1347 lines
53 KiB
C++
1347 lines
53 KiB
C++
#define GLFW_INCLUDE_VULKAN
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#include <GLFW/glfw3.h>
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#define GLM_FORCE_RADIANS
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <iostream>
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#include <fstream>
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#include <stdexcept>
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#include <algorithm>
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#include <chrono>
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#include <vector>
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#include <cstring>
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#include <cstdlib>
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#include <cstdint>
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#include <limits>
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#include <array>
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#include <optional>
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#include <functional>
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#include <random>
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#include <set>
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const uint32_t WIDTH = 800;
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const uint32_t HEIGHT = 600;
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const int MAX_FRAMES_IN_FLIGHT = 2;
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const std::vector<const char*> validationLayers = {
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"VK_LAYER_KHRONOS_validation",
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"VK_LAYER_LUNARG_monitor"
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};
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const std::vector<const char*> deviceExtensions = {
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VK_KHR_SWAPCHAIN_EXTENSION_NAME
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};
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#ifdef NDEBUG
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const bool enableValidationLayers = false;
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#else
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const bool enableValidationLayers = true;
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#endif
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VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkDebugUtilsMessengerEXT* pDebugMessenger) {
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auto func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");
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if (func != nullptr) {
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return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
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} else {
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return VK_ERROR_EXTENSION_NOT_PRESENT;
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}
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}
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void DestroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger, const VkAllocationCallbacks* pAllocator) {
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auto func = (PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT");
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if (func != nullptr) {
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func(instance, debugMessenger, pAllocator);
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}
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}
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struct QueueFamilyIndices {
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std::optional<uint32_t> graphicsFamily;
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std::optional<uint32_t> presentFamily;
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bool isComplete() {
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return graphicsFamily.has_value() && presentFamily.has_value();
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}
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};
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struct SwapChainSupportDetails {
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VkSurfaceCapabilitiesKHR capabilities;
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std::vector<VkSurfaceFormatKHR> formats;
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std::vector<VkPresentModeKHR> presentModes;
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};
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struct Vertex {
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glm::vec2 pos;
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glm::vec3 color;
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static VkVertexInputBindingDescription getBindingDescription() {
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VkVertexInputBindingDescription bindingDescription{};
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bindingDescription.binding = 0;
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bindingDescription.stride = sizeof(Vertex);
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bindingDescription.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
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return bindingDescription;
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}
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static std::array<VkVertexInputAttributeDescription, 2> getAttributeDescriptions() {
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std::array<VkVertexInputAttributeDescription, 2> attributeDescriptions{};
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attributeDescriptions[0].binding = 0;
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attributeDescriptions[0].location = 0;
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attributeDescriptions[0].format = VK_FORMAT_R32G32_SFLOAT;
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attributeDescriptions[0].offset = offsetof(Vertex, pos);
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attributeDescriptions[1].binding = 0;
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attributeDescriptions[1].location = 1;
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attributeDescriptions[1].format = VK_FORMAT_R32G32B32_SFLOAT;
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attributeDescriptions[1].offset = offsetof(Vertex, color);
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return attributeDescriptions;
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}
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};
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struct UniformBufferObject {
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//alignas(16) glm::vec4 ball1;
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//alignas(16) glm: vec4 ball2;
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glm::vec4 balls[8];
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};
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/*glm::vec4 ballsArr[12] {
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glm::vec4(0.0f, 0.0f, 8.0f, 0.0f),
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glm::vec4(-0.5f, -0.5f, 8.0f, 0.0f),
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glm::vec4(0.5f, -0.1f, 8.0f, 0.0f),
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glm::vec4(-0.5f, 0.5f, 10.0f, 0.0f)
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};*/
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const std::vector<Vertex> vertices = {
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{{-1.0f, -1.0f}, {1.0f, 0.0f, 0.0f}},
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{{1.0f, -1.0f}, {0.0f, 1.0f, 0.0f}},
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{{1.0f, 1.0f}, {0.0f, 0.0f, 1.0f}},
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{{-1.0f, 1.0f}, {1.0f, 1.0f, 1.0f}},
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};
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const std::vector<uint16_t> indices = {
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0, 1, 2, 2, 3, 0
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};
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class HelloTriangleApplication {
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public:
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void run(int argc, char* argv[]) {
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initArgs(argc, argv);
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initBalls();
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initWindow();
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initVulkan();
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mainLoop();
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cleanup();
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}
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private:
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int scenario;
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GLFWwindow* window;
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VkInstance instance;
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VkDebugUtilsMessengerEXT debugMessenger;
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VkSurfaceKHR surface;
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VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
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VkDevice device;
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VkQueue graphicsQueue;
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VkQueue presentQueue;
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VkSwapchainKHR swapChain;
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std::vector<VkImage> swapChainImages;
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VkFormat swapChainImageFormat;
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VkExtent2D swapChainExtent;
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std::vector<VkImageView> swapChainImageViews;
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std::vector<VkFramebuffer> swapChainFramebuffers;
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VkRenderPass renderPass;
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VkDescriptorSetLayout descriptorSetLayout;
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VkPipelineLayout pipelineLayout;
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VkPipeline graphicsPipeline;
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VkCommandPool commandPool;
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VkBuffer vertexBuffer;
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VkDeviceMemory vertexBufferMemory;
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VkBuffer indexBuffer;
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VkDeviceMemory indexBufferMemory;
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std::vector<VkBuffer> uniformBuffers;
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std::vector<VkDeviceMemory> uniformBuffersMemory;
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VkDescriptorPool descriptorPool;
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std::vector<VkDescriptorSet> descriptorSets;
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std::vector<VkCommandBuffer> commandBuffers;
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std::vector<VkSemaphore> imageAvailableSemaphores;
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std::vector<VkSemaphore> renderFinishedSemaphores;
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std::vector<VkFence> inFlightFences;
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uint32_t currentFrame = 0;
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glm::vec4 ballsArr[8];
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std::pair<float, float> speedArr[12];
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bool framebufferResized = false;
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void initWindow() {
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glfwInit();
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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window = glfwCreateWindow(WIDTH, HEIGHT, "Vulkan", nullptr, nullptr);
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glfwSetWindowUserPointer(window, this);
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glfwSetFramebufferSizeCallback(window, framebufferResizeCallback);
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}
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static void framebufferResizeCallback(GLFWwindow* window, int width, int height) {
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auto app = reinterpret_cast<HelloTriangleApplication*>(glfwGetWindowUserPointer(window));
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app->framebufferResized = true;
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}
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void initVulkan() {
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createInstance();
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setupDebugMessenger();
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createSurface();
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pickPhysicalDevice();
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createLogicalDevice();
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createSwapChain();
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createImageViews();
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createRenderPass();
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createDescriptorSetLayout();
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createGraphicsPipeline();
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createFramebuffers();
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createCommandPool();
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createVertexBuffer();
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createIndexBuffer();
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createUniformBuffers();
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createDescriptorPool();
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createDescriptorSets();
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createCommandBuffers();
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createSyncObjects();
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}
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int initArgs(int argc, char* argv[]) {
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if (argc == 1) {
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return 0;
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}
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if (strcmp(argv[1], "negative") == 0) {
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scenario = 1;
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return 0;
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} else if (strcmp(argv[1], "default") == 0) {
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return 0;
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} else {
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printf("Scenario not found: %s", argv[1]);
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return 1;
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}
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}
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void initBalls() {
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int arrayLen = sizeof(ballsArr) / sizeof(ballsArr[0]);
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std::random_device rd;
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std::mt19937 gen(rd());
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std::uniform_real_distribution<float> pos_dist(-0.5, 0.5);
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std::uniform_real_distribution<float> speed_dist(0.0f, 0.00001f);
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std::uniform_real_distribution<float> size_dist;
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if (scenario == 0) {
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size_dist = std::uniform_real_distribution(4.0f, 40.0f);
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} else if (scenario == 1) {
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size_dist = std::uniform_real_distribution(-10.0f, 10.0f);
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}
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for (int i = 0; i < arrayLen; i++) {
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ballsArr[i] = glm::vec4(pos_dist(gen), pos_dist(gen), size_dist(gen), 0.0f);
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speedArr[i] = std::make_pair(copysign(speed_dist(gen), -ballsArr[i].x), copysign(speed_dist(gen), -ballsArr[i].y));
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}
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//ballsArr[11] = glm::vec4(0.0f, 0.0f, -32.0f, 0.0f);
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//speedArr[11] = std::make_pair(0.0f, 0.0f);
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}
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void mainLoop() {
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while (!glfwWindowShouldClose(window)) {
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int64_t startTime = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
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glfwPollEvents();
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drawFrame(startTime);
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}
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vkDeviceWaitIdle(device);
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}
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void cleanupSwapChain() {
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for (auto framebuffer : swapChainFramebuffers) {
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vkDestroyFramebuffer(device, framebuffer, nullptr);
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}
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vkDestroyPipeline(device, graphicsPipeline, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyRenderPass(device, renderPass, nullptr);
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for (auto imageView : swapChainImageViews) {
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vkDestroyImageView(device, imageView, nullptr);
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}
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vkDestroySwapchainKHR(device, swapChain, nullptr);
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}
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void cleanup() {
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cleanupSwapChain();
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for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
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vkDestroyBuffer(device, uniformBuffers[i], nullptr);
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vkFreeMemory(device, uniformBuffersMemory[i], nullptr);
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}
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vkDestroyDescriptorPool(device, descriptorPool, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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vkDestroyBuffer(device, indexBuffer, nullptr);
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vkFreeMemory(device, indexBufferMemory, nullptr);
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vkDestroyBuffer(device, vertexBuffer, nullptr);
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vkFreeMemory(device, vertexBufferMemory, nullptr);
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for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
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vkDestroySemaphore(device, renderFinishedSemaphores[i], nullptr);
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vkDestroySemaphore(device, imageAvailableSemaphores[i], nullptr);
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vkDestroyFence(device, inFlightFences[i], nullptr);
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}
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vkDestroyCommandPool(device, commandPool, nullptr);
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vkDestroyDevice(device, nullptr);
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if (enableValidationLayers) {
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DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
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}
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vkDestroySurfaceKHR(instance, surface, nullptr);
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vkDestroyInstance(instance, nullptr);
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glfwDestroyWindow(window);
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glfwTerminate();
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}
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void recreateSwapChain() {
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int width = 0, height = 0;
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glfwGetFramebufferSize(window, &width, &height);
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while (width == 0 || height == 0) {
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glfwGetFramebufferSize(window, &width, &height);
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glfwWaitEvents();
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}
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vkDeviceWaitIdle(device);
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cleanupSwapChain();
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createSwapChain();
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createImageViews();
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createRenderPass();
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createGraphicsPipeline();
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createFramebuffers();
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}
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void createInstance() {
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if (enableValidationLayers && !checkValidationLayerSupport()) {
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throw std::runtime_error("validation layers requested, but not available!");
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}
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VkApplicationInfo appInfo{};
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appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
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appInfo.pApplicationName = "Hello Triangle";
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appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
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appInfo.pEngineName = "No Engine";
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appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
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appInfo.apiVersion = VK_API_VERSION_1_0;
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VkInstanceCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
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createInfo.pApplicationInfo = &appInfo;
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auto extensions = getRequiredExtensions();
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createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
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createInfo.ppEnabledExtensionNames = extensions.data();
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VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo{};
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if (enableValidationLayers) {
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createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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createInfo.ppEnabledLayerNames = validationLayers.data();
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populateDebugMessengerCreateInfo(debugCreateInfo);
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createInfo.pNext = (VkDebugUtilsMessengerCreateInfoEXT*) &debugCreateInfo;
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} else {
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createInfo.enabledLayerCount = 0;
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createInfo.pNext = nullptr;
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}
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if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
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throw std::runtime_error("failed to create instance!");
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}
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}
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void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo) {
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createInfo = {};
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createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
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createInfo.messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
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createInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
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createInfo.pfnUserCallback = debugCallback;
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}
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void setupDebugMessenger() {
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if (!enableValidationLayers) return;
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VkDebugUtilsMessengerCreateInfoEXT createInfo;
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populateDebugMessengerCreateInfo(createInfo);
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if (CreateDebugUtilsMessengerEXT(instance, &createInfo, nullptr, &debugMessenger) != VK_SUCCESS) {
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throw std::runtime_error("failed to set up debug messenger!");
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}
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}
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void createSurface() {
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if (glfwCreateWindowSurface(instance, window, nullptr, &surface) != VK_SUCCESS) {
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throw std::runtime_error("failed to create window surface!");
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}
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}
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void pickPhysicalDevice() {
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uint32_t deviceCount = 0;
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vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
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if (deviceCount == 0) {
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throw std::runtime_error("failed to find GPUs with Vulkan support!");
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}
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std::vector<VkPhysicalDevice> devices(deviceCount);
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vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
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for (const auto& device : devices) {
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if (isDeviceSuitable(device)) {
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physicalDevice = device;
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break;
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}
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}
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if (physicalDevice == VK_NULL_HANDLE) {
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throw std::runtime_error("failed to find a suitable GPU!");
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}
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}
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void createLogicalDevice() {
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QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
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std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
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std::set<uint32_t> uniqueQueueFamilies = {indices.graphicsFamily.value(), indices.presentFamily.value()};
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float queuePriority = 1.0f;
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for (uint32_t queueFamily : uniqueQueueFamilies) {
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VkDeviceQueueCreateInfo queueCreateInfo{};
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queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
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queueCreateInfo.queueFamilyIndex = queueFamily;
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queueCreateInfo.queueCount = 1;
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queueCreateInfo.pQueuePriorities = &queuePriority;
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queueCreateInfos.push_back(queueCreateInfo);
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}
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VkPhysicalDeviceFeatures deviceFeatures{};
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VkDeviceCreateInfo createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
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createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
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createInfo.pQueueCreateInfos = queueCreateInfos.data();
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createInfo.pEnabledFeatures = &deviceFeatures;
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createInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
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createInfo.ppEnabledExtensionNames = deviceExtensions.data();
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if (enableValidationLayers) {
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createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
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createInfo.ppEnabledLayerNames = validationLayers.data();
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} else {
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createInfo.enabledLayerCount = 0;
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}
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if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS) {
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throw std::runtime_error("failed to create logical device!");
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}
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vkGetDeviceQueue(device, indices.graphicsFamily.value(), 0, &graphicsQueue);
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vkGetDeviceQueue(device, indices.presentFamily.value(), 0, &presentQueue);
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}
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void createSwapChain() {
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SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice);
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VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
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VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
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VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities);
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uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
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if (swapChainSupport.capabilities.maxImageCount > 0 && imageCount > swapChainSupport.capabilities.maxImageCount) {
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imageCount = swapChainSupport.capabilities.maxImageCount;
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}
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VkSwapchainCreateInfoKHR createInfo{};
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createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
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createInfo.surface = surface;
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createInfo.minImageCount = imageCount;
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createInfo.imageFormat = surfaceFormat.format;
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createInfo.imageColorSpace = surfaceFormat.colorSpace;
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createInfo.imageExtent = extent;
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createInfo.imageArrayLayers = 1;
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createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
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QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
|
|
uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(), indices.presentFamily.value()};
|
|
|
|
if (indices.graphicsFamily != indices.presentFamily) {
|
|
createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
|
|
createInfo.queueFamilyIndexCount = 2;
|
|
createInfo.pQueueFamilyIndices = queueFamilyIndices;
|
|
} else {
|
|
createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
|
}
|
|
|
|
createInfo.preTransform = swapChainSupport.capabilities.currentTransform;
|
|
createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
|
|
createInfo.presentMode = presentMode;
|
|
createInfo.clipped = VK_TRUE;
|
|
|
|
createInfo.oldSwapchain = VK_NULL_HANDLE;
|
|
|
|
if (vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create swap chain!");
|
|
}
|
|
|
|
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
|
|
swapChainImages.resize(imageCount);
|
|
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
|
|
|
|
swapChainImageFormat = surfaceFormat.format;
|
|
swapChainExtent = extent;
|
|
}
|
|
|
|
void createImageViews() {
|
|
swapChainImageViews.resize(swapChainImages.size());
|
|
|
|
for (size_t i = 0; i < swapChainImages.size(); i++) {
|
|
VkImageViewCreateInfo createInfo{};
|
|
createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
|
createInfo.image = swapChainImages[i];
|
|
createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
|
createInfo.format = swapChainImageFormat;
|
|
createInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
|
|
createInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
|
|
createInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
|
|
createInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
|
|
createInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
|
createInfo.subresourceRange.baseMipLevel = 0;
|
|
createInfo.subresourceRange.levelCount = 1;
|
|
createInfo.subresourceRange.baseArrayLayer = 0;
|
|
createInfo.subresourceRange.layerCount = 1;
|
|
|
|
if (vkCreateImageView(device, &createInfo, nullptr, &swapChainImageViews[i]) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create image views!");
|
|
}
|
|
}
|
|
}
|
|
|
|
void createRenderPass() {
|
|
VkAttachmentDescription colorAttachment{};
|
|
colorAttachment.format = swapChainImageFormat;
|
|
colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
|
|
colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
|
|
colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
|
|
colorAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
|
|
colorAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
|
|
colorAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
|
colorAttachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
|
|
|
|
VkAttachmentReference colorAttachmentRef{};
|
|
colorAttachmentRef.attachment = 0;
|
|
colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
|
|
|
|
VkSubpassDescription subpass{};
|
|
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
|
subpass.colorAttachmentCount = 1;
|
|
subpass.pColorAttachments = &colorAttachmentRef;
|
|
|
|
VkSubpassDependency dependency{};
|
|
dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
|
|
dependency.dstSubpass = 0;
|
|
dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
|
dependency.srcAccessMask = 0;
|
|
dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
|
|
dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
|
|
|
|
VkRenderPassCreateInfo renderPassInfo{};
|
|
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
|
|
renderPassInfo.attachmentCount = 1;
|
|
renderPassInfo.pAttachments = &colorAttachment;
|
|
renderPassInfo.subpassCount = 1;
|
|
renderPassInfo.pSubpasses = &subpass;
|
|
renderPassInfo.dependencyCount = 1;
|
|
renderPassInfo.pDependencies = &dependency;
|
|
|
|
if (vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create render pass!");
|
|
}
|
|
}
|
|
|
|
void createDescriptorSetLayout() {
|
|
VkDescriptorSetLayoutBinding uboLayoutBinding{};
|
|
uboLayoutBinding.binding = 0;
|
|
uboLayoutBinding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
|
|
uboLayoutBinding.descriptorCount = 1;
|
|
uboLayoutBinding.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
|
|
uboLayoutBinding.pImmutableSamplers = nullptr; // Optional
|
|
|
|
VkDescriptorSetLayoutCreateInfo layoutInfo{};
|
|
layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
|
|
layoutInfo.bindingCount = 1;
|
|
layoutInfo.pBindings = &uboLayoutBinding;
|
|
|
|
if (vkCreateDescriptorSetLayout(device, &layoutInfo, nullptr, &descriptorSetLayout) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create descriptor set layout!");
|
|
}
|
|
}
|
|
|
|
void createGraphicsPipeline() {
|
|
auto vertShaderCode = readFile("shaders/vert.spv");
|
|
auto fragShaderCode = readFile("shaders/frag.spv");
|
|
|
|
VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
|
|
VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
|
|
|
|
VkPipelineShaderStageCreateInfo vertShaderStageInfo{};
|
|
vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
|
vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
|
|
vertShaderStageInfo.module = vertShaderModule;
|
|
vertShaderStageInfo.pName = "main";
|
|
|
|
VkPipelineShaderStageCreateInfo fragShaderStageInfo{};
|
|
fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
|
|
fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
|
|
fragShaderStageInfo.module = fragShaderModule;
|
|
fragShaderStageInfo.pName = "main";
|
|
|
|
VkPipelineShaderStageCreateInfo shaderStages[] = {vertShaderStageInfo, fragShaderStageInfo};
|
|
|
|
VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
|
|
vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
|
|
|
|
auto bindingDescription = Vertex::getBindingDescription();
|
|
auto attributeDescriptions = Vertex::getAttributeDescriptions();
|
|
|
|
vertexInputInfo.vertexBindingDescriptionCount = 1;
|
|
vertexInputInfo.vertexAttributeDescriptionCount = static_cast<uint32_t>(attributeDescriptions.size());
|
|
vertexInputInfo.pVertexBindingDescriptions = &bindingDescription;
|
|
vertexInputInfo.pVertexAttributeDescriptions = attributeDescriptions.data();
|
|
|
|
VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
|
|
inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
|
|
inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
|
|
inputAssembly.primitiveRestartEnable = VK_FALSE;
|
|
|
|
VkViewport viewport{};
|
|
viewport.x = 0.0f;
|
|
viewport.y = 0.0f;
|
|
viewport.width = (float) swapChainExtent.width;
|
|
viewport.height = (float) swapChainExtent.height;
|
|
viewport.minDepth = 0.0f;
|
|
viewport.maxDepth = 1.0f;
|
|
|
|
VkRect2D scissor{};
|
|
scissor.offset = {0, 0};
|
|
scissor.extent = swapChainExtent;
|
|
|
|
VkPipelineViewportStateCreateInfo viewportState{};
|
|
viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
|
|
viewportState.viewportCount = 1;
|
|
viewportState.pViewports = &viewport;
|
|
viewportState.scissorCount = 1;
|
|
viewportState.pScissors = &scissor;
|
|
|
|
VkPipelineRasterizationStateCreateInfo rasterizer{};
|
|
rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
|
|
rasterizer.depthClampEnable = VK_FALSE;
|
|
rasterizer.rasterizerDiscardEnable = VK_FALSE;
|
|
rasterizer.polygonMode = VK_POLYGON_MODE_FILL;
|
|
rasterizer.lineWidth = 1.0f;
|
|
rasterizer.cullMode = VK_CULL_MODE_BACK_BIT;
|
|
rasterizer.frontFace = VK_FRONT_FACE_CLOCKWISE;
|
|
rasterizer.depthBiasEnable = VK_FALSE;
|
|
rasterizer.depthBiasConstantFactor = 0.0f; // Optional
|
|
rasterizer.depthBiasClamp = 0.0f; // Optional
|
|
rasterizer.depthBiasSlopeFactor = 0.0f; // Optional
|
|
|
|
VkPipelineMultisampleStateCreateInfo multisampling{};
|
|
multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
|
|
multisampling.sampleShadingEnable = VK_FALSE;
|
|
multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
|
|
multisampling.minSampleShading = 1.0f; // Optional
|
|
multisampling.pSampleMask = nullptr; // Optional
|
|
multisampling.alphaToCoverageEnable = VK_FALSE; // Optional
|
|
multisampling.alphaToOneEnable = VK_FALSE; // Optional
|
|
|
|
VkPipelineColorBlendAttachmentState colorBlendAttachment{};
|
|
colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
|
|
colorBlendAttachment.blendEnable = VK_FALSE;
|
|
colorBlendAttachment.srcColorBlendFactor = VK_BLEND_FACTOR_ONE; // Optional
|
|
colorBlendAttachment.dstColorBlendFactor = VK_BLEND_FACTOR_ZERO; // Optional
|
|
colorBlendAttachment.colorBlendOp = VK_BLEND_OP_ADD; // Optional
|
|
colorBlendAttachment.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE; // Optional
|
|
colorBlendAttachment.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; // Optional
|
|
colorBlendAttachment.alphaBlendOp = VK_BLEND_OP_ADD; // Optional
|
|
|
|
VkPipelineColorBlendStateCreateInfo colorBlending{};
|
|
colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
|
|
colorBlending.logicOpEnable = VK_FALSE;
|
|
colorBlending.logicOp = VK_LOGIC_OP_COPY; // Optional
|
|
colorBlending.attachmentCount = 1;
|
|
colorBlending.pAttachments = &colorBlendAttachment;
|
|
colorBlending.blendConstants[0] = 0.0f; // Optional
|
|
colorBlending.blendConstants[1] = 0.0f; // Optional
|
|
colorBlending.blendConstants[2] = 0.0f; // Optional
|
|
colorBlending.blendConstants[3] = 0.0f; // Optional
|
|
|
|
VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
|
|
pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
|
|
pipelineLayoutInfo.setLayoutCount = 1;
|
|
pipelineLayoutInfo.pSetLayouts = &descriptorSetLayout;
|
|
pipelineLayoutInfo.pushConstantRangeCount = 0; // Optional
|
|
pipelineLayoutInfo.pPushConstantRanges = nullptr; // Optional
|
|
|
|
if (vkCreatePipelineLayout(device, &pipelineLayoutInfo, nullptr, &pipelineLayout) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create pipeline layout!");
|
|
}
|
|
|
|
VkGraphicsPipelineCreateInfo pipelineInfo{};
|
|
pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
|
|
pipelineInfo.stageCount = 2;
|
|
pipelineInfo.pStages = shaderStages;
|
|
pipelineInfo.pVertexInputState = &vertexInputInfo;
|
|
pipelineInfo.pInputAssemblyState = &inputAssembly;
|
|
pipelineInfo.pViewportState = &viewportState;
|
|
pipelineInfo.pRasterizationState = &rasterizer;
|
|
pipelineInfo.pMultisampleState = &multisampling;
|
|
pipelineInfo.pDepthStencilState = nullptr; // Optional
|
|
pipelineInfo.pColorBlendState = &colorBlending;
|
|
pipelineInfo.pDynamicState = nullptr; // Optional
|
|
pipelineInfo.layout = pipelineLayout;
|
|
pipelineInfo.renderPass = renderPass;
|
|
pipelineInfo.subpass = 0;
|
|
pipelineInfo.basePipelineHandle = VK_NULL_HANDLE; // Optional
|
|
pipelineInfo.basePipelineIndex = -1; // Optional
|
|
|
|
if (vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create graphics pipeline!");
|
|
}
|
|
|
|
vkDestroyShaderModule(device, fragShaderModule, nullptr);
|
|
vkDestroyShaderModule(device, vertShaderModule, nullptr);
|
|
}
|
|
|
|
void createFramebuffers() {
|
|
swapChainFramebuffers.resize(swapChainImageViews.size());
|
|
|
|
for (size_t i = 0; i < swapChainImageViews.size(); i++) {
|
|
VkImageView attachments[] = {
|
|
swapChainImageViews[i]
|
|
};
|
|
|
|
VkFramebufferCreateInfo framebufferInfo{};
|
|
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
|
|
framebufferInfo.renderPass = renderPass;
|
|
framebufferInfo.attachmentCount = 1;
|
|
framebufferInfo.pAttachments = attachments;
|
|
framebufferInfo.width = swapChainExtent.width;
|
|
framebufferInfo.height = swapChainExtent.height;
|
|
framebufferInfo.layers = 1;
|
|
|
|
if (vkCreateFramebuffer(device, &framebufferInfo, nullptr, &swapChainFramebuffers[i]) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create framebuffer!");
|
|
}
|
|
}
|
|
}
|
|
|
|
void createCommandPool() {
|
|
QueueFamilyIndices queueFamilyIndices = findQueueFamilies(physicalDevice);
|
|
|
|
VkCommandPoolCreateInfo poolInfo{};
|
|
poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
|
|
poolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
|
|
poolInfo.queueFamilyIndex = queueFamilyIndices.graphicsFamily.value();
|
|
|
|
if (vkCreateCommandPool(device, &poolInfo, nullptr, &commandPool) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create graphics command pool!");
|
|
}
|
|
}
|
|
|
|
void createVertexBuffer() {
|
|
VkDeviceSize bufferSize = sizeof(vertices[0]) * vertices.size();
|
|
|
|
VkBuffer stagingBuffer;
|
|
VkDeviceMemory stagingBufferMemory;
|
|
createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer, stagingBufferMemory);
|
|
|
|
void* data;
|
|
vkMapMemory(device, stagingBufferMemory, 0, bufferSize, 0, &data);
|
|
memcpy(data, vertices.data(), (size_t) bufferSize);
|
|
vkUnmapMemory(device, stagingBufferMemory);
|
|
|
|
createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
|
|
|
|
copyBuffer(stagingBuffer, vertexBuffer, bufferSize);
|
|
|
|
vkDestroyBuffer(device, stagingBuffer, nullptr);
|
|
vkFreeMemory(device, stagingBufferMemory, nullptr);
|
|
}
|
|
|
|
void createIndexBuffer() {
|
|
VkDeviceSize bufferSize = sizeof(indices[0]) * indices.size();
|
|
|
|
VkBuffer stagingBuffer;
|
|
VkDeviceMemory stagingBufferMemory;
|
|
createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer, stagingBufferMemory);
|
|
|
|
void* data;
|
|
vkMapMemory(device, stagingBufferMemory, 0, bufferSize, 0, &data);
|
|
memcpy(data, indices.data(), (size_t) bufferSize);
|
|
vkUnmapMemory(device, stagingBufferMemory);
|
|
|
|
createBuffer(bufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indexBuffer, indexBufferMemory);
|
|
|
|
copyBuffer(stagingBuffer, indexBuffer, bufferSize);
|
|
|
|
vkDestroyBuffer(device, stagingBuffer, nullptr);
|
|
vkFreeMemory(device, stagingBufferMemory, nullptr);
|
|
}
|
|
|
|
void createUniformBuffers() {
|
|
VkDeviceSize bufferSize = sizeof(UniformBufferObject);
|
|
|
|
uniformBuffers.resize(MAX_FRAMES_IN_FLIGHT);
|
|
uniformBuffersMemory.resize(MAX_FRAMES_IN_FLIGHT);
|
|
|
|
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
|
|
createBuffer(bufferSize, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, uniformBuffers[i], uniformBuffersMemory[i]);
|
|
}
|
|
}
|
|
|
|
void createDescriptorPool() {
|
|
VkDescriptorPoolSize poolSize{};
|
|
poolSize.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
|
|
poolSize.descriptorCount = static_cast<uint32_t>(MAX_FRAMES_IN_FLIGHT);
|
|
|
|
VkDescriptorPoolCreateInfo poolInfo{};
|
|
poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
|
|
poolInfo.poolSizeCount = 1;
|
|
poolInfo.pPoolSizes = &poolSize;
|
|
poolInfo.maxSets = static_cast<uint32_t>(MAX_FRAMES_IN_FLIGHT);
|
|
|
|
if (vkCreateDescriptorPool(device, &poolInfo, nullptr, &descriptorPool) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create descriptor pool!");
|
|
}
|
|
}
|
|
|
|
void createDescriptorSets() {
|
|
std::vector<VkDescriptorSetLayout> layouts(MAX_FRAMES_IN_FLIGHT, descriptorSetLayout);
|
|
VkDescriptorSetAllocateInfo allocInfo{};
|
|
allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
|
|
allocInfo.descriptorPool = descriptorPool;
|
|
allocInfo.descriptorSetCount = static_cast<uint32_t>(MAX_FRAMES_IN_FLIGHT);
|
|
allocInfo.pSetLayouts = layouts.data();
|
|
|
|
descriptorSets.resize(MAX_FRAMES_IN_FLIGHT);
|
|
if (vkAllocateDescriptorSets(device, &allocInfo, descriptorSets.data()) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to allocate descriptor sets!");
|
|
}
|
|
|
|
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
|
|
VkDescriptorBufferInfo bufferInfo{};
|
|
bufferInfo.buffer = uniformBuffers[i];
|
|
bufferInfo.offset = 0;
|
|
bufferInfo.range = sizeof(UniformBufferObject);
|
|
|
|
VkWriteDescriptorSet descriptorWrite{};
|
|
descriptorWrite.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
|
|
descriptorWrite.dstSet = descriptorSets[i];
|
|
descriptorWrite.dstBinding = 0;
|
|
descriptorWrite.dstArrayElement = 0;
|
|
descriptorWrite.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
|
|
descriptorWrite.descriptorCount = 1;
|
|
descriptorWrite.pBufferInfo = &bufferInfo;
|
|
descriptorWrite.pImageInfo = nullptr; // Optional
|
|
descriptorWrite.pTexelBufferView = nullptr; // Optional
|
|
|
|
vkUpdateDescriptorSets(device, 1, &descriptorWrite, 0, nullptr);
|
|
}
|
|
}
|
|
|
|
void createBuffer(VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags properties, VkBuffer& buffer, VkDeviceMemory& bufferMemory) {
|
|
VkBufferCreateInfo bufferInfo{};
|
|
bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
|
|
bufferInfo.size = size;
|
|
bufferInfo.usage = usage;
|
|
bufferInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
|
|
|
if (vkCreateBuffer(device, &bufferInfo, nullptr, &buffer) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create buffer!");
|
|
}
|
|
|
|
VkMemoryRequirements memRequirements;
|
|
vkGetBufferMemoryRequirements(device, buffer, &memRequirements);
|
|
|
|
VkMemoryAllocateInfo allocInfo{};
|
|
allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
|
|
allocInfo.allocationSize = memRequirements.size;
|
|
allocInfo.memoryTypeIndex = findMemoryType(memRequirements.memoryTypeBits, properties);
|
|
|
|
if (vkAllocateMemory(device, &allocInfo, nullptr, &bufferMemory) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to allocate buffer memory!");
|
|
}
|
|
vkBindBufferMemory(device, buffer, bufferMemory, 0);
|
|
}
|
|
|
|
void copyBuffer(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize size) {
|
|
VkCommandBufferAllocateInfo allocInfo{};
|
|
allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
|
|
allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
|
|
allocInfo.commandPool = commandPool;
|
|
allocInfo.commandBufferCount = 1;
|
|
|
|
VkCommandBuffer commandBuffer;
|
|
vkAllocateCommandBuffers(device, &allocInfo, &commandBuffer);
|
|
|
|
VkCommandBufferBeginInfo beginInfo{};
|
|
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
|
|
beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
|
|
|
|
vkBeginCommandBuffer(commandBuffer, &beginInfo);
|
|
|
|
VkBufferCopy copyRegion{};
|
|
copyRegion.srcOffset = 0; // Optional
|
|
copyRegion.dstOffset = 0; // Optional
|
|
copyRegion.size = size;
|
|
vkCmdCopyBuffer(commandBuffer, srcBuffer, dstBuffer, 1, ©Region);
|
|
vkEndCommandBuffer(commandBuffer);
|
|
|
|
VkSubmitInfo submitInfo{};
|
|
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
|
|
submitInfo.commandBufferCount = 1;
|
|
submitInfo.pCommandBuffers = &commandBuffer;
|
|
|
|
vkQueueSubmit(graphicsQueue, 1, &submitInfo, VK_NULL_HANDLE);
|
|
vkQueueWaitIdle(graphicsQueue);
|
|
|
|
vkFreeCommandBuffers(device, commandPool, 1, &commandBuffer);
|
|
}
|
|
|
|
uint32_t findMemoryType(uint32_t typeFilter, VkMemoryPropertyFlags properties) {
|
|
VkPhysicalDeviceMemoryProperties memProperties;
|
|
vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memProperties);
|
|
|
|
for (uint32_t i = 0; i < memProperties.memoryTypeCount; i++) {
|
|
if ((typeFilter & (1 << i)) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) {
|
|
return i;
|
|
}
|
|
}
|
|
|
|
throw std::runtime_error("failed to find suitable memory type!");
|
|
}
|
|
|
|
void createCommandBuffers() {
|
|
commandBuffers.resize(MAX_FRAMES_IN_FLIGHT);
|
|
VkCommandBufferAllocateInfo allocInfo{};
|
|
allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
|
|
allocInfo.commandPool = commandPool;
|
|
allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
|
|
allocInfo.commandBufferCount = (uint32_t) commandBuffers.size();
|
|
|
|
if (vkAllocateCommandBuffers(device, &allocInfo, commandBuffers.data()) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to allocate command buffers!");
|
|
}
|
|
}
|
|
|
|
void recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t imageIndex) {
|
|
VkCommandBufferBeginInfo beginInfo{};
|
|
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
|
|
beginInfo.flags = 0; // Optional
|
|
beginInfo.pInheritanceInfo = nullptr; // Optional
|
|
|
|
if (vkBeginCommandBuffer(commandBuffer, &beginInfo) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to begin recording command buffer!");
|
|
}
|
|
|
|
VkRenderPassBeginInfo renderPassInfo{};
|
|
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
|
|
renderPassInfo.renderPass = renderPass;
|
|
renderPassInfo.framebuffer = swapChainFramebuffers[imageIndex];
|
|
renderPassInfo.renderArea.offset = {0, 0};
|
|
renderPassInfo.renderArea.extent = swapChainExtent;
|
|
|
|
VkClearValue clearColor = {{{0.0f, 0.0f, 0.0f, 1.0f}}};
|
|
renderPassInfo.clearValueCount = 1;
|
|
renderPassInfo.pClearValues = &clearColor;
|
|
|
|
vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
|
|
|
|
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
|
|
|
|
VkBuffer vertexBuffers[] = {vertexBuffer};
|
|
VkDeviceSize offsets[] = {0};
|
|
vkCmdBindVertexBuffers(commandBuffer, 0, 1, vertexBuffers, offsets);
|
|
|
|
vkCmdBindIndexBuffer(commandBuffer, indexBuffer, 0, VK_INDEX_TYPE_UINT16);
|
|
|
|
vkCmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets[currentFrame], 0, nullptr);
|
|
vkCmdDrawIndexed(commandBuffer, static_cast<uint32_t>(indices.size()), 1, 0, 0, 0);
|
|
|
|
vkCmdEndRenderPass(commandBuffer);
|
|
|
|
if (vkEndCommandBuffer(commandBuffer) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to record command buffer!");
|
|
}
|
|
}
|
|
|
|
void createSyncObjects() {
|
|
imageAvailableSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
|
|
renderFinishedSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
|
|
inFlightFences.resize(MAX_FRAMES_IN_FLIGHT);
|
|
|
|
VkSemaphoreCreateInfo semaphoreInfo{};
|
|
semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
|
|
|
|
VkFenceCreateInfo fenceInfo{};
|
|
fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
|
|
fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
|
|
|
|
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
|
|
if (vkCreateSemaphore(device, &semaphoreInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS ||
|
|
vkCreateSemaphore(device, &semaphoreInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS ||
|
|
vkCreateFence(device, &fenceInfo, nullptr, &inFlightFences[i]) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to create synchronization objects for a frame!");
|
|
}
|
|
}
|
|
}
|
|
|
|
void updateUniformBuffer(uint32_t currentImage, uint64_t startTime) {
|
|
uint64_t timeNow = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
|
|
float dTime = static_cast<float>(startTime - timeNow);
|
|
UniformBufferObject ubo{};
|
|
|
|
int arrayLen = sizeof(ballsArr) / sizeof(ballsArr[0]);
|
|
|
|
//ballsArr[0] = ballsArr[0] + glm::vec4(0.001f, 0.0f, 0.0f, 0.0f);
|
|
//ballsArr[1] = ballsArr[1] + glm::vec4(0.005f, 0.005f, 0.0f, 0.0f);
|
|
//ballsArr[2] = ballsArr[2] + glm::vec4(-0.003f, 0.0f, 0.00001f, 0.0f);
|
|
//ballsArr[3] = ballsArr[3] + glm::vec4(0.003f, -0.003f, 0.0f, 0.0f);
|
|
|
|
for (int i = 0; i < arrayLen; i++) {
|
|
ballsArr[i] = ballsArr[i] + glm::vec4(speedArr[i].first, speedArr[i].second, 0.0f, 0.0f) * (dTime/1000000000000000000);
|
|
}
|
|
|
|
//ubo.balls = ballsVec;
|
|
memcpy(ubo.balls, &ballsArr, sizeof(ballsArr));
|
|
/*
|
|
ubo.model = glm::rotate(glm::mat4(1.0f), time * glm::radians(90.0f), glm::vec3(0.0f, 0.0f, 1.0f));
|
|
ubo.view = glm::lookAt(glm::vec3(2.0f, 2.0f, 2.0f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 0.0f, 1.0f));
|
|
ubo.proj = glm::perspective(glm::radians(45.0f), swapChainExtent.width / (float) swapChainExtent.height, 0.1f, 10.0f);
|
|
ubo.proj[1][1] *= -1;
|
|
*/
|
|
|
|
|
|
void* data;
|
|
vkMapMemory(device, uniformBuffersMemory[currentImage], 0, sizeof(ubo), 0, &data);
|
|
memcpy(data, &ubo, sizeof(ubo));
|
|
vkUnmapMemory(device, uniformBuffersMemory[currentImage]);
|
|
}
|
|
|
|
void drawFrame(int64_t startTime) {
|
|
vkWaitForFences(device, 1, &inFlightFences[currentFrame], VK_TRUE, UINT64_MAX);
|
|
|
|
uint32_t imageIndex;
|
|
VkResult result = vkAcquireNextImageKHR(device, swapChain, UINT64_MAX, imageAvailableSemaphores[currentFrame], VK_NULL_HANDLE, &imageIndex);
|
|
|
|
if (result == VK_ERROR_OUT_OF_DATE_KHR) {
|
|
recreateSwapChain();
|
|
return;
|
|
} else if (result != VK_SUCCESS && result != VK_SUBOPTIMAL_KHR) {
|
|
throw std::runtime_error("failed to acquire swap chain image!");
|
|
}
|
|
|
|
vkResetFences(device, 1, &inFlightFences[currentFrame]);
|
|
|
|
vkResetCommandBuffer(commandBuffers[currentFrame], 0);
|
|
recordCommandBuffer(commandBuffers[currentFrame], imageIndex);
|
|
|
|
VkSubmitInfo submitInfo{};
|
|
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
|
|
|
|
VkSemaphore waitSemaphores[] = {imageAvailableSemaphores[currentFrame]};
|
|
VkPipelineStageFlags waitStages[] = {VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT};
|
|
submitInfo.waitSemaphoreCount = 1;
|
|
submitInfo.pWaitSemaphores = waitSemaphores;
|
|
submitInfo.pWaitDstStageMask = waitStages;
|
|
submitInfo.commandBufferCount = 1;
|
|
submitInfo.pCommandBuffers = &commandBuffers[currentFrame];
|
|
|
|
VkSemaphore signalSemaphores[] = {renderFinishedSemaphores[currentFrame]};
|
|
submitInfo.signalSemaphoreCount = 1;
|
|
submitInfo.pSignalSemaphores = signalSemaphores;
|
|
|
|
if (vkQueueSubmit(graphicsQueue, 1, &submitInfo, inFlightFences[currentFrame]) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to submit draw command buffer!");
|
|
}
|
|
|
|
VkPresentInfoKHR presentInfo{};
|
|
presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
|
|
|
|
presentInfo.waitSemaphoreCount = 1;
|
|
presentInfo.pWaitSemaphores = signalSemaphores;
|
|
|
|
VkSwapchainKHR swapChains[] = {swapChain};
|
|
presentInfo.swapchainCount = 1;
|
|
presentInfo.pSwapchains = swapChains;
|
|
presentInfo.pImageIndices = &imageIndex;
|
|
|
|
result = vkQueuePresentKHR(presentQueue, &presentInfo);
|
|
|
|
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR || framebufferResized) {
|
|
framebufferResized = false;
|
|
recreateSwapChain();
|
|
} else if (result != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to present swap chain image!");
|
|
}
|
|
|
|
updateUniformBuffer(currentFrame, startTime);
|
|
|
|
currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT;
|
|
}
|
|
|
|
|
|
VkShaderModule 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;
|
|
}
|
|
|
|
VkSurfaceFormatKHR chooseSwapSurfaceFormat(const std::vector<VkSurfaceFormatKHR>& availableFormats) {
|
|
for (const auto& availableFormat : availableFormats) {
|
|
if (availableFormat.format == VK_FORMAT_B8G8R8A8_SRGB && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
|
|
return availableFormat;
|
|
}
|
|
}
|
|
|
|
return availableFormats[0];
|
|
}
|
|
|
|
VkPresentModeKHR chooseSwapPresentMode(const std::vector<VkPresentModeKHR>& availablePresentModes) {
|
|
for (const auto& availablePresentMode : availablePresentModes) {
|
|
if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
|
|
return availablePresentMode;
|
|
}
|
|
}
|
|
|
|
return VK_PRESENT_MODE_FIFO_KHR;
|
|
}
|
|
|
|
VkExtent2D chooseSwapExtent(const VkSurfaceCapabilitiesKHR& capabilities) {
|
|
if (capabilities.currentExtent.width != std::numeric_limits<uint32_t>::max()) {
|
|
return capabilities.currentExtent;
|
|
} else {
|
|
int width, height;
|
|
glfwGetFramebufferSize(window, &width, &height);
|
|
|
|
VkExtent2D actualExtent = {
|
|
static_cast<uint32_t>(width),
|
|
static_cast<uint32_t>(height)
|
|
};
|
|
|
|
actualExtent.width = std::clamp(actualExtent.width, capabilities.minImageExtent.width, capabilities.maxImageExtent.width);
|
|
actualExtent.height = std::clamp(actualExtent.height, capabilities.minImageExtent.height, capabilities.maxImageExtent.height);
|
|
|
|
return actualExtent;
|
|
}
|
|
}
|
|
|
|
SwapChainSupportDetails querySwapChainSupport(VkPhysicalDevice device) {
|
|
SwapChainSupportDetails details;
|
|
|
|
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &details.capabilities);
|
|
|
|
uint32_t formatCount;
|
|
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, nullptr);
|
|
|
|
if (formatCount != 0) {
|
|
details.formats.resize(formatCount);
|
|
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, details.formats.data());
|
|
}
|
|
|
|
uint32_t presentModeCount;
|
|
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, nullptr);
|
|
|
|
if (presentModeCount != 0) {
|
|
details.presentModes.resize(presentModeCount);
|
|
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, details.presentModes.data());
|
|
}
|
|
|
|
return details;
|
|
}
|
|
|
|
bool isDeviceSuitable(VkPhysicalDevice device) {
|
|
QueueFamilyIndices indices = findQueueFamilies(device);
|
|
|
|
bool extensionsSupported = checkDeviceExtensionSupport(device);
|
|
|
|
bool swapChainAdequate = false;
|
|
if (extensionsSupported) {
|
|
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
|
|
swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
|
|
}
|
|
|
|
return indices.isComplete() && extensionsSupported && swapChainAdequate;
|
|
}
|
|
|
|
bool checkDeviceExtensionSupport(VkPhysicalDevice device) {
|
|
uint32_t extensionCount;
|
|
vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr);
|
|
|
|
std::vector<VkExtensionProperties> availableExtensions(extensionCount);
|
|
vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, availableExtensions.data());
|
|
|
|
std::set<std::string> requiredExtensions(deviceExtensions.begin(), deviceExtensions.end());
|
|
|
|
for (const auto& extension : availableExtensions) {
|
|
requiredExtensions.erase(extension.extensionName);
|
|
}
|
|
|
|
return requiredExtensions.empty();
|
|
}
|
|
|
|
QueueFamilyIndices findQueueFamilies(VkPhysicalDevice device) {
|
|
QueueFamilyIndices indices;
|
|
|
|
uint32_t queueFamilyCount = 0;
|
|
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
|
|
|
|
std::vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
|
|
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
|
|
|
|
int i = 0;
|
|
for (const auto& queueFamily : queueFamilies) {
|
|
if (queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
|
|
indices.graphicsFamily = i;
|
|
}
|
|
|
|
VkBool32 presentSupport = false;
|
|
vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
|
|
|
|
if (presentSupport) {
|
|
indices.presentFamily = i;
|
|
}
|
|
|
|
if (indices.isComplete()) {
|
|
break;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
return indices;
|
|
}
|
|
|
|
std::vector<const char*> getRequiredExtensions() {
|
|
uint32_t glfwExtensionCount = 0;
|
|
const char** glfwExtensions;
|
|
glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
|
|
|
|
std::vector<const char*> extensions(glfwExtensions, glfwExtensions + glfwExtensionCount);
|
|
|
|
if (enableValidationLayers) {
|
|
extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
|
|
}
|
|
|
|
return extensions;
|
|
}
|
|
|
|
bool checkValidationLayerSupport() {
|
|
uint32_t layerCount;
|
|
vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
|
|
|
|
std::vector<VkLayerProperties> availableLayers(layerCount);
|
|
vkEnumerateInstanceLayerProperties(&layerCount, availableLayers.data());
|
|
|
|
for (const char* layerName : validationLayers) {
|
|
bool layerFound = false;
|
|
|
|
for (const auto& layerProperties : availableLayers) {
|
|
if (strcmp(layerName, layerProperties.layerName) == 0) {
|
|
layerFound = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!layerFound) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static std::vector<char> readFile(const std::string& filename) {
|
|
std::ifstream file(filename, std::ios::ate | std::ios::binary);
|
|
|
|
if (!file.is_open()) {
|
|
throw std::runtime_error("failed to open file!");
|
|
}
|
|
|
|
size_t fileSize = (size_t) file.tellg();
|
|
std::vector<char> buffer(fileSize);
|
|
|
|
file.seekg(0);
|
|
file.read(buffer.data(), fileSize);
|
|
|
|
file.close();
|
|
return buffer;
|
|
}
|
|
|
|
static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData, void* pUserData) {
|
|
std::cerr << "validation layer: " << pCallbackData->pMessage << std::endl;
|
|
|
|
return VK_FALSE;
|
|
}
|
|
};
|
|
|
|
int main(int argc, char* argv[]) {
|
|
HelloTriangleApplication app;
|
|
|
|
try {
|
|
app.run(argc, argv);
|
|
} catch (const std::exception& e) {
|
|
std::cerr << e.what() << std::endl;
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|