateInfo.queueFamilyIndex = queueFamily;
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queueCreateInfo.queueCount = 1;
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queueCreateInfo.pQueuePriorities = &queuePriority;
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queueCreateInfos.push_back(queueCreateInfo);
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}
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VkPhysicalDeviceFeatures deviceFeatures{};
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VkDeviceCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
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createInfo.pQueueCreateInfos = queueCreateInfos.data();
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createInfo.pEnabledFeatures = &deviceFeatures;
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// not used anymore but sets backwards compatibility
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createInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
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createInfo.ppEnabledExtensionNames = deviceExtensions.data();
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if(enableValidationLayers){
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createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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createInfo.ppEnabledLayerNames = validationLayers.data();
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}
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else{
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createInfo.enabledLayerCount = 0;
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}
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if(vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS){
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throw std::runtime_error("Func: createLogicalDevice\nError: Failed to create logical Device!\n");
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}
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vkGetDeviceQueue(device, indices.graphicsFamily.value(), 0, &graphicsQueue);
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vkGetDeviceQueue(device, indices.presentFamily.value(), 0, &presentQueue);
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}
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QueueFamilyIndices Vulkan::findQueueFamilies(VkPhysicalDevice device){
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QueueFamilyIndices indices;
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uint32_t queueFamilyCount = 0;
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vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
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std::vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
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vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
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int i = 0;
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for(const VkQueueFamilyProperties queueFamily : queueFamilies){
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VkBool32 presentSupport = false;
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vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
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if(presentSupport) indices.presentFamily = i;
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if(queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) indices.graphicsFamily = i;
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if(indices.isComplete()) break;
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i++;
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}
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return indices;
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}
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bool Vulkan::checkDeviceExtensionSupport(VkPhysicalDevice device){
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uint32_t extensionCount;
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vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr);
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std::vector<VkExtensionProperties> availableExtensions(extensionCount);
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vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, availableExtensions.data());
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std::set<std::string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
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for(const VkExtensionProperties& extension : availableExtensions){
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requiredExtensions.erase(extension.extensionName);
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}
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return requiredExtensions.empty();
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}
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bool Vulkan::isDeviceSuitable(VkPhysicalDevice device){
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/*
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VkPhysicalDeviceProperties deviceProperties;
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vkGetPhysicalDeviceProperties(device, &deviceProperties);
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VkPhysicalDeviceFeatures deviceFeatures;
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vkGetPhysicalDeviceFeatures(device, &deviceFeatures);
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return deviceProperties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU && deviceFeatures.geometryShader;
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*/
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QueueFamilyIndices indices = findQueueFamilies(device);
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bool extensionSupported = checkDeviceExtensionSupport(device);
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bool swapChainAdequate = false;
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if(extensionSupported){
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SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
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swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
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}
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return indices.isComplete() && extensionSupported && swapChainAdequate;
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}
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void Vulkan::createSurface(){
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if(glfwCreateWindowSurface(instance, window, nullptr, &surface) != VK_SUCCESS){
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throw std::runtime_error("Func: createSurface\nError: Failed to create Window Surface!\n");
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}
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}
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SwapChainSupportDetails Vulkan::querySwapChainSupport(VkPhysicalDevice device){
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SwapChainSupportDetails details;
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vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &details.capabilities);
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uint32_t formatCount;
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vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, nullptr);
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if(formatCount != 0){
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details.formats.resize(formatCount);
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vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, details.formats.data());
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}
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uint32_t presentModeCount;
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vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, nullptr);
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if(presentModeCount != 0){
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details.presentModes.resize(presentModeCount);
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vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, details.presentModes.data());
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}
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return details;
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}
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VkSurfaceFormatKHR Vulkan::chooseSwapSurfaceFormat(const std::vector<VkSurfaceFormatKHR>& availableFormats){
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for(const VkSurfaceFormatKHR availableFormat : availableFormats){
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if(availableFormat.format == VK_FORMAT_B8G8R8A8_SRGB && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR){
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return availableFormat;
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}
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}
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return availableFormats[0];
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}
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VkPresentModeKHR Vulkan::chooseSwapPresentMode(const std::vector<VkPresentModeKHR> availablePresentModes){
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for(const VkPresentModeKHR availablePresentMode : availablePresentModes){
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if(availablePresentMode == WISHED_PRESENT_MODE){
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return availablePresentMode;
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}
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}
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return VK_PRESENT_MODE_FIFO_KHR; // always available
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}
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VkExtent2D Vulkan::chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities){
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if(capabilities.currentExtent.width != std::numeric_limits<uint32_t>::max()){ return capabilities.currentExtent; }
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int width, height;
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glfwGetFramebufferSize(window, &width, &height);
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VkExtent2D actualExtent = {
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static_cast<uint32_t>(width),
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static_cast<uint32_t>(height)
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};
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actualExtent.width = std::clamp(actualExtent.width, capabilities.minImageExtent.width, capabilities.maxImageExtent.width);
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actualExtent.width = std::clamp(actualExtent.height, capabilities.minImageExtent.height, capabilities.maxImageExtent.height);
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return actualExtent;
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}
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void Vulkan::createSwapChain(){
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SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice);
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VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
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VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
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VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities);
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uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
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if(swapChainSupport.capabilities.maxImageCount > 0 && imageCount > swapChainSupport.capabilities.maxImageCount){
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imageCount = swapChainSupport.capabilities.maxImageCount;
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}
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VkSwapchainCreateInfoKHR createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
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createInfo.surface = surface;
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createInfo.minImageCount = imageCount;
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createInfo.imageFormat = surfaceFormat.format;
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createInfo.imageColorSpace = surfaceFormat.colorSpace;
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createInfo.imageExtent = extent;
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createInfo.imageArrayLayers = 1;
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createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
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QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
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uint32_t queueFamiliyIndices[] = { indices.graphicsFamily.value(), indices.presentFamily.value() };
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if(indices.graphicsFamily != indices.presentFamily){
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createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
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createInfo.queueFamilyIndexCount = 2;
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createInfo.pQueueFamilyIndices = queueFamiliyIndices;
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}
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else{
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createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
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// rest would default which already is
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}
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createInfo.preTransform = swapChainSupport.capabilities.currentTransform;
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createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
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createInfo.presentMode = presentMode;
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createInfo.clipped = VK_TRUE;
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createInfo.oldSwapchain = VK_NULL_HANDLE; // swap chain needs to be recreated when window is resized
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if(vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS){
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throw std::runtime_error("Func: createSwapChain\nError: Failed to create Swap Chain!\n");
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}
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vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
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swapChainImages.resize(imageCount);
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vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
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swapChainImageFormat = surfaceFormat.format;
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swapChainExtent = extent;
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}
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void Vulkan::createImageViews(){
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swapChainImageViews.resize(swapChainImages.size());
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for(size_t i = 0; i < swapChainImages.size(); i++){
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VkImageViewCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
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createInfo.image = swapChainImages[i];
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createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
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createInfo.format = swapChainImageFormat;
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createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
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createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
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createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
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createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
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createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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createInfo.subresourceRange.baseMipLevel = 0;
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createInfo.subresourceRange.levelCount = 1;
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createInfo.subresourceRange.baseArrayLayer = 0;
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createInfo.subresourceRange.layerCount = 1;
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if(vkCreateImageView(device, &createInfo, nullptr, &swapChainImageViews[i]) != VK_SUCCESS){
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throw std::runtime_error("Func: createImageViews\nError: Failed to create Image Views!\n");
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}
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}
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}
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void Vulkan::createGraphicsPipeline(){
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// TODO: find solution for file location
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std::vector<char> vertShaderCode;
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std::vector<char> fragShaderCode;
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try{
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vertShaderCode = readFile("shaders/vert.spv");
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fragShaderCode = readFile("shaders/frag.spv");
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}
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catch(std::exception e){
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std::cout << "Failed to read ./shaders/...\nTrying fallback folders!\n";
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vertShaderCode = readFile("../shaders/vert.spv");
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fragShaderCode = readFile("../shaders/frag.spv");
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}
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VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
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VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
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VkPipelineShaderStageCreateInfo vertShaderStageInfo{};
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vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
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vertShaderStageInfo.module = vertShaderModule;
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vertShaderStageInfo.pName = "main";
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VkPipelineShaderStageCreateInfo fragShaderStageInfo{};
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fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
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fragShaderStageInfo.module = fragShaderModule;
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fragShaderStageInfo.pName = "main";
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VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo, fragShaderStageInfo };
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// Dynamics are done to not reinitialize every pipeline for example resizes
|
|
std::vector<VkDynamicState> dynamicStates = {
|
|
VK_DYNAMIC_STATE_VIEWPORT,
|
|
VK_DYNAMIC_STATE_SCISSOR,
|
|
};
|
|
|
|
VkPipelineDynamicStateCreateInfo dynamicState{};
|
|
dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
|
|
dynamicState.dynamicStateCount = static_cast<uint32_t>(dynamicStates.size());
|
|
dynamicState.pDynamicStates = dynamicStates.data();
|
|
|
|
VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
|
|
vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
|
|
vertexInputInfo.vertexBindingDescriptionCount = 0;
|
|
vertexInputInfo.vertexAttributeDescriptionCount = 0;
|
|
|
|
VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
|
|
inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
|
|
inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
|
|
inputAssembly.primitiveRestartEnable = VK_FALSE;
|
|
|
|
/*
|
|
VkViewport viewport{};
|
|
viewport.x = 0.0f;
|
|
viewport.y = 0.0f;
|
|
viewport.width = (float)swapChainExtent.width;
|
|
viewport.height = (float)swapChainExtent.height;
|
|
viewport.minDepth = 0.0f;
|
|
viewport.maxDepth = 1.0f;
|
|
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
|
|
|
|
VkRect2D scissor{};
|
|
scissor.offset = { 0, 0 };
|
|
scissor.extent = swapChainExtent;
|
|
vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
|
|
*/
|
|
|
|
VkPipelineViewportStateCreateInfo viewportState{};
|
|
viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
|
|
viewportState.viewportCount = 1;
|
|
// viewportState.pViewports = &viewport; // possibly made immutable
|
|
viewportState.scissorCount = 1;
|
|
// viewportState.pScissors = &scissor; // possibly made immutable
|
|
|
|
VkPipelineRasterizationStateCreateInfo rasterizer{};
|
|
rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
|
|
rasterizer.depthClampEnable = VK_FALSE;
|
|
rasterizer.rasterizerDiscardEnable = VK_FALSE;
|
|
rasterizer.polygonMode = VK_POLYGON_MODE_FILL; // INFO: Other render effects
|
|
rasterizer.lineWidth = 1.0f;
|
|
rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
|
|
rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
|
|
rasterizer.depthBiasEnable = VK_FALSE;
|
|
|
|
VkPipelineMultisampleStateCreateInfo multisampling{};
|
|
multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
|
|
multisampling.sampleShadingEnable = VK_FALSE;
|
|
multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
|
|
|
|
VkPipelineColorBlendAttachmentState colorBlendAttachment{};
|
|
colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT
|
|
| VK_COLOR_COMPONENT_G_BIT
|
|
| VK_COLOR_COMPONENT_B_BIT
|
|
| VK_COLOR_COMPONENT_A_BIT;
|
|
colorBlendAttachment.blendEnable = VK_TRUE;
|
|
colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
|
|
colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
|
|
colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD;
|
|
colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
|
|
colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
|
|
colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD;
|
|
|
|
VkPipelineColorBlendStateCreateInfo colorBlending{};
|
|
colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
|
|
colorBlending.logicOpEnable = VK_FALSE;
|
|
colorBlending.attachmentCount = 1;
|
|
colorBlending.pAttachments = &colorBlendAttachment;
|
|
|
|
VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
|
|
pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
|
|
|
|
if(vkCreatePipelineLayout(device, &pipelineLayoutInfo, nullptr, &pipelineLayout) != VK_SUCCESS){
|
|
throw std::runtime_error("Func; createGraphicsPipeline\nError: Failed to create pipeline layout!\n");
|
|
}
|
|
|
|
VkGraphicsPipelineCreateInfo pipelineInfo{};
|
|
pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
|
|
pipelineInfo.stageCount = 2;
|
|
// FINALLY REFERENCE ALL TOGETHER
|
|
pipelineInfo.pStages = shaderStages;
|
|
pipelineInfo.pVertexInputState = &vertexInputInfo;
|
|
pipelineInfo.pInputAssemblyState = &inputAssembly;
|
|
pipelineInfo.pViewportState = &viewportState;
|
|
pipelineInfo.pRasterizationState = &rasterizer;
|
|
pipelineInfo.pMultisampleState = &multisampling;
|
|
pipelineInfo.pDepthStencilState = nullptr; // Optional because {} as initializer
|
|
pipelineInfo.pColorBlendState = &colorBlending;
|
|
pipelineInfo.pDynamicState = &dynamicState;
|
|
pipelineInfo.layout = pipelineLayout;
|
|
pipelineInfo.renderPass = renderPass;
|
|
pipelineInfo.subpass = 0;
|
|
|
|
if(vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS){
|
|
throw std::runtime_error("Func; createGraphicsPipeline\nError: Failed to create graphics pipeline!\n");
|
|
}
|
|
|
|
vkDestroyShaderModule(device, vertShaderModule, nullptr);
|
|
vkDestroyShaderModule(device, fragShaderModule, nullptr);
|
|
}
|
|
|
|
VkShaderModule Vulkan::createShaderModule(const std::vector<char> &code){
|
|
VkShaderModuleCreateInfo createInfo{};
|
|
createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
|
|
createInfo.codeSize = code.size();
|
|
createInfo.pCode = reinterpret_cast<const uint32_t*>(code.data());
|
|
|
|
VkShaderModule shaderModule;
|
|
if(vkCreateShaderModule(device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS){
|
|
throw std::runtime_error("Func: createShaderModule\nError: Failed to create Shader Module!\n");
|
|
}
|
|
|
|
return shaderModule;
|
|
}
|
|
|
|
void Vulkan::createRenderPass(){
|
|
VkAttachmentDescription colorAttachment{};
|
|
colorAttachment.format = swapChainImageFormat;
|
|
colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
|
|
colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
|
colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
|
colorAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
|
colorAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
|
colorAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
|
colorAttachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
|
|
|
|
VkAttachmentReference colorAttachmentRef{};
|
|
colorAttachmentRef.attachment = 0;
|
|
colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
|
|
|
|
VkSubpassDescription subpass{};
|
|
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
|
subpass.colorAttachmentCount = 1;
|
|
subpass.pColorAttachments = &colorAttachmentRef;
|
|
|
|
VkSubpassDependency dependency{};
|
|
dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
|
|
dependency.dstSubpass = 0;
|
|
dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
|
dependency.srcAccessMask = 0;
|
|
dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
|
dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
|
|
|
VkRenderPassCreateInfo renderPassInfo{};
|
|
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
|
|
renderPassInfo.attachmentCount = 1;
|
|
renderPassInfo.pAttachments = &colorAttachment;
|
|
renderPassInfo.subpassCount = 1;
|
|
renderPassInfo.pSubpasses = &subpass;
|
|
renderPassInfo.dependencyCount = 1;
|
|
renderPassInfo.pDependencies = &dependency;
|
|
|
|
if(vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass) != VK_SUCCESS){
|
|
throw std::runtime_error("Func: createRenderPass\nError: Failed to create render pass!\n");
|
|
}
|
|
}
|
|
|
|
void Vulkan::createFrameBuffers(){
|
|
swapChainFramebuffers.resize(swapChainImageViews.size());
|
|
|
|
for(size_t i = 0; i < swapChainImageViews.size(); i++){
|
|
VkImageView attachements[] = { swapChainImageViews[i] };
|
|
|
|
VkFramebufferCreateInfo framebufferInfo{};
|
|
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
|
|
framebufferInfo.renderPass = renderPass;
|
|
framebufferInfo.attachmentCount = 1;
|
|
framebufferInfo.pAttachments = attachements;
|
|
framebufferInfo.width = swapChainExtent.width;
|
|
framebufferInfo.height = swapChainExtent.height;
|
|
framebufferInfo.layers = 1;
|
|
|
|
if(vkCreateFramebuffer(device, &framebufferInfo, nullptr, &swapChainFramebuffers[i]) != VK_SUCCESS){
|
|
throw std::runtime_error("Func: createFrameBuffers\nError: Failed to create Framebuffer!\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
void Vulkan::createCommandPool(){
|
|
QueueFamilyIndices queueFamilyIndices = findQueueFamilies(physicalDevice);
|
|
VkCommandPoolCreateInfo poolInfo{};
|
|
poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
|
|
poolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
|
|
poolInfo.queueFamilyIndex = queueFamilyIndices.graphicsFamily.value();
|
|
|
|
if(vkCreateCommandPool(device, &poolInfo, nullptr, &commandPool) != VK_SUCCESS){
|
|
throw std::runtime_error("Func: createCommandPool\nError: Failed to create Command Pool!\n");
|
|
}
|
|
}
|
|
|
|
void Vulkan::createCommandBuffer(){
|
|
VkCommandBufferAllocateInfo allocInfo{};
|
|
allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
|
|
allocInfo.commandPool = commandPool;
|
|
allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
|
|
allocInfo.commandBufferCount = 1;
|
|
|
|
if(vkAllocateCommandBuffers(device, &allocInfo, &commandBuffer) != VK_SUCCESS){
|
|
throw std::runtime_error("Func: createCommandBuffer\nError: Failed to allocate Command Buffers!\n");
|
|
}
|
|
}
|
|
|
|
void Vulkan::recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t imageIndex){
|
|
VkCommandBufferBeginInfo beginInfo{};
|
|
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
|
|
|
|
if(vkBeginCommandBuffer(commandBuffer, &beginInfo) != VK_SUCCESS){
|
|
throw std::runtime_error("Func: recordCommandBuffer\nError: Failed to begin recording command buffer!\n");
|
|
}
|
|
|
|
VkRenderPassBeginInfo renderPassInfo{};
|
|
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
|
|
renderPassInfo.renderPass = renderPass;
|
|
renderPassInfo.framebuffer = swapChainFramebuffers[imageIndex];
|
|
renderPassInfo.renderArea.offset = { 0, 0 };
|
|
renderPassInfo.renderArea.extent = swapChainExtent;
|
|
|
|
VkClearValue clearColor = {{{0.0f, 0.0f, 0.0f, 1.0f}}}; // Background color after clear (Black 100%)
|
|
renderPassInfo.clearValueCount = 1;
|
|
renderPassInfo.pClearValues = &clearColor;
|
|
|
|
vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
|
|
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
|
|
|
|
VkViewport viewport{};
|
|
viewport.x = 0.0f;
|
|
viewport.y = 0.0f;
|
|
viewport.width = (float)swapChainExtent.width;
|
|
viewport.height = (float)swapChainExtent.height;
|
|
viewport.minDepth = 0.0f;
|
|
viewport.maxDepth = 1.0f;
|
|
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
|
|
|
|
VkRect2D scissor{};
|
|
scissor.offset = { 0, 0 };
|
|
scissor.extent = swapChainExtent;
|
|
vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
|
|
|
|
vkCmdDraw(commandBuffer, 3, 1, 0, 0);
|
|
|
|
vkCmdEndRenderPass(commandBuffer);
|
|
if(vkEndCommandBuffer(commandBuffer) != VK_SUCCESS){
|
|
throw std::runtime_error("Func: recordCommandBuffer\nError: Failed to record command buffer!\n");
|
|
}
|
|
}
|
|
|
|
void Vulkan::createSyncObjects(){
|
|
VkSemaphoreCreateInfo semaphoreInfo{};
|
|
semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
|
|
|
|
VkFenceCreateInfo fenceInfo{};
|
|
fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
|
|
fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
|
|
|
|
if(vkCreateSemaphore(device, &semaphoreInfo, nullptr, &imageAvailableSemaphore) != VK_SUCCESS
|
|
|| vkCreateSemaphore(device, &semaphoreInfo, nullptr, &renderFinishedSemaphore) != VK_SUCCESS
|
|
|| vkCreateFence(device, &fenceInfo, nullptr, &inFlightFence) != VK_SUCCESS){
|
|
throw std::runtime_error("Func: createSyncObjects\nError: Failed to create semaphores!\n");
|
|
}
|
|
}
|
|
|
|
void Vulkan::drawFrame(){
|
|
vkWaitForFences(device, 1, &inFlightFence, VK_TRUE, UINT64_MAX);
|
|
vkResetFences(device, 1, &inFlightFence);
|
|
|
|
uint32_t imageIndex;
|
|
vkAcquireNextImageKHR(device, swapChain, UINT64_MAX, imageAvailableSemaphore, VK_NULL_HANDLE, &imageIndex);
|
|
|
|
vkResetCommandBuffer(commandBuffer, 0);
|
|
recordCommandBuffer(commandBuffer, imageIndex);
|
|
|
|
VkSubmitInfo submitInfo{};
|
|
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
|
|
|
|
VkSemaphore waitSemaphores[] = { imageAvailableSemaphore };
|
|
VkPipelineStageFlags waitStages[] = { VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT };
|
|
|
|
submitInfo.waitSemaphoreCount = 1;
|
|
submitInfo.pWaitSemaphores = waitSemaphores;
|
|
submitInfo.pWaitDstStageMask = waitStages;
|
|
submitInfo.commandBufferCount = 1;
|
|
submitInfo.pCommandBuffers = &commandBuffer;
|
|
|
|
VkSemaphore signalSemaphore[] = { renderFinishedSemaphore };
|
|
submitInfo.signalSemaphoreCount = 1;
|
|
submitInfo.pSignalSemaphores = signalSemaphore;
|
|
|
|
if(vkQueueSubmit(graphicsQueue, 1, &submitInfo, inFlightFence) != VK_SUCCESS){
|
|
throw std::runtime_error("Func: drawFrame\nError: Failed to submit draw command buffer!\n");
|
|
}
|
|
|
|
VkPresentInfoKHR presentInfo{};
|
|
presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
|
|
presentInfo.waitSemaphoreCount = 1;
|
|
presentInfo.pWaitSemaphores = signalSemaphore;
|
|
|
|
VkSwapchainKHR swapChains[] = { swapChain };
|
|
presentInfo.swapchainCount = 1;
|
|
presentInfo.pSwapchains = swapChains;
|
|
presentInfo.pImageIndices = &imageIndex;
|
|
|
|
vkQueuePresentKHR(presentQueue, &presentInfo);
|
|
}
|
|
|
|
void Vulkan::initWindow(){
|
|
glfwInit();
|
|
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); // tell glfw to not use opengl
|
|
glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE); // disable window resize
|
|
this->window = glfwCreateWindow(static_cast<int>(_width), static_cast<int>(_height), "Vulkan", nullptr, nullptr);
|
|
}
|
|
|
|
void Vulkan::initVulkan(){
|
|
createInstance();
|
|
setupDebugMessenger();
|
|
createSurface();
|
|
pickPhysicalDevice();
|
|
createLogicalDevice();
|
|
createSwapChain();
|
|
createImageViews();
|
|
createRenderPass();
|
|
createGraphicsPipeline();
|
|
createFrameBuffers();
|
|
createCommandPool();
|
|
createCommandBuffer();
|
|
createSyncObjects();
|
|
}
|
|
|
|
void Vulkan::mainLoop(){
|
|
while(!glfwWindowShouldClose(this->window)){
|
|
// glfwSwapBuffers(window);
|
|
glfwPollEvents();
|
|
drawFrame();
|
|
}
|
|
vkDeviceWaitIdle(device);
|
|
}
|
|
|
|
void Vulkan::cleanup(){
|
|
// Vulkan
|
|
vkDestroySemaphore(device, imageAvailableSemaphore, nullptr);
|
|
vkDestroySemaphore(device, renderFinishedSemaphore, nullptr);
|
|
vkDestroyFence(device, inFlightFence, nullptr);
|
|
|
|
vkDestroyCommandPool(device, commandPool, nullptr);
|
|
|
|
for(VkFramebuffer framebuffer : swapChainFramebuffers){
|
|
vkDestroyFramebuffer(device, framebuffer, nullptr);
|
|
}
|
|
|
|
vkDestroyPipeline(device, graphicsPipeline, nullptr);
|
|
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
|
vkDestroyRenderPass(device, renderPass, nullptr);
|
|
|
|
for(VkImageView imageView : swapChainImageViews){
|
|
vkDestroyImageView(device, imageView, nullptr);
|
|
}
|
|
|
|
vkDestroySwapchainKHR(device, swapChain, nullptr);
|
|
vkDestroyDevice(device, nullptr);
|
|
|
|
if(enableValidationLayers){
|
|
DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
|
|
}
|
|
|
|
vkDestroySurfaceKHR(instance, surface, nullptr);
|
|
vkDestroyInstance(instance, nullptr);
|
|
|
|
vkDestroyInstance(instance, nullptr);
|
|
|
|
// GLFW
|
|
glfwDestroyWindow(this->window);
|
|
glfwTerminate();
|
|
}
|
|
|
|
void Vulkan::run(const uint32_t width, const uint32_t height){
|
|
this->_width = width;
|
|
this->_height = height;
|
|
|
|
initWindow();
|
|
initVulkan();
|
|
mainLoop();
|
|
cleanup();
|
|
}
|
|
} |