Nigel Barink
8f7aa2ddf7
Staging buffer makes sure we draw from high speed memory. We need the extra buffer because highspeed memory is for the gpu is not accesible to the cpu.
1199 lines
46 KiB
C++
1199 lines
46 KiB
C++
/*
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Following the vulkan tutorial on :
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https://vulkan-tutorial.com/Vertex_buffers/Staging_buffer
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*/
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#define GLFW_INCLUDE_VULKAN
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#include <GLFW/glfw3.h>
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#include <glm/glm.hpp>
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#include <iostream>
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#include <stdexcept>
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#include <cstdlib>
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#include <cstdint>
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#include <limits>
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#include <algorithm>
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#include <vector>
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#include <cstring>
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#include <optional>
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#include <set>
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#include <array>
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#include <fstream>
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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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};
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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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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> attributeDescription{};
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attributeDescription[0].binding = 0;
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attributeDescription[0].location = 0;
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attributeDescription[0].format = VK_FORMAT_R32G32_SFLOAT;
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attributeDescription[0].offset = offsetof(Vertex, pos);
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attributeDescription[1].binding = 0;
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attributeDescription[1].location = 1;
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attributeDescription[1].format = VK_FORMAT_R32G32B32_SFLOAT;
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attributeDescription[1].offset = offsetof(Vertex, color);
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return attributeDescription;
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}
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};
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const std::vector<Vertex> vertices = {
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{{0.0f, -0.5f}, {1.0f,1.0f, 1.0f}},
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{{0.5f, 0.5f}, {0.0f, 1.0f, 0.0f}},
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{{-0.5f, 0.5f}, {0.0f, 0.0f, 1.0f}}
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};
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class HelloTriangleApplication {
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public:
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void run() {
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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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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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VkRenderPass renderPass;
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VkPipelineLayout pipelineLayout;
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VkPipeline graphicsPipeline;
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std::vector<VkFramebuffer> swapchainFrameBuffers;
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VkCommandPool commandPool;
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VkBuffer vertexBuffer;
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VkDeviceMemory vertexBufferMemory;
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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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bool framebufferResized = false;
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uint32_t currentFrame = 0;
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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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void initWindow() {
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glfwInit();
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
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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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createGraphicsPipeline();
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createFramebuffers();
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createCommandPool();
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createVertexBuffer();
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createCommandBuffers();
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createSyncObjects();
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}
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uint32_t findMemoryType(uint32_t typeFilter, VkMemoryPropertyFlags properties) {
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VkPhysicalDeviceMemoryProperties memProperties;
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vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memProperties);
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for (uint32_t i = 0; i < memProperties.memoryTypeCount; i++) {
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if ((typeFilter & (1 << i)) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) {
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return i;
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}
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}
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throw std::runtime_error("failed to find suitable memory type!");
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}
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void CreateBuffer(VkDeviceSize size, VkBufferUsageFlags usage, VkMemoryPropertyFlags properties, VkBuffer& buffer, VkDeviceMemory& buffermemory)
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{
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VkBufferCreateInfo bufferInfo{};
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bufferInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
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bufferInfo.size = size;
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bufferInfo.usage = usage;
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bufferInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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if (vkCreateBuffer(device, &bufferInfo, nullptr, &buffer) != VK_SUCCESS) {
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throw std::runtime_error("failed to create vertex buffer!");
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}
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VkMemoryRequirements memRequirements;
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vkGetBufferMemoryRequirements(device, buffer, &memRequirements);
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VkMemoryAllocateInfo allocInfo{};
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allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
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allocInfo.allocationSize = memRequirements.size;
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allocInfo.memoryTypeIndex = findMemoryType(memRequirements.memoryTypeBits, properties);
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if (vkAllocateMemory(device, &allocInfo, nullptr, &buffermemory) != VK_SUCCESS) {
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throw std::runtime_error("failed to allocate vertex buffer memory!");
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}
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vkBindBufferMemory(device, buffer, buffermemory, 0);
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}
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// copy from staging to the vertex buffer
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void copyBuffer(VkBuffer srcBuffer, VkBuffer dstBuffer, VkDeviceSize size) {
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VkCommandBufferAllocateInfo allocInfo{};
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allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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allocInfo.commandPool = commandPool;
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allocInfo.commandBufferCount = 1;
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VkCommandBuffer commandBuffer;
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vkAllocateCommandBuffers(device, &allocInfo, &commandBuffer);
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VkCommandBufferBeginInfo beginInfo{};
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beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
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beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
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vkBeginCommandBuffer(commandBuffer, &beginInfo);
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VkBufferCopy copyRegion{};
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copyRegion.srcOffset = 0; // Optional
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copyRegion.dstOffset = 0; // Optional
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copyRegion.size = size;
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vkCmdCopyBuffer(commandBuffer, srcBuffer, dstBuffer, 1, ©Region);
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vkEndCommandBuffer(commandBuffer);
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VkSubmitInfo submitInfo{};
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submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &commandBuffer;
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vkQueueSubmit(graphicsQueue, 1, &submitInfo, VK_NULL_HANDLE);
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vkQueueWaitIdle(graphicsQueue);
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vkFreeCommandBuffers(device, commandPool, 1, &commandBuffer);
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}
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// Create a staging and vertex buffer
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void createVertexBuffer() {
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VkDeviceSize buffersize = sizeof(vertices[0] )* vertices.size();
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VkBuffer stagingBuffer;
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VkDeviceMemory stagingBufferMemory;
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CreateBuffer(buffersize, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, stagingBuffer, stagingBufferMemory);
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void* data;
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vkMapMemory(device, stagingBufferMemory, 0, buffersize, 0, &data);
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memcpy(data, vertices.data(), (size_t)buffersize);
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vkUnmapMemory(device, stagingBufferMemory);
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CreateBuffer(buffersize, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
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copyBuffer(stagingBuffer, vertexBuffer, buffersize);
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vkDestroyBuffer(device, stagingBuffer, nullptr);
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vkFreeMemory(device, stagingBufferMemory, nullptr);
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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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createFramebuffers();
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}
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void cleanupSwapChain() {
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for (size_t i = 0; i < swapchainFrameBuffers.size(); i++) {
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vkDestroyFramebuffer(device, swapchainFrameBuffers[i], nullptr);
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}
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for (size_t i = 0; i < swapChainImageViews.size(); i++) {
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vkDestroyImageView(device, swapChainImageViews[i], nullptr);
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}
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vkDestroySwapchainKHR(device, swapChain, nullptr);
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}
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void createSyncObjects() {
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imageAvailableSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
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renderFinishedSemaphores.resize(MAX_FRAMES_IN_FLIGHT);
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inFlightFences.resize(MAX_FRAMES_IN_FLIGHT);
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VkSemaphoreCreateInfo semaphoreInfo{};
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semaphoreInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
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VkFenceCreateInfo fenceInfo{};
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fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
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fenceInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
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for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
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if (vkCreateSemaphore(device, &semaphoreInfo, nullptr, &imageAvailableSemaphores[i]) != VK_SUCCESS ||
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vkCreateSemaphore(device, &semaphoreInfo, nullptr, &renderFinishedSemaphores[i]) != VK_SUCCESS ||
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vkCreateFence(device, &fenceInfo, nullptr, &inFlightFences[i]) != VK_SUCCESS) {
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throw std::runtime_error("failed to create semaphores!");
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}
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}
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}
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void recordCommandBuffer(VkCommandBuffer commandBuffer, uint32_t imageIndex) {
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VkCommandBufferBeginInfo beginInfo{};
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beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
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if (vkBeginCommandBuffer(commandBuffer, &beginInfo) != VK_SUCCESS) {
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throw std::runtime_error("failed to begin recording command buffer!");
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}
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VkRenderPassBeginInfo renderPassInfo{};
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renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
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renderPassInfo.renderPass = renderPass;
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renderPassInfo.framebuffer = swapchainFrameBuffers[imageIndex];
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renderPassInfo.renderArea.offset = { 0,0 };
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renderPassInfo.renderArea.extent = swapChainExtent;
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VkClearValue clearColor = { {{0.0f, 0.0f, 0.0f, 1.0f}} };
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renderPassInfo.clearValueCount = 1;
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renderPassInfo.pClearValues = &clearColor;
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vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
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vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
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VkBuffer vertexBuffers[] = { vertexBuffer };
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VkDeviceSize offsets[] = { 0 };
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vkCmdBindVertexBuffers(commandBuffer, 0, 1, vertexBuffers, offsets);
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VkViewport viewport{};
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viewport.x = 0.0f;
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viewport.y = 0.0f;
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viewport.width = static_cast<float>(swapChainExtent.width);
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viewport.height = static_cast<float>(swapChainExtent.height);
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viewport.minDepth = 0.0f;
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viewport.maxDepth = 1.0f;
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vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
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VkRect2D scissor{};
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scissor.offset = { 0,0 };
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scissor.extent = swapChainExtent;
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vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
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vkCmdDraw(commandBuffer, static_cast<uint32_t>(vertices.size()), 1, 0, 0);
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vkCmdEndRenderPass(commandBuffer);
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if (vkEndCommandBuffer(commandBuffer) != VK_SUCCESS) {
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throw std::runtime_error("failed to record command buffer!");
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}
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}
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void createCommandBuffers() {
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commandBuffers.resize(MAX_FRAMES_IN_FLIGHT);
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VkCommandBufferAllocateInfo allocInfo{};
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allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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allocInfo.commandPool = commandPool;
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allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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allocInfo.commandBufferCount = (uint32_t) commandBuffers.size();
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if (vkAllocateCommandBuffers(device, &allocInfo, commandBuffers.data()) != VK_SUCCESS) {
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throw std::runtime_error("failed to allocate command buffers!");
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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 ot create window surface!");
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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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}
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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);
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uint32_t queueFamilyIndices[] = { indices.graphicsFamily.value(), indices.presentFamily.value()};
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if (indices.graphicsFamily != indices.presentFamily) {
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createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
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createInfo.queueFamilyIndexCount = 2;
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createInfo.pQueueFamilyIndices = queueFamilyIndices;
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}
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else {
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createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
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createInfo.queueFamilyIndexCount = 0;
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createInfo.pQueueFamilyIndices = nullptr;
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}
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createInfo.preTransform = swapChainSupport.capabilities.currentTransform;
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createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
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createInfo.presentMode = presentMode;
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createInfo.clipped = VK_TRUE;
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createInfo.oldSwapchain = VK_NULL_HANDLE;
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if (vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain)!= VK_SUCCESS ) {
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throw std::runtime_error("failed to create swap chain!");
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}
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vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
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swapChainImages.resize(imageCount);
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vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
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|
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 colorAttachementRef{};
|
|
colorAttachementRef.attachment = 0;
|
|
colorAttachementRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
|
|
|
|
VkSubpassDescription subpass{};
|
|
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
|
|
subpass.colorAttachmentCount = 1;
|
|
subpass.pColorAttachments = &colorAttachementRef;
|
|
|
|
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 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 };
|
|
|
|
|
|
auto bindingDescription = Vertex::getBindingDescription();
|
|
auto attributeDescriptions = Vertex::getAttributeDescriptions();
|
|
|
|
|
|
VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
|
|
vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
|
|
vertexInputInfo.vertexBindingDescriptionCount = 1;
|
|
vertexInputInfo.pVertexBindingDescriptions = &bindingDescription;
|
|
vertexInputInfo.vertexAttributeDescriptionCount = static_cast<uint32_t>(attributeDescriptions.size());
|
|
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;
|
|
|
|
|
|
// DYNAMIC VIEWPORT & SCISSOR
|
|
|
|
std::vector<VkDynamicState> dynamicStates = {
|
|
VK_DYNAMIC_STATE_VIEWPORT,
|
|
VK_DYNAMIC_STATE_SCISSOR
|
|
};
|
|
|
|
VkPipelineDynamicStateCreateInfo dynamicState{};
|
|
dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
|
|
dynamicState.dynamicStateCount = static_cast<uint32_t>(dynamicStates.size());
|
|
dynamicState.pDynamicStates = dynamicStates.data();
|
|
|
|
|
|
VkPipelineViewportStateCreateInfo viewportState{};
|
|
viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
|
|
viewportState.viewportCount = 1;
|
|
viewportState.scissorCount = 1;
|
|
|
|
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;
|
|
|
|
|
|
VkPipelineMultisampleStateCreateInfo multisampling{};
|
|
multisampling.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
|
|
multisampling.sampleShadingEnable = VK_FALSE;
|
|
multisampling.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
|
|
|
|
|
|
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;
|
|
|
|
VkPipelineColorBlendStateCreateInfo colorBlending{};
|
|
colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
|
|
colorBlending.logicOpEnable = VK_FALSE;
|
|
colorBlending.attachmentCount = 1;
|
|
colorBlending.pAttachments = &colorBlendAttachment;
|
|
|
|
VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
|
|
pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
|
|
|
|
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;
|
|
pipelineInfo.pColorBlendState = &colorBlending;
|
|
pipelineInfo.pDynamicState = &dynamicState;
|
|
|
|
pipelineInfo.layout = pipelineLayout;
|
|
|
|
pipelineInfo.renderPass = renderPass;
|
|
pipelineInfo.subpass = 0;
|
|
|
|
if (vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS) {
|
|
throw std::runtime_error("Failed to create graphics pipeline!");
|
|
}
|
|
|
|
|
|
vkDestroyShaderModule(device, vertShaderModule, nullptr);
|
|
vkDestroyShaderModule(device, fragShaderModule, nullptr);
|
|
|
|
}
|
|
|
|
void createFramebuffers() {
|
|
swapchainFrameBuffers.resize(swapChainImageViews.size());
|
|
|
|
for (size_t i = 0; i < swapChainImageViews.size(); i++) {
|
|
VkImageView attachements[] = {
|
|
swapChainImageViews[i]
|
|
};
|
|
|
|
|
|
VkFramebufferCreateInfo framebufferInfo{};
|
|
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
|
|
framebufferInfo.renderPass = renderPass;
|
|
framebufferInfo.attachmentCount = 1;
|
|
framebufferInfo.pAttachments = attachements;
|
|
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 command pool!");
|
|
}
|
|
|
|
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
void pickPhysicalDevice() {
|
|
uint32_t deviceCount = 0;
|
|
vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
|
|
|
|
if (deviceCount == 0) {
|
|
throw std::runtime_error("failed to find GPU's with Vulkan support!");
|
|
}
|
|
|
|
std::vector<VkPhysicalDevice> devices(deviceCount);
|
|
vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
|
|
|
|
for (const auto& device : devices) {
|
|
if (isDeviceSuitable(device)) {
|
|
physicalDevice = device;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (physicalDevice == VK_NULL_HANDLE) {
|
|
throw std::runtime_error("failed to find a suitable GPU");
|
|
}
|
|
}
|
|
|
|
bool isDeviceSuitable(VkPhysicalDevice device) {
|
|
|
|
QueueFamilyIndices indices = findQueueFamilies(device);
|
|
bool extensionSupported = checkDeviceExtensionSupport(device);
|
|
|
|
VkPhysicalDeviceProperties deviceProperties;
|
|
vkGetPhysicalDeviceProperties(device, &deviceProperties);
|
|
|
|
VkPhysicalDeviceFeatures deviceFeatures;
|
|
vkGetPhysicalDeviceFeatures(device, &deviceFeatures);
|
|
|
|
bool swapChainAdequate = false;
|
|
if (extensionSupported) {
|
|
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(device);
|
|
swapChainAdequate = !swapChainSupport.formats.empty() && !swapChainSupport.presentModes.empty();
|
|
}
|
|
|
|
|
|
return indices.isComplete() && extensionSupported && swapChainAdequate;
|
|
}
|
|
|
|
struct QueueFamilyIndices {
|
|
std::optional<uint32_t> graphicsFamily;
|
|
std::optional<uint32_t> presentFamily;
|
|
|
|
bool isComplete() {
|
|
return graphicsFamily.has_value() && presentFamily.has_value();
|
|
}
|
|
|
|
};
|
|
|
|
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) {
|
|
|
|
|
|
VkBool32 presentSupport = false;
|
|
vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
|
|
|
|
if (presentSupport) {
|
|
indices.presentFamily = i;
|
|
}
|
|
|
|
|
|
if (queueFamily.queueFlags & VK_QUEUE_GRAPHICS_BIT) {
|
|
indices.graphicsFamily = i;
|
|
}
|
|
|
|
if (indices.isComplete()) {
|
|
break;
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
return indices;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkDebugUtilsMessengerEXT* pDebugMessenger) {
|
|
auto func = (PFN_vkCreateDebugUtilsMessengerEXT)vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");
|
|
if (func != nullptr) {
|
|
return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
|
|
}
|
|
else {
|
|
return VK_ERROR_EXTENSION_NOT_PRESENT;
|
|
}
|
|
}
|
|
|
|
void setupDebugMessenger() {
|
|
if (!enableValidationLayers) return;
|
|
|
|
VkDebugUtilsMessengerCreateInfoEXT createinfo;
|
|
populateDebugMessengerCreateInfo(createinfo);
|
|
|
|
if (CreateDebugUtilsMessengerEXT(instance, &createinfo, nullptr, &debugMessenger) != VK_SUCCESS) {
|
|
throw std::runtime_error("failed to set up debug messenger!");
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
}
|
|
|
|
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();
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
void createInstance() {
|
|
if (enableValidationLayers && !checkValidationLayerSupport()) {
|
|
throw std::runtime_error("Validation layer requested, but not available!");
|
|
}
|
|
|
|
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;
|
|
|
|
VkDebugUtilsMessengerCreateInfoEXT debugcreateinfo{};
|
|
if (enableValidationLayers) {
|
|
createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
|
|
createInfo.ppEnabledLayerNames = validationLayers.data();
|
|
|
|
populateDebugMessengerCreateInfo(debugcreateinfo);
|
|
createInfo.pNext = (VkDebugUtilsMessengerCreateInfoEXT*)&debugcreateinfo;
|
|
|
|
}
|
|
else {
|
|
createInfo.enabledLayerCount = 0;
|
|
createInfo.pNext = nullptr;
|
|
}
|
|
|
|
|
|
auto extensions = getRequiredExtensions();
|
|
createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
|
|
createInfo.ppEnabledExtensionNames = extensions.data();
|
|
|
|
if (enableValidationLayers) {
|
|
createInfo.enabledLayerCount = static_cast<uint32_t> (validationLayers.size());
|
|
createInfo.ppEnabledLayerNames = validationLayers.data();
|
|
}
|
|
else {
|
|
createInfo.enabledLayerCount = 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
|
|
throw std::runtime_error("Failed to create instance!");
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
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.width, capabilities.minImageExtent.height, capabilities.minImageExtent.height);
|
|
|
|
return actualExtent;
|
|
}
|
|
}
|
|
|
|
void mainLoop(){
|
|
while (!glfwWindowShouldClose(window)){
|
|
glfwPollEvents();
|
|
drawFrame();
|
|
}
|
|
|
|
vkDeviceWaitIdle(device);
|
|
}
|
|
|
|
void drawFrame() {
|
|
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 signalSemaphore[] = { renderFinishedSemaphores[currentFrame]};
|
|
submitInfo.signalSemaphoreCount = 1;
|
|
submitInfo.pSignalSemaphores = signalSemaphore;
|
|
|
|
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 = signalSemaphore;
|
|
|
|
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!");
|
|
}
|
|
|
|
currentFrame = (currentFrame + 1) % MAX_FRAMES_IN_FLIGHT;
|
|
}
|
|
|
|
void cleanup(){
|
|
cleanupSwapChain();
|
|
|
|
vkDestroyBuffer(device, vertexBuffer, nullptr);
|
|
vkFreeMemory(device, vertexBufferMemory, nullptr);
|
|
vkDestroyPipeline(device, graphicsPipeline, nullptr);
|
|
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
|
vkDestroyRenderPass(device, renderPass, nullptr);
|
|
|
|
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
|
|
vkDestroySemaphore(device, imageAvailableSemaphores[i], nullptr);
|
|
vkDestroySemaphore(device, renderFinishedSemaphores[i], nullptr);
|
|
vkDestroyFence(device, inFlightFences[i], nullptr);
|
|
|
|
}
|
|
|
|
vkDestroyCommandPool(device, commandPool, nullptr);
|
|
|
|
|
|
vkDestroyDevice(device, nullptr);
|
|
if(enableValidationLayers){
|
|
DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
|
|
}
|
|
|
|
|
|
vkDestroySurfaceKHR(instance, surface, nullptr);
|
|
vkDestroyInstance(instance, nullptr);
|
|
|
|
|
|
glfwDestroyWindow(window);
|
|
glfwTerminate();
|
|
}
|
|
|
|
void populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo) {
|
|
createInfo = {};
|
|
createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
|
|
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;
|
|
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;
|
|
createInfo.pfnUserCallback = debugCallback;
|
|
}
|
|
|
|
void DestroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger, const VkAllocationCallbacks* pAllocator) {
|
|
auto func = (PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT");
|
|
if (func != nullptr) {
|
|
func(instance, debugMessenger, pAllocator);
|
|
}
|
|
}
|
|
|
|
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 ( ) {
|
|
HelloTriangleApplication app;
|
|
|
|
try{
|
|
app.run();
|
|
} catch (const std::exception& e){
|
|
std::cerr << e.what() << std::endl;
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
return EXIT_SUCCESS;
|
|
|
|
} |