{

public:

void run()

{

initWindow();

initVulkan();

mainLoop();

cleanup();

}

private:

GLFWwindow *window = nullptr;

vk::raii::Context context;

vk::raii::Instance instance = nullptr;

void initWindow()

{

glfwInit();

glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);

glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);

window = glfwCreateWindow(WIDTH, HEIGHT, "Vulkan", nullptr, nullptr);

}

void initVulkan()

{

createInstance();

}

void mainLoop()

{

while (!glfwWindowShouldClose(window))

{

glfwPollEvents();

}

}

void cleanup()

{

glfwDestroyWindow(window);

glfwTerminate();

}

void createInstance()

{

constexpr vk::ApplicationInfo appInfo{.pApplicationName = "Hello Triangle",

.applicationVersion = VK_MAKE_VERSION(1, 0, 0),

.pEngineName = "No Engine",

.engineVersion = VK_MAKE_VERSION(1, 0, 0),

.apiVersion = vk::ApiVersion14};

// Get the required instance extensions from GLFW.

uint32_t glfwExtensionCount = 0;

auto glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);

// Check if the required GLFW extensions are supported by the Vulkan implementation.

auto extensionProperties = context.enumerateInstanceExtensionProperties();

for (uint32_t i = 0; i < glfwExtensionCount; ++i)

{

if (std::ranges::none_of(extensionProperties,

[glfwExtension = glfwExtensions[i]](auto const &extensionProperty) { return strcmp(extensionProperty.extensionName, glfwExtension) == 0; }))

{

throw std::runtime_error("Required GLFW extension not supported: " + std::string(glfwExtensions[i]));

}

}

vk::InstanceCreateInfo createInfo{

.pApplicationInfo = &appInfo,

.enabledExtensionCount = glfwExtensionCount,

.ppEnabledExtensionNames = glfwExtensions};

instance = vk::raii::Instance(context, createInfo);

}

{

try

{

HelloTriangleApplication app;

app.run();

}

catch (const std::exception &e)

{

std::cerr << e.what() << std::endl;

return EXIT_FAILURE;

}

return EXIT_SUCCESS;