ok ok ok ok ok ok i got something
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482
src/main.cpp
482
src/main.cpp
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@ -1,80 +1,30 @@
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#define VULKAN_HPP_NO_CONSTRUCTORS
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#include <vulkan/vulkan.hpp>
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#define GLFW_INCLUDE_NONE
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#define GLFW_INCLUDE_VULKAN
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#include <GLFW/glfw3.h>
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#include <algorithm>
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#include <cstdlib>
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#include <cstring>
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#include <fmt/format.h>
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#include <iostream>
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#include <limits>
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#include <optional>
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#include <set>
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#include <span>
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#include <stdexcept>
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#include "util/magic_enum.hpp"
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#define VULKAN_HPP_NO_CONSTRUCTORS
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#include <vulkan/vulkan.hpp>
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#include "fmt/base.h"
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#include "util/types.h"
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const u32 WIDTH = 800;
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const u32 HEIGHT = 600;
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constexpr int WIDTH = 800;
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constexpr int HEIGHT = 600;
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const std::array<const char*, 1> deviceExtensions = { VK_KHR_SWAPCHAIN_EXTENSION_NAME };
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const std::array<const char*, 1> validationLayers = { "VK_LAYER_KHRONOS_validation" };
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constexpr std::array<const char*, 1> validationLayers = { "VK_LAYER_KHRONOS_validation" };
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#ifdef NDEBUG
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const bool enableValidationLayers = false;
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constexpr bool enableValidationLayers = false;
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#else
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const bool enableValidationLayers = true;
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constexpr bool enableValidationLayers = true;
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#endif
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fn CreateDebugUtilsMessengerEXT(
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VkInstance instance,
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const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo,
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const VkAllocationCallbacks* pAllocator,
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VkDebugUtilsMessengerEXT* pDebugMessenger
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) -> VkResult {
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auto func = std::bit_cast<PFN_vkCreateDebugUtilsMessengerEXT>(
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vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT")
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);
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if (func != nullptr)
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return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
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return VK_ERROR_EXTENSION_NOT_PRESENT;
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}
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fn DestroyDebugUtilsMessengerEXT(
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VkInstance instance,
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VkDebugUtilsMessengerEXT debugMessenger,
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const VkAllocationCallbacks* pAllocator
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) -> void {
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auto func = std::bit_cast<PFN_vkDestroyDebugUtilsMessengerEXT>(
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vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT")
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);
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if (func != nullptr)
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func(instance, debugMessenger, pAllocator);
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}
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struct QueueFamilyIndices {
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std::optional<u32> graphics_family;
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std::optional<u32> present_family;
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fn isComplete() -> bool { return graphics_family.has_value() && present_family.has_value(); }
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};
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struct SwapChainSupportDetails {
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VkSurfaceCapabilitiesKHR capabilities;
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std::vector<VkSurfaceFormatKHR> formats;
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std::vector<VkPresentModeKHR> present_modes;
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};
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class Application {
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class HelloTriangleApplication {
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public:
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fn run() -> void {
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void run() {
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initWindow();
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initVulkan();
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mainLoop();
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@ -84,58 +34,52 @@ class Application {
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private:
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GLFWwindow* mWindow;
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VkInstance mInstance;
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VkDebugUtilsMessengerEXT mDebugMessenger;
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VkSurfaceKHR mSurface;
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vk::UniqueInstance mInstance;
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VkPhysicalDevice mPhysicalDevice = VK_NULL_HANDLE;
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VkDevice mDevice;
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vk::UniqueHandle<vk::DebugUtilsMessengerEXT, vk::DispatchLoaderDynamic> mDebugMessenger;
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vk::DispatchLoaderDynamic mLoader;
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VkQueue mGraphicsQueue;
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VkQueue mPresentQueue;
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VkSwapchainKHR mSwapChain;
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std::vector<VkImage> mSwapChainImages;
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VkFormat mSwapChainImageFormat;
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VkExtent2D mSwapChainExtent;
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std::vector<VkImageView> mSwapChainImageViews;
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fn initWindow() -> void {
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if (glfwInit() == GLFW_FALSE)
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throw std::runtime_error("Failed to initialize GLFW!");
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void initWindow() {
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glfwInit();
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
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if (mWindow = glfwCreateWindow(WIDTH, HEIGHT, "Vulkan", nullptr, nullptr); mWindow == nullptr)
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throw std::runtime_error("Failed to create GLFW window!");
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mWindow = glfwCreateWindow(WIDTH, HEIGHT, "Vulkan", nullptr, nullptr);
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}
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fn initVulkan() -> void {
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void initVulkan() {
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createInstance();
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setupDebugMessenger();
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createSurface();
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pickPhysicalDevice();
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createLogicalDevice();
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createSwapChain();
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createImageViews();
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}
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fn mainLoop() -> void {
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void setupDebugMessenger() {
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if (!enableValidationLayers)
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return;
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auto messengerCreateInfo = vk::DebugUtilsMessengerCreateInfoEXT()
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.setMessageSeverity(
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vk::DebugUtilsMessageSeverityFlagBitsEXT::eVerbose |
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vk::DebugUtilsMessageSeverityFlagBitsEXT::eWarning |
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vk::DebugUtilsMessageSeverityFlagBitsEXT::eError
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)
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.setMessageType(
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vk::DebugUtilsMessageTypeFlagBitsEXT::eGeneral |
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vk::DebugUtilsMessageTypeFlagBitsEXT::ePerformance |
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vk::DebugUtilsMessageTypeFlagBitsEXT::eValidation
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)
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.setPfnUserCallback(debugCallback)
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.setPUserData(nullptr); // Optional
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mDebugMessenger = mInstance->createDebugUtilsMessengerEXTUnique(messengerCreateInfo, nullptr, mLoader);
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}
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void mainLoop() {
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while (!glfwWindowShouldClose(mWindow)) { glfwPollEvents(); }
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}
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fn cleanup() -> void {
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for (VkImageView_T* imageView : mSwapChainImageViews) { vkDestroyImageView(mDevice, imageView, nullptr); }
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vkDestroySwapchainKHR(mDevice, mSwapChain, nullptr);
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vkDestroyDevice(mDevice, nullptr);
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if (enableValidationLayers)
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DestroyDebugUtilsMessengerEXT(mInstance, mDebugMessenger, nullptr);
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vkDestroySurfaceKHR(mInstance, mSurface, nullptr);
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vkDestroyInstance(mInstance, nullptr);
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void cleanup() {
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// NOTE: instance destruction is handled by UniqueInstance
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glfwDestroyWindow(mWindow);
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@ -150,7 +94,7 @@ class Application {
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.applicationVersion = 1,
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.pEngineName = "No Engine",
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.engineVersion = 1,
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.apiVersion = VK_API_VERSION_1_1 };
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.apiVersion = VK_API_VERSION_1_0 };
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vk::InstanceCreateInfo createInfo { .pApplicationInfo = &appInfo };
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@ -162,7 +106,6 @@ class Application {
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createInfo.setEnabledLayerCount(static_cast<uint32_t>(validationLayers.size()))
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.setPpEnabledLayerNames(validationLayers.data());
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populateDebugMessengerCreateInfo(debugCreateInfo);
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createInfo.setPNext(&debugCreateInfo);
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} else {
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createInfo.setEnabledLayerCount(0).setPNext(nullptr);
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@ -174,312 +117,35 @@ class Application {
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.setPpEnabledExtensionNames(extensions.data())
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.setFlags(vk::InstanceCreateFlagBits::eEnumeratePortabilityKHR);
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for (const char* extension : extensions) std::cout << extension << std::endl;
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fmt::println("Available extensions:");
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for (const char* extension : extensions) fmt::println("\t{}", extension);
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try {
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mInstance = vk::createInstance(createInfo);
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mInstance = vk::createInstanceUnique(createInfo);
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mLoader = vk::DispatchLoaderDynamic(mInstance.get(), vkGetInstanceProcAddr);
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} catch (const vk::SystemError& err) {
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throw std::runtime_error("Failed to create instance: " + std::string(err.what()));
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}
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}
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static fn populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo) -> void {
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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 |
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VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT |
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VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
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createInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT |
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VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT |
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VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
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createInfo.pfnUserCallback = debugCallback;
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}
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static fn checkValidationLayerSupport() -> bool {
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std::vector<vk::LayerProperties> availableLayers = vk::enumerateInstanceLayerProperties();
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fn setupDebugMessenger() -> void {
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if (!enableValidationLayers)
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return;
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for (const char* layerName : validationLayers) {
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bool layerFound = false;
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VkDebugUtilsMessengerCreateInfoEXT createInfo;
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populateDebugMessengerCreateInfo(createInfo);
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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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if (CreateDebugUtilsMessengerEXT(mInstance, &createInfo, nullptr, &mDebugMessenger) != VK_SUCCESS)
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throw std::runtime_error("failed to set up debug messenger!");
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}
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fn createSurface() -> void {
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if (VkResult result = glfwCreateWindowSurface(mInstance, mWindow, nullptr, &mSurface);
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result != VK_SUCCESS)
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throw std::runtime_error(
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"Failed to create window surface! Error: " + string(magic_enum::enum_name(result))
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);
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}
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fn pickPhysicalDevice() -> void {
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u32 deviceCount = 0;
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vkEnumeratePhysicalDevices(mInstance, &deviceCount, nullptr);
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if (deviceCount == 0)
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throw std::runtime_error("failed to find GPUs with Vulkan support!");
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std::vector<VkPhysicalDevice> devices(deviceCount);
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vkEnumeratePhysicalDevices(mInstance, &deviceCount, devices.data());
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for (const auto& device : devices)
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if (isDeviceSuitable(device)) {
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mPhysicalDevice = device;
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break;
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}
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if (mPhysicalDevice == VK_NULL_HANDLE)
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throw std::runtime_error("failed to find a suitable GPU!");
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}
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fn createLogicalDevice() -> void {
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QueueFamilyIndices indices = findQueueFamilies(mPhysicalDevice);
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std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
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std::set<u32> uniqueQueueFamilies = { indices.graphics_family.value(), indices.present_family.value() };
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f32 queuePriority = 1.0F;
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for (u32 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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if (!layerFound)
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return false;
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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<u32>(queueCreateInfos.size());
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createInfo.pQueueCreateInfos = queueCreateInfos.data();
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createInfo.pEnabledFeatures = &deviceFeatures;
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createInfo.enabledExtensionCount = static_cast<u32>(deviceExtensions.size());
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createInfo.ppEnabledExtensionNames = deviceExtensions.data();
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if (enableValidationLayers) {
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createInfo.enabledLayerCount = static_cast<u32>(validationLayers.size());
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createInfo.ppEnabledLayerNames = validationLayers.data();
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} else {
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createInfo.enabledLayerCount = 0;
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}
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if (vkCreateDevice(mPhysicalDevice, &createInfo, nullptr, &mDevice) != VK_SUCCESS) {
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throw std::runtime_error("failed to create logical device!");
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}
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vkGetDeviceQueue(mDevice, indices.graphics_family.value(), 0, &mGraphicsQueue);
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vkGetDeviceQueue(mDevice, indices.present_family.value(), 0, &mPresentQueue);
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}
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fn createSwapChain() -> void {
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SwapChainSupportDetails swapChainSupport = querySwapChainSupport(mPhysicalDevice);
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VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
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VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.present_modes);
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VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities);
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u32 imageCount = swapChainSupport.capabilities.minImageCount + 1;
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if (swapChainSupport.capabilities.maxImageCount > 0 &&
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imageCount > swapChainSupport.capabilities.maxImageCount)
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imageCount = swapChainSupport.capabilities.maxImageCount;
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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 = mSurface;
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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(mPhysicalDevice);
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std::array<u32, 2> queueFamilyIndices = { indices.graphics_family.value(),
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indices.present_family.value() };
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if (indices.graphics_family != indices.present_family) {
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createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
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createInfo.queueFamilyIndexCount = 2;
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createInfo.pQueueFamilyIndices = queueFamilyIndices.data();
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} else {
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createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
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createInfo.queueFamilyIndexCount = 0; // Optional
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createInfo.pQueueFamilyIndices = nullptr; // Optional
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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;
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if (vkCreateSwapchainKHR(mDevice, &createInfo, nullptr, &mSwapChain) != VK_SUCCESS)
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throw std::runtime_error("Failed to create swap chain!");
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vkGetSwapchainImagesKHR(mDevice, mSwapChain, &imageCount, nullptr);
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mSwapChainImages.resize(imageCount);
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vkGetSwapchainImagesKHR(mDevice, mSwapChain, &imageCount, mSwapChainImages.data());
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mSwapChainImageFormat = surfaceFormat.format;
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mSwapChainExtent = extent;
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}
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fn createImageViews() -> void {
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mSwapChainImageViews.resize(mSwapChainImages.size());
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for (usize i = 0; i < mSwapChainImages.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 = mSwapChainImages[i];
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createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
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createInfo.format = mSwapChainImageFormat;
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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(mDevice, &createInfo, nullptr, &mSwapChainImageViews[i]) != VK_SUCCESS)
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throw std::runtime_error("Failed to create image views!");
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}
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}
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static fn chooseSwapSurfaceFormat(const std::vector<VkSurfaceFormatKHR>& availableFormats
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) -> VkSurfaceFormatKHR {
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for (const auto& availableFormat : availableFormats) {
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if (availableFormat.format == VK_FORMAT_B8G8R8A8_SRGB &&
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availableFormat.colorSpace == VK_COLORSPACE_SRGB_NONLINEAR_KHR)
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return availableFormat;
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}
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return availableFormats[0];
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}
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static fn chooseSwapPresentMode(const std::vector<VkPresentModeKHR>& availablePresentModes
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) -> VkPresentModeKHR {
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for (const auto& availablePresentMode : availablePresentModes)
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if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR)
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return availablePresentMode;
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return VK_PRESENT_MODE_FIFO_KHR;
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}
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fn chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities) -> VkExtent2D {
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if (capabilities.currentExtent.width != std::numeric_limits<u32>::max()) {
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return capabilities.currentExtent;
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}
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int width = 0, height = 0;
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glfwGetFramebufferSize(mWindow, &width, &height);
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VkExtent2D actualExtent = { static_cast<u32>(width), static_cast<u32>(height) };
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actualExtent.width =
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std::clamp(actualExtent.width, capabilities.minImageExtent.width, capabilities.maxImageExtent.width);
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actualExtent.height =
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std::clamp(actualExtent.height, capabilities.minImageExtent.height, capabilities.maxImageExtent.height);
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return actualExtent;
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}
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fn querySwapChainSupport(VkPhysicalDevice device) -> SwapChainSupportDetails {
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SwapChainSupportDetails details;
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vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, mSurface, &details.capabilities);
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|
||||
u32 formatCount = 0;
|
||||
vkGetPhysicalDeviceSurfaceFormatsKHR(device, mSurface, &formatCount, nullptr);
|
||||
|
||||
if (formatCount != 0) {
|
||||
details.formats.resize(formatCount);
|
||||
vkGetPhysicalDeviceSurfaceFormatsKHR(device, mSurface, &formatCount, details.formats.data());
|
||||
}
|
||||
|
||||
u32 presentModeCount = 0;
|
||||
vkGetPhysicalDeviceSurfacePresentModesKHR(device, mSurface, &presentModeCount, nullptr);
|
||||
|
||||
if (presentModeCount != 0) {
|
||||
details.present_modes.resize(presentModeCount);
|
||||
vkGetPhysicalDeviceSurfacePresentModesKHR(
|
||||
device, mSurface, &presentModeCount, details.present_modes.data()
|
||||
);
|
||||
}
|
||||
|
||||
return details;
|
||||
}
|
||||
|
||||
fn isDeviceSuitable(VkPhysicalDevice device) -> bool {
|
||||
QueueFamilyIndices indices = findQueueFamilies(device);
|
||||
|
||||
const bool extensionsSupported = checkDeviceExtensionSupport(device);
|
||||
|
||||
bool swapChainAdequate = false;
|
||||
|
||||
if (extensionsSupported) {
|
||||
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
|
||||
swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.present_modes.empty();
|
||||
}
|
||||
|
||||
return indices.isComplete() && extensionsSupported && swapChainAdequate;
|
||||
}
|
||||
|
||||
static fn checkDeviceExtensionSupport(VkPhysicalDevice device) -> bool {
|
||||
u32 extensionCount = 0;
|
||||
vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr);
|
||||
|
||||
std::vector<VkExtensionProperties> availableExtensions(extensionCount);
|
||||
vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, availableExtensions.data());
|
||||
|
||||
std::set<string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
|
||||
|
||||
for (const VkExtensionProperties& extension : availableExtensions)
|
||||
requiredExtensions.erase(static_cast<const char*>(extension.extensionName));
|
||||
|
||||
return requiredExtensions.empty();
|
||||
}
|
||||
|
||||
fn findQueueFamilies(VkPhysicalDevice device) -> QueueFamilyIndices {
|
||||
QueueFamilyIndices indices;
|
||||
|
||||
u32 queueFamilyCount = 0;
|
||||
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
|
||||
|
||||
std::vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
|
||||
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
|
||||
|
||||
u32 idx = 0;
|
||||
|
||||
for (const auto& queueFamily : queueFamilies) {
|
||||
if (queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT)
|
||||
indices.graphics_family = idx;
|
||||
|
||||
VkBool32 presentSupport = false;
|
||||
vkGetPhysicalDeviceSurfaceSupportKHR(device, idx, mSurface, &presentSupport);
|
||||
|
||||
if (presentSupport)
|
||||
indices.present_family = idx;
|
||||
|
||||
if (indices.isComplete())
|
||||
break;
|
||||
|
||||
idx++;
|
||||
}
|
||||
|
||||
return indices;
|
||||
return true;
|
||||
}
|
||||
|
||||
static fn getRequiredExtensions() -> std::vector<const char*> {
|
||||
|
|
@ -499,44 +165,20 @@ class Application {
|
|||
return extensions;
|
||||
}
|
||||
|
||||
static fn checkValidationLayerSupport() -> bool {
|
||||
u32 layerCount = 0;
|
||||
vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
|
||||
|
||||
std::vector<VkLayerProperties> availableLayers(layerCount);
|
||||
vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());
|
||||
|
||||
for (const char* layerName : validationLayers) {
|
||||
bool layerFound = false;
|
||||
|
||||
for (const auto& layerProperties : availableLayers) {
|
||||
if (strcmp(layerName, static_cast<const char*>(layerProperties.layerName)) == 0) {
|
||||
layerFound = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!layerFound)
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static VKAPI_ATTR fn VKAPI_CALL debugCallback(
|
||||
VkDebugUtilsMessageSeverityFlagBitsEXT /*messageSeverity*/,
|
||||
VkDebugUtilsMessageTypeFlagsEXT /*messageType*/,
|
||||
const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
|
||||
void* /*pUserData*/
|
||||
) -> VkBool32 {
|
||||
fmt::println("Validation Layer: {}", pCallbackData->pMessage);
|
||||
fmt::println("Validation layer: {}", pCallbackData->pMessage);
|
||||
|
||||
return VK_FALSE;
|
||||
}
|
||||
};
|
||||
|
||||
fn main() -> i32 {
|
||||
Application app;
|
||||
HelloTriangleApplication app;
|
||||
|
||||
try {
|
||||
app.run();
|
||||
|
|
|
|||
Loading…
Reference in a new issue