Reorganized files
This commit is contained in:
Ano-sys
@@ -1,930 +1,14 @@
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//
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// Created by timo on 28.03.25.
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//
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#define DEBUG 1
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#define GLFW_INCLUDE_VULKAN
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#include <GLFW/glfw3.h>
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#include <iostream>
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#include <stdexcept>
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#include <cstdlib>
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#include <cstring>
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#include <cstdint>
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#include <vector>
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#include <optional>
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#include <set>
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#include <limits>
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#include <algorithm>
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#include <fstream>
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#ifdef DEBUG
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const bool enableValidationLayers = true;
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#else
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const bool enableValidationLayers = false;
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#endif
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const VkPresentModeKHR WISHED_PRESENT_MODE = VK_PRESENT_MODE_MAILBOX_KHR;
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typedef struct {
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std::optional<uint32_t> graphicsFamily;
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std::optional<uint32_t> presentFamily;
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bool isComplete(){
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return graphicsFamily.has_value();
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}
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} QueueFamilyIndices;
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typedef struct{
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VkSurfaceCapabilitiesKHR capabilities;
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std::vector<VkSurfaceFormatKHR> formats;
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std::vector<VkPresentModeKHR> presentModes;
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} SwapChainSupportDetails;
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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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bool 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*> 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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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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class TriangleApp{
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private:
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GLFWwindow *window;
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uint32_t _width, _height;
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VkInstance instance;
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VkDebugUtilsMessengerEXT debugMessenger;
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VkSurfaceKHR surface;
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VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
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VkDevice device;
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VkQueue graphicsQueue;
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VkQueue presentQueue;
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VkSwapchainKHR swapChain;
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std::vector<VkImage> swapChainImages;
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VkFormat swapChainImageFormat;
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VkExtent2D swapChainExtent;
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std::vector<VkImageView> swapChainImageViews;
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VkRenderPass renderPass;
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VkPipelineLayout pipelineLayout;
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VkPipeline graphicsPipeline;
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VkCommandPool commandPool;
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VkCommandBuffer commandBuffer;
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VkSemaphore imageAvailableSemaphore, renderFinishedSemaphore;
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VkFence inFlightFence;
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std::vector<VkFramebuffer> swapChainFramebuffers;
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void 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 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 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 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 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 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 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 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 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 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 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 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 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
|
||||
|
||||
if(vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS){
|
||||
throw std::runtime_error("Func: createSwapChain\nError: Failed to create Swap Chain!\n");
|
||||
}
|
||||
|
||||
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
|
||||
swapChainImages.resize(imageCount);
|
||||
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
|
||||
|
||||
swapChainImageFormat = surfaceFormat.format;
|
||||
swapChainExtent = extent;
|
||||
}
|
||||
|
||||
void createImageViews(){
|
||||
swapChainImageViews.resize(swapChainImages.size());
|
||||
|
||||
for(size_t i = 0; i < swapChainImages.size(); i++){
|
||||
VkImageViewCreateInfo createInfo{};
|
||||
createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
||||
createInfo.image = swapChainImages[i];
|
||||
|
||||
createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
||||
createInfo.format = swapChainImageFormat;
|
||||
|
||||
createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
|
||||
createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
|
||||
createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
|
||||
createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
|
||||
|
||||
createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
createInfo.subresourceRange.baseMipLevel = 0;
|
||||
createInfo.subresourceRange.levelCount = 1;
|
||||
createInfo.subresourceRange.baseArrayLayer = 0;
|
||||
createInfo.subresourceRange.layerCount = 1;
|
||||
|
||||
if(vkCreateImageView(device, &createInfo, nullptr, &swapChainImageViews[i]) != VK_SUCCESS){
|
||||
throw std::runtime_error("Func: createImageViews\nError: Failed to create Image Views!\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void createGraphicsPipeline(){
|
||||
// TODO: find solution for file location
|
||||
std::vector<char> vertShaderCode;
|
||||
std::vector<char> fragShaderCode;
|
||||
try{
|
||||
vertShaderCode = readFile("shaders/vert.spv");
|
||||
fragShaderCode = readFile("shaders/frag.spv");
|
||||
}
|
||||
catch(std::exception e){
|
||||
std::cout << "Failed to read ./shaders/...\nTrying fallback folders!\n";
|
||||
vertShaderCode = readFile("../shaders/vert.spv");
|
||||
fragShaderCode = readFile("../shaders/frag.spv");
|
||||
}
|
||||
|
||||
VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
|
||||
VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
|
||||
|
||||
VkPipelineShaderStageCreateInfo vertShaderStageInfo{};
|
||||
vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
||||
vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
|
||||
vertShaderStageInfo.module = vertShaderModule;
|
||||
vertShaderStageInfo.pName = "main";
|
||||
|
||||
VkPipelineShaderStageCreateInfo fragShaderStageInfo{};
|
||||
fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
||||
fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
|
||||
fragShaderStageInfo.module = fragShaderModule;
|
||||
fragShaderStageInfo.pName = "main";
|
||||
|
||||
VkPipelineShaderStageCreateInfo shaderStages[] = { vertShaderStageInfo, fragShaderStageInfo };
|
||||
|
||||
// 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; // 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 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 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 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 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 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 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 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 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 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 initVulkan(){
|
||||
createInstance();
|
||||
setupDebugMessenger();
|
||||
createSurface();
|
||||
pickPhysicalDevice();
|
||||
createLogicalDevice();
|
||||
createSwapChain();
|
||||
createImageViews();
|
||||
createRenderPass();
|
||||
createGraphicsPipeline();
|
||||
createFrameBuffers();
|
||||
createCommandPool();
|
||||
createCommandBuffer();
|
||||
createSyncObjects();
|
||||
}
|
||||
|
||||
void mainLoop(){
|
||||
while(!glfwWindowShouldClose(this->window)){
|
||||
// glfwSwapBuffers(window);
|
||||
glfwPollEvents();
|
||||
drawFrame();
|
||||
}
|
||||
}
|
||||
|
||||
void 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();
|
||||
}
|
||||
|
||||
public:
|
||||
void run(const uint32_t width = 800, const uint32_t height = 600){
|
||||
this->_width = width;
|
||||
this->_height = height;
|
||||
|
||||
initWindow();
|
||||
initVulkan();
|
||||
mainLoop();
|
||||
cleanup();
|
||||
}
|
||||
};
|
||||
#include "vulkan/vulkan_app.hpp"
|
||||
|
||||
int main(){
|
||||
try{
|
||||
TriangleApp app;
|
||||
app.run();
|
||||
vapp::Vulkan app;
|
||||
app.run(1200, 900);
|
||||
}
|
||||
catch(const std::exception& e){
|
||||
std::cerr << e.what() << std::endl;
|
||||
|
||||
Reference in New Issue
Block a user