From edf8c19af68a008a73de023b983dec0310a82967 Mon Sep 17 00:00:00 2001
From: InkSoul <qingci30@163.com>
Date: Mon, 19 Feb 2024 16:30:49 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AE=8C=E6=88=90=E5=AE=9E=E4=BE=8B=E5=88=9B?=
 =?UTF-8?q?=E5=BB=BA?=
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---
 VulkanTutorial.cpp | 49 ++++++++++++++++++++++++++++++++++++++++++++++
 VulkanTutorial.h   | 10 +++++++---
 2 files changed, 56 insertions(+), 3 deletions(-)

diff --git a/VulkanTutorial.cpp b/VulkanTutorial.cpp
index e371821..dbc87db 100644
--- a/VulkanTutorial.cpp
+++ b/VulkanTutorial.cpp
@@ -13,6 +13,52 @@ GLFWwindow* HelloTriangleApplication::initWindow(int Width, int Height) {
 	return window;
 }
 
+void HelloTriangleApplication::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 glfwExtentionCount = 0;
+	const char** glfwExtensions;
+	glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtentionCount);
+
+	createInfo.enabledExtensionCount = glfwExtentionCount;
+	createInfo.ppEnabledExtensionNames = glfwExtensions;
+	createInfo.enabledLayerCount = 0;
+
+
+	if (vkCreateInstance(&createInfo, nullptr, &instance)!=VK_SUCCESS)
+	{
+		throw std::runtime_error("failed to create instance");
+	}
+
+	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 << " version:" << extension.specVersion << std::endl;
+	}
+}
+
+void HelloTriangleApplication::initVulkan() {
+	createInstance();
+}
+
 void HelloTriangleApplication::mainLoop(GLFWwindow* window){
 
 	while (!glfwWindowShouldClose(window))
@@ -23,6 +69,9 @@ void HelloTriangleApplication::mainLoop(GLFWwindow* window){
 }
 
 void HelloTriangleApplication::cleanup(GLFWwindow* window) {
+
+	vkDestroyInstance(instance, nullptr);
+	
 	glfwDestroyWindow(window);
 
 	glfwTerminate();
diff --git a/VulkanTutorial.h b/VulkanTutorial.h
index d0842c1..aa0e553 100644
--- a/VulkanTutorial.h
+++ b/VulkanTutorial.h
@@ -27,10 +27,14 @@ public:
 		cleanup(window);
 	}
 private:
-	GLFWwindow* initWindow(int Width, int Height);
-	void initVulkan() {
 
-	}
+	VkInstance instance;
+
+	GLFWwindow* initWindow(int Width, int Height);
+
+	void createInstance();
+
+	void initVulkan();
 
 	void mainLoop(GLFWwindow* window);