128 lines
3.3 KiB
C++
128 lines
3.3 KiB
C++
#include <vulkan/vulkan.h>
|
|
#define GLFW_INCLUDE_VULKAN
|
|
#include <GLFW/glfw3.h>
|
|
|
|
#include <stdio.h>
|
|
#include <iostream>
|
|
#include <stdexcept>
|
|
#include <cstdlib>
|
|
|
|
class HelloTriangleApplication {
|
|
public:
|
|
void run() {
|
|
initWindow();
|
|
initVulkan();
|
|
mainLoop();
|
|
cleanup();
|
|
}
|
|
|
|
private:
|
|
GLFWwindow* window;
|
|
|
|
VkInstance instance;
|
|
|
|
const uint32_t WIDTH = 800;
|
|
const uint32_t HEIGHT = 600;
|
|
|
|
void initWindow() {
|
|
glfwInit();
|
|
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
|
|
glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
|
|
|
|
window = glfwCreateWindow(WIDTH, HEIGHT, "Vulkan", nullptr, nullptr);
|
|
}
|
|
|
|
void createInstance() {
|
|
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;
|
|
|
|
std::vector<const char*> requiredExtensions;
|
|
|
|
uint32_t glfwExtensionCount = 0;
|
|
const char** glfwExtensions;
|
|
|
|
// Enable glfw extensions
|
|
glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
|
|
|
|
for (uint32_t i = 0; i < glfwExtensionCount; i++) {
|
|
requiredExtensions.emplace_back(glfwExtensions[i]);
|
|
}
|
|
|
|
// Enable Portability Enumeration extension (required for macOS)
|
|
requiredExtensions.emplace_back(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME);
|
|
|
|
createInfo.flags |= VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR;
|
|
|
|
createInfo.enabledExtensionCount = (uint32_t) requiredExtensions.size();
|
|
createInfo.ppEnabledExtensionNames = requiredExtensions.data();
|
|
createInfo.enabledLayerCount = 0;
|
|
|
|
VkResult result = vkCreateInstance(&createInfo, nullptr, &instance);
|
|
if (result != VK_SUCCESS) {
|
|
std::cout << "error creating instance: " << result << std::endl;
|
|
throw std::runtime_error("failed to create instance!");
|
|
}
|
|
|
|
std::cout << "Created instance" << std::endl;
|
|
|
|
// Check for available extensions
|
|
uint32_t extensionCount = 0;
|
|
vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, nullptr);
|
|
std::vector<VkExtensionProperties> extensions(extensionCount);
|
|
|
|
vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, extensions.data());
|
|
|
|
std::cout << "available extensions:" << std::endl;
|
|
for (const auto& extension : extensions) {
|
|
std::cout << '\t' << extension.extensionName;
|
|
for (const char* required : requiredExtensions) {
|
|
if (strcmp(required, extension.extensionName) == 0) {
|
|
std::cout << " *";
|
|
}
|
|
}
|
|
|
|
std::cout << std::endl;
|
|
}
|
|
}
|
|
|
|
void initVulkan() {
|
|
createInstance();
|
|
}
|
|
|
|
void mainLoop() {
|
|
while (!glfwWindowShouldClose(window)) {
|
|
glfwPollEvents();
|
|
}
|
|
}
|
|
|
|
void cleanup() {
|
|
vkDestroyInstance(instance, nullptr);
|
|
|
|
glfwDestroyWindow(window);
|
|
glfwTerminate();
|
|
}
|
|
};
|
|
|
|
|
|
int main() {
|
|
HelloTriangleApplication app;
|
|
|
|
try {
|
|
app.run();
|
|
} catch (const std::exception& e) {
|
|
std::cerr << e.what() << std::endl;
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|