save code

2025-08-31 10:56:01 +08:00
parent d5ec638dbd
commit 1bcc9f792c
15 changed files with 1791 additions and 953 deletions
@@ -0,0 +1,101 @@
+#include "HelloTriangleApplication.h"
+
+void HelloTriangleApplication::initWindow()
+{
+    glfwInit();
+
+    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+
+    window = glfwCreateWindow(WIDTH, HEIGHT, "Vulkan Triangle", nullptr, nullptr);
+    glfwSetWindowUserPointer(window, this);
+    glfwSetFramebufferSizeCallback(window, framebufferResizeCallback);
+}
+
+void HelloTriangleApplication::initVulkan()
+{
+    createInstance();
+    setupDebugMessenger();
+    createSurface();
+    pickPhysicalDevice();
+    createLogicalDevice();
+    createSwapChain();
+    createImageViews();
+    createRenderPass();
+    createGraphicsPipeline();
+    createFramebuffers();
+    createCommandPool();
+    createCommandBuffers();
+    createSyncObjects();
+}
+
+void HelloTriangleApplication::createInstance()
+{
+    if (enableValidationLayers && !checkValidationLayerSupport())
+    {
+        throw std::runtime_error("validation layers requested, but not available!");
+    }
+
+    VkApplicationInfo appInfo{};
+    appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
+    appInfo.pApplicationName = "Hello Triangle";
+    appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
+    appInfo.pEngineName = "No Engine";
+    appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
+    appInfo.apiVersion = VK_API_VERSION_1_0;
+
+    VkInstanceCreateInfo createInfo{};
+    createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
+    createInfo.pApplicationInfo = &appInfo;
+
+    auto extensions = getRequiredExtensions();
+    createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
+    createInfo.ppEnabledExtensionNames = extensions.data();
+
+    VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo{};
+    if (enableValidationLayers)
+    {
+        createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
+        createInfo.ppEnabledLayerNames = validationLayers.data();
+
+        populateDebugMessengerCreateInfo(debugCreateInfo);
+        createInfo.pNext = (VkDebugUtilsMessengerCreateInfoEXT *)&debugCreateInfo;
+    }
+    else
+    {
+        createInfo.enabledLayerCount = 0;
+
+        createInfo.pNext = nullptr;
+    }
+
+    if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS)
+    {
+        throw std::runtime_error("failed to create instance!");
+    }
+}
+
+void HelloTriangleApplication::mainLoop()
+{
+    while (!glfwWindowShouldClose(window))
+    {
+        glfwPollEvents();
+        drawFrame();
+    }
+
+    vkDeviceWaitIdle(device);
+}
+
+VkShaderModule HelloTriangleApplication::createShaderModule(const std::vector<char> &code)
+{
+    VkShaderModuleCreateInfo createInfo{};
+    createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
+    createInfo.codeSize = code.size();
+    createInfo.pCode = reinterpret_cast<const uint32_t *>(code.data());
+
+    VkShaderModule shaderModule;
+    if (vkCreateShaderModule(device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS)
+    {
+        throw std::runtime_error("failed to create shader module!");
+    }
+
+    return shaderModule;
+}