Initial commit

Hello_triangle/main.cpp

@@ -0,0 +1,103 @@
+/*
+    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;
+    
+}