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Rendering.cpp
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Rendering.cpp
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#define GLFW_INCLUDE_VULKAN
#include <GLFW/glfw3.h>
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
#include <stdexcept>
#include <functional>
#include <cstdlib>
#include <iostream>
#include <fstream>
#include <vector>
#include <unordered_map>
#include <set>
#include <algorithm>
#include <memory>
#include <chrono>
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
#include "glm/gtc/matrix_transform.hpp"
#define TINYOBJLOADER_IMPLEMENTATION
#include "tiny_obj_loader.h"
#include "types/VulkanTypes.h"
using namespace vulkan;
class RenderingApplication
{
private:
// Handles
GLFWwindow * window;
VkInstance vulkanInstance = VK_NULL_HANDLE;
VkSurfaceKHR surface = VK_NULL_HANDLE;
VkPhysicalDevice vulkanDevice = VK_NULL_HANDLE;
VkDevice logicalDevice = VK_NULL_HANDLE;
VkSwapchainKHR swapChain = VK_NULL_HANDLE;
VkDebugUtilsMessengerEXT debugMessenger = VK_NULL_HANDLE;
VkQueue graphicsQueue = VK_NULL_HANDLE;
VkQueue presentQueue = VK_NULL_HANDLE;
VkQueue transferQueue = VK_NULL_HANDLE;
// Informations
VkExtent2D imageExtend;
VkSurfaceFormatKHR choosenSurfaceFormat;
std::vector<VkImage> swapChainImages;
std::vector<VkImageView> swapChainImageViews;
std::vector<VkFramebuffer> swapChainframeBuffers;
VkRenderPass renderPass;
VkDescriptorSetLayout descriptorSetLayout;
VkPipelineLayout pipelineLayout;
VkPipeline pipeLine;
// Vertex Buffer
VkBuffer vertexBuffer;
VkDeviceMemory vertexBufferMemory;
// Indices
VkBuffer indicesBuffer;
VkDeviceMemory indicesBufferMemory;
// Uniform buffer
std::vector<VkBuffer> uniformBuffers;
std::vector<VkDeviceMemory> uniformBuffersMemory;
VkDescriptorPool descriptorPool;
std::vector<VkDescriptorSet> descriptorSets;
// Image buffers
struct TextureData {
uint32_t mipLevelsCount;
VkImage textureImage;
VkDeviceMemory textureImageMemory;
VkImageView textureImageView;
VkSampler textureSampler;
};
std::vector<TextureData> textures;
VkSampleCountFlagBits msaaSampleBitsCount;
VkImage depthTexture;
VkDeviceMemory depthTextureMemory;
VkImageView depthTextureImageView;
VkFormat depthFormat;
VkImage msaaColorRenderTarget;
VkDeviceMemory colorRenderTargetMemory;
VkImageView colorRenderTargetImageView;
VkCommandPool graphicsCmdPool;
std::vector<VkCommandBuffer> graphicsCmdBuffers;
VkCommandPool transferCmdPool;
// Synchronizing
std::vector<VkSemaphore> imageAvailableSemaphores;
std::vector<VkSemaphore> imageRenderedSemaphores;
std::vector<VkFence> fences;
// Instance data
int currentFrame;
bool bIsWindowResized = false;
std::vector<Vertex> vertices;
std::vector<uint32_t> indices;
// Multi view port data
VkRenderPass mvRenderPass;
/*
*Depth Data
*/
VkImage mvDepthTexture;
VkImageView mvDepthTextureImageView;
VkDeviceMemory mvDepthTextureMemory;
/*
*Color Texture
*/
VkImage mvColorTexture;
VkImageView mvColorTextureImageView;
VkDeviceMemory mvColorTextureMemory;
VkSampler mvColorTextureSampler;
VkFramebuffer mvFramebuffer;
uint32_t noOfViews=2;
VkPipelineLayout mvPipelineLayout;
std::array<VkPipeline, 2> mvFramePipelines;
VkDescriptorSetLayout textureDescriptorSetLayout;
VkDescriptorSet textureDescriptorSet;
VkFence mvTaskFence;
VkSemaphore mvRenderingSemaphore;
std::vector<VkCommandBuffer> mvCmdBuffers;
float defaultDistortionAlpha = 0.5f;
float currentDistAlpha;
// Multi view port data ends
public:
const int MAX_PARALLEL_FRAMES = 2;
const uint16_t WND_WIDTH = 1280, WND_HEIGHT = 720;
// Extensions that developer needs other than required Extensions for API Instance
const std::vector<const char*> ADDITIONAL_INSTANCE_EXTENSIONS = {
#ifndef NDEBUG
VK_EXT_DEBUG_UTILS_EXTENSION_NAME,
#endif
VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME
};
const std::vector<const char*> ADDITIONAL_DEVICE_EXTENSIONS = {
VK_KHR_SWAPCHAIN_EXTENSION_NAME,
"VK_KHX_multiview"
};
// List of layers to be enabled when instance creation
const std::vector<const char*> LAYERS_TO_ENABLE = {
"VK_LAYER_LUNARG_standard_validation"
};
#ifdef NDEBUG
bool bUseDebugMessenger = false;
#else
bool bUseDebugMessenger = true;
#endif
public:
void run()
{
initApp();
mainLoop();
cleanUp();
}
private:
void initApp()
{
currentDistAlpha = defaultDistortionAlpha;
initGLFW();
initVulkan();
}
void mainLoop()
{
while (!glfwWindowShouldClose(window))
{
glfwPollEvents();
drawFrame();
}
vkDeviceWaitIdle(logicalDevice);
}
void cleanUp()
{
cleanSemaphores();
vkDestroyCommandPool(logicalDevice, graphicsCmdPool, nullptr);
vkDestroyBuffer(logicalDevice, vertexBuffer, nullptr);
vkFreeMemory(logicalDevice, vertexBufferMemory, nullptr);
vkDestroyBuffer(logicalDevice, indicesBuffer, nullptr);
vkFreeMemory(logicalDevice, indicesBufferMemory, nullptr);
vkDestroySampler(logicalDevice, mvColorTextureSampler, nullptr);
vkDestroyDescriptorPool(logicalDevice, descriptorPool, nullptr);
cleanUniformBuffers();
for (TextureData td : textures)
{
vkDestroySampler(logicalDevice, td.textureSampler, nullptr);
vkDestroyImageView(logicalDevice, td.textureImageView, nullptr);
vkDestroyImage(logicalDevice, td.textureImage, nullptr);
vkFreeMemory(logicalDevice, td.textureImageMemory, nullptr);
}
vkDestroyCommandPool(logicalDevice, transferCmdPool, nullptr);
cleanFrameBuffers(logicalDevice);
cleanDepthResource();
cleanImageResources();
vkDestroyDescriptorSetLayout(logicalDevice, textureDescriptorSetLayout, nullptr);
vkDestroyDescriptorSetLayout(logicalDevice, descriptorSetLayout, nullptr);
vkDestroyPipeline(logicalDevice, pipeLine, nullptr);
for (uint32_t i = 0; i < noOfViews; i++)
{
vkDestroyPipeline(logicalDevice, mvFramePipelines[i], nullptr);
}
vkDestroyPipelineLayout(logicalDevice, mvPipelineLayout, nullptr);
vkDestroyPipelineLayout(logicalDevice, pipelineLayout, nullptr);
vkDestroyRenderPass(logicalDevice, renderPass, nullptr);
vkDestroyRenderPass(logicalDevice, mvRenderPass, nullptr);
cleanImageViews();
vkDestroySwapchainKHR(logicalDevice, swapChain, nullptr);
vkDestroyDevice(logicalDevice, nullptr);
if (bUseDebugMessenger)
cleanDebugMessengerUtils();
vkDestroySurfaceKHR(vulkanInstance, surface, nullptr);
vkDestroyInstance(vulkanInstance, nullptr);
glfwDestroyWindow(window);
glfwTerminate();
vulkanInstance = nullptr;
window = nullptr;
}
void initGLFW()
{
glfwInit();
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
window = glfwCreateWindow(WND_WIDTH, WND_HEIGHT, "Vulkan Test", nullptr, nullptr);
glfwSetKeyCallback(window, keyCallback);
glfwSetWindowUserPointer(window, this);
glfwSetFramebufferSizeCallback(window, onWidowResize);
}
void initVulkan()
{
//loadModel(MDL_PATH);
createCylinder(cylinderH, cylinderR, noOfSlices, cylinderAngle);
createVulkanInstance();
vulkan::VulkanTypes::setupNecessaryApi(vulkanInstance);
if (bUseDebugMessenger)
setupDebugMessengerUtils();
createSurface();
pickVulkanDevice();
createLogicalDevice();
createSwapChain();
obtainImageAndImgViews();
createRenderPass();
createDescriptorLayout();
createRenderPipeline();
createCommandPool();
createImageResources();
createDepthResources();
createFramebuffers();
createVertexBuffers();
createIndexBuffers();
textures.resize(noOfViews);
createImageTextureAndView("Textures/left.jpg",0);
createImageTextureAndView("Textures/right.jpg", 1);
createTextureSampler();
createUniformBuffers();
createDescriptorPool();
allocDescriptorSets();
allocAndRecordCmdBuffers();
createSemaphores();
}
static void onWidowResize(GLFWwindow* window, int width, int height)
{
RenderingApplication* app = reinterpret_cast<RenderingApplication*>(glfwGetWindowUserPointer(window));
app->bIsWindowResized = true;
}
void createVulkanInstance()
{
VkApplicationInfo appInfo = {};
appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
appInfo.pApplicationName = "Test Render";
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 createInstanceInfo = VkInstanceCreateInfo();
createInstanceInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
createInstanceInfo.pApplicationInfo = &appInfo;
uint32_t requiredExtensionCount;
const char **requiredExtensionNames = glfwGetRequiredInstanceExtensions(&requiredExtensionCount);
uint32_t sprtExtensionCount;
vkEnumerateInstanceExtensionProperties(nullptr, &sprtExtensionCount, nullptr);
std::vector<VkExtensionProperties> sprtExtensions(sprtExtensionCount);
vkEnumerateInstanceExtensionProperties(nullptr, &sprtExtensionCount, sprtExtensions.data());
std::vector<const char*> useableExtensions = getAvailableExtensions(sprtExtensions, ADDITIONAL_INSTANCE_EXTENSIONS);
std::vector<const char*> finalExtensionList(useableExtensions.size() + requiredExtensionCount);
for (uint32_t i = 0; i < requiredExtensionCount; i++)
{
finalExtensionList[i] = requiredExtensionNames[i];
}
for (uint32_t i = 0; i < useableExtensions.size(); i++)
{
finalExtensionList[requiredExtensionCount + i] = useableExtensions[i];
}
createInstanceInfo.enabledExtensionCount = (uint32_t)finalExtensionList.size();
createInstanceInfo.ppEnabledExtensionNames = finalExtensionList.data();
std::vector<const char*> finalLayerList = {};
if (bUseDebugMessenger)
{
uint32_t availableLayersCount;
vkEnumerateInstanceLayerProperties(&availableLayersCount, nullptr);
std::vector<VkLayerProperties> availableLayers(availableLayersCount);
vkEnumerateInstanceLayerProperties(&availableLayersCount, availableLayers.data());
finalLayerList = getAvailableLayers(availableLayers, LAYERS_TO_ENABLE);
}
createInstanceInfo.enabledLayerCount = (uint32_t)finalLayerList.size();
createInstanceInfo.ppEnabledLayerNames = finalLayerList.data();
VkResult result = vkCreateInstance(&createInstanceInfo, nullptr, &vulkanInstance);
if (result == VK_SUCCESS)
{
std::cout << "Successfully created Vulkan Instance" << std::endl;
}
else
{
std::string errorMsg = "Failure in instantiating Vulkan!\n Cause : ";
switch (result)
{
case VK_ERROR_LAYER_NOT_PRESENT:
errorMsg.append("One/More of requested Vulkan layer/s is not available");
break;
case VK_ERROR_EXTENSION_NOT_PRESENT:
errorMsg.append("One/More of requested Vulkan extension/s is not available");
break;
default:
errorMsg.append("Other Reasons");
break;
}
throw std::runtime_error(errorMsg.c_str());
}
}
void createSurface()
{
if (glfwCreateWindowSurface(vulkanInstance, window, nullptr, &surface) != VK_SUCCESS)
{
throw std::runtime_error("Failed to create Surface KHR from Window for process");
}
}
std::vector<const char*> getAvailableExtensions(std::vector<VkExtensionProperties>& detectedExt, const std::vector<const char*>&
queryingExtensions)
{
std::vector<const char*> returnData;
const char* extensionChars = nullptr;
std::string exts = "";
for (const VkExtensionProperties& ext : detectedExt)
{
exts.append(ext.extensionName);
}
extensionChars = exts.c_str();
for (const char* ext : queryingExtensions)
{
if (strstr(extensionChars, ext) != nullptr)
{
returnData.push_back(ext);
}
else
{
std::cerr << "Extension " << ext << " is not available" << std::endl;
}
}
returnData.shrink_to_fit();
return returnData;
}
std::vector<const char*> getAvailableLayers(std::vector<VkLayerProperties>& detectedLayers, const std::vector<const char*>&
queryingLayers)
{
std::vector<const char*> returnData;
const char* layerChars = nullptr;
std::string layers = "";
for (const VkLayerProperties& layer : detectedLayers)
{
layers.append(layer.layerName);
}
layerChars = layers.c_str();
for (const char* layer : queryingLayers)
{
if (strstr(layerChars, layer) != nullptr)
{
returnData.push_back(layer);
}
else
{
std::cerr << "Layer " << layer << " is not available" << std::endl;
}
}
returnData.shrink_to_fit();
return returnData;
}
void pickVulkanDevice()
{
uint32_t supportedDeviceCount = 0;
vkEnumeratePhysicalDevices(vulkanInstance, &supportedDeviceCount, nullptr);
if (supportedDeviceCount == 0)
{
throw std::runtime_error("No Vulkan supported Graphics devices is available");
}
std::vector<VkPhysicalDevice> availableDevices(supportedDeviceCount);
vkEnumeratePhysicalDevices(vulkanInstance, &supportedDeviceCount, availableDevices.data());
for (const VkPhysicalDevice device : availableDevices)
{
if (isDeviceSuitable(device))
{
vulkanDevice = device;
msaaSampleBitsCount = getMsaaSampleCount();
break;
}
}
if (vulkanDevice == VK_NULL_HANDLE)
{
std::runtime_error("Non of the available vulkan devices is suitable for the application");
}
else
{
VkPhysicalDeviceProperties deviceProps;
VkPhysicalDeviceFeatures deviceFeatures;
vkGetPhysicalDeviceProperties(vulkanDevice, &deviceProps);
vkGetPhysicalDeviceFeatures(vulkanDevice, &deviceFeatures);
std::cout << "Current GPU : " << deviceProps.deviceID << " - " << deviceProps.deviceName << std::endl;
std::cout << "GPU Type : " << deviceProps.deviceType << std::endl;
std::cout << "GPU Vendor ID : " << deviceProps.vendorID << std::endl;
std::cout << "GPU Support - Float64 : " << (deviceFeatures.shaderFloat64 == 0 ? "False" : "True") << " Int16 : "
<< (deviceFeatures.shaderInt16 == 0 ? "False" : "True") << std::endl;
}
}
bool isDeviceSuitable(const VkPhysicalDevice& device)
{
VkPhysicalDeviceProperties deviceProps;
VkPhysicalDeviceFeatures deviceFeatures;
vkGetPhysicalDeviceProperties(device, &deviceProps);
vkGetPhysicalDeviceFeatures(device, &deviceFeatures);
bool bHasSwapChainSupport = false;
if (checkDeviceExtensionAvailability(device))
{
SwapChainSupport swapChainSupport = findSwapChainSupport(device);
bHasSwapChainSupport = !(swapChainSupport.presentModes.empty() || swapChainSupport.surfaceFormats.empty());
}
return deviceProps.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU && deviceFeatures.geometryShader && deviceFeatures.samplerAnisotropy
&& findQueueFamilyIndices(device).isComplete() && bHasSwapChainSupport;
}
QueueFamilyIndices findQueueFamilyIndices(VkPhysicalDevice device)
{
QueueFamilyIndices queueFamilyIndices = {};
uint32_t availableQueueFamiliesCount = 0;
vkGetPhysicalDeviceQueueFamilyProperties(device, &availableQueueFamiliesCount, nullptr);
std::vector<VkQueueFamilyProperties> availableQueueFamilies(availableQueueFamiliesCount);
vkGetPhysicalDeviceQueueFamilyProperties(device, &availableQueueFamiliesCount, availableQueueFamilies.data());
int i = 0;
for (const VkQueueFamilyProperties& queueFamProps : availableQueueFamilies)
{
if (queueFamProps.queueCount > 0)
{
if (queueFamProps.queueFlags & VK_QUEUE_GRAPHICS_BIT)
{
queueFamilyIndices.graphicsCmdQueue = i;
}
if (queueFamilyIndices.transferQueue == -1 && queueFamProps.queueFlags & VK_QUEUE_TRANSFER_BIT
&& !(queueFamProps.queueFlags & VK_QUEUE_GRAPHICS_BIT))
{
queueFamilyIndices.transferQueue = i;
}
VkBool32 isPresentable = false;
vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &isPresentable);
if (isPresentable)
{
queueFamilyIndices.presentationCmdQueue = i;
}
}
if (queueFamilyIndices.isComplete())
{
break;
}
i++;
}
if (queueFamilyIndices.transferQueue == -1)
{
queueFamilyIndices.transferQueue = queueFamilyIndices.graphicsCmdQueue;
}
return queueFamilyIndices;
}
bool checkDeviceExtensionAvailability(VkPhysicalDevice device)
{
uint32_t availableExtCount = 0;
vkEnumerateDeviceExtensionProperties(device, nullptr, &availableExtCount, nullptr);
std::vector<VkExtensionProperties> availableExtensions(availableExtCount);
vkEnumerateDeviceExtensionProperties(device, nullptr, &availableExtCount, availableExtensions.data());
std::vector<const char*> verifiedExts = getAvailableExtensions(availableExtensions, ADDITIONAL_DEVICE_EXTENSIONS);
return verifiedExts.size() == ADDITIONAL_DEVICE_EXTENSIONS.size();
}
SwapChainSupport findSwapChainSupport(VkPhysicalDevice device)
{
SwapChainSupport support;
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &support.surfaceCapabilities);
uint32_t count = 0;
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &count, nullptr);
if (count > 0)
{
support.surfaceFormats.resize(count);
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &count, support.surfaceFormats.data());
}
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &count, nullptr);
if (count > 0)
{
support.presentModes.resize(count);
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &count, support.presentModes.data());
}
return support;
}
VkExtent2D chooseSwapExtent(VkSurfaceCapabilitiesKHR &surfaceCapabilities)
{
if (surfaceCapabilities.currentExtent.width != std::numeric_limits<uint32_t>::max())
{
std::cout << "Current Frame buffer " << surfaceCapabilities.currentExtent.width << "x" <<
surfaceCapabilities.currentExtent.height << std::endl;
return surfaceCapabilities.currentExtent;
}
else
{
int width, height;
glfwGetFramebufferSize(window, &width, &height);
VkExtent2D extent = { static_cast<uint32_t>(width) ,static_cast<uint32_t>(height) };
std::cout << "Current Frame buffer " << width << "x" << height << std::endl;
extent.width = std::max(surfaceCapabilities.minImageExtent.width,
std::min(surfaceCapabilities.maxImageExtent.width, extent.width));
extent.height = std::max(surfaceCapabilities.minImageExtent.height,
std::min(surfaceCapabilities.maxImageExtent.height, extent.height));
return extent;
}
}
VkFormat chooseImageFormat(const std::vector<VkFormat>& checkFormats, VkImageTiling imageTiling, VkFormatFeatureFlags formatFeatureFlag)
{
for (const VkFormat format : checkFormats)
{
VkFormatProperties props;
vkGetPhysicalDeviceFormatProperties(vulkanDevice, format, &props);
if (imageTiling == VK_IMAGE_TILING_LINEAR && (props.linearTilingFeatures & formatFeatureFlag) == formatFeatureFlag)
{
return format;
}
else if (imageTiling == VK_IMAGE_TILING_OPTIMAL && (props.optimalTilingFeatures & formatFeatureFlag) == formatFeatureFlag)
{
return format;
}
}
throw std::runtime_error("None of requested formats supports necessary features for given tiling in this hardware");
}
VkFormat chooseDepthImageFormat()
{
return chooseImageFormat({ VK_FORMAT_D32_SFLOAT_S8_UINT,VK_FORMAT_D32_SFLOAT,VK_FORMAT_D24_UNORM_S8_UINT },
VK_IMAGE_TILING_OPTIMAL, VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT);
}
bool hasStencilFormat(VkFormat format)
{
return format == VK_FORMAT_D32_SFLOAT_S8_UINT || format == VK_FORMAT_D24_UNORM_S8_UINT;
}
void createLogicalDevice() {
QueueFamilyIndices queueIndices = findQueueFamilyIndices(vulkanDevice);
std::vector<VkDeviceQueueCreateInfo> allQueueCreateInfo;
std::set<int> uniqueQueueIndex = { queueIndices.graphicsCmdQueue,queueIndices.presentationCmdQueue,queueIndices.transferQueue };
float queuePriority = 1.f;
for (int queueIdx : uniqueQueueIndex)
{
VkDeviceQueueCreateInfo queueCreateInfo = {};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueCount = 1;
queueCreateInfo.queueFamilyIndex = queueIdx;
queueCreateInfo.pQueuePriorities = &queuePriority;
allQueueCreateInfo.push_back(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures = {};
deviceFeatures.samplerAnisotropy = VK_TRUE;
VkDeviceCreateInfo deviceCreateInfo = {};
deviceCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
// Just do get supported extensions of device and check with required extensions when using one
deviceCreateInfo.enabledExtensionCount = (uint32_t)ADDITIONAL_DEVICE_EXTENSIONS.size();
deviceCreateInfo.ppEnabledExtensionNames = ADDITIONAL_DEVICE_EXTENSIONS.data();
//Start Layers to Enable for logical device
std::vector<const char*> finalLayerList = {};
if (bUseDebugMessenger)
{
uint32_t availableLayersCount;
vkEnumerateDeviceLayerProperties(vulkanDevice, &availableLayersCount, nullptr);
std::vector<VkLayerProperties> availableLayers(availableLayersCount);
vkEnumerateDeviceLayerProperties(vulkanDevice, &availableLayersCount, availableLayers.data());
finalLayerList = getAvailableLayers(availableLayers, LAYERS_TO_ENABLE);
}
deviceCreateInfo.enabledLayerCount = (uint32_t)finalLayerList.size();
deviceCreateInfo.ppEnabledLayerNames = finalLayerList.data();
// End Layers
deviceCreateInfo.pQueueCreateInfos = allQueueCreateInfo.data();
deviceCreateInfo.queueCreateInfoCount = (uint32_t)allQueueCreateInfo.size();
deviceCreateInfo.pEnabledFeatures = &deviceFeatures;
if (vkCreateDevice(vulkanDevice, &deviceCreateInfo, nullptr, &logicalDevice) != VK_SUCCESS)
{
throw std::runtime_error("Unable to create logical device");
}
vkGetDeviceQueue(logicalDevice, queueIndices.graphicsCmdQueue, 0, &graphicsQueue);
vkGetDeviceQueue(logicalDevice, queueIndices.presentationCmdQueue, 0, &presentQueue);
vkGetDeviceQueue(logicalDevice, queueIndices.transferQueue, 0, &transferQueue);
}
void setupDebugMessengerUtils()
{
if (vulkan::VulkanTypes::fnVkCreateDebugUtilsMessengerExt != nullptr)
{
VkDebugUtilsMessengerCreateInfoEXT messengerInfo = {};
messengerInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
messengerInfo.pfnUserCallback = debugCallback;
messengerInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT;
messengerInfo.messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT
| VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
vulkan::VulkanTypes::fnVkCreateDebugUtilsMessengerExt(vulkanInstance, &messengerInfo, nullptr, &debugMessenger);
}
else
{
throw std::runtime_error("Debug Messenger utilities function is not available");
}
}
void createSwapChain()
{
SwapChainSupport swapChainSupport = findSwapChainSupport(vulkanDevice);
choosenSurfaceFormat = swapChainSupport.chooseSurfaceFormat();
VkPresentModeKHR presentMode = swapChainSupport.choosePresentMode();
imageExtend = chooseSwapExtent(swapChainSupport.surfaceCapabilities);
uint32_t imageCount = swapChainSupport.surfaceCapabilities.minImageCount + 1;
imageCount = swapChainSupport.surfaceCapabilities.maxImageCount > 0 ?
std::min(swapChainSupport.surfaceCapabilities.maxImageCount, imageCount) : imageCount;
VkSwapchainCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
createInfo.surface = surface;
createInfo.clipped = VK_TRUE;
createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
createInfo.imageArrayLayers = 1;
createInfo.imageColorSpace = choosenSurfaceFormat.colorSpace;
createInfo.imageFormat = choosenSurfaceFormat.format;
createInfo.imageExtent = imageExtend;
createInfo.minImageCount = imageCount;
createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
createInfo.presentMode = presentMode;
createInfo.preTransform = swapChainSupport.surfaceCapabilities.currentTransform;// Use necessary flags if needed advanced operations
createInfo.oldSwapchain = VK_NULL_HANDLE;
QueueFamilyIndices queuesRequired = findQueueFamilyIndices(vulkanDevice);
uint32_t queues[] = { (uint32_t)queuesRequired.graphicsCmdQueue,(uint32_t)queuesRequired.presentationCmdQueue };
if (queuesRequired.graphicsCmdQueue != queuesRequired.presentationCmdQueue)
{
createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
createInfo.queueFamilyIndexCount = 2;
createInfo.pQueueFamilyIndices = queues;
}
else
{
createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
createInfo.queueFamilyIndexCount = 0;
createInfo.pQueueFamilyIndices = nullptr;
}
if (vkCreateSwapchainKHR(logicalDevice, &createInfo, nullptr, &swapChain) != VK_SUCCESS)
{
throw std::runtime_error("Failed to create swap chain to draw images to!");
}
}
// Get the created images to draw and store handle to it
void obtainImageAndImgViews()
{
uint32_t imagesCount;
vkGetSwapchainImagesKHR(logicalDevice, swapChain, &imagesCount, nullptr);
swapChainImages.resize(imagesCount);
vkGetSwapchainImagesKHR(logicalDevice, swapChain, &imagesCount, swapChainImages.data());
swapChainImageViews.resize(imagesCount);
for (size_t i = 0; i < imagesCount; i++)
{
createImageView(swapChainImages[i], 1, choosenSurfaceFormat.format, VK_IMAGE_ASPECT_COLOR_BIT, swapChainImageViews[i]);
}
}
void cleanImageViews()
{
for (VkImageView &imgView : swapChainImageViews)
{
vkDestroyImageView(logicalDevice, imgView, nullptr);
}
swapChainImageViews.clear();
}
void cleanDebugMessengerUtils()
{
if (vulkan::VulkanTypes::fnVkDestroyDebugUtilsMessengerExt != nullptr)
{
vulkan::VulkanTypes::fnVkDestroyDebugUtilsMessengerExt(vulkanInstance, debugMessenger, nullptr);
}
}
void createRenderPass()
{
VkAttachmentDescription colorAttachmentDesc = {};
colorAttachmentDesc.format = choosenSurfaceFormat.format;
colorAttachmentDesc.samples = msaaSampleBitsCount;
colorAttachmentDesc.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
colorAttachmentDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
colorAttachmentDesc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
colorAttachmentDesc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
colorAttachmentDesc.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
colorAttachmentDesc.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
VkAttachmentDescription depthAttachmentDesc = {};
depthAttachmentDesc.format = (depthFormat = chooseDepthImageFormat());
depthAttachmentDesc.samples = msaaSampleBitsCount;
depthAttachmentDesc.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
depthAttachmentDesc.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
depthAttachmentDesc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
depthAttachmentDesc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthAttachmentDesc.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
depthAttachmentDesc.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentDescription colorAttachmentResolveDesc = {};
colorAttachmentResolveDesc.format = choosenSurfaceFormat.format;
colorAttachmentResolveDesc.samples = VK_SAMPLE_COUNT_1_BIT;
colorAttachmentResolveDesc.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
colorAttachmentResolveDesc.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
colorAttachmentResolveDesc.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
colorAttachmentResolveDesc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
colorAttachmentResolveDesc.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
colorAttachmentResolveDesc.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
// Attachment references for subpasses
VkAttachmentReference colorAttachmentRef = {};
colorAttachmentRef.attachment = 0;
colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
VkAttachmentReference depthAttachmentRef = {};
depthAttachmentRef.attachment = 1;
depthAttachmentRef.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentReference colorAttachmentResolveRef = {};
colorAttachmentResolveRef.attachment = 2;
colorAttachmentResolveRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
// Subpass
VkSubpassDescription subpassDesc = {};
subpassDesc.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpassDesc.colorAttachmentCount = 1;
subpassDesc.pColorAttachments = &colorAttachmentRef;
subpassDesc.pDepthStencilAttachment = &depthAttachmentRef;
subpassDesc.pResolveAttachments = &colorAttachmentResolveRef;
// Render pass
VkRenderPassCreateInfo renderPassCreateInfo = {};
renderPassCreateInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassCreateInfo.subpassCount = 1;
renderPassCreateInfo.pSubpasses = &subpassDesc;
std::array<VkAttachmentDescription, 3> attachments = { colorAttachmentDesc,depthAttachmentDesc,colorAttachmentResolveDesc };
renderPassCreateInfo.attachmentCount = static_cast<uint32_t>(attachments.size());
renderPassCreateInfo.pAttachments = attachments.data();
VkSubpassDependency dependencies = {};
dependencies.srcSubpass = VK_SUBPASS_EXTERNAL;
dependencies.dstSubpass = 0;
dependencies.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependencies.srcAccessMask = 0;
dependencies.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependencies.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
renderPassCreateInfo.dependencyCount = 1;
renderPassCreateInfo.pDependencies = &dependencies;
if (vkCreateRenderPass(logicalDevice, &renderPassCreateInfo, nullptr, &renderPass) != VK_SUCCESS)
{
throw std::runtime_error("Failed creating render pass for current frame rendering");
}
// Render pass for multi view
colorAttachmentDesc.finalLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
colorAttachmentDesc.samples = VK_SAMPLE_COUNT_1_BIT;
depthAttachmentDesc.samples = VK_SAMPLE_COUNT_1_BIT;
subpassDesc.pResolveAttachments = nullptr;
std::array<VkAttachmentDescription, 2> multiViewAttachments = { colorAttachmentDesc,depthAttachmentDesc };
renderPassCreateInfo.attachmentCount = (uint32_t)multiViewAttachments.size();
renderPassCreateInfo.pAttachments = multiViewAttachments.data();
const uint32_t viewMask = 0b00000011;
const uint32_t correlationMask = 0b00000011;
VkRenderPassMultiviewCreateInfo multiViewRenderPassCI = {};
multiViewRenderPassCI.sType = VK_STRUCTURE_TYPE_RENDER_PASS_MULTIVIEW_CREATE_INFO;
multiViewRenderPassCI.subpassCount = 1;
multiViewRenderPassCI.correlationMaskCount = 1;
multiViewRenderPassCI.pCorrelationMasks = &correlationMask;
multiViewRenderPassCI.pViewMasks = &viewMask;
renderPassCreateInfo.pNext = &multiViewRenderPassCI;
if (vkCreateRenderPass(logicalDevice, &renderPassCreateInfo, nullptr, &mvRenderPass) != VK_SUCCESS)
{
throw std::runtime_error("Failed creating render pass for multiview port rendering");
}
}
void createDescriptorLayout()
{
VkDescriptorSetLayoutBinding descriptorUboLayoutBind = {};
descriptorUboLayoutBind.binding = 0;
descriptorUboLayoutBind.descriptorCount = 1;
descriptorUboLayoutBind.pImmutableSamplers = nullptr;
descriptorUboLayoutBind.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
descriptorUboLayoutBind.stageFlags = VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT;
VkDescriptorSetLayoutBinding descriptorImageLayoutBind = {};
descriptorImageLayoutBind.binding = 1;
descriptorImageLayoutBind.descriptorCount = 1;
descriptorImageLayoutBind.descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
descriptorImageLayoutBind.pImmutableSamplers = nullptr;
descriptorImageLayoutBind.stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT;
std::array<VkDescriptorSetLayoutBinding, 2> descriptors = { descriptorUboLayoutBind ,descriptorImageLayoutBind };
VkDescriptorSetLayoutCreateInfo descriptorLayoutCreateInfo = {};
descriptorLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
descriptorLayoutCreateInfo.bindingCount = static_cast<uint32_t>(descriptors.size());
descriptorLayoutCreateInfo.pBindings = descriptors.data();
if (vkCreateDescriptorSetLayout(logicalDevice, &descriptorLayoutCreateInfo, nullptr, &descriptorSetLayout) != VK_SUCCESS)
{
throw std::runtime_error("Failure in creating Descriptor Set Layout");
}
descriptorImageLayoutBind.binding = 0;
descriptorImageLayoutBind.descriptorCount = noOfViews;
descriptorLayoutCreateInfo.bindingCount = 1;
descriptorLayoutCreateInfo.pBindings = &descriptorImageLayoutBind;
if (vkCreateDescriptorSetLayout(logicalDevice, &descriptorLayoutCreateInfo, nullptr, &textureDescriptorSetLayout) != VK_SUCCESS)
{
throw std::runtime_error("Failure in creating Descriptor Set Layout for texture alone");
}
}
void createRenderPipeline()
{
// Multiview pipeline
// Start : Programmable section of pipeline
std::vector<char> fragShaderCode = readShaderFile("Shaders/eye.frag.spv");
std::vector<char> vertShaderCode = readShaderFile("Shaders/eye.vert.spv");
VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
VkPipelineShaderStageCreateInfo fragShaderCreateInfo = {};
fragShaderCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
fragShaderCreateInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;