Вынес управление VkInstance в отдельный класс

2026-06-23 17:46:21 +07:00
parent 280f843fb7
commit 7aec01ccc8
7 changed files with 130 additions and 100 deletions
@@ -0,0 +1,86 @@
+#include "Instance.hpp"
+
+#include "Core/CoreInstance.hpp"
+#include "DeviceFunctions/DeviceFunctions.hpp"
+#include "Log/Log.hpp"
+
+#ifdef _DEBUG
+VkBool32 Instance::debugCallback(
+    VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
+    VkDebugUtilsMessageTypeFlagsEXT messageType,
+    const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
+    void* pUserData) {
+
+    std::string msg = "validation layer: ";
+    msg += pCallbackData->pMessage;
+    Loging::Log(msg);
+
+    return VK_FALSE;
+}
+
+VkResult Instance::enable_layer_validation(const VkDebugUtilsMessengerCreateInfoEXT* create_info)
+{
+    PFN_vkCreateDebugUtilsMessengerEXT debug_creator = reinterpret_cast<PFN_vkCreateDebugUtilsMessengerEXT>(vkGetInstanceProcAddr(instance_, "vkCreateDebugUtilsMessengerEXT"));
+    return debug_creator(instance_, create_info, nullptr, &debug_messenger_);
+}
+#endif
+
+std::vector<const char*> Instance::get_required_extensions()
+{
+    uint32_t extensions_count = 0;
+    const char** glfw_extension = glfwGetRequiredInstanceExtensions(&extensions_count);
+    std::vector<const char*> extensions(glfw_extension, glfw_extension + extensions_count);
+
+#ifdef _DEBUG
+    extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
+#endif
+    return extensions;
+}
+
+Instance::Instance(CoreInstance& core)
+{
+    std::vector<const char*> extensions = get_required_extensions();
+
+    VkApplicationInfo app_info{};
+    app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
+    app_info.apiVersion = VK_API_VERSION_1_0;
+    app_info.applicationVersion = VK_MAKE_VERSION(0, 0, 0);
+    app_info.pApplicationName = core.getGameName().c_str();
+    app_info.pEngineName = "UwU Engine";
+    app_info.engineVersion = VK_MAKE_VERSION(0, 0, 0);
+        
+        
+    VkInstanceCreateInfo instance_create_info{};
+    instance_create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
+    instance_create_info.pApplicationInfo = &app_info;
+    instance_create_info.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
+    instance_create_info.ppEnabledExtensionNames = extensions.data();
+#ifdef _DEBUG
+    const std::vector<const char*> layers_validation = {
+        "VK_LAYER_KHRONOS_validation"
+    };
+    instance_create_info.enabledLayerCount = static_cast<uint32_t>(layers_validation.size());
+    instance_create_info.ppEnabledLayerNames = layers_validation.data();
+    VkDebugUtilsMessengerCreateInfoEXT debug_messenger_create_info{};
+    debug_messenger_create_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
+    debug_messenger_create_info.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;
+    debug_messenger_create_info.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;
+    debug_messenger_create_info.pfnUserCallback = &Instance::debugCallback;
+    instance_create_info.pNext = &debug_messenger_create_info;
+#endif
+    VK_CHECK(vkCreateInstance(&instance_create_info, nullptr, &instance_))
+#ifdef _DEBUG
+    VK_CHECK(enable_layer_validation(&debug_messenger_create_info))
+#endif
+}
+
+Instance::~Instance()
+{
+#ifdef _DEBUG
+    if (debug_messenger_ != nullptr && instance_ != nullptr) {
+        PFN_vkDestroyDebugUtilsMessengerEXT destroyer_messenger = reinterpret_cast<PFN_vkDestroyDebugUtilsMessengerEXT>(vkGetInstanceProcAddr(instance_, "vkDestroyDebugUtilsMessengerEXT"));
+        destroyer_messenger(instance_, debug_messenger_, nullptr);
+    }
+#endif
+    vkDestroyInstance(instance_, nullptr);
+}
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <vulkan/vulkan.h>
+#include <vector>
+
+class CoreInstance;
+
+class Instance
+{
+    VkInstance instance_ = nullptr;
+    
+    static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
+        VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
+        VkDebugUtilsMessageTypeFlagsEXT messageType,
+        const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
+        void* pUserData
+    );
+    
+#ifdef _DEBUG
+    VkResult enable_layer_validation(const VkDebugUtilsMessengerCreateInfoEXT* create_info);
+    VkDebugUtilsMessengerEXT debug_messenger_;
+#endif
+    
+    std::vector<const char*> Instance::get_required_extensions();
+public:
+    Instance(CoreInstance& core);
+    ~Instance();
+    
+    inline VkInstance get_native() const { return instance_; }
+};