Jiga228/UwU-Engine
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UwU-Engine/UwURenderEngine/RenderEngine/UwURenderEngine.cpp
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#include "UwURenderEngine.hpp"
#include <array>
#include <set>
#include <stdexcept>
#include <fstream>
#include <chrono>
#include <glm/gtc/matrix_transform.hpp>
#include "GPU_GarbageCollector.h"
#include "Core/CoreInstance.hpp"
#include "Log/Log.hpp"
#include "Game/GameInstance.hpp"
#include "Game/World/World.hpp"
#include "../Game/Actors/Mesh/Mesh.hpp"
#include "DeviceFunctions/DeviceFunctions.hpp"
const std::vector<const char*> UwURenderEngine::deviceExtensions = {
VK_KHR_SWAPCHAIN_EXTENSION_NAME
};
RENDER_ENGINE_FACTORY_GENERATE(UwURenderEngine)
#ifdef _DEBUG
static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
VkDebugUtilsMessageTypeFlagsEXT messageType,
const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData,
void* pUserData) {
std::string msg = "validation layer: ";
msg += pCallbackData->pMessage;
Loging::Log(msg);
return VK_FALSE;
}
VkResult UwURenderEngine::enable_layer_validation(const VkDebugUtilsMessengerCreateInfoEXT* create_info)
{
PFN_vkCreateDebugUtilsMessengerEXT debug_creator = reinterpret_cast<PFN_vkCreateDebugUtilsMessengerEXT>(vkGetInstanceProcAddr(instance_, "vkCreateDebugUtilsMessengerEXT"));
return debug_creator(instance_, create_info, nullptr, &debug_messenger_);
}
#endif
UwURenderEngine::SwapchainSupportDetails UwURenderEngine::query_swapchain_details() const
{
SwapchainSupportDetails details;
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physical_device_, surface_, &details.capabilities);
uint32_t surface_format_cnt = 0;
VK_CHECK(vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device_, surface_, &surface_format_cnt, nullptr))
details.formats.resize(surface_format_cnt);
VK_CHECK(vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device_, surface_, &surface_format_cnt, details.formats.data()))
uint32_t present_modes_cnt = 0;
VK_CHECK(vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device_, surface_, &present_modes_cnt, nullptr))
details.present_modes.resize(surface_format_cnt);
VK_CHECK(vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device_, surface_, &present_modes_cnt, details.present_modes.data()))
return details;
}
std::vector<const char*> UwURenderEngine::get_required_extensions()
{
uint32_t extensions_count = 0;
const char** glfw_extension = glfwGetRequiredInstanceExtensions(&extensions_count);
std::vector<const char*> extensions(glfw_extension, glfw_extension + extensions_count);
#ifdef _DEBUG
extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
#endif
return extensions;
}
bool UwURenderEngine::is_device_suitable(VkPhysicalDevice device, VkSurfaceKHR surface)
{
VkPhysicalDeviceProperties device_properties;
VkPhysicalDeviceFeatures device_features;
vkGetPhysicalDeviceProperties(device, &device_properties);
vkGetPhysicalDeviceFeatures(device, &device_features);
try {
// Ловить исключения имеет смысыл только здесь
find_queue_family_indices(device, surface);
} catch (...) {
return false;
}
return check_device_extensions_support(device);
}
bool UwURenderEngine::check_device_extensions_support(VkPhysicalDevice device)
{
uint32_t extension_count;
VK_CHECK(vkEnumerateDeviceExtensionProperties(device, nullptr, &extension_count, nullptr))
std::vector<VkExtensionProperties> available_extensions(extension_count);
VK_CHECK(vkEnumerateDeviceExtensionProperties(device, nullptr, &extension_count, available_extensions.data()))
for (const auto& extension : deviceExtensions)
{
bool isFind = false;
for (const auto& i : available_extensions)
{
if (std::strcmp(i.extensionName, extension) == 0)
{
isFind = true;
break;
}
}
if (!isFind)
return false;
}
return true;
}
UwURenderEngine::QueueFamilyIndices UwURenderEngine::find_queue_family_indices(VkPhysicalDevice physical_device, VkSurfaceKHR surface)
{
QueueFamilyIndices queue_family_indices;
uint32_t queueFamilyCount = 0;
vkGetPhysicalDeviceQueueFamilyProperties(physical_device, &queueFamilyCount, nullptr);
std::vector<VkQueueFamilyProperties> family_properties(queueFamilyCount);
vkGetPhysicalDeviceQueueFamilyProperties(physical_device, &queueFamilyCount, family_properties.data());
// Find graphics
for(uint32_t i = 0; i < family_properties.size(); ++i)
{
if (family_properties[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
{
queue_family_indices.graphics_family = i;
queue_family_indices.is_find_graphics_family = true;
break;
}
}
if (queue_family_indices.is_find_graphics_family == false)
throw std::runtime_error("Failed to find a graphics queue family");
// Find present
VkBool32 present_support = false;
VK_CHECK(vkGetPhysicalDeviceSurfaceSupportKHR(physical_device, queue_family_indices.graphics_family, surface, &present_support))
// Если графическая очередь поддерживет презентацию кадров, то используем её
if (present_support == VK_TRUE)
{
queue_family_indices.present_family = queue_family_indices.graphics_family;
queue_family_indices.is_find_present_family = true;
}
// иначе ищем другую подходящую очередь
else
{
for(uint32_t i = 0; i < family_properties.size(); ++i)
{
present_support = false;
VK_CHECK(vkGetPhysicalDeviceSurfaceSupportKHR(physical_device, i, surface, &present_support))
if (present_support == VK_TRUE)
{
queue_family_indices.present_family = i;
queue_family_indices.is_find_present_family = true;
break;
}
}
}
if (queue_family_indices.is_find_present_family == false)
throw std::runtime_error("Failed to find a present queue family");
// С начала пытаемся найти очередь специалезированную
// для копирования отличную от графической
for(uint32_t i = 0; i < family_properties.size(); ++i)
{
if (i == queue_family_indices.graphics_family)
continue;
if (family_properties[i].queueFlags & VK_QUEUE_TRANSFER_BIT)
{
queue_family_indices.transfer_family = i;
queue_family_indices.is_find_transfer_family = true;
}
}
// Если не находим, то используем графическую
if (queue_family_indices.is_find_transfer_family == false)
{
queue_family_indices.transfer_family = queue_family_indices.graphics_family;
queue_family_indices.is_find_transfer_family = true;
}
return queue_family_indices;
}
VkSurfaceFormatKHR UwURenderEngine::choose_surface_format(const std::vector<VkSurfaceFormatKHR>& surface_formats)
{
for (const auto& i : surface_formats)
{
if (i.format == VK_FORMAT_B8G8R8A8_SRGB && i.colorSpace == VK_COLOR_SPACE_SRGB_NONLINEAR_KHR)
return i;
}
return surface_formats[0];
}
VkPresentModeKHR UwURenderEngine::choose_present_mode(const std::vector<VkPresentModeKHR>& present_modes, VkPresentModeKHR desired_present_mode)
{
for (const auto& i : present_modes)
{
if (i == desired_present_mode)
return i;
}
return VK_PRESENT_MODE_FIFO_KHR;
}
VkShaderModule UwURenderEngine::create_shader_module(const std::string& code) const
{
VkShaderModuleCreateInfo shader_module_info{};
shader_module_info.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
shader_module_info.codeSize = code.size();
shader_module_info.pCode = reinterpret_cast<const uint32_t*>(code.c_str());
VkShaderModule shader_module;
VK_CHECK(vkCreateShaderModule(device_, &shader_module_info, nullptr, &shader_module))
return shader_module;
}
void UwURenderEngine::create_instance()
{
std::vector<const char*> extensions = get_required_extensions();
VkApplicationInfo app_info{};
app_info.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
app_info.apiVersion = VK_API_VERSION_1_0;
app_info.applicationVersion = VK_MAKE_VERSION(0, 0, 0);
app_info.pApplicationName = core_.getGameName().c_str();
app_info.pEngineName = "UwU Engine";
app_info.engineVersion = VK_MAKE_VERSION(0, 0, 0);
VkInstanceCreateInfo instance_create_info{};
instance_create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
instance_create_info.pApplicationInfo = &app_info;
instance_create_info.enabledExtensionCount = static_cast<uint32_t>(extensions.size());
instance_create_info.ppEnabledExtensionNames = extensions.data();
#ifdef _DEBUG
const std::vector<const char*> layers_validation = {
"VK_LAYER_KHRONOS_validation"
};
instance_create_info.enabledLayerCount = static_cast<uint32_t>(layers_validation.size());
instance_create_info.ppEnabledLayerNames = layers_validation.data();
VkDebugUtilsMessengerCreateInfoEXT debug_messenger_create_info{};
debug_messenger_create_info.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
debug_messenger_create_info.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;
debug_messenger_create_info.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;
debug_messenger_create_info.pfnUserCallback = &debugCallback;
instance_create_info.pNext = &debug_messenger_create_info;
#endif
VK_CHECK(vkCreateInstance(&instance_create_info, nullptr, &instance_))
#ifdef _DEBUG
VK_CHECK(enable_layer_validation(&debug_messenger_create_info))
#endif
}
void UwURenderEngine::pick_physical_device()
{
uint32_t device_count = 0;
std::vector<VkPhysicalDevice> devices;
VK_CHECK(vkEnumeratePhysicalDevices(instance_, &device_count, nullptr))
devices.resize(device_count);
VK_CHECK(vkEnumeratePhysicalDevices(instance_, &device_count, devices.data()))
for (const auto& device : devices)
{
if (is_device_suitable(device, surface_))
{
physical_device_ = device;
VkPhysicalDeviceProperties device_properties;
vkGetPhysicalDeviceProperties(physical_device_, &device_properties);
Loging::Log("Using device: " + std::string(device_properties.deviceName));
break;
}
}
if (VK_NULL_HANDLE == physical_device_)
throw std::runtime_error("No suitable device found");
}
void UwURenderEngine::create_logical_device()
{
QueueFamilyIndices indices = find_queue_family_indices(physical_device_, surface_);
VkPhysicalDeviceFeatures device_features{};
std::vector<VkDeviceQueueCreateInfo> queue_create_infos;
std::set<uint32_t> unique_queue_families = {indices.graphics_family,
indices.present_family,
indices.transfer_family};
float queue_priority = 1.0f;
VkDeviceQueueCreateInfo device_queue_create_info{};
device_queue_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
device_queue_create_info.pQueuePriorities = &queue_priority;
for (auto queue_family : unique_queue_families)
{
device_queue_create_info.queueFamilyIndex = queue_family;
device_queue_create_info.queueCount = 1;
queue_create_infos.push_back(device_queue_create_info);
}
VkDeviceCreateInfo device_create_info{};
device_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
device_create_info.queueCreateInfoCount = static_cast<uint32_t>(unique_queue_families.size());
device_create_info.pQueueCreateInfos = queue_create_infos.data();
device_create_info.pEnabledFeatures = &device_features;
device_create_info.enabledExtensionCount = static_cast<uint32_t>(deviceExtensions.size());
device_create_info.ppEnabledExtensionNames = deviceExtensions.data();
#ifdef _DEBUG
const std::vector<const char*> layers_validation = {
"VK_LAYER_KHRONOS_validation"
};
device_create_info.enabledLayerCount = static_cast<uint32_t>(layers_validation.size());
device_create_info.ppEnabledLayerNames = layers_validation.data();
#else
device_create_info.enabledLayerCount = 0;
device_create_info.ppEnabledLayerNames = nullptr;
#endif
VK_CHECK(vkCreateDevice(physical_device_, &device_create_info, nullptr, &device_))
vkGetDeviceQueue(device_, indices.graphics_family, 0, &graphics_queue_);
vkGetDeviceQueue(device_, indices.present_family, 0, &present_queue_);
vkGetDeviceQueue(device_, indices.transfer_family, 0, &transfer_queue_);
}
void UwURenderEngine::create_swapchain()
{
SwapchainSupportDetails swapchain_support = query_swapchain_details();
VkSurfaceFormatKHR surface_format = choose_surface_format(swapchain_support.formats);
VkPresentModeKHR present_mode = choose_present_mode(swapchain_support.present_modes, VK_PRESENT_MODE_MAILBOX_KHR);
VkExtent2D extent = DeviceFunctions::choose_extent(swapchain_support.capabilities, get_window());
uint32_t image_count = swapchain_support.capabilities.minImageCount + 1;
if (swapchain_support.capabilities.maxImageCount > 0 && image_count > swapchain_support.capabilities.maxImageCount)
image_count = swapchain_support.capabilities.maxImageCount;
VkSwapchainCreateInfoKHR swapchain_create_info{};
swapchain_create_info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
swapchain_create_info.surface = surface_;
swapchain_create_info.minImageCount = image_count;
swapchain_create_info.imageFormat = surface_format.format;
swapchain_create_info.imageColorSpace = surface_format.colorSpace;
swapchain_create_info.imageExtent = extent;
swapchain_create_info.imageArrayLayers = 1;
swapchain_create_info.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
swapchain_create_info.preTransform = swapchain_support.capabilities.currentTransform;
swapchain_create_info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
swapchain_create_info.presentMode = present_mode;
swapchain_create_info.clipped = VK_TRUE;
swapchain_create_info.oldSwapchain = VK_NULL_HANDLE;
QueueFamilyIndices family_indices = find_queue_family_indices(physical_device_, surface_);
const std::set<uint32_t> queue_family_indices = { family_indices.graphics_family,
family_indices.present_family,
family_indices.transfer_family };
std::vector<uint32_t> arr_families;
if (queue_family_indices.size() > 1)
{
arr_families.reserve(queue_family_indices.size());
for(auto& i : queue_family_indices)
arr_families.push_back(i);
swapchain_create_info.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
swapchain_create_info.queueFamilyIndexCount = static_cast<uint32_t>(arr_families.size());
swapchain_create_info.pQueueFamilyIndices = arr_families.data();
}
else
{
swapchain_create_info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
swapchain_create_info.queueFamilyIndexCount = 0;
swapchain_create_info.pQueueFamilyIndices = nullptr;
}
VK_CHECK(vkCreateSwapchainKHR(device_, &swapchain_create_info, nullptr, &swapchain_))
vkGetSwapchainImagesKHR(device_, swapchain_, &image_count, nullptr);
swapchain_images_.resize(image_count);
vkGetSwapchainImagesKHR(device_, swapchain_, &image_count, swapchain_images_.data());
swapchain_image_format_ = surface_format.format;
swapchain_extent_ = extent;
}
void UwURenderEngine::create_image_views()
{
VkImageViewCreateInfo image_view_info{};
image_view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
image_view_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
image_view_info.format = swapchain_image_format_;
image_view_info.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_info.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_info.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_info.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
image_view_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
image_view_info.subresourceRange.baseMipLevel = 0;
image_view_info.subresourceRange.levelCount = 1;
image_view_info.subresourceRange.baseArrayLayer = 0;
image_view_info.subresourceRange.layerCount = 1;
swapchain_image_views_.resize(swapchain_images_.size());
for (uint32_t i = 0; i < swapchain_images_.size(); ++i)
{
image_view_info.image = swapchain_images_[i];
VK_CHECK(vkCreateImageView(device_, &image_view_info, nullptr, &swapchain_image_views_[i]))
}
}
void UwURenderEngine::create_render_pass()
{
VkAttachmentDescription attachment_description{};
attachment_description.format = swapchain_image_format_;
attachment_description.samples = VK_SAMPLE_COUNT_1_BIT;
attachment_description.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
attachment_description.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachment_description.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment_description.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment_description.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachment_description.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
VkAttachmentReference attachment_reference;
attachment_reference.attachment = 0;
attachment_reference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
VkSubpassDescription subpass_description{};
subpass_description.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass_description.colorAttachmentCount = 1;
subpass_description.pColorAttachments = &attachment_reference;
VkSubpassDependency dependency{};
dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
dependency.dstSubpass = 0;
dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.srcAccessMask = 0;
dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
VkRenderPassCreateInfo render_pass_info{};
render_pass_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
render_pass_info.attachmentCount = 1;
render_pass_info.pAttachments = &attachment_description;
render_pass_info.subpassCount = 1;
render_pass_info.pSubpasses = &subpass_description;
render_pass_info.dependencyCount = 1;
render_pass_info.pDependencies = &dependency;
VK_CHECK(vkCreateRenderPass(device_, &render_pass_info, nullptr, &render_pass_))
}
void UwURenderEngine::create_description_set_layout()
{
VkDescriptorSetLayoutBinding ubo_layout_binding;
ubo_layout_binding.binding = 0;
ubo_layout_binding.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
ubo_layout_binding.descriptorCount = 1;
ubo_layout_binding.stageFlags = VK_SHADER_STAGE_VERTEX_BIT;
ubo_layout_binding.pImmutableSamplers = nullptr;
VkDescriptorSetLayoutCreateInfo ubo_layout_info{};
ubo_layout_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
ubo_layout_info.bindingCount = 1;
ubo_layout_info.pBindings = &ubo_layout_binding;
VK_CHECK(vkCreateDescriptorSetLayout(device_, &ubo_layout_info, nullptr, &ubo_layout_binding_))
}
void UwURenderEngine::create_uniform_buffers()
{
uniform_buffers_.resize(swapchain_images_.size());
uniform_buffers_memory_.resize(swapchain_images_.size());
uniform_buffers_mapped_.resize(swapchain_images_.size());
std::vector<uint32_t> arr_indices = get_unique_family_indices(find_queue_family_indices(physical_device_, surface_));
for (size_t i = 0; i < swapchain_images_.size(); ++i)
{
const VkDeviceSize size = sizeof(UniformBufferObject);
uniform_buffers_[i] = DeviceFunctions::create_buffer(device_, size, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, arr_indices);
uniform_buffers_memory_[i] = DeviceFunctions::allocate_device_memory(physical_device_, device_, uniform_buffers_[i], VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
vkBindBufferMemory(device_, uniform_buffers_[i], uniform_buffers_memory_[i], 0);
vkMapMemory(device_, uniform_buffers_memory_[i], 0, size, 0, &uniform_buffers_mapped_[i]);
}
}
void UwURenderEngine::create_descriptor_pool()
{
VkDescriptorPoolSize pool_size;
pool_size.type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
pool_size.descriptorCount = static_cast<uint32_t>(swapchain_images_.size());
VkDescriptorPoolCreateInfo descriptor_pool_info{};
descriptor_pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
descriptor_pool_info.poolSizeCount = 1;
descriptor_pool_info.pPoolSizes = &pool_size;
descriptor_pool_info.maxSets = static_cast<uint32_t>(swapchain_images_.size());
VK_CHECK(vkCreateDescriptorPool(device_, &descriptor_pool_info, nullptr, &descriptor_pool_))
}
void UwURenderEngine::create_descriptor_sets()
{
std::vector<VkDescriptorSetLayout> layouts(swapchain_images_.size(), ubo_layout_binding_);
VkDescriptorSetAllocateInfo descriptor_set_allocate_info{};
descriptor_set_allocate_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
descriptor_set_allocate_info.descriptorPool = descriptor_pool_;
descriptor_set_allocate_info.descriptorSetCount = static_cast<uint32_t>(swapchain_images_.size());
descriptor_set_allocate_info.pSetLayouts = layouts.data();
descriptor_sets_.resize(swapchain_images_.size());
VK_CHECK(vkAllocateDescriptorSets(device_, &descriptor_set_allocate_info, descriptor_sets_.data()))
for (size_t i = 0; i < swapchain_images_.size(); ++i)
{
VkDescriptorBufferInfo buffer_info{};
buffer_info.buffer = uniform_buffers_[i];
buffer_info.offset = 0;
buffer_info.range = sizeof(UniformBufferObject);
VkWriteDescriptorSet write_descriptor_set{};
write_descriptor_set.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
write_descriptor_set.dstSet = descriptor_sets_[i];
write_descriptor_set.dstBinding = 0;
write_descriptor_set.dstArrayElement = 0;
write_descriptor_set.descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER;
write_descriptor_set.descriptorCount = 1;
write_descriptor_set.pBufferInfo = &buffer_info;
write_descriptor_set.pImageInfo = nullptr;
write_descriptor_set.pTexelBufferView = nullptr;
vkUpdateDescriptorSets(device_, 1, &write_descriptor_set, 0, nullptr);
}
}
void UwURenderEngine::create_graphics_pipeline()
{
std::ifstream vertex_shader_file("Shaders/vertex.spv", std::ios::binary);
if (!vertex_shader_file.is_open())
throw std::runtime_error("Vertex shader not found");
std::ifstream fragment_shader_file("Shaders/fragment.spv", std::ios::binary);
if (!fragment_shader_file.is_open()) {
vertex_shader_file.close();
throw std::runtime_error("Fragment shader not found");
}
std::string vertex_shader_code((std::istreambuf_iterator<char>(vertex_shader_file)), std::istreambuf_iterator<char>());
std::string fragment_shader_code((std::istreambuf_iterator<char>(fragment_shader_file)), std::istreambuf_iterator<char>());
vertex_shader_file.close();
fragment_shader_file.close();
VkShaderModule vertex_shader = create_shader_module(vertex_shader_code);
VkShaderModule fragment_shader = create_shader_module(fragment_shader_code);
VkPipelineShaderStageCreateInfo vertex_shader_stage_info{};
vertex_shader_stage_info.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
vertex_shader_stage_info.stage = VK_SHADER_STAGE_VERTEX_BIT;
vertex_shader_stage_info.module = vertex_shader;
vertex_shader_stage_info.pName = "main";
VkPipelineShaderStageCreateInfo fragment_shader_stage_info{};
fragment_shader_stage_info.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
fragment_shader_stage_info.stage = VK_SHADER_STAGE_FRAGMENT_BIT;
fragment_shader_stage_info.module = fragment_shader;
fragment_shader_stage_info.pName = "main";
VkPipelineShaderStageCreateInfo shader_stages[] = {vertex_shader_stage_info, fragment_shader_stage_info};
const std::vector<VkDynamicState> dynamic_states = {
VK_DYNAMIC_STATE_VIEWPORT,
VK_DYNAMIC_STATE_SCISSOR
};
VkPipelineDynamicStateCreateInfo dynamic_state_info{};
dynamic_state_info.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
dynamic_state_info.dynamicStateCount = static_cast<uint32_t>(dynamic_states.size());
dynamic_state_info.pDynamicStates = dynamic_states.data();
VkVertexInputBindingDescription binding_description = ModelManager::Vertex::get_binding_description();
std::array<VkVertexInputAttributeDescription, 2> attribute_descriptions = ModelManager::Vertex::get_vertex_attribute_descriptions();
VkPipelineVertexInputStateCreateInfo vertex_input_info{};
vertex_input_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vertex_input_info.vertexBindingDescriptionCount = 1;
vertex_input_info.pVertexBindingDescriptions = &binding_description;
vertex_input_info.vertexAttributeDescriptionCount = static_cast<uint32_t>(attribute_descriptions.size());
vertex_input_info.pVertexAttributeDescriptions = attribute_descriptions.data();
VkPipelineInputAssemblyStateCreateInfo input_assembly_info{};
input_assembly_info.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
input_assembly_info.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
input_assembly_info.primitiveRestartEnable = VK_FALSE;
VkViewport viewport{};
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = static_cast<float>(swapchain_extent_.width);
viewport.height = static_cast<float>(swapchain_extent_.height);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
VkRect2D scissor{};
scissor.offset = {0, 0};
scissor.extent = swapchain_extent_;
VkPipelineViewportStateCreateInfo viewport_info{};
viewport_info.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
viewport_info.viewportCount = 1;
viewport_info.pViewports = &viewport;
viewport_info.scissorCount = 1;
viewport_info.pScissors = &scissor;
VkPipelineRasterizationStateCreateInfo rasterization_info{};
rasterization_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rasterization_info.depthClampEnable = VK_FALSE;
rasterization_info.rasterizerDiscardEnable = VK_FALSE;
rasterization_info.polygonMode = VK_POLYGON_MODE_FILL;
rasterization_info.lineWidth = 1.0f;
rasterization_info.cullMode = VK_CULL_MODE_BACK_BIT;
rasterization_info.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE;
rasterization_info.depthBiasEnable = VK_FALSE;
VkPipelineMultisampleStateCreateInfo multisample_info{};
multisample_info.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
multisample_info.sampleShadingEnable = VK_FALSE;
multisample_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
VkPipelineColorBlendAttachmentState color_blend_attachment_state{};
color_blend_attachment_state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
color_blend_attachment_state.blendEnable = VK_TRUE;
color_blend_attachment_state.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
color_blend_attachment_state.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
color_blend_attachment_state.colorBlendOp = VK_BLEND_OP_ADD;
color_blend_attachment_state.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
color_blend_attachment_state.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
color_blend_attachment_state.alphaBlendOp = VK_BLEND_OP_ADD;
VkPipelineColorBlendStateCreateInfo color_blend_info{};
color_blend_info.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
color_blend_info.logicOpEnable = VK_FALSE;
color_blend_info.attachmentCount = 1;
color_blend_info.pAttachments = &color_blend_attachment_state;
color_blend_info.blendConstants[0] = 0.0f;
color_blend_info.blendConstants[1] = 0.0f;
color_blend_info.blendConstants[2] = 0.0f;
color_blend_info.blendConstants[3] = 0.0f;
VkPipelineLayoutCreateInfo pipeline_layout_info{};
pipeline_layout_info.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
pipeline_layout_info.setLayoutCount = 1;
pipeline_layout_info.pSetLayouts = &ubo_layout_binding_;
VK_CHECK(vkCreatePipelineLayout(device_, &pipeline_layout_info, nullptr, &pipeline_layout_))
VkGraphicsPipelineCreateInfo graphics_pipeline_info{};
graphics_pipeline_info.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
graphics_pipeline_info.stageCount = 2;
graphics_pipeline_info.pStages = shader_stages;
graphics_pipeline_info.layout = pipeline_layout_;
graphics_pipeline_info.pColorBlendState = &color_blend_info;
graphics_pipeline_info.pDynamicState = &dynamic_state_info;
graphics_pipeline_info.pInputAssemblyState = &input_assembly_info;
graphics_pipeline_info.pMultisampleState = &multisample_info;
graphics_pipeline_info.pRasterizationState = &rasterization_info;
graphics_pipeline_info.pViewportState = &viewport_info;
graphics_pipeline_info.pVertexInputState = &vertex_input_info;
graphics_pipeline_info.pDepthStencilState = nullptr;
graphics_pipeline_info.renderPass = render_pass_;
graphics_pipeline_info.subpass = 0;
graphics_pipeline_info.basePipelineHandle = nullptr;
graphics_pipeline_info.basePipelineIndex = -1;
VK_CHECK(vkCreateGraphicsPipelines(device_, nullptr, 1, &graphics_pipeline_info, nullptr, &graphics_pipeline_))
vkDestroyShaderModule(device_, vertex_shader, nullptr);
vkDestroyShaderModule(device_, fragment_shader, nullptr);
}
void UwURenderEngine::create_framebuffers()
{
framebuffers_.resize(swapchain_images_.size());
VkFramebufferCreateInfo framebuffer_info{};
framebuffer_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
framebuffer_info.renderPass = render_pass_;
framebuffer_info.attachmentCount = 1;
framebuffer_info.width = swapchain_extent_.width;
framebuffer_info.height = swapchain_extent_.height;
framebuffer_info.layers = 1;
for (size_t i = 0; i < framebuffers_.size(); ++i)
{
framebuffer_info.pAttachments = &swapchain_image_views_[i];
VK_CHECK(vkCreateFramebuffer(device_, &framebuffer_info, nullptr, &framebuffers_[i]))
}
}
void UwURenderEngine::create_command_pool()
{
QueueFamilyIndices queue_family_indices = find_queue_family_indices(physical_device_, surface_);
VkCommandPoolCreateInfo command_pool_info{};
command_pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
command_pool_info.queueFamilyIndex = queue_family_indices.graphics_family;
command_pool_info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
VK_CHECK(vkCreateCommandPool(device_, &command_pool_info, nullptr, &command_pool_))
}
std::vector<uint32_t> UwURenderEngine::get_unique_family_indices(const QueueFamilyIndices& indices)
{
std::set<uint32_t> set_indices = {indices.graphics_family,
indices.present_family,
indices.transfer_family};
std::vector<uint32_t> arr_indices;
arr_indices.reserve(set_indices.size());
for (auto& i : set_indices)
arr_indices.push_back(i);
return arr_indices;
}
void UwURenderEngine::allocate_vertex_buffer()
{
QueueFamilyIndices indices = find_queue_family_indices(physical_device_, surface_);
std::vector<uint32_t> arr_indices = get_unique_family_indices(indices);
std::vector<uint32_t> transfer_index = {indices.transfer_family};
VkDeviceSize size_buffer = sizeof(vertices_[0]) * vertices_.size();
VkBuffer staging_buffer = DeviceFunctions::create_buffer(device_, size_buffer, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
transfer_index);
VkDeviceMemory staging_buffer_memory = DeviceFunctions::allocate_device_memory(
physical_device_, device_, staging_buffer,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
vertex_buffer_ = DeviceFunctions::create_buffer(device_, size_buffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, arr_indices);
vertex_buffer_memory_ = DeviceFunctions::allocate_device_memory(physical_device_, device_, vertex_buffer_, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
VK_CHECK(vkBindBufferMemory(device_, staging_buffer, staging_buffer_memory, 0))
VK_CHECK(vkBindBufferMemory(device_, vertex_buffer_, vertex_buffer_memory_, 0))
void* data;
VK_CHECK(vkMapMemory(device_, staging_buffer_memory, 0, size_buffer, 0, &data))
memcpy(data, vertices_.data(), size_buffer);
vkUnmapMemory(device_, staging_buffer_memory);
DeviceFunctions::device_memcpy(device_, indices.transfer_family, staging_buffer, vertex_buffer_, size_buffer);
vkFreeMemory(device_, staging_buffer_memory, nullptr);
vkDestroyBuffer(device_, staging_buffer, nullptr);
}
void UwURenderEngine::allocate_index_buffer()
{
QueueFamilyIndices indices = find_queue_family_indices(physical_device_, surface_);
std::set<uint32_t> set_indices = {indices.graphics_family,
indices.present_family,
indices.transfer_family};
std::vector<uint32_t> arr_indices = get_unique_family_indices(indices);
std::vector<uint32_t> transfer_index = {indices.transfer_family};
VkDeviceSize size_buffer = sizeof(indices_[0]) * indices_.size();
VkBuffer staging_buffer = DeviceFunctions::create_buffer(device_, size_buffer, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
transfer_index);
VkDeviceMemory staging_buffer_memory = DeviceFunctions::allocate_device_memory(
physical_device_, device_, staging_buffer,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
vkBindBufferMemory(device_, staging_buffer, staging_buffer_memory, 0);
void* data;
vkMapMemory(device_, staging_buffer_memory, 0, size_buffer, 0, &data);
memcpy(data, indices_.data(), size_buffer);
vkUnmapMemory(device_, staging_buffer_memory);
index_buffer_ = DeviceFunctions::create_buffer(device_, size_buffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT, arr_indices);
index_buffer_memory_ = DeviceFunctions::allocate_device_memory(physical_device_, device_, index_buffer_, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
vkBindBufferMemory(device_, index_buffer_, index_buffer_memory_, 0);
DeviceFunctions::device_memcpy(device_, indices.transfer_family,staging_buffer, index_buffer_, size_buffer);
vkDestroyBuffer(device_, staging_buffer, nullptr);
vkFreeMemory(device_, staging_buffer_memory, nullptr);
}
void UwURenderEngine::allocate_command_buffers()
{
command_buffers_.resize(swapchain_images_.size());
VkCommandBufferAllocateInfo command_buffer_allocate_info{};
command_buffer_allocate_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
command_buffer_allocate_info.commandPool = command_pool_;
command_buffer_allocate_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
command_buffer_allocate_info.commandBufferCount = static_cast<uint32_t>(command_buffers_.size());
VK_CHECK(vkAllocateCommandBuffers(device_, &command_buffer_allocate_info, command_buffers_.data()))
}
void UwURenderEngine::create_sync_objects()
{
image_available_semaphores_.resize(swapchain_images_.size());
render_finished_semaphores_.resize(swapchain_images_.size());
in_flight_fences_.resize(swapchain_images_.size());
VkSemaphoreCreateInfo semaphore_info{};
semaphore_info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
VkFenceCreateInfo fence_info{};
fence_info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
fence_info.flags = VK_FENCE_CREATE_SIGNALED_BIT;
for (size_t i = 0; i < swapchain_images_.size(); ++i)
{
VK_CHECK(vkCreateSemaphore(device_, &semaphore_info, nullptr, &image_available_semaphores_[i]))
VK_CHECK(vkCreateSemaphore(device_, &semaphore_info, nullptr, &render_finished_semaphores_[i]))
VK_CHECK(vkCreateFence(device_, &fence_info, nullptr, &in_flight_fences_[i]))
}
}
void UwURenderEngine::record_command_buffer(VkCommandBuffer command_buffer, uint32_t image_index) const
{
VkCommandBufferBeginInfo command_buffer_begin_info{};
command_buffer_begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
VK_CHECK(vkBeginCommandBuffer(command_buffer, &command_buffer_begin_info))
constexpr VkClearValue clear_color = {{{0.0f, 0.0f, 0.0f, 1.0f}}};
VkRenderPassBeginInfo render_pass_begin_info{};
render_pass_begin_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
render_pass_begin_info.renderPass = render_pass_;
render_pass_begin_info.framebuffer = framebuffers_[image_index];
render_pass_begin_info.renderArea.offset = {0, 0};
render_pass_begin_info.renderArea.extent = swapchain_extent_;
render_pass_begin_info.clearValueCount = 1;
render_pass_begin_info.pClearValues = &clear_color;
vkCmdBeginRenderPass(command_buffer, &render_pass_begin_info, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphics_pipeline_);
VkBuffer vertex_buffers[] = {vertex_buffer_};
VkDeviceSize offset[] = {0};
vkCmdBindVertexBuffers(command_buffer, 0, 1, vertex_buffers, offset);
vkCmdBindDescriptorSets(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline_layout_, 0, 1, &descriptor_sets_[current_frame_], 0, nullptr);
vkCmdBindIndexBuffer(command_buffer, index_buffer_, 0, VK_INDEX_TYPE_UINT16);
VkViewport viewport;
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = static_cast<float>(swapchain_extent_.width);
viewport.height = static_cast<float>(swapchain_extent_.height);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(command_buffer, 0, 1, &viewport);
VkRect2D scissor;
scissor.offset = {0, 0};
scissor.extent = swapchain_extent_;
vkCmdSetScissor(command_buffer, 0, 1, &scissor);
vkCmdDrawIndexed(command_buffer, static_cast<uint32_t>(indices_.size()), 1, 0, 0, 0);
vkCmdEndRenderPass(command_buffer);
VK_CHECK(vkEndCommandBuffer(command_buffer))
}
void UwURenderEngine::update_uniform_buffer(uint32_t current_frame) const
{
static auto start_time = std::chrono::high_resolution_clock::now();
auto current_time = std::chrono::high_resolution_clock::now();
float time = std::chrono::duration_cast<std::chrono::duration<float>>(current_time - start_time).count();
UniformBufferObject ubo;
ubo.model = glm::rotate(glm::mat4(1.0f), time * glm::radians(45.0f), glm::vec3(0.0f, 0.0f, 1.0f));
ubo.view = glm::lookAt(glm::vec3(2.0f, 2.0f, 2.0f), glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, 0.0f, 1.0f));
ubo.proj = glm::perspective(glm::radians(45.0f), static_cast<float>(swapchain_extent_.width) / static_cast<float>(swapchain_extent_.height), 0.1f, 256.0f);
ubo.proj[1][1] *= -1;
memcpy(uniform_buffers_mapped_[current_frame], &ubo, sizeof(ubo));
}
void UwURenderEngine::draw_frame()
{
vkWaitForFences(device_, 1, &in_flight_fences_[current_frame_], VK_TRUE, UINT64_MAX);
vkResetFences(device_, 1, &in_flight_fences_[current_frame_]);
// Free video memory
garbage_collector_->FreeHeap();
uint32_t image_index;
vkAcquireNextImageKHR(device_, swapchain_, UINT64_MAX, image_available_semaphores_[current_frame_], VK_NULL_HANDLE, &image_index);
vkResetCommandBuffer(command_buffers_[current_frame_], 0);
update_uniform_buffer(current_frame_);
record_command_buffer(command_buffers_[current_frame_], image_index);
VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
VkSubmitInfo submit_info{};
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &command_buffers_[current_frame_];
submit_info.waitSemaphoreCount = 1;
submit_info.pWaitSemaphores = &image_available_semaphores_[current_frame_];
submit_info.pWaitDstStageMask = &wait_stage;
submit_info.signalSemaphoreCount = 1;
submit_info.pSignalSemaphores = &render_finished_semaphores_[current_frame_];
VK_CHECK(vkQueueSubmit(graphics_queue_, 1, &submit_info, in_flight_fences_[current_frame_]))
VkPresentInfoKHR present_info{};
present_info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
present_info.waitSemaphoreCount = 1;
present_info.pWaitSemaphores = &render_finished_semaphores_[current_frame_];
present_info.swapchainCount = 1;
present_info.pSwapchains = &swapchain_;
present_info.pImageIndices = &image_index;
present_info.pResults = nullptr;
vkQueuePresentKHR(present_queue_, &present_info);
current_frame_ = (current_frame_ + 1) % static_cast<unsigned int>(swapchain_images_.size());
}
void UwURenderEngine::create_surface()
{
VK_CHECK(glfwCreateWindowSurface(instance_, get_window(), nullptr, &surface_))
}
UwURenderEngine::UwURenderEngine(CoreInstance& core):
core_(core)
#ifdef _DEBUG
,debug_messenger_(nullptr)
#endif
{
create_instance();
create_surface();
pick_physical_device();
create_logical_device();
create_swapchain();
create_image_views();
create_render_pass();
create_description_set_layout();
create_uniform_buffers();
create_descriptor_pool();
create_descriptor_sets();
create_graphics_pipeline();
create_framebuffers();
create_command_pool();
allocate_vertex_buffer();
allocate_command_buffers();
allocate_index_buffer();
create_sync_objects();
garbage_collector_.reset(new GPU_GarbageCollector(device_));
model_manager_.reset(new ModelManager(physical_device_, device_));
}
UwURenderEngine::~UwURenderEngine()
{
vkDeviceWaitIdle(device_);
if (index_buffer_memory_ != VK_NULL_HANDLE)
vkFreeMemory(device_, index_buffer_memory_, nullptr);
if (index_buffer_ != VK_NULL_HANDLE)
vkDestroyBuffer(device_, index_buffer_, nullptr);
if (vertex_buffer_memory_ != VK_NULL_HANDLE)
vkFreeMemory(device_, vertex_buffer_memory_, nullptr);
if (vertex_buffer_ != VK_NULL_HANDLE)
vkDestroyBuffer(device_, vertex_buffer_, nullptr);
for (auto& i : image_available_semaphores_)
vkDestroySemaphore(device_, i, nullptr);
for (auto& i : render_finished_semaphores_)
vkDestroySemaphore(device_, i, nullptr);
for (auto& i : in_flight_fences_)
vkDestroyFence(device_, i, nullptr);
if (command_buffers_.empty() == false)
vkFreeCommandBuffers(device_, command_pool_, static_cast<uint32_t>(command_buffers_.size()), command_buffers_.data());
if (command_pool_ != VK_NULL_HANDLE)
vkDestroyCommandPool(device_, command_pool_, nullptr);
for (auto& i : framebuffers_)
vkDestroyFramebuffer(device_, i, nullptr);
if (graphics_pipeline_ != VK_NULL_HANDLE)
vkDestroyPipeline(device_, graphics_pipeline_, nullptr);
if (pipeline_layout_ != VK_NULL_HANDLE)
vkDestroyPipelineLayout(device_, pipeline_layout_, nullptr);
for (size_t i = 0; i < uniform_buffers_.size(); ++i)
{
vkUnmapMemory(device_, uniform_buffers_memory_[i]);
vkFreeMemory(device_, uniform_buffers_memory_[i], nullptr);
vkDestroyBuffer(device_, uniform_buffers_[i], nullptr);
}
uniform_buffers_.clear();
uniform_buffers_memory_.clear();
uniform_buffers_mapped_.clear();
vkDestroyDescriptorPool(device_, descriptor_pool_, nullptr);
if (ubo_layout_binding_ != VK_NULL_HANDLE)
vkDestroyDescriptorSetLayout(device_, ubo_layout_binding_, nullptr);
if (render_pass_ != VK_NULL_HANDLE)
vkDestroyRenderPass(device_, render_pass_, nullptr);
for (auto image_view : swapchain_image_views_)
vkDestroyImageView(device_, image_view, nullptr);
swapchain_image_views_.clear();
if (swapchain_ != VK_NULL_HANDLE)
vkDestroySwapchainKHR(device_, swapchain_, nullptr);
if (device_ != VK_NULL_HANDLE)
vkDestroyDevice(device_, nullptr);
if (surface_ != VK_NULL_HANDLE)
vkDestroySurfaceKHR(instance_, surface_, nullptr);
#ifdef _DEBUG
if (debug_messenger_ != nullptr && instance_ != nullptr) {
PFN_vkDestroyDebugUtilsMessengerEXT destroyer_messenger = reinterpret_cast<PFN_vkDestroyDebugUtilsMessengerEXT>(vkGetInstanceProcAddr(instance_, "vkDestroyDebugUtilsMessengerEXT"));
destroyer_messenger(instance_, debug_messenger_, nullptr);
}
#endif
if (instance_ != VK_NULL_HANDLE)
vkDestroyInstance(instance_, nullptr);
}
void UwURenderEngine::start()
{
World* world = core_.GetGameInstance()->GetWorld();
std::vector<std::weak_ptr<Mesh>> meshes = world->GetActorsByClass<Mesh>();
for (auto& i : meshes)
{
std::shared_ptr<Mesh> mesh = i.lock();
mesh->load_model(mesh->GetModelName());
}
while (!glfwWindowShouldClose(get_window()))
{
glfwPollEvents();
draw_frame();
}
}
void UwURenderEngine::stop_render() const
{
if (!glfwWindowShouldClose(get_window()))
glfwSetWindowShouldClose(get_window(), true);
}
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