103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
/*
|
|
Following the vulkan tutorial on :
|
|
https://vulkan-tutorial.com/en/Drawing_a_triangle/Setup/Instance
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#define GLFW_INCLUDE_VULKAN
|
|
#include <GLFW/glfw3.h>
|
|
#include <iostream>
|
|
#include <stdexcept>
|
|
#include <cstdlib>
|
|
|
|
const uint32_t WIDTH = 800;
|
|
const uint32_t 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", nullptr, nullptr);
|
|
}
|
|
|
|
void initVulkan(){
|
|
createInstance();
|
|
}
|
|
|
|
|
|
|
|
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;
|
|
|
|
uint32_t glfwExtesionCount = 0;
|
|
const char** glfwExtensions;
|
|
|
|
glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtesionCount);
|
|
|
|
createInfo.enabledExtensionCount = glfwExtesionCount;
|
|
createInfo.ppEnabledExtensionNames = glfwExtensions;
|
|
createInfo.enabledLayerCount = 0;
|
|
|
|
if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS ){
|
|
throw std::runtime_error("Failed to create instance!");
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
void mainLoop(){
|
|
while (!glfwWindowShouldClose(window)){
|
|
glfwPollEvents();
|
|
}
|
|
}
|
|
|
|
void cleanup(){
|
|
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;
|
|
|
|
} |