Add debug layer

Core/Core/RenderEngine.cpp

@@ -1,17 +1,50 @@
 #include "RenderEngine.h"
 
 #include <stdexcept>
+#include <vector>
 
 #ifdef _DEBUG
+#include "Log/Log.h"
 #include <assert.h>
 #define VK_CHECK(res) assert(res == VK_SUCCESS)
+
+static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
+    VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
+    VkDebugUtilsMessageTypeFlagsEXT messageType,
+    const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
+    void* pUserData) {
+
+    std::string msg = "validation layer: ";
+    msg += pCallbackData->pMessage;
+    Log(msg);
+
+    return VK_FALSE;
+}
+
+VkResult RenderEngine::enable_layer_validation(VkInstance instance, VkDebugUtilsMessengerCreateInfoEXT* create_info)
+{
+    PFN_vkCreateDebugUtilsMessengerEXT debug_creator = reinterpret_cast<PFN_vkCreateDebugUtilsMessengerEXT>(vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT"));
+    return debug_creator(instance, create_info, nullptr, &debug_messenger_);
+}
 #else
-#define VK_CHECK(res) res
+#define VK_CHECK(res) if ((res) != VK_SUCCESS) throw std::runtime_error("Vulkan error: " + std::to_string(res))
 #endif
 
+std::vector<const char*> RenderEngine::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;
+}
+
 void RenderEngine::render_thread_func()
 {
-    window = glfwCreateWindow(640, 480, "UwU Engine", NULL, NULL);
+    window = glfwCreateWindow(640, 480, "UwU Engine", nullptr, nullptr);
     if (!window)
     {
         glfwTerminate();
@@ -27,14 +60,22 @@ void RenderEngine::render_thread_func()
 
 RenderEngine::RenderEngine(const std::string& app_name,
                            int major_app_version, int minor_app_version, int patch_app_version,
-                           int major_engine_version, int minor_engine_version, int patch_engine_version)
+                           int major_engine_version, int minor_engine_version, int patch_engine_version) :
+    render_thread(nullptr), window(nullptr)
+#ifdef _DEBUG
+, debug_messenger_(nullptr)
+#endif
 {
     if (!glfwInit())
         throw std::runtime_error("Fail initialize GLFW");
 
     {
-        uint32_t extensions_count = 0;
-        const char** extensions = glfwGetRequiredInstanceExtensions(&extensions_count);
+        std::vector<const char*> extensions = get_required_extensions();
+        std::vector<const char*> layers = {
+#ifdef _DEBUG
+            "VK_LAYER_KHRONOS_validation"
+#endif
+        };
 
         VkApplicationInfo app_info{};
         app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
@@ -44,12 +85,39 @@ RenderEngine::RenderEngine(const std::string& app_name,
         app_info.pEngineName = "UwU Engine";
         app_info.engineVersion = VK_MAKE_VERSION(major_engine_version, minor_engine_version, patch_engine_version);
         
+        
         VkInstanceCreateInfo instance_create_info{};
         instance_create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
-        instance_create_info.ppEnabledExtensionNames = extensions;
-        instance_create_info.enabledExtensionCount = extensions_count;
         instance_create_info.pApplicationInfo = &app_info;
+        instance_create_info.enabledExtensionCount = extensions.size();
+        instance_create_info.ppEnabledExtensionNames = extensions.data();
+        instance_create_info.enabledLayerCount = layers.size();
+        instance_create_info.ppEnabledLayerNames = layers.data();
+#ifdef _DEBUG
+        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 = &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(instance_, &debug_messenger_create_info));
+#endif
+    }
+
+    {
+        uint32_t device_count = 0;
+        std::vector<VkPhysicalDevice> devices;
+        VK_CHECK(vkEnumeratePhysicalDevices(instance_, &device_count, nullptr));
+        VK_CHECK(vkEnumeratePhysicalDevices(instance_, &device_count, devices.data()));
+
+        for (const auto& device : devices)
+        {
+            VkPhysicalDeviceProperties device_properties;
+            vkGetPhysicalDeviceProperties(device, &device_properties);
+        }
     }
 }
 
@@ -63,6 +131,17 @@ RenderEngine::~RenderEngine()
         render_thread->join();
         delete render_thread;
     }
+
+#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
+
+    if (instance_ != nullptr)
+        vkDestroyInstance(instance_, nullptr);
+    
     if (window != nullptr)
         glfwDestroyWindow(window);
     glfwTerminate();

Core/Core/RenderEngine.h

@@ -5,6 +5,7 @@
 #include "Delegate/Delegate.h"
 #include <string>
 #include <thread>
+#include <vector>
 
 #include "GLFW/glfw3.h"
 
@@ -15,6 +16,13 @@ class RenderEngine
     GLFWwindow* window;
     VkInstance instance_;
 
+    
+#ifdef _DEBUG
+    VkResult enable_layer_validation(VkInstance instance, VkDebugUtilsMessengerCreateInfoEXT* create_info);
+    VkDebugUtilsMessengerEXT debug_messenger_;
+#endif
+
+    static std::vector<const char*> get_required_extensions();
     void render_thread_func();
 public:
     Delegate<void> onCloseWindow;