Files
vulkan_demo/HelloTriangleApplication.cpp
T
2025-08-31 10:56:01 +08:00

101 lines
2.9 KiB
C++

#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;
}