Add RenderEngineSDK

RenderEngineSDK/DeviceFunctions/DeviceFunctions.cpp

@@ -0,0 +1,125 @@
+#include "DeviceFunctions.hpp"
+
+#include <stdexcept>
+#include <string>
+
+VkExtent2D DeviceFunctions::choose_extent(const VkSurfaceCapabilitiesKHR& capabilities, GLFWwindow* window)
+{
+    // The acceptable rendering sparsity is calculated here
+    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));
+        return actualExtent;
+    }
+}
+
+uint32_t DeviceFunctions::find_memory_type(VkPhysicalDevice physical_device, uint32_t typeFilter,
+                                           VkMemoryPropertyFlags properties)
+{
+    VkPhysicalDeviceMemoryProperties memory_properties{};
+    vkGetPhysicalDeviceMemoryProperties(physical_device, &memory_properties);
+
+    for (uint32_t i = 0; i < memory_properties.memoryTypeCount; ++i)
+    {
+        if (typeFilter & (1 << i) && (memory_properties.memoryTypes[i].propertyFlags & properties) == properties)
+            return i;
+    }
+    
+    throw std::runtime_error("failed to find suitable memory type!");
+}
+
+void DeviceFunctions::device_memcpy(VkDevice device, uint32_t transfer_queue_family, VkBuffer src, VkBuffer dst, size_t size)
+{
+    VkCommandPool copy_pool;
+    VkCommandPoolCreateInfo copy_pool_info{};
+    copy_pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
+    copy_pool_info.queueFamilyIndex = transfer_queue_family;
+    copy_pool_info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
+    VK_CHECK(vkCreateCommandPool(device, &copy_pool_info, nullptr, &copy_pool));
+    
+    VkCommandBufferAllocateInfo command_buffer_allocate_info{};
+    command_buffer_allocate_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
+    command_buffer_allocate_info.commandPool = copy_pool;
+    command_buffer_allocate_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
+    command_buffer_allocate_info.commandBufferCount = 1;
+    
+    VkCommandBuffer copy_buffer;
+    VK_CHECK(vkAllocateCommandBuffers(device, &command_buffer_allocate_info, &copy_buffer));
+    
+    VkCommandBufferBeginInfo command_buffer_begin_info{};
+    command_buffer_begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+    command_buffer_begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+    
+    VK_CHECK(vkBeginCommandBuffer(copy_buffer, &command_buffer_begin_info));
+    
+    VkBufferCopy buffer_copy{};
+    buffer_copy.srcOffset = 0;
+    buffer_copy.dstOffset = 0;
+    buffer_copy.size = size;
+    vkCmdCopyBuffer(copy_buffer, src, dst, 1, &buffer_copy);
+
+    vkEndCommandBuffer(copy_buffer);
+
+    VkSubmitInfo submit_info{};
+    submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+    submit_info.commandBufferCount = 1;
+    submit_info.pCommandBuffers = &copy_buffer;
+
+    VkQueue transfer_queue;
+    vkGetDeviceQueue(device, transfer_queue_family, 0, &transfer_queue);
+
+    vkQueueSubmit(transfer_queue, 1, &submit_info, VK_NULL_HANDLE);
+    vkQueueWaitIdle(transfer_queue);
+    
+    vkFreeCommandBuffers(device, copy_pool, 1, &copy_buffer);
+    vkDestroyCommandPool(device, copy_pool, nullptr);
+}
+
+VkBuffer DeviceFunctions::create_buffer(VkDevice device, VkDeviceSize size, VkBufferUsageFlags usage,
+    const std::vector<uint32_t>& queue_families)
+{
+    VkBufferCreateInfo buffer_info{};
+    buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
+    buffer_info.size = size;
+    buffer_info.usage = usage;
+    
+    if (queue_families.size() > 1)
+    {
+        buffer_info.sharingMode = VK_SHARING_MODE_CONCURRENT;
+        buffer_info.queueFamilyIndexCount = static_cast<uint32_t>(queue_families.size());
+        buffer_info.pQueueFamilyIndices = queue_families.data();
+    }
+    else
+    {
+        buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
+        buffer_info.queueFamilyIndexCount = 0;
+        buffer_info.pQueueFamilyIndices = nullptr;
+    }
+
+    VkBuffer buffer;
+    VK_CHECK(vkCreateBuffer(device, &buffer_info, nullptr, &buffer));
+    return buffer;
+}
+
+VkDeviceMemory DeviceFunctions::allocate_device_memory(VkPhysicalDevice physical_device, VkDevice device, VkBuffer buffer, VkMemoryPropertyFlags property)
+{
+    VkMemoryRequirements requirements{};
+    vkGetBufferMemoryRequirements(device, buffer, &requirements);
+    
+    VkMemoryAllocateInfo allocate_info{};
+    allocate_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
+    allocate_info.allocationSize = requirements.size;
+    allocate_info.memoryTypeIndex = find_memory_type(physical_device, requirements.memoryTypeBits, property);
+
+    VkDeviceMemory device_memory;
+    VK_CHECK(vkAllocateMemory(device, &allocate_info, nullptr, &device_memory));
+    return device_memory;
+}

RenderEngineSDK/DeviceFunctions/DeviceFunctions.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#define GLFW_INCLUDE_VULKAN
+#include <GLFW/glfw3.h>
+
+#include <vector>
+
+#ifdef _DEBUG
+#include <assert.h>
+#define VK_CHECK(res) assert(res == VK_SUCCESS);
+#else
+#define VK_CHECK(val) {int res = (val); if ((res) != VK_SUCCESS) throw std::runtime_error("Vulkan error: " + std::to_string(static_cast<int>(res)));}
+#endif
+
+namespace DeviceFunctions
+{
+    VkExtent2D choose_extent(const VkSurfaceCapabilitiesKHR& capabilities, GLFWwindow* window);
+    uint32_t find_memory_type(VkPhysicalDevice physical_device, uint32_t typeFilter, VkMemoryPropertyFlags properties);
+    void device_memcpy(VkDevice device, uint32_t transfer_queue_family, VkBuffer src, VkBuffer dst, size_t size);
+    VkBuffer create_buffer(VkDevice device, VkDeviceSize size, VkBufferUsageFlags usage, const std::vector<uint32_t>& queue_families);
+    VkDeviceMemory allocate_device_memory(VkPhysicalDevice physical_device, VkDevice device, VkBuffer buffer, VkMemoryPropertyFlags property);
+}

UwURenderEngine/CMakeLists.txt

@@ -2,6 +2,6 @@ file(GLOB_RECURSE SRC "*.cpp" "*.c" "*.hpp" "*.h")
 
 add_library(UwURenderEngine ${SRC})
 target_include_directories(UwURenderEngine PUBLIC ${PROJECT_SOURCE_DIR}/RenderEngineSDK)
-target_link_libraries(UwURenderEngine PRIVATE RenderEngineSDK)
+target_link_libraries(UwURenderEngine PUBLIC RenderEngineSDK)
 
 target_compile_features(UwURenderEngine PRIVATE cxx_std_17)

UwURenderEngine/RenderEngine/ModelManager.cpp

@@ -1,7 +1,47 @@
 #include "ModelManager.hpp"
 
+#include <array>
+
 #include "Log/Log.hpp"
 
+ModelManager::StaticModel::StaticModel(const std::vector<Vertex>& vertices, const std::vector<uint32_t>& indices,
+    VkPhysicalDevice physical_device, VkDevice device):
+physical_device_(physical_device),
+device_(device)
+{
+}
+
+ModelManager::StaticModel::~StaticModel()
+{
+}
+
+VkVertexInputBindingDescription ModelManager::Vertex::get_binding_description()
+{
+    VkVertexInputBindingDescription description;
+    description.binding = 0;
+    description.stride = sizeof(Vertex);
+    description.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
+    return description;
+}
+
+std::array<VkVertexInputAttributeDescription, 2> ModelManager::Vertex::get_vertex_attribute_descriptions()
+{
+    std::array<VkVertexInputAttributeDescription, 2> descriptions;
+    // Bind vertex loc
+    descriptions[0].binding = 0;
+    descriptions[0].location = 0;
+    descriptions[0].format = VK_FORMAT_R32G32B32_SFLOAT;
+    descriptions[0].offset = offsetof(Vertex, pos);
+
+    // Bind color
+    descriptions[1].binding = 0;
+    descriptions[1].location = 1;
+    descriptions[1].format = VK_FORMAT_R32G32B32_SFLOAT;
+    descriptions[1].offset = offsetof(Vertex, color);
+    
+    return descriptions;
+}
+
 ModelManager::owner_counter::owner_counter(const owner_counter& other) : counter(other.counter.load()), model(other.model)
 {
 }
@@ -19,6 +59,11 @@ unsigned int ModelManager::FNV1aHash(const char* buf)
     return h_val;
 }
 
+ModelManager::ModelManager(VkPhysicalDevice physical_device, VkDevice device):
+physical_device_(physical_device),
+device_(device)
+{}
+
 ModelManager::~ModelManager()
 {
     models.clear();
@@ -37,11 +82,14 @@ ModelManager::StaticModel* ModelManager::LoadModel(const std::string& name)
     }
 
     Loging::Log("Load new model: " + name);
-    
+
+    std::vector<Vertex> vertices;
+    std::vector<uint32_t> indices;
     // Load model_data
+    
     owner_counter new_counter;
     new_counter.counter.store(1);
-    new_counter.model = new StaticModel();
+    new_counter.model = new StaticModel(vertices, indices, physical_device_, device_);
     models.try_emplace(hash, new_counter);
     return new_counter.model;
 }

UwURenderEngine/RenderEngine/ModelManager.hpp

@@ -3,14 +3,34 @@
 #include <unordered_map>
 #include <string>
 #include <atomic>
+#include <glm/vec3.hpp>
+
+#include <vulkan/vulkan.h>
 
 class ModelManager
 {
 public:
+    struct Vertex
+    {
+        glm::vec3 pos, color;
+        static VkVertexInputBindingDescription get_binding_description();
+        static std::array<VkVertexInputAttributeDescription, 2> get_vertex_attribute_descriptions();
+    
+    };
     class StaticModel
     {
-        //DATA
+        VkPhysicalDevice physical_device_;
-    };
+        VkDevice device_;
+        VkBuffer vertex_buffer_;
+        VkBuffer index_buffer_;
+
+        
+    public:
+        StaticModel(const std::vector<Vertex>& vertices, const std::vector<uint32_t>& indices,
+            VkPhysicalDevice physical_device, VkDevice device);
+        ~StaticModel();
+
+        };
 
     struct owner_counter
     {
@@ -22,12 +42,14 @@ public:
     };
     
 private:
-
+    VkPhysicalDevice physical_device_;
+    VkDevice device_;
     std::unordered_map<unsigned int, owner_counter> models;
 
     static unsigned int FNV1aHash (const char *buf);
 
 public:
+    ModelManager(VkPhysicalDevice physical_device, VkDevice device);
     ~ModelManager();
     
     StaticModel* LoadModel(const std::string& name);

UwURenderEngine/RenderEngine/UwURenderEngine.cpp

@@ -12,6 +12,7 @@
 #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
@@ -47,14 +48,14 @@ UwURenderEngine::SwapchainSupportDetails UwURenderEngine::query_swapchain_detail
     vkGetPhysicalDeviceSurfaceCapabilitiesKHR(physical_device_, surface_, &details.capabilities);
 
     uint32_t surface_format_cnt = 0;
-    VK_CHECK(vkGetPhysicalDeviceSurfaceFormatsKHR(physical_device_, surface_, &surface_format_cnt, nullptr));
+    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()));
+    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));
+    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()));
+    VK_CHECK(vkGetPhysicalDeviceSurfacePresentModesKHR(physical_device_, surface_, &present_modes_cnt, details.present_modes.data()))
     
     return details;
 }
@@ -71,33 +72,6 @@ std::vector<const char*> UwURenderEngine::get_required_extensions()
     return extensions;
 }
 
-VkVertexInputBindingDescription UwURenderEngine::Vertex::get_binding_description()
-{
-    VkVertexInputBindingDescription description;
-    description.binding = 0;
-    description.stride = sizeof(Vertex);
-    description.inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
-    return description;
-}
-
-std::array<VkVertexInputAttributeDescription, 2> UwURenderEngine::Vertex::get_vertex_attribute_descriptions()
-{
-    std::array<VkVertexInputAttributeDescription, 2> descriptions;
-    // Bind vertex loc
-    descriptions[0].binding = 0;
-    descriptions[0].location = 0;
-    descriptions[0].format = VK_FORMAT_R32G32B32_SFLOAT;
-    descriptions[0].offset = offsetof(Vertex, pos);
-
-    // Bind color
-    descriptions[1].binding = 0;
-    descriptions[1].location = 1;
-    descriptions[1].format = VK_FORMAT_R32G32B32_SFLOAT;
-    descriptions[1].offset = offsetof(Vertex, color);
-    
-    return descriptions;
-}
-
 bool UwURenderEngine::is_device_suitable(VkPhysicalDevice device, VkSurfaceKHR surface)
 {
     VkPhysicalDeviceProperties device_properties;
@@ -107,7 +81,7 @@ bool UwURenderEngine::is_device_suitable(VkPhysicalDevice device, VkSurfaceKHR s
 
     try {
         // Ловить исключения имеет смысыл только здесь
-        QueueFamilyIndices indices =  find_queue_family_indices(device, surface);
+        find_queue_family_indices(device, surface);
     } catch (...) {
         return false;
     }
@@ -118,9 +92,9 @@ bool UwURenderEngine::is_device_suitable(VkPhysicalDevice device, VkSurfaceKHR s
 bool UwURenderEngine::check_device_extensions_support(VkPhysicalDevice device)
 {
     uint32_t extension_count;
-    VK_CHECK(vkEnumerateDeviceExtensionProperties(device, nullptr, &extension_count, nullptr));
+    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()));
+    VK_CHECK(vkEnumerateDeviceExtensionProperties(device, nullptr, &extension_count, available_extensions.data()))
 
     for (const auto& extension : deviceExtensions)
     {
@@ -163,7 +137,7 @@ UwURenderEngine::QueueFamilyIndices UwURenderEngine::find_queue_family_indices(V
 
     // Find present
     VkBool32 present_support = false;
-    VK_CHECK(vkGetPhysicalDeviceSurfaceSupportKHR(physical_device, queue_family_indices.graphics_family.value(), surface, &present_support));
+    VK_CHECK(vkGetPhysicalDeviceSurfaceSupportKHR(physical_device, queue_family_indices.graphics_family.value(), 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;
@@ -173,7 +147,7 @@ UwURenderEngine::QueueFamilyIndices UwURenderEngine::find_queue_family_indices(V
         for(uint32_t i = 0; i < family_properties.size(); ++i)
         {
             present_support = false;
-                VK_CHECK(vkGetPhysicalDeviceSurfaceSupportKHR(physical_device, i, surface, &present_support));
+                VK_CHECK(vkGetPhysicalDeviceSurfaceSupportKHR(physical_device, i, surface, &present_support))
             if (present_support == VK_TRUE)
             {
                 queue_family_indices.present_family = i;
@@ -220,24 +194,6 @@ VkPresentModeKHR UwURenderEngine::choose_present_mode(const std::vector<VkPresen
     return VK_PRESENT_MODE_FIFO_KHR;
 }
 
-VkExtent2D UwURenderEngine::choose_extent(const VkSurfaceCapabilitiesKHR& capabilities, GLFWwindow* window)
-{
-    // Здесь вычисляется допустимое разрешение рендера
-    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));
-        return actualExtent;
-    }
-}
-
 VkShaderModule UwURenderEngine::create_shader_module(const std::string& code) const
 {
     VkShaderModuleCreateInfo shader_module_info{};
@@ -246,47 +202,10 @@ VkShaderModule UwURenderEngine::create_shader_module(const std::string& code) co
     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));
+    VK_CHECK(vkCreateShaderModule(device_, &shader_module_info, nullptr, &shader_module))
     return shader_module;
 }
 
-void UwURenderEngine::create_buffer(VkDeviceSize size, VkBufferUsageFlags usage,
-    VkBuffer* buffer, const std::vector<uint32_t>& queue_families)
-{
-    VkBufferCreateInfo buffer_info{};
-    buffer_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
-    buffer_info.size = size;
-    buffer_info.usage = usage;
-    
-    if (queue_families.size() > 1)
-    {
-        buffer_info.sharingMode = VK_SHARING_MODE_CONCURRENT;
-        buffer_info.queueFamilyIndexCount = static_cast<uint32_t>(queue_families.size());
-        buffer_info.pQueueFamilyIndices = queue_families.data();
-    }
-    else
-    {
-        buffer_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
-        buffer_info.queueFamilyIndexCount = 0;
-        buffer_info.pQueueFamilyIndices = nullptr;
-    }
-    
-    VK_CHECK(vkCreateBuffer(device_, &buffer_info, nullptr, buffer));
-}
-
-void UwURenderEngine::allocate_memory(VkBuffer buffer, VkMemoryPropertyFlags property, VkDeviceMemory* device_memory)
-{
-    VkMemoryRequirements requirements{};
-    vkGetBufferMemoryRequirements(device_, buffer, &requirements);
-    
-    VkMemoryAllocateInfo allocate_info{};
-    allocate_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
-    allocate_info.allocationSize = requirements.size;
-    allocate_info.memoryTypeIndex = find_memory_type(requirements.memoryTypeBits, property);
-
-    VK_CHECK(vkAllocateMemory(device_, &allocate_info, nullptr, device_memory));
-}
-
 void UwURenderEngine::create_instance()
 {
     std::vector<const char*> extensions = get_required_extensions();
@@ -318,9 +237,9 @@ void UwURenderEngine::create_instance()
     debug_messenger_create_info.pfnUserCallback = &debugCallback;
     instance_create_info.pNext = &debug_messenger_create_info;
 #endif
-    VK_CHECK(vkCreateInstance(&instance_create_info, nullptr, &instance_));
+    VK_CHECK(vkCreateInstance(&instance_create_info, nullptr, &instance_))
 #ifdef _DEBUG
-    VK_CHECK(enable_layer_validation(&debug_messenger_create_info));
+    VK_CHECK(enable_layer_validation(&debug_messenger_create_info))
 #endif
 }
 
@@ -328,9 +247,9 @@ void UwURenderEngine::pick_physical_device()
 {
         uint32_t device_count = 0;
         std::vector<VkPhysicalDevice> devices;
-        VK_CHECK(vkEnumeratePhysicalDevices(instance_, &device_count, nullptr));
+        VK_CHECK(vkEnumeratePhysicalDevices(instance_, &device_count, nullptr))
         devices.resize(device_count);
-        VK_CHECK(vkEnumeratePhysicalDevices(instance_, &device_count, devices.data()));
+        VK_CHECK(vkEnumeratePhysicalDevices(instance_, &device_count, devices.data()))
 
         for (const auto& device : devices)
         {
@@ -389,7 +308,7 @@ void UwURenderEngine::create_logical_device()
     device_create_info.ppEnabledLayerNames = nullptr;
 
 #endif
-    VK_CHECK(vkCreateDevice(physical_device_, &device_create_info, nullptr, &device_));
+    VK_CHECK(vkCreateDevice(physical_device_, &device_create_info, nullptr, &device_))
     vkGetDeviceQueue(device_, indices.graphics_family.value(), 0, &graphics_queue_);
     vkGetDeviceQueue(device_, indices.present_family.value(), 0, &present_queue_);
     vkGetDeviceQueue(device_, indices.transfer_family.value(), 0, &transfer_queue_);
@@ -400,7 +319,7 @@ 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 = choose_extent(swapchain_support.capabilities, get_window());
+    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)
@@ -444,7 +363,7 @@ void UwURenderEngine::create_swapchain()
         swapchain_create_info.pQueueFamilyIndices = nullptr;
     }
 
-    VK_CHECK(vkCreateSwapchainKHR(device_, &swapchain_create_info, nullptr, &swapchain_));
+    VK_CHECK(vkCreateSwapchainKHR(device_, &swapchain_create_info, nullptr, &swapchain_))
 
     vkGetSwapchainImagesKHR(device_, swapchain_, &image_count, nullptr);
     swapchain_images_.resize(image_count);
@@ -474,7 +393,7 @@ void UwURenderEngine::create_image_views()
     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]));
+        VK_CHECK(vkCreateImageView(device_, &image_view_info, nullptr, &swapchain_image_views_[i]))
     }
 }
 
@@ -516,7 +435,7 @@ void UwURenderEngine::create_render_pass()
     render_pass_info.dependencyCount = 1;
     render_pass_info.pDependencies = &dependency;
 
-    VK_CHECK(vkCreateRenderPass(device_, &render_pass_info, nullptr, &render_pass_));
+    VK_CHECK(vkCreateRenderPass(device_, &render_pass_info, nullptr, &render_pass_))
 }
 
 void UwURenderEngine::create_description_set_layout()
@@ -533,7 +452,7 @@ void UwURenderEngine::create_description_set_layout()
     ubo_layout_info.bindingCount = 1;
     ubo_layout_info.pBindings = &ubo_layout_binding;
 
-    VK_CHECK(vkCreateDescriptorSetLayout(device_, &ubo_layout_info, nullptr, &ubo_layout_binding_));
+    VK_CHECK(vkCreateDescriptorSetLayout(device_, &ubo_layout_info, nullptr, &ubo_layout_binding_))
 }
 
 void UwURenderEngine::create_uniform_buffers()
@@ -546,8 +465,8 @@ void UwURenderEngine::create_uniform_buffers()
     for (size_t i = 0; i < swapchain_images_.size(); ++i)
     {
         const VkDeviceSize size = sizeof(UniformBufferObject);
-        create_buffer(size, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, &uniform_buffers_[i], arr_indices);
+        uniform_buffers_[i] = DeviceFunctions::create_buffer(device_, size, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, arr_indices);
-        allocate_memory(uniform_buffers_[i], VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &uniform_buffers_memory_[i]);
+        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]);
@@ -566,7 +485,7 @@ void UwURenderEngine::create_descriptor_pool()
     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_));
+    VK_CHECK(vkCreateDescriptorPool(device_, &descriptor_pool_info, nullptr, &descriptor_pool_))
 }
 
 void UwURenderEngine::create_descriptor_sets()
@@ -579,7 +498,7 @@ void UwURenderEngine::create_descriptor_sets()
     descriptor_set_allocate_info.pSetLayouts = layouts.data();
 
     descriptor_sets_.resize(swapchain_images_.size());
-    VK_CHECK(vkAllocateDescriptorSets(device_, &descriptor_set_allocate_info, descriptor_sets_.data()));
+    VK_CHECK(vkAllocateDescriptorSets(device_, &descriptor_set_allocate_info, descriptor_sets_.data()))
 
     for (size_t i = 0; i < swapchain_images_.size(); ++i)
     {
@@ -645,8 +564,8 @@ void UwURenderEngine::create_graphics_pipeline()
     dynamic_state_info.dynamicStateCount = static_cast<uint32_t>(dynamic_states.size());
     dynamic_state_info.pDynamicStates = dynamic_states.data();
 
-    VkVertexInputBindingDescription binding_description = Vertex::get_binding_description();
+    VkVertexInputBindingDescription binding_description = ModelManager::Vertex::get_binding_description();
-    std::array<VkVertexInputAttributeDescription, 2> attribute_descriptions = Vertex::get_vertex_attribute_descriptions();
+    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;
@@ -719,7 +638,7 @@ void UwURenderEngine::create_graphics_pipeline()
     pipeline_layout_info.setLayoutCount = 1;
     pipeline_layout_info.pSetLayouts = &ubo_layout_binding_;
 
-    VK_CHECK(vkCreatePipelineLayout(device_, &pipeline_layout_info, nullptr, &pipeline_layout_));
+    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;
@@ -739,7 +658,7 @@ void UwURenderEngine::create_graphics_pipeline()
     graphics_pipeline_info.basePipelineHandle = nullptr;
     graphics_pipeline_info.basePipelineIndex = -1;
 
-    VK_CHECK(vkCreateGraphicsPipelines(device_, nullptr, 1, &graphics_pipeline_info, nullptr, &graphics_pipeline_));
+    VK_CHECK(vkCreateGraphicsPipelines(device_, nullptr, 1, &graphics_pipeline_info, nullptr, &graphics_pipeline_))
     
     vkDestroyShaderModule(device_, vertex_shader, nullptr);
     vkDestroyShaderModule(device_, fragment_shader, nullptr);
@@ -760,7 +679,7 @@ void UwURenderEngine::create_framebuffers()
     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]));
+        VK_CHECK(vkCreateFramebuffer(device_, &framebuffer_info, nullptr, &framebuffers_[i]))
     }
 }
 
@@ -773,21 +692,7 @@ void UwURenderEngine::create_command_pool()
     command_pool_info.queueFamilyIndex = queue_family_indices.graphics_family.value();
     command_pool_info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
 
-    VK_CHECK(vkCreateCommandPool(device_, &command_pool_info, nullptr, &command_pool_));
+    VK_CHECK(vkCreateCommandPool(device_, &command_pool_info, nullptr, &command_pool_))
-}
-
-uint32_t UwURenderEngine::find_memory_type(uint32_t typeFilter, VkMemoryPropertyFlags properties) const
-{
-    VkPhysicalDeviceMemoryProperties memory_properties{};
-    vkGetPhysicalDeviceMemoryProperties(physical_device_, &memory_properties);
-
-    for (uint32_t i = 0; i < memory_properties.memoryTypeCount; ++i)
-    {
-        if (typeFilter & (1 << i) && (memory_properties.memoryTypes[i].propertyFlags & properties) == properties)
-            return i;
-    }
-    
-    throw std::runtime_error("failed to find suitable memory type!");
 }
 
 std::vector<uint32_t> UwURenderEngine::get_unique_family_indices(const QueueFamilyIndices& indices)
@@ -810,26 +715,26 @@ void UwURenderEngine::allocate_vertex_buffer()
     
     std::vector<uint32_t> arr_indices = get_unique_family_indices(indices);
     std::vector<uint32_t> transfer_index = {indices.transfer_family.value()};
-    
+
-    VkBuffer staging_buffer = VK_NULL_HANDLE;
-    VkDeviceMemory staging_buffer_memory = VK_NULL_HANDLE;
-        
     VkDeviceSize size_buffer = sizeof(vertices_[0]) * vertices_.size();
-    create_buffer(size_buffer, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, &staging_buffer, transfer_index);
+    VkBuffer staging_buffer = DeviceFunctions::create_buffer(device_, size_buffer, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
-    allocate_memory(staging_buffer, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &staging_buffer_memory);
+                                                             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);
     
-    create_buffer(size_buffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, &vertex_buffer_, arr_indices);
+    vertex_buffer_ = DeviceFunctions::create_buffer(device_, size_buffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, arr_indices);
-    allocate_memory(vertex_buffer_, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &vertex_buffer_memory_);
+    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_, staging_buffer, staging_buffer_memory, 0))
-    VK_CHECK(vkBindBufferMemory(device_, vertex_buffer_, vertex_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));
+    VK_CHECK(vkMapMemory(device_, staging_buffer_memory, 0, size_buffer, 0, &data))
     memcpy(data, vertices_.data(), size_buffer);
     vkUnmapMemory(device_, staging_buffer_memory);
 
-    copy_memory(staging_buffer, vertex_buffer_, size_buffer);
+    DeviceFunctions::device_memcpy(device_, indices.transfer_family.value(), staging_buffer, vertex_buffer_, size_buffer);
 
     vkFreeMemory(device_, staging_buffer_memory, nullptr);
     vkDestroyBuffer(device_, staging_buffer, nullptr);
@@ -845,11 +750,12 @@ void UwURenderEngine::allocate_index_buffer()
     std::vector<uint32_t> arr_indices = get_unique_family_indices(indices);
     std::vector<uint32_t> transfer_index = {indices.transfer_family.value()};
 
-    VkBuffer staging_buffer = VK_NULL_HANDLE;
-    VkDeviceMemory staging_buffer_memory = VK_NULL_HANDLE;
     VkDeviceSize size_buffer = sizeof(indices_[0]) * indices_.size();
-    create_buffer(size_buffer, VK_BUFFER_USAGE_TRANSFER_SRC_BIT, &staging_buffer, transfer_index);
+    VkBuffer staging_buffer = DeviceFunctions::create_buffer(device_, size_buffer, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
-    allocate_memory(staging_buffer, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &staging_buffer_memory);
+                                                             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;
@@ -857,61 +763,16 @@ void UwURenderEngine::allocate_index_buffer()
     memcpy(data, indices_.data(), size_buffer);
     vkUnmapMemory(device_, staging_buffer_memory);
     
-    create_buffer(size_buffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT, &index_buffer_, arr_indices);
+    index_buffer_ = DeviceFunctions::create_buffer(device_, size_buffer, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT, arr_indices);
-    allocate_memory(index_buffer_, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, &index_buffer_memory_);
+    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);
-    
+
-    copy_memory(staging_buffer, index_buffer_, size_buffer);
+    DeviceFunctions::device_memcpy(device_, indices.transfer_family.value(),staging_buffer, index_buffer_, size_buffer);
 
     vkDestroyBuffer(device_, staging_buffer, nullptr);
     vkFreeMemory(device_, staging_buffer_memory, nullptr);
 }
 
-void UwURenderEngine::copy_memory(VkBuffer src, VkBuffer dst, VkDeviceSize size)
-{
-    QueueFamilyIndices indices = find_queue_family_indices(physical_device_, surface_);
-    VkCommandPool copy_pool;
-    VkCommandPoolCreateInfo copy_pool_info{};
-    copy_pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
-    copy_pool_info.queueFamilyIndex = indices.transfer_family.value();
-    copy_pool_info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
-    VK_CHECK(vkCreateCommandPool(device_, &copy_pool_info, nullptr, &copy_pool));
-    
-    VkCommandBufferAllocateInfo command_buffer_allocate_info{};
-    command_buffer_allocate_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
-    command_buffer_allocate_info.commandPool = copy_pool;
-    command_buffer_allocate_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
-    command_buffer_allocate_info.commandBufferCount = 1;
-    
-    VkCommandBuffer copy_buffer;
-    VK_CHECK(vkAllocateCommandBuffers(device_, &command_buffer_allocate_info, &copy_buffer));
-    
-    VkCommandBufferBeginInfo command_buffer_begin_info{};
-    command_buffer_begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
-    command_buffer_begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
-    
-    VK_CHECK(vkBeginCommandBuffer(copy_buffer, &command_buffer_begin_info));
-    
-    VkBufferCopy buffer_copy{};
-    buffer_copy.srcOffset = 0;
-    buffer_copy.dstOffset = 0;
-    buffer_copy.size = size;
-    vkCmdCopyBuffer(copy_buffer, src, dst, 1, &buffer_copy);
-
-    vkEndCommandBuffer(copy_buffer);
-
-    VkSubmitInfo submit_info{};
-    submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
-    submit_info.commandBufferCount = 1;
-    submit_info.pCommandBuffers = &copy_buffer;
-
-    vkQueueSubmit(transfer_queue_, 1, &submit_info, VK_NULL_HANDLE);
-    vkQueueWaitIdle(transfer_queue_);
-    
-    vkFreeCommandBuffers(device_, copy_pool, 1, &copy_buffer);
-    vkDestroyCommandPool(device_, copy_pool, nullptr);
-}
-
 void UwURenderEngine::allocate_command_buffers()
 {
     command_buffers_.resize(swapchain_images_.size());
@@ -922,7 +783,7 @@ void UwURenderEngine::allocate_command_buffers()
     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()));
+    VK_CHECK(vkAllocateCommandBuffers(device_, &command_buffer_allocate_info, command_buffers_.data()))
 }
 
 void UwURenderEngine::create_sync_objects()
@@ -940,9 +801,9 @@ void UwURenderEngine::create_sync_objects()
 
     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, &image_available_semaphores_[i]))
-        VK_CHECK(vkCreateSemaphore(device_, &semaphore_info, nullptr, &render_finished_semaphores_[i]));
+        VK_CHECK(vkCreateSemaphore(device_, &semaphore_info, nullptr, &render_finished_semaphores_[i]))
-        VK_CHECK(vkCreateFence(device_, &fence_info, nullptr, &in_flight_fences_[i]));
+        VK_CHECK(vkCreateFence(device_, &fence_info, nullptr, &in_flight_fences_[i]))
     }
 }
 
@@ -950,7 +811,7 @@ void UwURenderEngine::record_command_buffer(VkCommandBuffer command_buffer, uint
 {
     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));
+    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{};
@@ -990,7 +851,7 @@ void UwURenderEngine::record_command_buffer(VkCommandBuffer command_buffer, uint
     vkCmdDrawIndexed(command_buffer, static_cast<uint32_t>(indices_.size()), 1, 0, 0, 0);
     
     vkCmdEndRenderPass(command_buffer);
-    VK_CHECK(vkEndCommandBuffer(command_buffer));
+    VK_CHECK(vkEndCommandBuffer(command_buffer))
 }
 
 void UwURenderEngine::update_uniform_buffer(uint32_t current_frame)
@@ -998,7 +859,7 @@ void UwURenderEngine::update_uniform_buffer(uint32_t current_frame)
     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{};
+    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);
@@ -1030,7 +891,7 @@ void UwURenderEngine::draw_frame()
     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_]));
+    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;
@@ -1048,12 +909,11 @@ void UwURenderEngine::draw_frame()
 
 void UwURenderEngine::create_surface()
 {
-    VK_CHECK(glfwCreateWindowSurface(instance_, get_window(), nullptr, &surface_));
+    VK_CHECK(glfwCreateWindowSurface(instance_, get_window(), nullptr, &surface_))
 }
 
 UwURenderEngine::UwURenderEngine(CoreInstance& core):
-core_(core),
+core_(core)
-model_manager_(new ModelManager)
 #ifdef _DEBUG
 ,debug_messenger_(nullptr)
 #endif
@@ -1076,6 +936,8 @@ model_manager_(new ModelManager)
     allocate_command_buffers();
     allocate_index_buffer();
     create_sync_objects();
+    
+    model_manager_.reset(new ModelManager(physical_device_, device_));
 }
 
 UwURenderEngine::~UwURenderEngine()

UwURenderEngine/RenderEngine/UwURenderEngine.hpp

@@ -12,13 +12,6 @@
 #include <glm/glm.hpp>
 #include <glm/gtc/matrix_transform.hpp>
 
-#ifdef _DEBUG
-#include <assert.h>
-#define VK_CHECK(res) assert(res == VK_SUCCESS)
-#else
-#define VK_CHECK(res) if ((res) != VK_SUCCESS) throw std::runtime_error("Vulkan error: " + std::to_string(res))
-#endif
-
 class UwURenderEngine : public RenderEngineBase
 {
     struct QueueFamilyIndices
@@ -33,20 +26,13 @@ class UwURenderEngine : public RenderEngineBase
         std::vector<VkSurfaceFormatKHR> formats;
         std::vector<VkPresentModeKHR> present_modes;
     };
-    struct Vertex
-    {
-        glm::vec3 pos;
-        glm::vec3 color;
-        static VkVertexInputBindingDescription get_binding_description();
-        static std::array<VkVertexInputAttributeDescription, 2> get_vertex_attribute_descriptions();
-    };
     struct UniformBufferObject {
         glm::mat4 model;
         glm::mat4 view;
         glm::mat4 proj;
     };
     
-    const std::vector<Vertex> vertices_ = {
+    const std::vector<ModelManager::Vertex> vertices_ = {
         {{-0.5f, -0.5f, 0.5f}, {1.0f, 0.0f, 0.0f}},
         {{0.5f, -0.5f, 0.5f}, {0.0f, 1.0f, 0.0f}},
         {{0.5f, 0.5f, 0.5f}, {0.0f, 0.0f, 1.0f}},
@@ -117,13 +103,8 @@ class UwURenderEngine : public RenderEngineBase
     static QueueFamilyIndices find_queue_family_indices(VkPhysicalDevice physical_device, VkSurfaceKHR surface);
     static VkSurfaceFormatKHR choose_surface_format(const std::vector<VkSurfaceFormatKHR>& surface_formats);
     static VkPresentModeKHR choose_present_mode(const std::vector<VkPresentModeKHR>& present_modes, VkPresentModeKHR desired_present_mode);
-    static VkExtent2D choose_extent(const VkSurfaceCapabilitiesKHR& capabilities, GLFWwindow* window);
     VkShaderModule create_shader_module(const std::string& code) const;
-    void create_buffer(VkDeviceSize size, VkBufferUsageFlags usage,
+    static std::vector<uint32_t> get_unique_family_indices(const QueueFamilyIndices& indices);
-        VkBuffer* buffer, const std::vector<uint32_t>& queue_families);
-    void allocate_memory(VkBuffer buffer, VkMemoryPropertyFlags property, VkDeviceMemory* device_memory);
-    uint32_t find_memory_type(uint32_t typeFilter, VkMemoryPropertyFlags properties) const;
-    std::vector<uint32_t> get_unique_family_indices(const QueueFamilyIndices& indices);
     
     void create_instance();
     void create_surface();
@@ -144,7 +125,6 @@ class UwURenderEngine : public RenderEngineBase
     void allocate_vertex_buffer();
     void allocate_index_buffer();
     
-    void copy_memory(VkBuffer src, VkBuffer dst, VkDeviceSize size);
     void record_command_buffer(VkCommandBuffer command_buffer, uint32_t image_index) const;
     void update_uniform_buffer(uint32_t current_frame);
     void draw_frame();