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VulkanApp.cpp
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VulkanApp.cpp
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/*Reference :- https://github.com/NVIDIA/cuda-samples/blob/master/Samples/5_Domain_Specific/simpleVulkan/VulkanBaseApp.cpp*/
#include <unistd.h>
#include <typeinfo>
#include <stdexcept>
#include <iostream>
#include <fstream>
#include <algorithm>
#include <functional>
#include <set>
#include <string.h>
#include <limits>
#include "VulkanApp.h"
#define GLFW_INCLUDE_VULKAN
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
#include <GLFW/glfw3.h>
#ifndef countof
#define countof(x) (sizeof(x) / sizeof(*(x)))
#endif
static const char *validationLayers[] = { "VK_LAYER_KHRONOS_validation" };
static const size_t MAX_FRAMES_IN_FLIGHT = 5;
struct
{
VkPipeline graphicsPipeline_1;
VkPipeline graphicsPipelineone;
VkPipeline graphicsPipeline_2;
VkPipeline graphicsPipelinetwo;
VkPipeline graphicsPipeline_3;
} pipelines;
void VulkanBaseApp::resizeCallback(GLFWwindow *window, int width, int height)
{
VulkanBaseApp *app = reinterpret_cast<VulkanBaseApp *>(glfwGetWindowUserPointer(window));
app->framebufferResized = true;
}
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;
}
VulkanBaseApp::VulkanBaseApp(const std::string& appName, bool enableValidation) :
appName(appName),
enableValidation(enableValidation),
vpcount(5),
instance(VK_NULL_HANDLE),
window(nullptr),
debugMessenger(VK_NULL_HANDLE),
surface(VK_NULL_HANDLE),
physicalDevice(VK_NULL_HANDLE),
device(VK_NULL_HANDLE),
graphicsQueue(VK_NULL_HANDLE),
presentQueue(VK_NULL_HANDLE),
swapChain(VK_NULL_HANDLE),
vkDeviceUUID(),
swapChainImages(),
swapChainFormat(),
swapChainExtent(),
swapChainImageViews(),
shaderFiles_1(),
shaderFilesone(),
shaderFiles_2(),
shaderFilestwo(),
shaderFiles_3(),
renderPass(),
pipelineLayout(VK_NULL_HANDLE),
swapChainFramebuffers(),
viewports(),
scissors(),
commandPool(VK_NULL_HANDLE),
commandBuffers(),
imageAvailableSemaphores(),
renderFinishedSemaphores(),
inFlightFences(),
uniformBuffers(),
uniformMemory(),
descriptorSetLayout(VK_NULL_HANDLE),
descriptorPool(VK_NULL_HANDLE),
descriptorSets(),
depthImage(VK_NULL_HANDLE),
depthImageMemory(VK_NULL_HANDLE),
depthImageView(VK_NULL_HANDLE),
currentFrame(0),
framebufferResized(false)
{
}
VkExternalSemaphoreHandleTypeFlagBits VulkanBaseApp::getDefaultSemaphoreHandleType()
{
return VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT;
}
VkExternalMemoryHandleTypeFlagBits VulkanBaseApp::getDefaultMemHandleType()
{
return VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT;
}
VulkanBaseApp::~VulkanBaseApp()
{
cleanupSwapChain();
if (descriptorSetLayout != VK_NULL_HANDLE) {
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
}
for (size_t i = 0; i < renderFinishedSemaphores.size(); i++) {
vkDestroySemaphore(device, renderFinishedSemaphores[i], nullptr);
vkDestroySemaphore(device, imageAvailableSemaphores[i], nullptr);
vkDestroyFence(device, inFlightFences[i], nullptr);
}
if (commandPool != VK_NULL_HANDLE) {
vkDestroyCommandPool(device, commandPool, nullptr);
}
if (device != VK_NULL_HANDLE) {
vkDestroyDevice(device, nullptr);
}
if (enableValidation) {
PFN_vkDestroyDebugUtilsMessengerEXT func = (PFN_vkDestroyDebugUtilsMessengerEXT)vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT");
if (func != nullptr) {
func(instance, debugMessenger, nullptr);
}
}
if (surface != VK_NULL_HANDLE) {
vkDestroySurfaceKHR(instance, surface, nullptr);
}
if (instance != VK_NULL_HANDLE) {
vkDestroyInstance(instance, nullptr);
}
if (window) {
glfwDestroyWindow(window);
}
glfwTerminate();
}
void VulkanBaseApp::init()
{
initWindow();
initVulkan();
}
VkCommandBuffer VulkanBaseApp::beginSingleTimeCommands()
{
VkCommandBufferAllocateInfo allocInfo = {};
allocInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
allocInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
allocInfo.commandPool = commandPool;
allocInfo.commandBufferCount = 1;
VkCommandBuffer commandBuffer;
vkAllocateCommandBuffers(device, &allocInfo, &commandBuffer);
VkCommandBufferBeginInfo beginInfo = {};
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
vkBeginCommandBuffer(commandBuffer, &beginInfo);
return commandBuffer;
}
void VulkanBaseApp::endSingleTimeCommands(VkCommandBuffer commandBuffer)
{
vkEndCommandBuffer(commandBuffer);
VkSubmitInfo submitInfo = {};
submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &commandBuffer;
vkQueueSubmit(graphicsQueue, 1, &submitInfo, VK_NULL_HANDLE);
vkQueueWaitIdle(graphicsQueue);
vkFreeCommandBuffers(device, commandPool, 1, &commandBuffer);
}
void VulkanBaseApp::initWindow()
{
glfwInit();
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
window = glfwCreateWindow(2000, 2000, appName.c_str(), nullptr, nullptr);
glfwSetWindowUserPointer(window, this);
glfwSetFramebufferSizeCallback(window, resizeCallback);
glfwSetInputMode(window, GLFW_STICKY_MOUSE_BUTTONS, GL_FALSE);
}
std::vector<const char *> VulkanBaseApp::getRequiredExtensions() const
{
return std::vector<const char *>();
}
std::vector<const char *> VulkanBaseApp::getRequiredDeviceExtensions() const
{
return std::vector<const char *>();
}
void VulkanBaseApp::initVulkan()
{
createInstance();
createSurface();
createDevice();
createSwapChain();
createImageViews();
createRenderPass();
createDescriptorSetLayout();
createGraphicsPipeline();
createCommandPool();
createDepthResources();
createFramebuffers();
initVulkanApp();
createUniformBuffers();
createDescriptorPool();
createDescriptorSets();
createCommandBuffers();
createSyncObjects();
}
static VkFormat findSupportedFormat(VkPhysicalDevice physicalDevice, const std::vector<VkFormat>& candidates, VkImageTiling tiling, VkFormatFeatureFlags features)
{
for (VkFormat format : candidates) {
VkFormatProperties props;
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &props);
if (tiling == VK_IMAGE_TILING_LINEAR && (props.linearTilingFeatures & features) == features) {
return format;
}
else if (tiling == VK_IMAGE_TILING_OPTIMAL && (props.optimalTilingFeatures & features) == features) {
return format;
}
}
throw std::runtime_error("Failed to find supported format!");
}
static uint32_t findMemoryType(VkPhysicalDevice physicalDevice, uint32_t typeFilter, VkMemoryPropertyFlags properties)
{
VkPhysicalDeviceMemoryProperties memProperties;
vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memProperties);
for (uint32_t i = 0; i < memProperties.memoryTypeCount; i++) {
if (typeFilter & (1 << i) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) {
return i;
}
}
return ~0;
}
static bool supportsValidationLayers()
{
std::vector<VkLayerProperties> availableLayers;
uint32_t layerCount;
vkEnumerateInstanceLayerProperties(&layerCount, nullptr);
availableLayers.resize(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;
}
void VulkanBaseApp::createInstance()
{
if (enableValidation && !supportsValidationLayers()) {
throw std::runtime_error("Validation requested, but not supported!");
}
VkApplicationInfo appInfo = {};
appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
appInfo.pApplicationName = appName.c_str();
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_2;
VkInstanceCreateInfo createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
createInfo.pApplicationInfo = &appInfo;
std::vector<const char *> exts = getRequiredExtensions();
{
uint32_t glfwExtensionCount = 0;
const char **glfwExtensions;
glfwExtensions = glfwGetRequiredInstanceExtensions(&glfwExtensionCount);
exts.insert(exts.begin(), glfwExtensions, glfwExtensions + glfwExtensionCount);
if (enableValidation) {
exts.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
}
}
createInfo.enabledExtensionCount = static_cast<uint32_t>(exts.size());
createInfo.ppEnabledExtensionNames = exts.data();
VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo = {};
if (enableValidation) {
createInfo.enabledLayerCount = static_cast<uint32_t>(countof(validationLayers));
createInfo.ppEnabledLayerNames = validationLayers;
debugCreateInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
debugCreateInfo.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;
debugCreateInfo.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;
debugCreateInfo.pfnUserCallback = debugCallback;
createInfo.pNext = &debugCreateInfo;
}
else {
createInfo.enabledLayerCount = 0;
createInfo.pNext = nullptr;
}
if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
throw std::runtime_error("Failed to create Vulkan instance!");
}
if (enableValidation) {
PFN_vkCreateDebugUtilsMessengerEXT func = (PFN_vkCreateDebugUtilsMessengerEXT)vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");
if (func == nullptr || func(instance, &debugCreateInfo, nullptr, &debugMessenger) != VK_SUCCESS) {
throw std::runtime_error("Failed to set up debug messenger!");
}
}
}
void VulkanBaseApp::createSurface()
{
if (glfwCreateWindowSurface(instance, window, nullptr, &surface) != VK_SUCCESS) {
throw std::runtime_error("failed to create window surface!");
}
}
static bool findGraphicsQueueIndicies(VkPhysicalDevice device, VkSurfaceKHR surface, uint32_t& graphicsFamily, uint32_t& presentFamily)
{
uint32_t queueFamilyCount = 0;
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
std::vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
graphicsFamily = presentFamily = ~0;
for (uint32_t i = 0; i < queueFamilyCount; i++) {
if (queueFamilies[i].queueCount > 0) {
if (graphicsFamily == ~0 && queueFamilies[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
graphicsFamily = i;
}
uint32_t presentSupport = 0;
vkGetPhysicalDeviceSurfaceSupportKHR(device, i, surface, &presentSupport);
if (presentFamily == ~0 && presentSupport) {
presentFamily = i;
}
if (presentFamily != ~0 && graphicsFamily != ~0) {
break;
}
}
}
return graphicsFamily != ~0 && presentFamily != ~0;
}
static bool hasAllExtensions(VkPhysicalDevice device, const std::vector<const char *>& deviceExtensions)
{
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();
}
static void getSwapChainProperties(VkPhysicalDevice device, VkSurfaceKHR surface, VkSurfaceCapabilitiesKHR& capabilities, std::vector<VkSurfaceFormatKHR>& formats, std::vector<VkPresentModeKHR>& presentModes)
{
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device, surface, &capabilities);
uint32_t formatCount;
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, nullptr);
if (formatCount != 0) {
formats.resize(formatCount);
vkGetPhysicalDeviceSurfaceFormatsKHR(device, surface, &formatCount, formats.data());
}
uint32_t presentModeCount;
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, nullptr);
if (presentModeCount != 0) {
presentModes.resize(presentModeCount);
vkGetPhysicalDeviceSurfacePresentModesKHR(device, surface, &presentModeCount, presentModes.data());
}
}
bool VulkanBaseApp::isSuitableDevice(VkPhysicalDevice dev) const
{
uint32_t graphicsQueueIndex, presentQueueIndex;
std::vector<const char *> deviceExtensions = getRequiredDeviceExtensions();
VkSurfaceCapabilitiesKHR caps;
std::vector<VkSurfaceFormatKHR> formats;
std::vector<VkPresentModeKHR> presentModes;
deviceExtensions.push_back(VK_KHR_SWAPCHAIN_EXTENSION_NAME);
getSwapChainProperties(dev, surface, caps, formats, presentModes);
return hasAllExtensions(dev, deviceExtensions)
&& !formats.empty() && !presentModes.empty()
&& findGraphicsQueueIndicies(dev, surface, graphicsQueueIndex, presentQueueIndex);
}
void VulkanBaseApp::createDevice()
{
{
uint32_t deviceCount = 0;
vkEnumeratePhysicalDevices(instance, &deviceCount, nullptr);
if (deviceCount == 0) {
throw std::runtime_error("Failed to find Vulkan capable GPUs!");
}
//creating a vector to store physical devices data
std::vector<VkPhysicalDevice> phyDevs(deviceCount);
// filling vector with physVkPhysicalDevice as elements
VkResult str = vkEnumeratePhysicalDevices(instance, &deviceCount, phyDevs.data());
for (const auto& device : phyDevs)
{
auto props = VkPhysicalDeviceProperties{};
vkGetPhysicalDeviceProperties(device, &props);
// Determine the type of the physical device
if (props.deviceType == VkPhysicalDeviceType::VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU)
{
physicalDevice = device;
printf("Selected NVIDIA GPU \n\n");
break;
}
else if (props.deviceType == VkPhysicalDeviceType::VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU)
{
printf(" \nNot selecting Integrated GPU \n\n");
}
else if (props.deviceType == VkPhysicalDeviceType::VK_PHYSICAL_DEVICE_TYPE_CPU)
{
printf("Not selecting VK_PHYSICAL_DEVICE_TYPE_CPU \n\n");
}
else
{
printf(" Device not in Vulkan list \n");
}
}
if (physicalDevice == VK_NULL_HANDLE){
throw std::runtime_error(" Failed to set Physical device");
}
}
uint32_t graphicsQueueIndex, presentQueueIndex;
findGraphicsQueueIndicies(physicalDevice, surface, graphicsQueueIndex, presentQueueIndex);
std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
std::set<uint32_t> uniqueFamilyIndices = { graphicsQueueIndex, presentQueueIndex };
float queuePriority = 1.0f;
for (uint32_t queueFamily : uniqueFamilyIndices) {
VkDeviceQueueCreateInfo queueCreateInfo = {};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueFamilyIndex = graphicsQueueIndex;
queueCreateInfo.queueCount = 1;
queueCreateInfo.pQueuePriorities = &queuePriority;
queueCreateInfos.push_back(queueCreateInfo);
}
VkPhysicalDeviceFeatures deviceFeatures = {};
deviceFeatures.fillModeNonSolid = true;
//myline
deviceFeatures.geometryShader = true;
deviceFeatures.multiViewport = true;
deviceFeatures.wideLines = true;
deviceFeatures.shaderTessellationAndGeometryPointSize = true;
VkDeviceCreateInfo createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
createInfo.pQueueCreateInfos = queueCreateInfos.data();
createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
createInfo.pEnabledFeatures = &deviceFeatures;
std::vector<const char *> deviceExtensions = getRequiredDeviceExtensions();
deviceExtensions.push_back(VK_KHR_SWAPCHAIN_EXTENSION_NAME);
createInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
createInfo.ppEnabledExtensionNames = deviceExtensions.data();
if (enableValidation) {
createInfo.enabledLayerCount = static_cast<uint32_t>(countof(validationLayers));
createInfo.ppEnabledLayerNames = validationLayers;
}
else {
createInfo.enabledLayerCount = 0;
}
if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS) {
throw std::runtime_error("failed to create logical device!");
}
vkGetDeviceQueue(device, graphicsQueueIndex, 0, &graphicsQueue);
vkGetDeviceQueue(device, presentQueueIndex, 0, &presentQueue);
VkPhysicalDeviceIDProperties vkPhysicalDeviceIDProperties = {};
vkPhysicalDeviceIDProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES;
vkPhysicalDeviceIDProperties.pNext = NULL;
VkPhysicalDeviceProperties2 vkPhysicalDeviceProperties2 = {};
vkPhysicalDeviceProperties2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
vkPhysicalDeviceProperties2.pNext = &vkPhysicalDeviceIDProperties;
PFN_vkGetPhysicalDeviceProperties2 fpGetPhysicalDeviceProperties2;
fpGetPhysicalDeviceProperties2 = (PFN_vkGetPhysicalDeviceProperties2)vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceProperties2");
if (fpGetPhysicalDeviceProperties2 == NULL) {
throw std::runtime_error("Vulkan: Proc address for \"vkGetPhysicalDeviceProperties2KHR\" not found.\n");
}
fpGetPhysicalDeviceProperties2(physicalDevice, &vkPhysicalDeviceProperties2);
memcpy(vkDeviceUUID, vkPhysicalDeviceIDProperties.deviceUUID, VK_UUID_SIZE);
}
static VkSurfaceFormatKHR chooseSwapSurfaceFormat(const std::vector<VkSurfaceFormatKHR>& availableFormats)
{
if (availableFormats.size() == 1 && availableFormats[0].format == VK_FORMAT_UNDEFINED) {
return { VK_FORMAT_B8G8R8A8_UNORM, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR };
}
for (const auto & availableFormat : availableFormats) {
if (availableFormat.format == VK_FORMAT_B8G8R8A8_UNORM && availableFormat.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR) {
return availableFormat;
}
}
return availableFormats[0];
}
static VkPresentModeKHR chooseSwapPresentMode(const std::vector<VkPresentModeKHR>& availablePresentModes)
{
VkPresentModeKHR bestMode = VK_PRESENT_MODE_FIFO_KHR;
for (const auto & availablePresentMode : availablePresentModes) {
if (availablePresentMode == VK_PRESENT_MODE_MAILBOX_KHR) {
return availablePresentMode;
}
else if (availablePresentMode == VK_PRESENT_MODE_IMMEDIATE_KHR) {
bestMode = availablePresentMode;
}
}
return bestMode;
}
static VkExtent2D chooseSwapExtent(GLFWwindow *window, 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::max(capabilities.minImageExtent.width, std::min(capabilities.maxImageExtent.width, actualExtent.width));
actualExtent.height = std::max(capabilities.minImageExtent.height, std::min(capabilities.maxImageExtent.height, actualExtent.height));
return actualExtent;
}
}
void VulkanBaseApp::createSwapChain()
{
VkSurfaceCapabilitiesKHR capabilities;
VkSurfaceFormatKHR format;
VkPresentModeKHR presentMode;
VkExtent2D extent;
uint32_t imageCount;
{
std::vector<VkSurfaceFormatKHR> formats;
std::vector<VkPresentModeKHR> presentModes;
getSwapChainProperties(physicalDevice, surface, capabilities, formats, presentModes);
format = chooseSwapSurfaceFormat(formats);
presentMode = chooseSwapPresentMode(presentModes);
extent = chooseSwapExtent(window, capabilities);
imageCount = capabilities.minImageCount + 1;
if (capabilities.maxImageCount > 0 && imageCount > capabilities.maxImageCount) {
imageCount = capabilities.maxImageCount;
}
}
VkSwapchainCreateInfoKHR createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
createInfo.surface = surface;
createInfo.minImageCount = imageCount;
createInfo.imageFormat = format.format;
createInfo.imageColorSpace = format.colorSpace;
createInfo.imageExtent = extent;
createInfo.imageArrayLayers = 1;
createInfo.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
uint32_t queueFamilyIndices[2];
findGraphicsQueueIndicies(physicalDevice, surface, queueFamilyIndices[0], queueFamilyIndices[1]);
if (queueFamilyIndices[0] != queueFamilyIndices[1]) {
createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
createInfo.queueFamilyIndexCount = countof(queueFamilyIndices);
createInfo.pQueueFamilyIndices = queueFamilyIndices;
}
else {
createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
}
createInfo.preTransform = capabilities.currentTransform;
createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
createInfo.presentMode = presentMode;
createInfo.clipped = VK_TRUE;
createInfo.oldSwapchain = VK_NULL_HANDLE;
if (vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS) {
throw std::runtime_error("failed to create swap chain!");
}
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
swapChainImages.resize(imageCount);
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
swapChainFormat = format.format;
swapChainExtent = extent;
}
static VkImageView createImageView(VkDevice dev, VkImage image, VkFormat format, VkImageAspectFlags aspectFlags)
{
VkImageView imageView;
VkImageViewCreateInfo createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
createInfo.image = image;
createInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
createInfo.format = format;
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 = aspectFlags;
createInfo.subresourceRange.baseMipLevel = 0;
createInfo.subresourceRange.levelCount = 1;
createInfo.subresourceRange.baseArrayLayer = 0;
createInfo.subresourceRange.layerCount = 1;
if (vkCreateImageView(dev, &createInfo, nullptr, &imageView) != VK_SUCCESS) {
throw std::runtime_error("Failed to create image views!");
}
return imageView;
}
static void createImage(VkPhysicalDevice physicalDevice, VkDevice device, uint32_t width, uint32_t height, VkFormat format, VkImageTiling tiling, VkImageUsageFlags usage, VkMemoryPropertyFlags properties, VkImage& image, VkDeviceMemory& imageMemory)
{
VkImageCreateInfo imageInfo = {};
imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageInfo.imageType = VK_IMAGE_TYPE_2D;
imageInfo.extent.width = width;
imageInfo.extent.height = height;
imageInfo.extent.depth = 1;
imageInfo.mipLevels = 1;
imageInfo.arrayLayers = 1;
imageInfo.format = format;
imageInfo.tiling = tiling;
imageInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
imageInfo.usage = usage;
imageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
if (vkCreateImage(device, &imageInfo, nullptr, &image) != VK_SUCCESS) {
throw std::runtime_error("failed to create image!");
}
VkMemoryRequirements memRequirements;
vkGetImageMemoryRequirements(device, image, &memRequirements);
VkMemoryAllocateInfo allocInfo = {};
allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
allocInfo.allocationSize = memRequirements.size;
allocInfo.memoryTypeIndex = findMemoryType(physicalDevice, memRequirements.memoryTypeBits, properties);
if (vkAllocateMemory(device, &allocInfo, nullptr, &imageMemory) != VK_SUCCESS) {
throw std::runtime_error("failed to allocate image memory!");
}
vkBindImageMemory(device, image, imageMemory, 0);
}
void VulkanBaseApp::createImageViews()
{
swapChainImageViews.resize(swapChainImages.size());
for (uint32_t i = 0; i < swapChainImages.size(); i++) {
swapChainImageViews[i] = createImageView(device, swapChainImages[i], swapChainFormat, VK_IMAGE_ASPECT_COLOR_BIT);
}
}
void VulkanBaseApp::createRenderPass()
{
VkAttachmentDescription colorAttachment = {};
colorAttachment.format = swapChainFormat;
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 = 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);
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_UNDEFINED;
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;
VkAttachmentDescription attachments[] = {colorAttachment, depthAttachment};
VkRenderPassCreateInfo renderPassInfo = {};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassInfo.attachmentCount = countof(attachments);
renderPassInfo.pAttachments = attachments;
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 VulkanBaseApp::createDescriptorSetLayout()
{
VkDescriptorSetLayoutBinding uboLayoutBinding = {};
uboLayoutBinding.binding = 0;
uboLayoutBinding.descriptorCount = 1;
uboLayoutBinding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
uboLayoutBinding.pImmutableSamplers = nullptr;
//uboLayoutBinding.stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
//myline
uboLayoutBinding.stageFlags = VK_SHADER_STAGE_GEOMETRY_BIT;
VkDescriptorSetLayoutCreateInfo layoutInfo = {};
layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
layoutInfo.bindingCount = 1;
layoutInfo.pBindings = &uboLayoutBinding;
if (vkCreateDescriptorSetLayout(device, &layoutInfo, nullptr, &descriptorSetLayout) != VK_SUCCESS) {
throw std::runtime_error("failed to create descriptor set layout!");
}
}
VkShaderModule createShaderModule(VkDevice device, const char *filename)
{
std::vector<char> shaderContents;
std::ifstream shaderFile(filename, std::ios_base::in | std::ios_base::binary);
VkShaderModuleCreateInfo createInfo = {};
VkShaderModule shaderModule;
if (!shaderFile.good()) {
throw std::runtime_error("Failed to load shader contents");
}
readFile(shaderFile, shaderContents);
createInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
createInfo.codeSize = shaderContents.size();
createInfo.pCode = reinterpret_cast<const uint32_t *>(shaderContents.data());
if (vkCreateShaderModule(device, &createInfo, nullptr, &shaderModule) != VK_SUCCESS) {
throw std::runtime_error("Failed to create shader module!");
}
return shaderModule;
}
void VulkanBaseApp::getVertexDescriptions_1(std::vector<VkVertexInputBindingDescription>& bindingDesc, std::vector<VkVertexInputAttributeDescription>& attribDesc)
{
}
void VulkanBaseApp::getVertexDescriptionsone(std::vector<VkVertexInputBindingDescription>& bindingDesc, std::vector<VkVertexInputAttributeDescription>& attribDesc)
{
}
void VulkanBaseApp::getVertexDescriptions_2(std::vector<VkVertexInputBindingDescription>& bindingDesc, std::vector<VkVertexInputAttributeDescription>& attribDesc)
{
}
void VulkanBaseApp::getVertexDescriptionstwo(std::vector<VkVertexInputBindingDescription>& bindingDesc, std::vector<VkVertexInputAttributeDescription>& attribDesc)
{
}
void VulkanBaseApp::getVertexDescriptions_3(std::vector<VkVertexInputBindingDescription>& bindingDesc, std::vector<VkVertexInputAttributeDescription>& attribDesc)
{
}
void VulkanBaseApp::getAssemblyStateInfo(VkPipelineInputAssemblyStateCreateInfo& info)
{
}
void VulkanBaseApp::createGraphicsPipeline()
{
std::vector<VkPipelineShaderStageCreateInfo> shaderStageInfos(shaderFiles_1.size());
for (size_t i = 0; i < shaderFiles_1.size(); i++) {
shaderStageInfos[i] = {};
shaderStageInfos[i].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
shaderStageInfos[i].stage = shaderFiles_1[i].first;
shaderStageInfos[i].module = createShaderModule(device, shaderFiles_1[i].second.c_str());
shaderStageInfos[i].pName = "main";
}
VkPipelineVertexInputStateCreateInfo vertexInputInfo = {};
std::vector<VkVertexInputBindingDescription> vertexBindingDescriptions_1;
std::vector<VkVertexInputAttributeDescription> vertexAttributeDescriptions_1;
getVertexDescriptions_1(vertexBindingDescriptions_1, vertexAttributeDescriptions_1);
vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vertexInputInfo.vertexBindingDescriptionCount = static_cast<uint32_t>(vertexBindingDescriptions_1.size());
vertexInputInfo.pVertexBindingDescriptions = vertexBindingDescriptions_1.data();
vertexInputInfo.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertexAttributeDescriptions_1.size());
vertexInputInfo.pVertexAttributeDescriptions = vertexAttributeDescriptions_1.data();
VkPipelineInputAssemblyStateCreateInfo inputAssembly = {};
getAssemblyStateInfo(inputAssembly);
///////////////////////////////
viewports.resize(vpcount);
scissors.resize(vpcount);
viewports[0] = { 200, 0, 500.0, 500.0, 0.0f, 1.0f };
scissors[0] = {{ 200, 0 },{500,500}};
viewports[1] = { 600, 500, 700, 700, 0.0f, 1.0f };
scissors[1] = {{ 600, 500 },{700,700}};
viewports[4] = { 1000, 1100, 900, 900, 0.0f, 1.0f };
scissors[4] = {{ 1000, 1100 },{900,900}};
viewports[3] = { 1200, 0, 500, 500, 0.0f, 1.0f };
scissors[3] = {{ 1200, 0 },{500,500}};
viewports[2] = { 0, 1100, 900, 900, 0.0f, 1.0f };
scissors[2] = {{ 0, 1100 },{900,900}};
VkPipelineViewportStateCreateInfo viewportState = {};
viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
viewportState.viewportCount = 1;
viewportState.pViewports = &viewports[0];
viewportState.scissorCount = 1;
viewportState.pScissors = &scissors[0];
VkPipelineRasterizationStateCreateInfo rasterizer = {};
rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rasterizer.depthClampEnable = VK_FALSE;
rasterizer.rasterizerDiscardEnable = VK_FALSE;
rasterizer.lineWidth = 2.0f;
rasterizer.polygonMode = VK_POLYGON_MODE_POINT;
rasterizer.cullMode = VK_CULL_MODE_NONE;
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;
multisampling.minSampleShading = 1.0f; // Optional
multisampling.pSampleMask = nullptr; // Optional
multisampling.alphaToCoverageEnable = VK_FALSE; // Optional
multisampling.alphaToOneEnable = VK_FALSE; // Optional
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;
depthStencil.depthBoundsTestEnable = VK_FALSE;
depthStencil.stencilTestEnable = VK_FALSE;
VkPipelineColorBlendAttachmentState colorBlendAttachment = {};
colorBlendAttachment.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;