module main;

import std.stdio;

import erupted;

import derelict.glfw3;

mixin DerelictGLFW3_VulkanBind;

enum int WIDTH = 800;

enum int HEIGHT = 600;

class HelloTriangleApplication {

public:

void run() {

initWindow();

initVulkan();

mainLoop();

cleanup();

}

private:

GLFWwindow* window;

VkInstance instance;

void initWindow() {

glfwInit();

glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);

glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);

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

}

void initVulkan() {

loadGlobalLevelFunctions(cast( typeof( vkGetInstanceProcAddr )) glfwGetInstanceProcAddress( null, "vkGetInstanceProcAddr" ));

createInstance();

loadInstanceLevelFunctions(instance);

}

void mainLoop() {

while (!glfwWindowShouldClose(window)) {

glfwPollEvents();

}

}

void cleanup() {

vkDestroyInstance(instance, null);

glfwDestroyWindow(window);

glfwTerminate();

}

void createInstance() {

VkApplicationInfo appInfo = {

pApplicationName: "Hello Triangle",

applicationVersion: VK_MAKE_VERSION(1, 0, 0),

pEngineName: "No Engine",

engineVersion: VK_MAKE_VERSION(1, 0, 0),

apiVersion: VK_API_VERSION_1_0,

};

uint glfwExtensionCount;

const (char)** glfwExtensions = glfwGetRequiredInstanceExtensions( &glfwExtensionCount );

VkInstanceCreateInfo createInfo = {

pApplicationInfo: (&appInfo),

enabledExtensionCount: glfwExtensionCount,

ppEnabledExtensionNames: glfwExtensions,

enabledLayerCount: 0,

};

if (vkCreateInstance(&createInfo, null, &instance) != VK_SUCCESS) {

throw new Exception("failed to create instance!");

}

}

};

void main() {

DerelictGLFW3.load;

DerelictGLFW3_loadVulkan();

HelloTriangleApplication app = new HelloTriangleApplication();

app.run();

}