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Application.cpp
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Application.cpp
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#include <volk.h>
#include <GLFW/glfw3.h>
#include <iostream>
#include <fstream>
#include <stdexcept>
#include <algorithm>
#include <vector>
#include <cstring>
#include <cstdlib>
#include <cstdint>
#include <limits>
#include <set>
#include <unordered_map>
#include "Application.h"
#define GLM_FORCE_DEFAULT_ALIGNED_GENTYPES
#define GLM_FORCE_RADIANS
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <chrono>
#include <stbimage.h>
#include <tinyobjloader.h>
const uint32_t WIDTH = 800;
const uint32_t HEIGHT = 600;
#ifdef NDEBUG
const bool hasValidationLayers = false;
#else
const bool hasValidationLayers = true;
#endif
const int MAX_FRAMES_IN_FLIGHT = 2;
const std::string VIKING_ROOM_MODEL_PATH = "resources/viking-room/viking_room.obj";
const std::string VIKING_ROOM_TEXTURE_PATH = "resources/viking-room/viking_room.png";
const std::string ICON_PATH = "resources/icon.png";
const std::string CUBE_TEXTURE = "resources/image.png";
const std::string CUBE_PATH = "resources/kube.obj";
const float cameraSpeed = 2.0f;
const float fastCamera = 6.0f;
const float sensitivity = 0.1f;
const float cubeSpin = 10.0f;
const std::vector<const char*> validationLayers = {
"VK_LAYER_KHRONOS_validation"
};
const std::vector<const char*> deviceExtensions = {
VK_KHR_SWAPCHAIN_EXTENSION_NAME
};
namespace glm {
vec3 matrixRight(mat4 matrix) {
return vec3(matrix[0][0], matrix[1][0], matrix[2][0]);
}
vec3 matrixUp(mat3 matrix) {
return vec3(matrix[0][1], matrix[1][1], matrix[2][1]);
}
vec3 matrixForward(mat3 matrix) {
return vec3(matrix[0][2], matrix[1][2], matrix[2][2]);
}
vec3 matrixPos(mat3 matrix) {
return vec3(matrix[0][3], matrix[1][3], matrix[2][3]);
}
}
static std::vector<char> readFile(const std::string& filename) {
std::ifstream file(filename, std::ios::ate | std::ios::binary);
if (!file.is_open()) {
throw std::runtime_error("failed to open file: " + filename);
}
size_t fileSize = (size_t) file.tellg();
std::vector<char> buffer(fileSize);
file.seekg(0);
file.read(buffer.data(), fileSize);
file.close();
return buffer;
}
bool hasStencilComponent(VkFormat format) {
return format == VK_FORMAT_D32_SFLOAT_S8_UINT || format == VK_FORMAT_D24_UNORM_S8_UINT;
}
uint32_t Application::findMemoryType(uint32_t typeFilter, VkMemoryPropertyFlags properties) {
VkPhysicalDeviceMemoryProperties memProperties;
vkGetPhysicalDeviceMemoryProperties(physicalDevice, &memProperties);
for (uint32_t i = 0; i < memProperties.memoryTypeCount; i++) {
if ((typeFilter & (1 << i)) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) {
return i;
}
}
throw std::runtime_error("failed to find suitable memory type!");
}
#pragma region DEBUG_CALLBACK
static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData, void* pUserData) {
if (messageSeverity == VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT) {
std::cerr << "[Validation Layer] : " << pCallbackData->pMessage << std::endl;
}
if (messageSeverity == VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT) {
std::cerr << "[Validation Layer] : " << pCallbackData->pMessage << std::endl;
}
return VK_FALSE;
}
VkResult CreateDebugUtilsMessengerEXT(VkInstance instance, const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo, const VkAllocationCallbacks* pAllocator, VkDebugUtilsMessengerEXT* pDebugMessenger) {
auto func = (PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");
if (func != nullptr) {
return func(instance, pCreateInfo, pAllocator, pDebugMessenger);
} else {
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
}
void DestroyDebugUtilsMessengerEXT(VkInstance instance, VkDebugUtilsMessengerEXT debugMessenger, const VkAllocationCallbacks* pAllocator) {
auto func = (PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT");
if (func != nullptr) {
func(instance, debugMessenger, pAllocator);
}
}
bool Application::enableValidation() {
if (hasValidationLayers) {
return checkValidationLayerSupport();
}
return false;
}
void Application::populateDebugMessengerCreateInfo(VkDebugUtilsMessengerCreateInfoEXT& createInfo) {
createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
createInfo.messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
createInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT | VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
createInfo.pfnUserCallback = debugCallback;
}
void Application::setupDebugMessenger() {
if (!enableValidation()) return;
VkDebugUtilsMessengerCreateInfoEXT createInfo;
populateDebugMessengerCreateInfo(createInfo);
if (CreateDebugUtilsMessengerEXT(instance, &createInfo, nullptr, &debugMessenger) != VK_SUCCESS) {
throw std::runtime_error("failed to set up debug messenger!");
}
}
#pragma endregion
void Application::initWindow() {
glfwInit();
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
window = glfwCreateWindow(WIDTH, HEIGHT, "Da Volkan", nullptr, nullptr);
glfwSetFramebufferSizeCallback(window, framebufferResizeCallback);
GLFWimage images[1];
images[0].pixels = stbi_load(ICON_PATH.c_str(), &images[0].width, &images[0].height, 0, 4);
glfwSetWindowIcon(window, 1, images);
stbi_image_free(images[0].pixels);
}
void Application::mouseMove() {
if (glfwGetMouseButton(window, GLFW_MOUSE_BUTTON_RIGHT) == GLFW_RELEASE) {
firstMouse = true;
return;
}
double xpos, ypos;
glfwGetCursorPos(window, &xpos, &ypos);
if (firstMouse) {
mouseDelta = glm::vec2(xpos, ypos);
firstMouse = false;
}
float xoffset = xpos - mouseDelta.x;
float yoffset = ypos - mouseDelta.y;
mouseDelta = glm::vec2(xpos, ypos);
xoffset *= sensitivity * deltaTime;
yoffset *= sensitivity * deltaTime;
rotateCamera(xoffset, glm::vec3(0.0f, 0.0f, 1.0f));
rotateCamera(yoffset, glm::matrixRight(cameraMatrix));
}
void Application::camMove() {
// Camera movement
glm::vec3 moveVector(0.0f, 0.0f, 0.0f);
glm::vec3 forward = glm::matrixForward(cameraMatrix);
glm::vec3 right = glm::matrixRight(cameraMatrix);
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS) {
moveVector += forward;
}
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS) {
moveVector -= forward;
}
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS) {
moveVector += right;
}
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS) {
moveVector -= right;
}
if (glfwGetKey(window, GLFW_KEY_Q) == GLFW_PRESS) {
moveVector.z += 1;
}
if (glfwGetKey(window, GLFW_KEY_E) == GLFW_PRESS) {
moveVector.z -= 1;
}
if (std::abs(moveVector.x) > 0.1f || std::abs(moveVector.y) > 0.1f || std::abs(moveVector.z) > 0.1f) {
bool shiftPress = glfwGetKey(window, GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS;
moveVector = glm::normalize(moveVector) * deltaTime * (shiftPress ? fastCamera : cameraSpeed);
moveCamera(moveVector);
}
}
void Application::framebufferResizeCallback(GLFWwindow* window, int width, int height) {
framebufferResized = true;
}
void Application::run() {
if (isRunning) {
throw std::runtime_error("application is already running!");
}
isRunning = true;
if (initVolk() != VK_SUCCESS) {
throw std::runtime_error("could not initialize Vulkan loader!");
}
initWindow();
initVulkan();
startTime = std::chrono::high_resolution_clock::now();
lastTime = std::chrono::high_resolution_clock::now();
mainLoop();
cleanup();
}
void Application::mainLoop() {
while (isRunning) {
if (glfwWindowShouldClose(window)) {
isRunning = false;
continue;
}
glfwPollEvents();
auto currentTime = std::chrono::high_resolution_clock::now();
deltaTime = std::chrono::duration<float, std::chrono::seconds::period>(currentTime - lastTime).count();
lastTime = currentTime;
mouseMove();
camMove();
modelMatrix = glm::rotate(modelMatrix, deltaTime * glm::radians(cubeSpin), glm::vec3(0.0f, 0.0f, 1.0f));
drawFrame();
}
vkDeviceWaitIdle(device);
}
void Application::rotateCamera(float amount, glm::vec3 axis) {
cameraMatrix = glm::rotate(cameraMatrix, amount, axis);
}
void Application::moveCamera(glm::vec3 moveVector) {
cameraMatrix = glm::translate(cameraMatrix, moveVector);
}
void Application::initVulkan() {
createInstance();
setupDebugMessenger();
createSurface();
pickPhysicalDevice();
createLogicalDevice();
createSwapChain();
createImageViews();
createRenderPass();
createDescriptorSetLayout();
createGraphicsPipeline();
createCommandPool();
createDepthResources();
createFramebuffers();
createTextureImage();
createTextureSampler();
loadModel();
createVertexBuffer();
createIndexBuffer();
createUniformBuffers();
createDescriptorPool();
createDescriptorSets();
createCommandBuffers();
createSyncObjects();
}
void Application::loadModel() {
tinyobj::attrib_t attrib;
std::vector<tinyobj::shape_t> shapes;
std::vector<tinyobj::material_t> materials;
std::string warn, err;
if (!tinyobj::LoadObj(&attrib, &shapes, &materials, &warn, &err, CUBE_PATH.c_str())) {
throw std::runtime_error(warn + err);
}
std::unordered_map<Vertex, uint32_t> uniqueVertices;
for (const auto& shape : shapes) {
for (const auto& index : shape.mesh.indices) {
Vertex vertex{};
vertex.pos = {
// An array of floats, so multiply index by 3 and get all 3 values
attrib.vertices[3 * index.vertex_index + 0],
attrib.vertices[3 * index.vertex_index + 1],
attrib.vertices[3 * index.vertex_index + 2]
};
vertex.texCoord = {
// Same for texture coords
attrib.texcoords[2 * index.texcoord_index + 0],
1.0f - attrib.texcoords[2 * index.texcoord_index + 1]
};
vertex.color = {1.0f, 1.0f, 1.0f};
if (uniqueVertices.count(vertex) == 0) {
uniqueVertices[vertex] = static_cast<uint32_t>(vertices.size());
vertices.push_back(vertex);
}
indices.push_back(uniqueVertices[vertex]);
}
}
}
void Application::createDepthResources() {
VkFormat depthFormat = findDepthFormat();
createImage(swapChainExtent.width, swapChainExtent.height, 1, depthFormat, VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, depthImage, depthImageMemory);
depthImageView = createImageView(depthImage, depthFormat, VK_IMAGE_ASPECT_DEPTH_BIT, 1);
transitionImageLayout(depthImage, depthFormat, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, 1);
}
void Application::createTextureImage() {
int texWidth, texHeight, texChannels;
stbi_uc* pixels = stbi_load(CUBE_TEXTURE.c_str(), &texWidth, &texHeight, &texChannels, STBI_rgb_alpha);
VkDeviceSize imageSize = texWidth * texHeight * 4;
mipLevels = static_cast<uint32_t>(std::floor(std::log2(std::max(texWidth, texHeight)))) + 1;
if (!pixels) {
throw std::runtime_error("failed to load texture image!");
}
VkBuffer stagingBuffer;
VkDeviceMemory stagingBufferMemory;
createBuffer(imageSize, 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, imageSize, 0, &data);
memcpy(data, pixels, static_cast<size_t>(imageSize));
vkUnmapMemory(device, stagingBufferMemory);
stbi_image_free(pixels);
createImage(texWidth, texHeight, mipLevels, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_TILING_OPTIMAL, VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, textureImage, textureImageMemory);
transitionImageLayout(textureImage, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, mipLevels);
copyBufferToImage(stagingBuffer, textureImage, static_cast<uint32_t>(texWidth), static_cast<uint32_t>(texHeight));
//transitioned to VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL while generating mipmaps
vkDestroyBuffer(device, stagingBuffer, nullptr);
vkFreeMemory(device, stagingBufferMemory, nullptr);
generateMipmaps(textureImage, VK_FORMAT_R8G8B8A8_SRGB, texWidth, texHeight, mipLevels);
textureImageView = createImageView(textureImage, VK_FORMAT_R8G8B8A8_SRGB, VK_IMAGE_ASPECT_COLOR_BIT, mipLevels);
}
void Application::generateMipmaps(VkImage image, VkFormat imageFormat, int32_t texWidth, int32_t texHeight, uint32_t mipLevels) {
VkFormatProperties formatProperties;
vkGetPhysicalDeviceFormatProperties(physicalDevice, imageFormat, &formatProperties);
if (!(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT)) {
throw std::runtime_error("texture image format does not support linear blitting!");
}
VkCommandBuffer commandBuffer = beginSingleTimeCommands();
VkImageMemoryBarrier barrier{};
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.image = image;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
barrier.subresourceRange.baseArrayLayer = 0;
barrier.subresourceRange.layerCount = 1;
barrier.subresourceRange.levelCount = 1;
int32_t mipWidth = texWidth;
int32_t mipHeight = texHeight;
for (uint32_t i = 1; i < mipLevels; i++) {
barrier.subresourceRange.baseMipLevel = i - 1;
barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
barrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
barrier.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
vkCmdPipelineBarrier(commandBuffer,
VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0,
0, nullptr,
0, nullptr,
1, &barrier);
VkImageBlit blit{};
blit.srcOffsets[0] = {0, 0, 0};
blit.srcOffsets[1] = {mipWidth, mipHeight, 1};
blit.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blit.srcSubresource.mipLevel = i - 1;
blit.srcSubresource.baseArrayLayer = 0;
blit.srcSubresource.layerCount = 1;
blit.dstOffsets[0] = {0, 0, 0};
blit.dstOffsets[1] = { mipWidth > 1 ? mipWidth / 2 : 1, mipHeight > 1 ? mipHeight / 2 : 1, 1 };
blit.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blit.dstSubresource.mipLevel = i;
blit.dstSubresource.baseArrayLayer = 0;
blit.dstSubresource.layerCount = 1;
vkCmdBlitImage(commandBuffer,
image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &blit,
VK_FILTER_LINEAR);
barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
barrier.srcAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
vkCmdPipelineBarrier(commandBuffer,
VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0,
0, nullptr,
0, nullptr,
1, &barrier);
if (mipWidth > 1) mipWidth /= 2;
if (mipHeight > 1) mipHeight /= 2;
}
barrier.subresourceRange.baseMipLevel = mipLevels - 1;
barrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
barrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
barrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
barrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT;
vkCmdPipelineBarrier(commandBuffer,
VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0,
0, nullptr,
0, nullptr,
1, &barrier);
endSingleTimeCommands(commandBuffer);
}
void Application::createTextureSampler() {
VkPhysicalDeviceProperties properties{};
vkGetPhysicalDeviceProperties(physicalDevice, &properties);
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 = properties.limits.maxSamplerAnisotropy;
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.minLod = 0.0f;
samplerInfo.maxLod = static_cast<float>(mipLevels);
samplerInfo.mipLodBias = 0.0f;
if (vkCreateSampler(device, &samplerInfo, nullptr, &textureSampler) != VK_SUCCESS) {
throw std::runtime_error("failed to create texture sampler!");
}
}
VkImageView Application::createImageView(VkImage image, VkFormat format, VkImageAspectFlags aspectFlags, uint32_t mipLevels) {
VkImageViewCreateInfo viewInfo{};
viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
viewInfo.image = image;
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
viewInfo.format = format;
viewInfo.subresourceRange.aspectMask = aspectFlags;
viewInfo.subresourceRange.baseMipLevel = 0;
viewInfo.subresourceRange.levelCount = mipLevels;
viewInfo.subresourceRange.baseArrayLayer = 0;
viewInfo.subresourceRange.layerCount = 1;
VkImageView imageView;
if (vkCreateImageView(device, &viewInfo, nullptr, &imageView) != VK_SUCCESS) {
throw std::runtime_error("failed to create texture image view!");
}
return imageView;
}
void Application::createImage(uint32_t width, uint32_t height, uint32_t mipLevels, 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 = mipLevels;
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(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 Application::cleanupSwapChain() {
vkDestroyImageView(device, depthImageView, nullptr);
vkDestroyImage(device, depthImage, nullptr);
vkFreeMemory(device, depthImageMemory, nullptr);
for (auto framebuffer : swapChainFramebuffers) {
vkDestroyFramebuffer(device, framebuffer, nullptr);
}
for (auto imageView : swapChainImageViews) {
vkDestroyImageView(device, imageView, nullptr);
}
vkDestroySwapchainKHR(device, swapChain, nullptr);
}
void Application::cleanup() {
cleanupSwapChain();
vkDestroySampler(device, textureSampler, nullptr);
vkDestroyImageView(device, textureImageView, nullptr);
vkDestroyImage(device, textureImage, nullptr);
vkFreeMemory(device, textureImageMemory, nullptr);
vkDestroyPipeline(device, graphicsPipeline, nullptr);
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyRenderPass(device, renderPass, nullptr);
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
vkDestroyBuffer(device, uniformBuffers[i], nullptr);
vkFreeMemory(device, uniformBuffersMemory[i], nullptr);
}
vkDestroyDescriptorPool(device, descriptorPool, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
vkDestroyBuffer(device, indexBuffer, nullptr);
vkFreeMemory(device, indexBufferMemory, nullptr);
vkDestroyBuffer(device, vertexBuffer, nullptr);
vkFreeMemory(device, vertexBufferMemory, nullptr);
for (size_t i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
vkDestroySemaphore(device, renderFinishedSemaphores[i], nullptr);
vkDestroySemaphore(device, imageAvailableSemaphores[i], nullptr);
vkDestroyFence(device, inFlightFences[i], nullptr);
}
vkDestroyCommandPool(device, commandPool, nullptr);
vkDestroyDevice(device, nullptr);
if (enableValidation()) {
DestroyDebugUtilsMessengerEXT(instance, debugMessenger, nullptr);
}
vkDestroySurfaceKHR(instance, surface, nullptr);
vkDestroyInstance(instance, nullptr);
glfwDestroyWindow(window);
glfwTerminate();
}
void Application::recreateSwapChain() {
int width = 0, height = 0;
glfwGetFramebufferSize(window, &width, &height);
while (width == 0 || height == 0) {
glfwGetFramebufferSize(window, &width, &height);
glfwWaitEvents();
}
vkDeviceWaitIdle(device);
cleanupSwapChain();
createSwapChain();
createImageViews();
createDepthResources();
createFramebuffers();
}
void Application::createInstance() {
if (hasValidationLayers && !checkValidationLayerSupport()) {
std::cout << "Validation layers requested, but not available. Debugging without validation layers will be significantly more difficult" << std::endl;
} else if (hasValidationLayers && checkValidationLayerSupport()) {
std::cout << "Has required validation layers" << std::endl;
}
VkApplicationInfo appInfo {};
appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
appInfo.pApplicationName = "Hello Triangle";
appInfo.applicationVersion = VK_MAKE_VERSION(1, 0, 0);
appInfo.pEngineName = "No Engine";
appInfo.engineVersion = VK_MAKE_VERSION(1, 0, 0);
appInfo.apiVersion = VK_API_VERSION_1_0;
VkInstanceCreateInfo createInfo {};
createInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
createInfo.pApplicationInfo = &appInfo;
auto extensions = getRequiredExtensions();
createInfo.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
createInfo.ppEnabledExtensionNames = extensions.data();
VkDebugUtilsMessengerCreateInfoEXT debugCreateInfo {};
if (enableValidation()) {
createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
createInfo.ppEnabledLayerNames = validationLayers.data();
populateDebugMessengerCreateInfo(debugCreateInfo);
createInfo.pNext = (VkDebugUtilsMessengerCreateInfoEXT*) &debugCreateInfo;
} else {
createInfo.enabledLayerCount = 0;
createInfo.pNext = nullptr;
}
if (vkCreateInstance(&createInfo, nullptr, &instance) != VK_SUCCESS) {
throw std::runtime_error("failed to create instance!");
}
loadVolk(instance);
}
void Application::createSurface() {
if (glfwCreateWindowSurface(instance, window, nullptr, &surface) != VK_SUCCESS) {
throw std::runtime_error("failed to create window surface!");
}
}
void Application::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 (isDeviceSuitable(device)) {
physicalDevice = device;
break;
}
}
if (physicalDevice == VK_NULL_HANDLE) {
throw std::runtime_error("failed to find a suitable GPU!");
}
}
void Application::createLogicalDevice() {
QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
std::vector<VkDeviceQueueCreateInfo> queueCreateInfos;
std::set<uint32_t> uniqueQueueFamilies = {indices.graphicsFamily.value(), indices.presentFamily.value()};
float queuePriority = 1.0f;
for (uint32_t 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.samplerAnisotropy = VK_TRUE;
VkDeviceCreateInfo createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
createInfo.queueCreateInfoCount = static_cast<uint32_t>(queueCreateInfos.size());
createInfo.pQueueCreateInfos = queueCreateInfos.data();
createInfo.pEnabledFeatures = &deviceFeatures;
createInfo.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
createInfo.ppEnabledExtensionNames = deviceExtensions.data();
if (enableValidation()) {
createInfo.enabledLayerCount = static_cast<uint32_t>(validationLayers.size());
createInfo.ppEnabledLayerNames = validationLayers.data();
} else {
createInfo.enabledLayerCount = 0;
}
if (vkCreateDevice(physicalDevice, &createInfo, nullptr, &device) != VK_SUCCESS) {
throw std::runtime_error("failed to create logical device!");
}
vkGetDeviceQueue(device, indices.graphicsFamily.value(), 0, &graphicsQueue);
vkGetDeviceQueue(device, indices.presentFamily.value(), 0, &presentQueue);
}
void Application::createSwapChain() {
SwapChainSupportDetails swapChainSupport = querySwapChainSupport(physicalDevice);
VkSurfaceFormatKHR surfaceFormat = chooseSwapSurfaceFormat(swapChainSupport.formats);
VkPresentModeKHR presentMode = chooseSwapPresentMode(swapChainSupport.presentModes);
VkExtent2D extent = chooseSwapExtent(swapChainSupport.capabilities);
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;
QueueFamilyIndices indices = findQueueFamilies(physicalDevice);
uint32_t queueFamilyIndices[] = {indices.graphicsFamily.value(), indices.presentFamily.value()};
if (indices.graphicsFamily != indices.presentFamily) {
createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
createInfo.queueFamilyIndexCount = 2;
createInfo.pQueueFamilyIndices = queueFamilyIndices;
} else {
createInfo.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
}
createInfo.preTransform = swapChainSupport.capabilities.currentTransform;
createInfo.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
createInfo.presentMode = presentMode;
createInfo.clipped = VK_TRUE;
if (vkCreateSwapchainKHR(device, &createInfo, nullptr, &swapChain) != VK_SUCCESS) {
throw std::runtime_error("failed to create swap chain!");
}
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, nullptr);
swapChainImages.resize(imageCount);
vkGetSwapchainImagesKHR(device, swapChain, &imageCount, swapChainImages.data());
swapChainImageFormat = surfaceFormat.format;
swapChainExtent = extent;
}
void Application::createImageViews() {
swapChainImageViews.resize(swapChainImages.size());
for (size_t i = 0; i < swapChainImages.size(); i++) {
swapChainImageViews[i] = createImageView(swapChainImages[i], swapChainImageFormat, VK_IMAGE_ASPECT_COLOR_BIT, 1);
}
}
void Application::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;
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_UNDEFINED;
depthAttachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
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;
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.srcAccessMask = 0;
dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
std::array<VkAttachmentDescription, 2> attachments = {colorAttachment, depthAttachment};
VkRenderPassCreateInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassInfo.attachmentCount = static_cast<uint32_t>(attachments.size());
renderPassInfo.pAttachments = attachments.data();
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 Application::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;
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;
std::array<VkDescriptorSetLayoutBinding, 2> bindings = {uboLayoutBinding, samplerLayoutBinding};
VkDescriptorSetLayoutCreateInfo layoutInfo{};
layoutInfo.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
layoutInfo.bindingCount = static_cast<uint32_t>(bindings.size());
layoutInfo.pBindings = bindings.data();
if (vkCreateDescriptorSetLayout(device, &layoutInfo, nullptr, &descriptorSetLayout) != VK_SUCCESS) {
throw std::runtime_error("failed to create descriptor set layout!");
}
}
void Application::createGraphicsPipeline() {
auto vertShaderCode = readFile("shaders/SPIR-V/vert.spv");
auto fragShaderCode = readFile("shaders/SPIR-V/frag.spv");
VkShaderModule vertShaderModule = createShaderModule(vertShaderCode);
VkShaderModule fragShaderModule = createShaderModule(fragShaderCode);
VkPipelineShaderStageCreateInfo vertShaderStageInfo{};
vertShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
vertShaderStageInfo.stage = VK_SHADER_STAGE_VERTEX_BIT;
vertShaderStageInfo.module = vertShaderModule;
vertShaderStageInfo.pName = "main";
VkPipelineShaderStageCreateInfo fragShaderStageInfo{};
fragShaderStageInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
fragShaderStageInfo.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
fragShaderStageInfo.module = fragShaderModule;
fragShaderStageInfo.pName = "main";
VkPipelineShaderStageCreateInfo shaderStages[] = {vertShaderStageInfo, fragShaderStageInfo};
VkPipelineVertexInputStateCreateInfo vertexInputInfo{};
vertexInputInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
auto bindingDescription = Vertex::getBindingDescription();
auto attributeDescriptions = Vertex::getAttributeDescriptions();
vertexInputInfo.vertexBindingDescriptionCount = 1;
vertexInputInfo.vertexAttributeDescriptionCount = static_cast<uint32_t>(attributeDescriptions.size());
vertexInputInfo.pVertexBindingDescriptions = &bindingDescription;
vertexInputInfo.pVertexAttributeDescriptions = attributeDescriptions.data();
VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
inputAssembly.primitiveRestartEnable = VK_FALSE;
VkPipelineViewportStateCreateInfo viewportState{};
viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
viewportState.viewportCount = 1;
viewportState.scissorCount = 1;
VkPipelineRasterizationStateCreateInfo rasterizer{};
rasterizer.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;