92 lines
2.1 KiB
C++
92 lines
2.1 KiB
C++
#define GLFW_INCLUDE_VULKAN
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#include <GLFW/glfw3.h>
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#include <iostream>
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#include <stdexcept>
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#include <cstdlib>
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const uint32_t WIDTH = 800;
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const uint32_t HEIGHT = 600;
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class HelloTriangleApplication {
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public:
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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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cleanup();
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}
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private:
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GLFWwindow* window;
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VkInstance instance;
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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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window = glfwCreateWindow(WIDTH, HEIGHT, "Vulkan", nullptr, nullptr);
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}
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void initVulkan() {
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createInstance();
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}
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void mainLoop() {
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while (!glfwWindowShouldClose(window)) {
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glfwPollEvents();
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}
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}
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void cleanup() {
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vkDestroyInstance(instance, nullptr);
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glfwDestroyWindow(window);
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glfwTerminate();
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}
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void createInstance() {
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VkApplicationInfo appInfo{};
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appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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appInfo.pApplicationName = "Hello Triangle";
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appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
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appInfo.pEngineName = "No Engine";
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appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
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appInfo.apiVersion = VK_API_VERSION_1_0;
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VkInstanceCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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createInfo.pApplicationInfo = &appInfo;
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uint32_t glfwExtensionCount = 0;
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const char** glfwExtensions;
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glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
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createInfo.enabledExtensionCount = glfwExtensionCount;
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createInfo.ppEnabledExtensionNames = glfwExtensions;
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createInfo.enabledLayerCount = 0;
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if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
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throw std::runtime_error("failed to create instance!");
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}
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}
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};
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int main() {
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HelloTriangleApplication app;
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try {
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app.run();
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} catch (const std::exception& e) {
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std::cerr << e.what() << std::endl;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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