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main.cpp
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main.cpp
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#define GLFW_INCLUDE_VULKAN
#define GLM_FORCE_RADIANS
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtx/string_cast.hpp>
#include <GLFW/glfw3.h>
#define STB_IMAGE_IMPLEMENTATION
#include "libraries/stb_image.h"
#include "VDeleter.h"
#include "mesh.h"
#include "utility.h"
#include "camera.h"
#include <vulkan/vulkan.h>
#include <chrono>
#include <iostream>
#include <stdexcept>
#include <functional>
#include <fstream>
#include <algorithm>
#include <vector>
#include <cstring>
#include <array>
const int WIDTH = 1080;
const int HEIGHT = 720;
const uint32_t RESOLUTION = 2048;
const auto clip = glm::mat4(1.0f, 0.0f, 0.0f, 0.0f,
0.0f, -1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f);
const std::vector<const char*> validationLayers = {
"VK_LAYER_LUNARG_standard_validation"
};
const std::vector<const char*> deviceExtensions = {
VK_KHR_SWAPCHAIN_EXTENSION_NAME
};
#ifdef NDEBUG
const bool enableValidationLayers = true;
#else
const bool enableValidationLayers = true;
#endif
enum ShaderType {
sphericalPoint, sphericalMesh
};
const ShaderType SHADER_TYPE = sphericalMesh;
void DestroyDebugReportCallbackEXT(VkInstance instance,
VkDebugReportCallbackEXT callback, const VkAllocationCallbacks* pAllocator) {
auto func = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(instance,
"vkDestroyDebugReportCallbackEXT");
if (func != nullptr) {
func(instance, callback, pAllocator);
}
}
VkResult CreateDebugReportCallbackEXT(VkInstance instance,
const VkDebugReportCallbackCreateInfoEXT* pCreateInfo,
const VkAllocationCallbacks* pAllocator, VkDebugReportCallbackEXT* pCallback) {
auto func = (PFN_vkCreateDebugReportCallbackEXT)vkGetInstanceProcAddr(instance,
"vkCreateDebugReportCallbackEXT");
if (func != nullptr) {
return func(instance, pCreateInfo, pAllocator, pCallback);
} else {
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
}
VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
VkDebugReportFlagsEXT flags,
VkDebugReportObjectTypeEXT objType,
uint64_t obj,
size_t location,
int32_t code,
const char* layerPrefix,
const char* msg,
void* userData) {
std::cerr << "validation layer: " << msg << std::endl;
return VK_FALSE;
}
struct UniformBufferObject {
glm::mat4 modelView;
glm::vec3 quantization;
float threshold;
};
class VulkanTestApplication {
public:
void run() {
initWindow();
mesh::buildMesh(RESOLUTION, RESOLUTION, vertices, indices);
initVulkan();
renderLoop();
}
private:
GLFWwindow* window;
VDeleter<VkInstance> instance{ vkDestroyInstance };
VDeleter<VkDevice> device{ vkDestroyDevice };
VkPhysicalDevice physicalDevice = VK_NULL_HANDLE;
VDeleter<VkSurfaceKHR> surface{ instance, vkDestroySurfaceKHR };
VkQueue graphicsQueue;
VkQueue presentQueue;
VDeleter<VkSwapchainKHR> swapChain{ device, vkDestroySwapchainKHR };
VkFormat swapChainImageFormat;
VkExtent2D swapChainExtent;
std::vector<VkImage> swapChainImages;
std::vector<VDeleter<VkImageView>> swapChainImageViews;
std::vector<VDeleter<VkFramebuffer>> swapChainFramebuffers;
VDeleter<VkShaderModule> vertShaderModule{ device, vkDestroyShaderModule };
VDeleter<VkShaderModule> geometryShaderModule{ device, vkDestroyShaderModule };
VDeleter<VkShaderModule> fragShaderModule{ device, vkDestroyShaderModule };
std::vector<mesh::Vertex> vertices = {};
std::vector<uint32_t> indices = {};
VDeleter<VkDeviceMemory> vertexBufferMemory{ device, vkFreeMemory };
VDeleter<VkBuffer> vertexBuffer{ device, vkDestroyBuffer };
VDeleter<VkBuffer> indexBuffer{ device, vkDestroyBuffer };
VDeleter<VkDeviceMemory> indexBufferMemory{ device, vkFreeMemory };
VDeleter<VkImage> textureImage{ device, vkDestroyImage };
VDeleter<VkDeviceMemory> textureImageMemory{ device, vkFreeMemory };
VDeleter<VkImageView> textureImageView{ device, vkDestroyImageView };
VDeleter<VkSampler> textureSampler{ device, vkDestroySampler };
VDeleter<VkImage> depthImage{ device, vkDestroyImage };
VDeleter<VkDeviceMemory> depthImageMemory{ device, vkFreeMemory };
VDeleter<VkImageView> depthImageView{ device, vkDestroyImageView };
VDeleter<VkBuffer> uniformBuffer{ device, vkDestroyBuffer };
VDeleter<VkDeviceMemory> uniformBufferMemory{ device, vkFreeMemory };
VDeleter<VkBuffer> uniformStagingBuffer{ device, vkDestroyBuffer };
VDeleter<VkDeviceMemory> uniformStagingBufferMemory{ device, vkFreeMemory };
VDeleter<VkRenderPass> renderPass{ device, vkDestroyRenderPass };
VDeleter<VkDescriptorSetLayout> descriptorSetLayout{ device, vkDestroyDescriptorSetLayout };
VDeleter<VkPipelineLayout> pipelineLayout{ device, vkDestroyPipelineLayout };
VDeleter<VkPipeline> graphicsPipeline{ device, vkDestroyPipeline };
VDeleter<VkDescriptorPool> descriptorPool{ device, vkDestroyDescriptorPool };
VkDescriptorSet descriptorSet;
VDeleter<VkCommandPool> commandPool{ device, vkDestroyCommandPool };
std::vector<VkCommandBuffer> commandBuffers;
VDeleter<VkQueryPool> queryPool{ device, vkDestroyQueryPool };
VDeleter<VkBuffer> queryResultBuffer{ device, vkDestroyBuffer };
VDeleter<VkDeviceMemory> queryResultBufferMemory{ device, vkFreeMemory };
VDeleter<VkSemaphore> imageAvailableSemaphore{ device, vkDestroySemaphore };
VDeleter<VkSemaphore> renderFinishedSemaphore{ device, vkDestroySemaphore };
VDeleter<VkDebugReportCallbackEXT> callback{ instance, DestroyDebugReportCallbackEXT };
Camera camera = Camera(WIDTH, HEIGHT);
static void key_callback(GLFWwindow* window, int key, int scancode, int action,
int mode) {
VulkanTestApplication* app = reinterpret_cast<VulkanTestApplication*>
(glfwGetWindowUserPointer(window));
app->camera.handleKeyInput(key);
}
static void mouse_callback(GLFWwindow* window, double xpos, double ypos) {
VulkanTestApplication* app = reinterpret_cast<VulkanTestApplication*>
(glfwGetWindowUserPointer(window));
app->camera.handleMouseInput(xpos, ypos);
}
static void mouse_button_callback(GLFWwindow* window, int button, int action,
int mods) {
VulkanTestApplication* app = reinterpret_cast<VulkanTestApplication*>
(glfwGetWindowUserPointer(window));
app->camera.handleMouseButton(button, action);
}
void initWindow() {
glfwInit();
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
window = glfwCreateWindow(WIDTH, HEIGHT, "Vulkan", nullptr, nullptr);
glfwSetKeyCallback(window, key_callback);
glfwSetCursorPosCallback(window, mouse_callback);
glfwSetMouseButtonCallback(window, mouse_button_callback);
glfwSetWindowUserPointer(window, this);
}
void initVulkan() {
createInstance();
setupDebugCallback();
createSurface();
pickPhysicalDevice();
createLogicalDevice();
createSwapChain();
createImageViews();
createRenderPass();
createDescriptorSetLayout();
createGraphicsPipeline();
createCommandPool();
createQueryPool();
createDepthResources();
createFramebuffers();
createTextureImage();
createTextureImageView();
createTextureSampler();
createVertexBuffer();
createIndexBuffer();
createUniformBuffer();
createDescriptorPool();
createDescriptorSet();
createCommandBuffers();
createSemaphores();
}
void createInstance() {
if (enableValidationLayers
&& !utility::checkValidationLayerSupport(validationLayers)) {
throw std::runtime_error("Validation layers requested, but not available!");
}
VkApplicationInfo appInfo = {};
appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
appInfo.pApplicationName = "Vulkan Test";
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;
if (!checkRequiredExtensions()) {
throw std::runtime_error("Extensions requested, but not available!");
}
auto extensions = getRequiredExtensions();
VkInstanceCreateInfo createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
createInfo.pApplicationInfo = &appInfo;
createInfo.enabledExtensionCount = extensions.size();
createInfo.ppEnabledExtensionNames = extensions.data();
createInfo.enabledLayerCount = 0;
if (enableValidationLayers) {
createInfo.enabledLayerCount = validationLayers.size();
createInfo.ppEnabledLayerNames = validationLayers.data();
} else {
createInfo.enabledLayerCount = 0;
}
VkResult result = vkCreateInstance(&createInfo, nullptr, instance.replace());
if (vkCreateInstance(&createInfo, nullptr, instance.replace()) != VK_SUCCESS) {
throw std::runtime_error("Failed to create Vulkan instance!");
}
}
void setupDebugCallback() {
if (!enableValidationLayers) return;
VkDebugReportCallbackCreateInfoEXT createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CALLBACK_CREATE_INFO_EXT;
createInfo.flags = VK_DEBUG_REPORT_ERROR_BIT_EXT |
VK_DEBUG_REPORT_WARNING_BIT_EXT;
createInfo.pfnCallback = debugCallback;
if (CreateDebugReportCallbackEXT(instance, &createInfo, nullptr,
callback.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to set up debug callback!");
}
}
void createSurface() {
if (glfwCreateWindowSurface(instance, window, nullptr,
surface.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create window surface!");
}
}
void pickPhysicalDevice() {
uint32_t deviceCount = 0;
vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
if (deviceCount == 0) {
throw std::runtime_error("failed to find GPUs with Vulkan support!");
}
std::vector<VkPhysicalDevice> devices(deviceCount);
vkEnumeratePhysicalDevices(instance, &deviceCount, devices.data());
for (const auto& device : devices) {
if (utility::isDeviceSuitable(device, surface, deviceExtensions)) {
physicalDevice = device;
break;
}
}
if (physicalDevice == VK_NULL_HANDLE) {
throw std::runtime_error("failed to find a suitable GPU!");
}
}
void createLogicalDevice() {
utility::QueueFamilyIndices indices = utility::findQueueFamilies(
physicalDevice, surface);
std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
std::set<int> uniqueQueueFamilies = { indices.graphicsFamily, indices.presentFamily };
float queuePriority = 1.0f;
for (int queueFamily : uniqueQueueFamilies) {
VkDeviceQueueCreateInfo queueCreateInfo = {};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueFamilyIndex = queueFamily;
queueCreateInfo.queueCount = 1;
queueCreateInfo.pQueuePriorities = &queuePriority;
queueCreateInfos.push_back(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures = {};
deviceFeatures.geometryShader = true;
deviceFeatures.pipelineStatisticsQuery = true;
VkDeviceCreateInfo createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
createInfo.pQueueCreateInfos = queueCreateInfos.data();
createInfo.queueCreateInfoCount = (uint32_t)queueCreateInfos.size();
createInfo.pEnabledFeatures = &deviceFeatures;
createInfo.enabledExtensionCount = deviceExtensions.size();
createInfo.ppEnabledExtensionNames = deviceExtensions.data();
if (enableValidationLayers) {
createInfo.enabledLayerCount = validationLayers.size();
createInfo.ppEnabledLayerNames = validationLayers.data();
} else {
createInfo.enabledLayerCount = 0;
}
if (vkCreateDevice(physicalDevice, &createInfo, nullptr,
device.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create logical device!");
}
vkGetDeviceQueue(device, indices.graphicsFamily, 0, &graphicsQueue);
vkGetDeviceQueue(device, indices.presentFamily, 0, &presentQueue);
}
void createSwapChain() {
utility::SwapChainSupportDetails swapChainSupport =
utility::querySwapChainSupport(
physicalDevice, surface);
VkSurfaceFormatKHR surfaceFormat = utility::chooseSwapSurfaceFormat(
swapChainSupport.formats);
VkPresentModeKHR presentMode = utility::chooseSwapPresentMode(
swapChainSupport.presentModes);
VkExtent2D extent = utility::chooseSwapExtent(swapChainSupport.capabilities,
WIDTH, HEIGHT);
uint32_t imageCount = swapChainSupport.capabilities.minImageCount + 1;
if (swapChainSupport.capabilities.maxImageCount > 0
&& imageCount > swapChainSupport.capabilities.maxImageCount) {
imageCount = swapChainSupport.capabilities.maxImageCount;
}
VkSwapchainCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
createInfo.surface = surface;
createInfo.minImageCount = imageCount;
createInfo.imageFormat = surfaceFormat.format;
createInfo.imageColorSpace = surfaceFormat.colorSpace;
createInfo.imageExtent = extent;
createInfo.imageArrayLayers = 1;
createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swapChainImageFormat = surfaceFormat.format;
swapChainExtent = extent;
utility::QueueFamilyIndices indices = utility::findQueueFamilies(physicalDevice,
surface);
uint32_t queueFamilyIndices[] = { (uint32_t)indices.graphicsFamily, (uint32_t)indices.presentFamily };
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;
VkSwapchainKHR oldSwapChain = swapChain;
createInfo.oldSwapchain = oldSwapChain;
VkSwapchainKHR newSwapChain;
if (vkCreateSwapchainKHR(device, &createInfo, nullptr,
&newSwapChain) != VK_SUCCESS) {
throw std::runtime_error("failed to create swap chain!");
}
swapChain = newSwapChain;
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
swapChainImages.resize(imageCount);
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
}
void recreateSwapChain() {
vkDeviceWaitIdle(device);
createSwapChain();
createImageViews();
createRenderPass();
createGraphicsPipeline();
createFramebuffers();
createCommandBuffers();
}
void createImageViews() {
swapChainImageViews.resize(swapChainImages.size(), VDeleter<VkImageView> {device, vkDestroyImageView});
for (uint32_t i = 0; i < swapChainImages.size(); i++) {
utility::createImageView(device, swapChainImages[i], swapChainImageFormat,
VK_IMAGE_ASPECT_COLOR_BIT,
swapChainImageViews[i]);
}
}
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;
VkAttachmentDescription depthAttachment = {};
depthAttachment.format = findDepthFormat();
depthAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
depthAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
depthAttachment.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
depthAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthAttachment.initialLayout =
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
depthAttachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentReference depthAttachmentRef = {};
depthAttachmentRef.attachment = 1;
depthAttachmentRef.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkSubpassDescription subPass = {};
subPass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subPass.colorAttachmentCount = 1;
subPass.pColorAttachments = &colorAttachmentRef;
subPass.pDepthStencilAttachment = &depthAttachmentRef;
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_READ_BIT |
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
std::array<VkAttachmentDescription, 2> attachments = { colorAttachment, depthAttachment };
VkRenderPassCreateInfo renderPassInfo = {};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassInfo.attachmentCount = attachments.size();
renderPassInfo.pAttachments = attachments.data();
renderPassInfo.subpassCount = 1;
renderPassInfo.pSubpasses = &subPass;
renderPassInfo.dependencyCount = 1;
renderPassInfo.pDependencies = &dependency;
if (vkCreateRenderPass(device, &renderPassInfo, nullptr,
renderPass.replace()) != 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_VERTEX_BIT |
VK_SHADER_STAGE_GEOMETRY_BIT;
VkDescriptorSetLayoutBinding samplerLayoutBinding = {};
samplerLayoutBinding.binding = 1;
samplerLayoutBinding.descriptorCount = 1;
samplerLayoutBinding.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
samplerLayoutBinding.pImmutableSamplers = nullptr;
samplerLayoutBinding.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT |
VK_SHADER_STAGE_VERTEX_BIT;
switch (SHADER_TYPE) {
case ShaderType::sphericalPoint:
samplerLayoutBinding.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT |
VK_SHADER_STAGE_VERTEX_BIT;
break;
case ShaderType::sphericalMesh:
samplerLayoutBinding.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT |
VK_SHADER_STAGE_GEOMETRY_BIT;
break;
}
std::array<VkDescriptorSetLayoutBinding, 2> bindings = { uboLayoutBinding, samplerLayoutBinding };
VkDescriptorSetLayoutCreateInfo layoutInfo = {};
layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
layoutInfo.bindingCount = bindings.size();
layoutInfo.pBindings = bindings.data();
if (vkCreateDescriptorSetLayout(device, &layoutInfo, nullptr,
descriptorSetLayout.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create descriptor set layout!");
}
}
void createGraphicsPipeline() {
std::vector<char> vertShaderCode;
std::vector<char> geometryShaderCode;
std::vector<char> fragShaderCode;
switch (SHADER_TYPE) {
case ShaderType::sphericalPoint:
vertShaderCode = utility::readFile("shaders/pointVert.spv");
geometryShaderCode = utility::readFile("shaders/pointGeom.spv");
fragShaderCode = utility::readFile("shaders/frag.spv");
break;
case ShaderType::sphericalMesh:
vertShaderCode = utility::readFile("shaders/meshVert.spv");
geometryShaderCode = utility::readFile("shaders/meshGeom.spv");
fragShaderCode = utility::readFile("shaders/frag.spv");
break;
}
utility::createShaderModule(device, vertShaderCode, vertShaderModule);
utility::createShaderModule(device, geometryShaderCode, geometryShaderModule);
utility::createShaderModule(device, fragShaderCode, fragShaderModule);
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 geoemtryShaderStageInfo = {};
geoemtryShaderStageInfo.sType =
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
geoemtryShaderStageInfo.stage = VK_SHADER_STAGE_GEOMETRY_BIT;
geoemtryShaderStageInfo.module = geometryShaderModule;
geoemtryShaderStageInfo.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, geoemtryShaderStageInfo, fragShaderStageInfo };
VkPipelineVertexInputStateCreateInfo vertexInputInfo = {};
vertexInputInfo.sType =
VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
auto bindingDescription = mesh::Vertex::getBindingDescription();
auto attributeDescriptions = mesh::Vertex::getAttributeDescriptions();
vertexInputInfo.vertexBindingDescriptionCount = 1;
vertexInputInfo.vertexAttributeDescriptionCount = attributeDescriptions.size();
vertexInputInfo.pVertexBindingDescriptions = &bindingDescription;
vertexInputInfo.pVertexAttributeDescriptions = attributeDescriptions.data();
VkPipelineInputAssemblyStateCreateInfo inputAssembly = {};
inputAssembly.sType =
VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
if (SHADER_TYPE == ShaderType::sphericalPoint) {
inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_POINT_LIST;
} else {
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_NONE;
rasterizer.frontFace = VK_FRONT_FACE_COUNTER_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;
VkDynamicState dynamicStates[] = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_LINE_WIDTH
};
VkPipelineColorBlendStateCreateInfo colorBlending = {};
colorBlending.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
colorBlending.logicOpEnable = VK_FALSE;
colorBlending.logicOp = VK_LOGIC_OP_COPY;
colorBlending.attachmentCount = 1;
colorBlending.pAttachments = &colorBlendAttachment;
colorBlending.blendConstants[0] = 0.0f;
colorBlending.blendConstants[1] = 0.0f;
colorBlending.blendConstants[2] = 0.0f;
colorBlending.blendConstants[3] = 0.0f;
VkDescriptorSetLayout setLayouts[] = { descriptorSetLayout };
VkPipelineLayoutCreateInfo pipelineLayoutInfo = {};
pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
pipelineLayoutInfo.setLayoutCount = 1;
pipelineLayoutInfo.pSetLayouts = setLayouts;
if (vkCreatePipelineLayout(device, &pipelineLayoutInfo, nullptr,
pipelineLayout.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create pipeline layout!");
}
VkPipelineDepthStencilStateCreateInfo depthStencil = {};
depthStencil.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
depthStencil.depthTestEnable = VK_TRUE;
depthStencil.depthWriteEnable = VK_TRUE;
depthStencil.depthCompareOp = VK_COMPARE_OP_LESS_OR_EQUAL;
depthStencil.depthBoundsTestEnable = VK_FALSE;
depthStencil.stencilTestEnable = VK_FALSE;
VkGraphicsPipelineCreateInfo pipelineInfo = {};
pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
pipelineInfo.stageCount = 3;
pipelineInfo.pStages = shaderStages;
pipelineInfo.pVertexInputState = &vertexInputInfo;
pipelineInfo.pInputAssemblyState = &inputAssembly;
pipelineInfo.pViewportState = &viewportState;
pipelineInfo.pRasterizationState = &rasterizer;
pipelineInfo.pMultisampleState = &multisampling;
pipelineInfo.pColorBlendState = &colorBlending;
pipelineInfo.layout = pipelineLayout;
pipelineInfo.renderPass = renderPass;
pipelineInfo.subpass = 0;
pipelineInfo.basePipelineHandle = VK_NULL_HANDLE;
pipelineInfo.pDepthStencilState = &depthStencil;
if (vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr,
graphicsPipeline.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create graphics pipeline!");
}
}
void createCommandPool() {
utility::QueueFamilyIndices queueFamilyIndices = utility::findQueueFamilies(
physicalDevice, surface);
VkCommandPoolCreateInfo poolInfo = {};
poolInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
poolInfo.queueFamilyIndex = queueFamilyIndices.graphicsFamily;
if (vkCreateCommandPool(device, &poolInfo, nullptr,
commandPool.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create command pool!");
}
}
void createQueryPool() {
utility::QueueFamilyIndices queueFamilyIndices = utility::findQueueFamilies(
physicalDevice, surface);
VkQueryPoolCreateInfo poolInfo = {};
poolInfo.sType = VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO;
poolInfo.pNext = NULL;
poolInfo.queryType = VK_QUERY_TYPE_PIPELINE_STATISTICS;
poolInfo.flags = 0;
poolInfo.queryCount = 1;
poolInfo.pipelineStatistics =
VK_QUERY_PIPELINE_STATISTIC_GEOMETRY_SHADER_PRIMITIVES_BIT;
if (vkCreateQueryPool(device, &poolInfo, nullptr,
queryPool.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create query pool!");
}
utility::createBuffer(device, physicalDevice, 4 * sizeof(uint64_t),
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
VK_SHARING_MODE_EXCLUSIVE, queryResultBuffer, queryResultBufferMemory);
}
VkFormat findDepthFormat() {
return utility::findSupportedFormat(physicalDevice,
{ VK_FORMAT_D32_SFLOAT, VK_FORMAT_D32_SFLOAT_S8_UINT, VK_FORMAT_D24_UNORM_S8_UINT },
VK_IMAGE_TILING_OPTIMAL,
VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT
);
}
void createDepthResources() {
VkFormat depthFormat = findDepthFormat();
utility::createImage(device, physicalDevice, swapChainExtent.width,
swapChainExtent.height, depthFormat,
VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, depthImage, depthImageMemory);
utility::createImageView(device, depthImage, depthFormat,
VK_IMAGE_ASPECT_DEPTH_BIT,
depthImageView);
utility::transitionImageLayout(device, commandPool, graphicsQueue, depthImage,
depthFormat, VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
}
void createFramebuffers() {
swapChainFramebuffers.resize(swapChainImageViews.size(),
VDeleter<VkFramebuffer> {device, vkDestroyFramebuffer});
for (size_t i = 0; i < swapChainImageViews.size(); i++) {
std::array<VkImageView, 2> attachments = {
swapChainImageViews[i],
depthImageView
};
VkFramebufferCreateInfo framebufferInfo = {};
framebufferInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
framebufferInfo.renderPass = renderPass;
framebufferInfo.attachmentCount = attachments.size();
framebufferInfo.pAttachments = attachments.data();
framebufferInfo.width = swapChainExtent.width;
framebufferInfo.height = swapChainExtent.height;
framebufferInfo.layers = 1;
if (vkCreateFramebuffer(device, &framebufferInfo, nullptr,
swapChainFramebuffers[i].replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create framebuffer!");
}
}
}
void createTextureImage() {
int texWidth, texHeight, texChannels;
stbi_uc* pixels = stbi_load("textures/view0Data.png", &texWidth, &texHeight,
&texChannels, STBI_rgb_alpha);
VkDeviceSize imageSize = texWidth * texHeight * 4;
if (!pixels) {
throw std::runtime_error("failed to load texture image!");
}
VDeleter<VkImage> stagingImage{ device, vkDestroyImage };
VDeleter<VkDeviceMemory> stagingImageMemory{ device, vkFreeMemory };
utility::createImage(device, physicalDevice, texWidth, texHeight,
VK_FORMAT_R8G8B8A8_UNORM,
VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
stagingImage, stagingImageMemory);
void* data;
vkMapMemory(device, stagingImageMemory, 0, imageSize, 0, &data);
memcpy(data, pixels, (size_t)imageSize);
vkUnmapMemory(device, stagingImageMemory);
stbi_image_free(pixels);
utility::createImage(
device, physicalDevice,
texWidth, texHeight,
VK_FORMAT_R8G8B8A8_UNORM,
VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
textureImage,
textureImageMemory
);
utility::transitionImageLayout(device, commandPool, graphicsQueue, stagingImage,
VK_FORMAT_R8G8B8A8_UNORM,
VK_IMAGE_LAYOUT_PREINITIALIZED, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
utility::transitionImageLayout(device, commandPool, graphicsQueue, textureImage,
VK_FORMAT_R8G8B8A8_UNORM,
VK_IMAGE_LAYOUT_PREINITIALIZED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
utility::copyImage(device, commandPool, graphicsQueue, stagingImage,
textureImage, texWidth, texHeight);
utility::transitionImageLayout(device, commandPool, graphicsQueue, textureImage,
VK_FORMAT_R8G8B8A8_UNORM,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
}
void createTextureImageView() {
utility::createImageView(device, textureImage, VK_FORMAT_R8G8B8A8_UNORM,
VK_IMAGE_ASPECT_COLOR_BIT, textureImageView);
}
void createTextureSampler() {
VkSamplerCreateInfo samplerInfo = {};
samplerInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
samplerInfo.magFilter = VK_FILTER_LINEAR;
samplerInfo.minFilter = VK_FILTER_LINEAR;
samplerInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT;
samplerInfo.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
samplerInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
samplerInfo.anisotropyEnable = VK_TRUE;
samplerInfo.maxAnisotropy = 16;
samplerInfo.borderColor = VK_BORDER_COLOR_INT_OPAQUE_BLACK;
samplerInfo.unnormalizedCoordinates = VK_FALSE;
samplerInfo.compareEnable = VK_FALSE;
samplerInfo.compareOp = VK_COMPARE_OP_ALWAYS;
samplerInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
samplerInfo.mipLodBias = 0.0f;
samplerInfo.minLod = 0.0f;
samplerInfo.maxLod = 0.0f;
if (vkCreateSampler(device, &samplerInfo, nullptr,
textureSampler.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create texture sampler!");
}
}
void createVertexBuffer() {
VkDeviceSize bufferSize = sizeof(vertices[0]) * vertices.size();
VDeleter<VkBuffer> stagingBuffer{ device, vkDestroyBuffer };
VDeleter<VkDeviceMemory> stagingBufferMemory{ device, vkFreeMemory };
utility::createBuffer(device, physicalDevice, 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);
utility::createBuffer(device, physicalDevice, bufferSize,
VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vertexBuffer, vertexBufferMemory);
utility::copyBuffer(device, commandPool, graphicsQueue, stagingBuffer,
vertexBuffer, bufferSize);
}
void createIndexBuffer() {
VkDeviceSize bufferSize = sizeof(indices[0]) * indices.size();
VDeleter<VkBuffer> stagingBuffer{ device, vkDestroyBuffer };
VDeleter<VkDeviceMemory> stagingBufferMemory{ device, vkFreeMemory };
utility::createBuffer(device, physicalDevice, 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);
utility::createBuffer(device, physicalDevice, bufferSize,
VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indexBuffer, indexBufferMemory);
utility::copyBuffer(device, commandPool, graphicsQueue, stagingBuffer,
indexBuffer, bufferSize);
}
void createUniformBuffer() {
VkDeviceSize bufferSize = sizeof(UniformBufferObject);
utility::createBuffer(device, physicalDevice, bufferSize,
VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
uniformStagingBuffer, uniformStagingBufferMemory);
utility::createBuffer(device, physicalDevice, bufferSize,
VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, uniformBuffer, uniformBufferMemory);
}
void createDescriptorPool() {
std::array<VkDescriptorPoolSize, 2> poolSizes = {};
poolSizes[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
poolSizes[0].descriptorCount = 1;
poolSizes[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
poolSizes[1].descriptorCount = 1;
VkDescriptorPoolCreateInfo poolInfo = {};
poolInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
poolInfo.poolSizeCount = poolSizes.size();
poolInfo.pPoolSizes = poolSizes.data();
poolInfo.maxSets = 1;
if (vkCreateDescriptorPool(device, &poolInfo, nullptr,
descriptorPool.replace()) != VK_SUCCESS) {
throw std::runtime_error("failed to create descriptor pool!");
}
}
void createDescriptorSet() {
VkDescriptorSetLayout layouts[] = { descriptorSetLayout };
VkDescriptorSetAllocateInfo allocInfo = {};
allocInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
allocInfo.descriptorPool = descriptorPool;
allocInfo.descriptorSetCount = 1;
allocInfo.pSetLayouts = layouts;
if (vkAllocateDescriptorSets(device, &allocInfo,
&descriptorSet) != VK_SUCCESS) {
throw std::runtime_error("failed to allocate descriptor set!");
}
VkDescriptorBufferInfo bufferInfo = {};
bufferInfo.buffer = uniformBuffer;
bufferInfo.offset = 0;
bufferInfo.range = sizeof(UniformBufferObject);
VkDescriptorImageInfo imageInfo = {};
imageInfo.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
imageInfo.imageView = textureImageView;
imageInfo.sampler = textureSampler;
std::array<VkWriteDescriptorSet, 2> descriptorWrites = {};
descriptorWrites[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptorWrites[0].dstSet = descriptorSet;
descriptorWrites[0].dstBinding = 0;
descriptorWrites[0].dstArrayElement = 0;
descriptorWrites[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptorWrites[0].descriptorCount = 1;
descriptorWrites[0].pBufferInfo = &bufferInfo;
descriptorWrites[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
descriptorWrites[1].dstSet = descriptorSet;
descriptorWrites[1].dstBinding = 1;
descriptorWrites[1].dstArrayElement = 0;
descriptorWrites[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
descriptorWrites[1].descriptorCount = 1;
descriptorWrites[1].pImageInfo = &imageInfo;
vkUpdateDescriptorSets(device, descriptorWrites.size(), descriptorWrites.data(),
0, nullptr);
}