feat: 搭建 Vulkan 1.4 渲染器骨架,绘制旋转 3D 立方体

使用 Vulkan 1.4 现代路径初始化引擎骨架:
- 用 Shader Object (VK_EXT_shader_object) 替代传统 VkPipeline
- 用 Dynamic Rendering 替代 RenderPass/Framebuffer
- 用 Synchronization2 管理 barrier

核心模块:
- Window:GLFW 封装,GLFW_NO_API 模式,兼容 Wayland
- Log:spdlog 封装
- Types:u32/u64/f32 类型别名

Vulkan 后端:
- Device:Instance、PhysicalDevice、LogicalDevice、Queue 及 feature 查询
- Swapchain:Image、ImageView、DepthBuffer、Recreate
- ShaderManager:SPIR-V 加载与 ShaderEXT 创建
- CommandManager:CommandPool 与主 CommandBuffer
- SyncManager:per-frame Fence 与 ImageAvailable semaphore,per-image RenderFinished semaphore,2 frames in flight
- MemoryAllocator:内存子分配器,256MB block,persistent mapping
- Buffer:VertexBuffer、IndexBuffer、UniformBuffer 封装
- UniformBuffer:每帧上传 MVP 矩阵
- DescriptorManager:DescriptorSetLayout、DescriptorPool、DescriptorSet 及更新

Renderer:
- 协调所有子系统
- 绘制每面不同颜色的旋转 3D 立方体
- 启用 depth test,MVP 矩阵由 GLM 计算

构建:
- CMake 组织 Engine 静态库与 App 可执行文件
- glfw、glm、spdlog 通过 add_subdirectory 引入
This commit is contained in:
2026-09-20 23:09:40 +08:00
parent 706ee2301e
commit 381b7c0aa6
38 changed files with 2423 additions and 12 deletions
+9
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[submodule "Lib/glfw"]
path = Lib/glfw
url = https://github.com/glfw/glfw.git
[submodule "Lib/glm"]
path = Lib/glm
url = https://github.com/g-truc/glm.git
[submodule "Lib/spdlog"]
path = Lib/spdlog
url = https://github.com/gabime/spdlog.git
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add_executable(HelloVulkan main.cpp)
target_link_libraries(HelloVulkan PRIVATE Engine)
###### 自动构建shader ######
find_program(GLSLC glslc REQUIRED)
set(SHADER_SRC_DIR ${CMAKE_SOURCE_DIR}/shaders)
set(SHADER_OUT_DIR ${CMAKE_BINARY_DIR}/bin/shaders)
# 定义一个 shader 编译目标:<name>(glsl_file stage)
function(auto_compile_shader glsl_file stage)
# string(REGEX REPLACE "\\.glsl$" "" base "${glsl_file}")
set(spv ${SHADER_OUT_DIR}/${glsl_file}.spv)
add_custom_command(
OUTPUT ${spv}
COMMAND ${GLSLC} -fshader-stage=${stage} -o ${spv} ${SHADER_SRC_DIR}/${glsl_file}
DEPENDS ${SHADER_SRC_DIR}/${glsl_file}
VERBATIM)
set_source_files_properties(${spv} PROPERTIES GENERATED TRUE)
target_sources(${PROJECT_NAME} PRIVATE ${spv})
set_property(DIRECTORY APPEND PROPERTY HZ_SHADER_SPV_FILES ${spv})
endfunction()
auto_compile_shader(simple_shader.vert vert)
auto_compile_shader(simple_shader.frag frag)
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Core/Window.h>
#include <Engine/Renderer/Renderer.h>
#include <Engine/Core/Log.h>
int main()
{
try {
Engine::Window window("HelloVulkan", 1280, 720);
Engine::Renderer renderer(window);
while (!window.ShouldClose()) {
window.PollEvents();
renderer.Render();
}
}
catch (const std::exception& e) {
ENGINE_FATAL("Exception: {}", e.what());
return -1;
}
return 0;
}
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cmake_minimum_required(VERSION 4.3) cmake_minimum_required(VERSION 3.20)
project(HelloVulkan) project(HelloVulkan CXX)
file(GLOB_RECURSE SOURCE_CODE src/**.cpp)
set(CMAKE_CXX_STANDARD 20) set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
# 第三方库
add_subdirectory(Lib/glfw)
add_subdirectory(Lib/glm)
add_subdirectory(Lib/spdlog)
# Vulkan
find_package(Vulkan REQUIRED)
# Engine 和 App
add_subdirectory(Engine)
add_subdirectory(App)
add_executable(${PROJECT_NAME} ${SOURCE_CODE})
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file(GLOB_RECURSE ENGINE_SOURCES
src/*.cpp
)
# 编译成静态库
add_library(Engine STATIC ${ENGINE_SOURCES})
target_include_directories(Engine PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/include
)
# 链接第三方库
target_link_libraries(Engine PUBLIC
glfw
Vulkan::Vulkan
spdlog::spdlog
)
target_compile_definitions(Engine PRIVATE VULKAN_HPP_DISPATCH_LOADER_DYNAMIC=1)
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_LOG_H
#define HELLOVULKAN_LOG_H
#pragma once
#include <spdlog/spdlog.h>
namespace Engine {
#define ENGINE_TRACE(...) ::spdlog::trace(__VA_ARGS__)
#define ENGINE_INFO(...) ::spdlog::info(__VA_ARGS__)
#define ENGINE_WARN(...) ::spdlog::warn(__VA_ARGS__)
#define ENGINE_ERROR(...) ::spdlog::error(__VA_ARGS__)
#define ENGINE_FATAL(...) ::spdlog::critical(__VA_ARGS__)
} // namespace Engine
#endif //HELLOVULKAN_LOG_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_TYPES_H
#define HELLOVULKAN_TYPES_H
#include <cstdint>
#include <memory>
#include <string>
namespace Engine {
using u8 = uint8_t;
using u16 = uint16_t;
using u32 = uint32_t;
using u64 = uint64_t;
using i8 = int8_t;
using i16 = int16_t;
using i32 = int32_t;
using i64 = int64_t;
using f32 = float;
using f64 = double;
template<typename T>
using Scope = std::unique_ptr<T>;
template<typename T>
using Ref = std::shared_ptr<T>;
template<typename T, typename... Args>
Scope<T> CreateScope(Args&&... args) {
return std::make_unique<T>(std::forward<Args>(args)...);
}
template<typename T, typename... Args>
Ref<T> CreateRef(Args&&... args) {
return std::make_shared<T>(std::forward<Args>(args)...);
}
} // namespace Engine
#endif //HELLOVULKAN_TYPES_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_WINDOW_H
#define HELLOVULKAN_WINDOW_H
#include <vulkan/vulkan.hpp>
#include <string>
#include <functional>
#include "Types.h"
struct GLFWwindow;
namespace Engine {
class Window {
public:
Window(const std::string& title, u32 width, u32 height);
~Window();
Window(const Window&) = delete;
Window& operator=(const Window&) = delete;
bool ShouldClose() const;
void PollEvents();
vk::SurfaceKHR CreateSurface(vk::Instance instance);
void DestroySurface(vk::Instance instance, vk::SurfaceKHR surface);
u32 GetWidth() const { return m_Width; }
u32 GetHeight() const { return m_Height; }
GLFWwindow* GetHandle() const { return m_Window; }
// 需要的 Vulkan 扩展(GLFW 提供)
static std::vector<const char*> GetRequiredExtensions();
private:
GLFWwindow* m_Window = nullptr;
u32 m_Width;
u32 m_Height;
std::string m_Title;
};
} // namespace Engine
#endif //HELLOVULKAN_WINDOW_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_RENDERER_H
#define HELLOVULKAN_RENDERER_H
#pragma once
#include <Engine/Core/Types.h>
#include <vulkan/vulkan.hpp>
#include <chrono>
namespace Engine {
class Window;
class Device;
class MemoryAllocator;
class DescriptorManager;
class ShaderManager;
class Swapchain;
class CommandManager;
class SyncManager;
class Buffer;
class UniformBuffer;
class Renderer {
public:
Renderer(Window& window);
~Renderer();
Renderer(const Renderer&) = delete;
Renderer& operator=(const Renderer&) = delete;
void Render();
private:
void RecordCommands(vk::CommandBuffer cmd, u32 imageIndex);
void TransitionImageLayout(vk::CommandBuffer cmd, vk::Image image,
vk::ImageLayout oldLayout, vk::ImageLayout newLayout);
Window& m_Window;
Scope<Device> m_Device;
Scope<MemoryAllocator> m_Allocator;
Scope<DescriptorManager> m_DescriptorManager;
Scope<ShaderManager> m_ShaderManager;
Scope<Swapchain> m_Swapchain;
Scope<SyncManager> m_SyncManager;
Scope<CommandManager> m_CommandManager;
Scope<Buffer> m_VertexBuffer;
Scope<Buffer> m_IndexBuffer;
Scope<UniformBuffer> m_UniformBuffer;
vk::DescriptorSetLayout m_DescriptorSetLayout;
vk::PipelineLayout m_PipelineLayout;
vk::DescriptorSet m_DescriptorSet;
vk::ShaderEXT m_VertShader;
vk::ShaderEXT m_FragShader;
vk::Extent2D m_Extent;
vk::Format m_Format;
static constexpr u32 kMaxFramesInFlight = 2;
u32 m_CurrentFrame = 0;
std::chrono::steady_clock::time_point m_StartTime;
};
} // namespace Engine
#endif //HELLOVULKAN_RENDERER_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_BUFFER_H
#define HELLOVULKAN_BUFFER_H
#include <vulkan/vulkan.hpp>
namespace Engine {
class Device;
class MemoryAllocator;
class Buffer {
public:
Buffer(Device& device, MemoryAllocator& allocator,
vk::DeviceSize size, vk::BufferUsageFlags usage,
vk::MemoryPropertyFlags memProps);
~Buffer();
Buffer(const Buffer&) = delete;
Buffer& operator=(const Buffer&) = delete;
vk::Buffer Get() const { return m_Buffer; }
vk::DeviceSize GetSize() const { return m_Size; }
// 只有 HOST_VISIBLE 的 Buffer 能调
void Upload(const void* data, vk::DeviceSize size, vk::DeviceSize offset = 0);
private:
Device& m_Device;
vk::Buffer m_Buffer;
vk::DeviceSize m_Size;
vk::DeviceMemory m_Memory;
vk::DeviceSize m_Offset;
vk::DeviceSize m_BlockSize; // 所属内存块的总大小
void* m_MappedPtr = nullptr;
};
} // namespace Engine
#endif //HELLOVULKAN_BUFFER_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_COMMANDMANAGER_H
#define HELLOVULKAN_COMMANDMANAGER_H
#include <vulkan/vulkan.hpp>
namespace Engine {
class Device;
class CommandManager {
public:
CommandManager(Device& device);
~CommandManager();
CommandManager(const CommandManager&) = delete;
CommandManager& operator=(const CommandManager&) = delete;
// 开始录制
vk::CommandBuffer BeginFrame();
// 结束录制
void EndFrame();
vk::CommandBuffer GetBuffer() const { return m_Buffer; }
private:
Device& m_Device;
vk::CommandPool m_Pool;
vk::CommandBuffer m_Buffer;
};
} // namespace Engine
#endif //HELLOVULKAN_COMMANDMANAGER_H
@@ -0,0 +1,46 @@
//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_DESCRIPTORMANAGER_H
#define HELLOVULKAN_DESCRIPTORMANAGER_H
#include <Engine/Core/Types.h>
#include <vulkan/vulkan.hpp>
namespace Engine {
class Device;
class DescriptorManager {
public:
DescriptorManager(Device& device);
~DescriptorManager();
DescriptorManager(const DescriptorManager&) = delete;
DescriptorManager& operator=(const DescriptorManager&) = delete;
// 创建一个描述符布局:一个 binding,类型是 Uniform Buffer
vk::DescriptorSetLayout CreateUniformBufferLayout(u32 binding);
vk::PipelineLayout CreatePipelineLayout(vk::DescriptorSetLayout layout);
// 根据布局分配一个描述符集
vk::DescriptorSet AllocateDescriptorSet(vk::DescriptorSetLayout layout);
// 把 Buffer 绑到描述符集的某个 binding
void UpdateUniformBuffer(vk::DescriptorSet set, u32 binding,
vk::Buffer buffer, u64 size);
private:
Device& m_Device;
vk::DescriptorPool m_Pool;
static constexpr u32 kMaxSets = 1000;
};
} // namespace Engine
#endif //HELLOVULKAN_DESCRIPTORMANAGER_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_DEVICE_H
#define HELLOVULKAN_DEVICE_H
#include <vulkan/vulkan.hpp>
#include <vector>
namespace Engine {
class Window;
class Device {
public:
Device(Window& window);
~Device();
Device(const Device&) = delete;
Device& operator=(const Device&) = delete;
vk::Instance GetInstance() const { return m_Instance; }
vk::PhysicalDevice GetPhysicalDevice() const { return m_PhysicalDevice; }
vk::Device GetDevice() const { return m_Device; }
vk::SurfaceKHR GetSurface() const { return m_Surface; }
vk::Queue GetGraphicsQueue() const { return m_GraphicsQueue; }
vk::Queue GetPresentQueue() const { return m_PresentQueue; }
uint32_t GetGraphicsFamily() const { return m_GraphicsFamily; }
uint32_t GetPresentFamily() const { return m_PresentFamily; }
uint32_t FindMemoryType(uint32_t typeFilter, vk::MemoryPropertyFlags props) const;
// 1.4 特性查询
bool IsDynamicRenderingSupported() const { return m_DynamicRenderingSupported; }
bool IsShaderObjectSupported() const { return m_ShaderObjectSupported; }
bool IsSynchronization2Supported() const { return m_Synchronization2Supported; }
private:
void CreateInstance();
void SetupDebugMessenger();
void CreateSurface(Window& window);
void PickPhysicalDevice();
void CreateLogicalDevice();
bool IsDeviceSuitable(vk::PhysicalDevice device);
bool CheckValidationLayerSupport();
vk::Instance m_Instance;
vk::DebugUtilsMessengerEXT m_DebugMessenger;
vk::SurfaceKHR m_Surface;
vk::PhysicalDevice m_PhysicalDevice;
vk::Device m_Device;
vk::Queue m_GraphicsQueue;
vk::Queue m_PresentQueue;
uint32_t m_GraphicsFamily = 0;
uint32_t m_PresentFamily = 0;
vk::PhysicalDeviceMemoryProperties m_MemoryProperties;
// 1.4 特性标志
bool m_DynamicRenderingSupported = false;
bool m_ShaderObjectSupported = false;
bool m_Synchronization2Supported = false;
std::vector<const char*> m_ValidationLayers = { "VK_LAYER_KHRONOS_validation" };
std::vector<const char*> m_DeviceExtensions = { VK_KHR_SWAPCHAIN_EXTENSION_NAME };
#ifdef NDEBUG
static constexpr bool kEnableValidation = false;
#else
static constexpr bool kEnableValidation = true;
#endif
};
} // namespace Engine
#endif //HELLOVULKAN_DEVICE_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_MEMORYALLOCATOR_H
#define HELLOVULKAN_MEMORYALLOCATOR_H
#include <vulkan/vulkan.hpp>
#include <array>
#include <vector>
namespace Engine {
class Device;
class MemoryAllocator {
public:
MemoryAllocator(Device& device);
~MemoryAllocator();
MemoryAllocator(const MemoryAllocator&) = delete;
MemoryAllocator& operator=(const MemoryAllocator&) = delete;
struct Allocation {
vk::DeviceMemory Memory;
vk::DeviceSize Offset;
vk::DeviceSize Size;
void* MappedPtr; // HOST_VISIBLE 时才有
};
Allocation Allocate(vk::MemoryRequirements reqs, vk::MemoryPropertyFlags props);
private:
struct Block {
vk::DeviceMemory Memory;
vk::DeviceSize Size;
vk::DeviceSize Used;
void* MappedPtr = nullptr;
bool IsMapped = false;
};
Device& m_Device;
std::array<std::vector<Block>, VK_MAX_MEMORY_TYPES> m_Blocks;
vk::DeviceSize m_DefaultBlockSize = 256ull * 1024 * 1024; // 256 MB
};
} // namespace Engine
#endif //HELLOVULKAN_MEMORYALLOCATOR_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_PIPELINE_H
#define HELLOVULKAN_PIPELINE_H
#endif //HELLOVULKAN_PIPELINE_H
@@ -0,0 +1,52 @@
//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_SHADERMANAGER_H
#define HELLOVULKAN_SHADERMANAGER_H
#pragma once
#include <Engine/Core/Types.h>
#include <vulkan/vulkan.hpp>
#include <string>
#include <vector>
namespace Engine {
class Device;
struct ShaderObject {
vk::ShaderEXT Handle;
vk::ShaderStageFlagBits Stage;
};
class ShaderManager {
public:
ShaderManager(Device& device);
~ShaderManager();
ShaderManager(const ShaderManager&) = delete;
ShaderManager& operator=(const ShaderManager&) = delete;
// layout 可选:为 nullptr 时不使用描述符
ShaderObject CreateFromFile(const std::string& spvPath,
vk::ShaderStageFlagBits stage,
vk::DescriptorSetLayout layout = nullptr);
ShaderObject CreateFromSPIRV(const std::vector<u32>& spirv,
vk::ShaderStageFlagBits stage,
vk::DescriptorSetLayout layout = nullptr);
void Destroy(const ShaderObject& shader);
private:
std::vector<u32> ReadSPIRV(const std::string& path);
Device& m_Device;
};
} // namespace Engine
#endif //HELLOVULKAN_SHADERMANAGER_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_SWAPCHAIN_H
#define HELLOVULKAN_SWAPCHAIN_H
#include <vulkan/vulkan.hpp>
#include <vector>
#include "MemoryAllocator.h"
#include "Engine/Core/Types.h"
namespace Engine
{
class Device;
class Window;
class Swapchain
{
public:
Swapchain(Device& device, MemoryAllocator& allocator, Window& window);
~Swapchain();
Swapchain(const Swapchain&) = delete;
Swapchain& operator=(const Swapchain&) = delete;
vk::SwapchainKHR Get() const { return m_Swapchain; }
vk::Format GetFormat() const { return m_Format; }
vk::Extent2D GetExtent() const { return m_Extent; }
uint32_t GetImageCount() const { return static_cast<u32>(m_Images.size()); }
const std::vector<vk::Image>& GetImages() const { return m_Images; }
const std::vector<vk::ImageView>& GetImageViews() const { return m_ImageViews; }
vk::ImageView GetDepthImageView() const { return m_DepthImageView; }
vk::Format GetDepthFormat() const { return m_DepthFormat; }
vk::Image GetDepthImage() const { return m_DepthImage; }
void Recreate(Window& window);
private:
void Create(Window& window);
void Destroy();
vk::SurfaceFormatKHR ChooseSurfaceFormat(const std::vector<vk::SurfaceFormatKHR>& formats);
vk::PresentModeKHR ChoosePresentMode(const std::vector<vk::PresentModeKHR>& modes);
vk::Extent2D ChooseExtent(const vk::SurfaceCapabilitiesKHR& caps, Window& window);
void CreateDepthResources();
void DestroyDepthResources();
vk::Format FindDepthFormat();
Device& m_Device;
vk::SwapchainKHR m_Swapchain;
std::vector<vk::Image> m_Images;
std::vector<vk::ImageView> m_ImageViews;
vk::Image m_DepthImage;
vk::DeviceMemory m_DepthMemory;
vk::ImageView m_DepthImageView;
vk::Format m_DepthFormat;
MemoryAllocator& m_Allocator;
vk::Format m_Format;
vk::Extent2D m_Extent;
};
} // namespace Engine
#endif //HELLOVULKAN_SWAPCHAIN_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_SYNCMANAGER_H
#define HELLOVULKAN_SYNCMANAGER_H
#include <vulkan/vulkan.hpp>
#include <vector>
#include "Engine/Core/Types.h"
namespace Engine {
class Device;
class SyncManager {
public:
SyncManager(Device& device, u32 maxFramesInFlight, u32 imageCount);
~SyncManager();
SyncManager(const SyncManager&) = delete;
SyncManager& operator=(const SyncManager&) = delete;
// 每帧一个:acquire 完成时 signal
vk::Semaphore GetImageAvailable(u32 imageIndex) const { return m_ImageAvailable[imageIndex]; }
// 每张交换链 image 一个:渲染完成时 signal
vk::Semaphore GetRenderFinished(u32 imageIndex) const {
return m_RenderFinished[imageIndex];
}
// 每帧一个:GPU 渲染完成时 signal
vk::Fence GetFrameFence(u32 frameIndex) const { return m_FrameFences[frameIndex]; }
// 等待并重置这一帧的 Fence
void WaitFence(u32 frameIndex); // 只等,不 reset
void ResetFence(u32 frameIndex); // 只 reset
private:
Device& m_Device;
std::vector<vk::Semaphore> m_ImageAvailable;
std::vector<vk::Semaphore> m_RenderFinished;
std::vector<vk::Fence> m_FrameFences;
};
} // namespace Engine
#endif //HELLOVULKAN_SYNCMANAGER_H
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//
// Created by atdunbg on 2026/9/20.
//
#ifndef HELLOVULKAN_UNIFORMBUFFER_H
#define HELLOVULKAN_UNIFORMBUFFER_H
#include <Engine/Core/Types.h>
#include <Engine/Vulkan/Buffer.h>
#include <vulkan/vulkan.hpp>
namespace Engine {
class Device;
class MemoryAllocator;
class UniformBuffer {
public:
UniformBuffer(Device& device, MemoryAllocator& allocator, u64 size);
~UniformBuffer();
UniformBuffer(const UniformBuffer&) = delete;
UniformBuffer& operator=(const UniformBuffer&) = delete;
vk::Buffer Get() const { return m_Buffer->Get(); }
u64 GetSize() const { return m_Size; }
// 每帧更新数据
void Update(const void* data, u64 size);
private:
Scope<Buffer> m_Buffer;
u64 m_Size;
};
} // namespace Engine
#endif //HELLOVULKAN_UNIFORMBUFFER_H
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//
// Created by atdunbg on 2026/9/20.
//
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Core/Window.h>
#include <Engine/Core/Log.h>
#include <GLFW/glfw3.h>
namespace Engine {
Window::Window(const std::string& title, u32 width, u32 height)
: m_Width(width), m_Height(height), m_Title(title)
{
if (!glfwInit()) {
ENGINE_FATAL("glfwInit failed");
return;
}
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
m_Window = glfwCreateWindow(width, height, title.c_str(), nullptr, nullptr);
if (!m_Window) {
ENGINE_FATAL("glfwCreateWindow failed");
glfwTerminate();
return;
}
ENGINE_INFO("Window created: {} ({}x{})", title, width, height);
}
Window::~Window()
{
if (m_Window) {
glfwDestroyWindow(m_Window);
}
glfwTerminate();
}
bool Window::ShouldClose() const
{
return glfwWindowShouldClose(m_Window);
}
void Window::PollEvents()
{
glfwPollEvents();
}
vk::SurfaceKHR Window::CreateSurface(vk::Instance instance)
{
VkSurfaceKHR surface;
if (glfwCreateWindowSurface(instance, m_Window, nullptr, &surface) != VK_SUCCESS) {
ENGINE_FATAL("glfwCreateWindowSurface failed");
return nullptr;
}
return surface;
}
void Window::DestroySurface(vk::Instance instance, vk::SurfaceKHR surface)
{
instance.destroySurfaceKHR(surface);
}
std::vector<const char*> Window::GetRequiredExtensions()
{
u32 count = 0;
const char** extensions = glfwGetRequiredInstanceExtensions(&count);
return std::vector<const char*>(extensions, extensions + count);
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Renderer/Renderer.h>
#include <Engine/Vulkan/Device.h>
#include <Engine/Vulkan/MemoryAllocator.h>
#include <Engine/Vulkan/DescriptorManager.h>
#include <Engine/Vulkan/ShaderManager.h>
#include <Engine/Vulkan/Swapchain.h>
#include <Engine/Vulkan/CommandManager.h>
#include <Engine/Vulkan/SyncManager.h>
#include <Engine/Vulkan/Buffer.h>
#include <Engine/Vulkan/UniformBuffer.h>
#include <Engine/Core/Window.h>
#include <Engine/Core/Log.h>
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <array>
#include <limits>
#include <vector>
namespace Engine
{
// 顶点结构:位置 + 颜色
struct Vertex
{
float position[3];
float color[3];
};
// Uniform Buffer 结构
struct UniformBufferObject
{
glm::mat4 mvp;
};
Renderer::Renderer(Window& window)
: m_Window(window)
{
// 1. Device
m_Device = CreateScope<Device>(window);
// 2. MemoryAllocator
m_Allocator = CreateScope<MemoryAllocator>(*m_Device);
// 3. DescriptorManager
m_DescriptorManager = CreateScope<DescriptorManager>(*m_Device);
// 4. DescriptorSetLayout(一个 uniform buffer binding)
m_DescriptorSetLayout = m_DescriptorManager->CreateUniformBufferLayout(0);
// 5. PipelineLayout(shader 绑定描述符时用)
m_PipelineLayout = m_DescriptorManager->CreatePipelineLayout(m_DescriptorSetLayout);
// 6. ShaderManager,编译 shader 时传入描述符布局
m_ShaderManager = CreateScope<ShaderManager>(*m_Device);
std::string shaderDir = "shaders/";
auto vert = m_ShaderManager->CreateFromFile(
shaderDir + "simple_shader.vert.spv",
vk::ShaderStageFlagBits::eVertex,
m_DescriptorSetLayout);
auto frag = m_ShaderManager->CreateFromFile(
shaderDir + "simple_shader.frag.spv",
vk::ShaderStageFlagBits::eFragment,
m_DescriptorSetLayout);
m_VertShader = vert.Handle;
m_FragShader = frag.Handle;
if (!m_VertShader || !m_FragShader)
{
ENGINE_FATAL("Failed to create shader objects");
}
// 7. Swapchain
m_Swapchain = CreateScope<Swapchain>(*m_Device, *m_Allocator, window);
m_Extent = m_Swapchain->GetExtent();
m_Format = m_Swapchain->GetFormat();
// 8. SyncManager
m_SyncManager = CreateScope<SyncManager>(*m_Device, kMaxFramesInFlight, m_Swapchain->GetImageCount());
// 9. CommandManager
m_CommandManager = CreateScope<CommandManager>(*m_Device);
// 10. 顶点缓冲
std::vector<Vertex> vertices = {
// 前面 (-Z)
{{-0.5f, -0.5f, 0.5f}, {1.0f, 0.0f, 0.0f}},
{{ 0.5f, -0.5f, 0.5f}, {1.0f, 0.0f, 0.0f}},
{{ 0.5f, 0.5f, 0.5f}, {1.0f, 0.0f, 0.0f}},
{{-0.5f, 0.5f, 0.5f}, {1.0f, 0.0f, 0.0f}},
// 后面 (+Z)
{{-0.5f, -0.5f, -0.5f}, {0.0f, 1.0f, 0.0f}},
{{-0.5f, 0.5f, -0.5f}, {0.0f, 1.0f, 0.0f}},
{{ 0.5f, 0.5f, -0.5f}, {0.0f, 1.0f, 0.0f}},
{{ 0.5f, -0.5f, -0.5f}, {0.0f, 1.0f, 0.0f}},
// 左面 (-X)
{{-0.5f, -0.5f, -0.5f}, {0.0f, 0.0f, 1.0f}},
{{-0.5f, -0.5f, 0.5f}, {0.0f, 0.0f, 1.0f}},
{{-0.5f, 0.5f, 0.5f}, {0.0f, 0.0f, 1.0f}},
{{-0.5f, 0.5f, -0.5f}, {0.0f, 0.0f, 1.0f}},
// 右面 (+X)
{{ 0.5f, -0.5f, 0.5f}, {1.0f, 1.0f, 0.0f}},
{{ 0.5f, -0.5f, -0.5f}, {1.0f, 1.0f, 0.0f}},
{{ 0.5f, 0.5f, -0.5f}, {1.0f, 1.0f, 0.0f}},
{{ 0.5f, 0.5f, 0.5f}, {1.0f, 1.0f, 0.0f}},
// 上面 (+Y)
{{-0.5f, 0.5f, 0.5f}, {1.0f, 0.0f, 1.0f}},
{{ 0.5f, 0.5f, 0.5f}, {1.0f, 0.0f, 1.0f}},
{{ 0.5f, 0.5f, -0.5f}, {1.0f, 0.0f, 1.0f}},
{{-0.5f, 0.5f, -0.5f}, {1.0f, 0.0f, 1.0f}},
// 下面 (-Y)
{{-0.5f, -0.5f, -0.5f}, {0.0f, 1.0f, 1.0f}},
{{ 0.5f, -0.5f, -0.5f}, {0.0f, 1.0f, 1.0f}},
{{ 0.5f, -0.5f, 0.5f}, {0.0f, 1.0f, 1.0f}},
{{-0.5f, -0.5f, 0.5f}, {0.0f, 1.0f, 1.0f}},
};
u64 bufferSize = sizeof(Vertex) * vertices.size();
m_VertexBuffer = CreateScope<Buffer>(
*m_Device, *m_Allocator,
bufferSize,
vk::BufferUsageFlagBits::eVertexBuffer,
vk::MemoryPropertyFlagBits::eHostVisible |
vk::MemoryPropertyFlagBits::eHostCoherent);
m_VertexBuffer->Upload(vertices.data(), bufferSize);
// 索引缓冲:两个三角形组成一个四边形
std::vector<u32> indices = {
0, 1, 2, 2, 3, 0, // 前面
4, 5, 6, 6, 7, 4, // 后面
8, 9,10,10,11, 8, // 左面
12,13,14,14,15,12, // 右面
16,17,18,18,19,16, // 上面
20,21,22,22,23,20, // 下面
};
u64 indexBufferSize = sizeof(u32) * indices.size();
m_IndexBuffer = CreateScope<Buffer>(
*m_Device, *m_Allocator,
indexBufferSize,
vk::BufferUsageFlagBits::eIndexBuffer,
vk::MemoryPropertyFlagBits::eHostVisible |
vk::MemoryPropertyFlagBits::eHostCoherent);
m_IndexBuffer->Upload(indices.data(), indexBufferSize);
// 11. Uniform Buffer
m_UniformBuffer = CreateScope<UniformBuffer>(
*m_Device, *m_Allocator, sizeof(UniformBufferObject));
// 12. DescriptorSet + 绑定 UniformBuffer
m_DescriptorSet = m_DescriptorManager->AllocateDescriptorSet(m_DescriptorSetLayout);
m_DescriptorManager->UpdateUniformBuffer(
m_DescriptorSet, 0, m_UniformBuffer->Get(), m_UniformBuffer->GetSize());
// 13. Debug: 记录开始时间,用于旋转
m_StartTime = std::chrono::steady_clock::now();
ENGINE_INFO("Renderer initialized");
}
Renderer::~Renderer()
{
m_Device->GetDevice().waitIdle();
if (m_VertShader)
{
m_Device->GetDevice().destroyShaderEXT(m_VertShader);
}
if (m_FragShader)
{
m_Device->GetDevice().destroyShaderEXT(m_FragShader);
}
m_Device->GetDevice().destroyPipelineLayout(m_PipelineLayout);
m_Device->GetDevice().destroyDescriptorSetLayout(m_DescriptorSetLayout);
}
void Renderer::Render()
{
u32 frameIndex = m_CurrentFrame;
const auto& vkDevice = m_Device->GetDevice();
// 1. 更新 MVP 矩阵
auto currentTime = std::chrono::steady_clock::now();
float time = std::chrono::duration<float, std::chrono::seconds::period>(
currentTime - m_StartTime).count();
auto model = glm::rotate(glm::mat4(1.0f),
time * glm::radians(90.0f),
glm::vec3(1.0f, 1.0f, 1.0f));
auto view = glm::lookAt(glm::vec3(0.0f, 0.0f, 2.0f),
glm::vec3(0.0f, 0.0f, 0.0f),
glm::vec3(0.0f, 1.0f, 0.0f));
float aspect = static_cast<float>(m_Extent.width) /
static_cast<float>(m_Extent.height);
auto proj = glm::perspective(glm::radians(45.0f), aspect, 0.1f, 10.0f);
proj[1][1] *= -1.0f; // Vulkan Y 翻转
UniformBufferObject ubo{};
ubo.mvp = proj * view * model;
m_UniformBuffer->Update(&ubo, sizeof(ubo));
// 等待这一帧上一次完成
m_SyncManager->WaitFence(frameIndex);
// 2. 获取交换链 image
u32 imageIndex = 0;
try
{
const auto result = vkDevice.acquireNextImageKHR(
m_Swapchain->Get(),
std::numeric_limits<u64>::max(),
m_SyncManager->GetImageAvailable(frameIndex));
if (result.result == vk::Result::eErrorOutOfDateKHR)
{
m_Swapchain->Recreate(m_Window);
return; // ← fence 没被 reset,下帧 wait 立即返回
}
imageIndex = result.value;
}
catch (const vk::OutOfDateKHRError&)
{
m_Swapchain->Recreate(m_Window);
return;
}
// 3. acquire 成功, reset fence
m_SyncManager->ResetFence(frameIndex);
// 4. 录制命令
auto cmd = m_CommandManager->BeginFrame();
TransitionImageLayout(cmd, m_Swapchain->GetImages()[imageIndex],
vk::ImageLayout::eUndefined,
vk::ImageLayout::eColorAttachmentOptimal);
// 深度转换
vk::ImageMemoryBarrier2 depthBarrier;
depthBarrier.setSrcStageMask(vk::PipelineStageFlagBits2::eEarlyFragmentTests)
.setSrcAccessMask(vk::AccessFlagBits2::eDepthStencilAttachmentWrite)
.setDstStageMask(vk::PipelineStageFlagBits2::eEarlyFragmentTests)
.setDstAccessMask(vk::AccessFlagBits2::eDepthStencilAttachmentWrite)
.setOldLayout(vk::ImageLayout::eUndefined)
.setNewLayout(vk::ImageLayout::eDepthAttachmentOptimal)
.setImage(m_Swapchain->GetDepthImage())
.setSubresourceRange({
vk::ImageAspectFlagBits::eDepth,
0, 1, 0, 1
});
vk::DependencyInfo depthDep;
depthDep.setImageMemoryBarriers(depthBarrier);
cmd.pipelineBarrier2(depthDep);
RecordCommands(cmd, imageIndex);
TransitionImageLayout(cmd, m_Swapchain->GetImages()[imageIndex],
vk::ImageLayout::eColorAttachmentOptimal,
vk::ImageLayout::ePresentSrcKHR);
m_CommandManager->EndFrame();
// 5. 提交
std::array<vk::PipelineStageFlags, 1> waitStages = {
vk::PipelineStageFlagBits::eColorAttachmentOutput
};
std::array<vk::Semaphore, 1> waitSemaphores = {
m_SyncManager->GetImageAvailable(frameIndex)
};
std::array<vk::Semaphore, 1> signalSemaphores = {
m_SyncManager->GetRenderFinished(imageIndex)
};
vk::SubmitInfo submitInfo;
submitInfo.setCommandBuffers(cmd)
.setWaitSemaphores(waitSemaphores)
.setWaitDstStageMask(waitStages)
.setSignalSemaphores(signalSemaphores);
m_Device->GetGraphicsQueue().submit(submitInfo, m_SyncManager->GetFrameFence(frameIndex));
// 6. 呈现
std::array<vk::SwapchainKHR, 1> swapchains = {m_Swapchain->Get()};
std::array<vk::Semaphore, 1> presentWait = {
m_SyncManager->GetRenderFinished(imageIndex)
};
vk::PresentInfoKHR presentInfo;
presentInfo.setImageIndices(imageIndex)
.setSwapchains(swapchains)
.setWaitSemaphores(presentWait);
try
{
auto result = m_Device->GetPresentQueue().presentKHR(presentInfo);
if (result == vk::Result::eSuboptimalKHR)
{
m_Swapchain->Recreate(m_Window);
}
}
catch (const vk::OutOfDateKHRError&)
{
m_Swapchain->Recreate(m_Window);
}
}
void Renderer::RecordCommands(vk::CommandBuffer cmd, u32 imageIndex)
{
vk::ClearValue clearValue;
clearValue.color = vk::ClearColorValue(std::array<float, 4>{0.1f, 0.1f, 0.1f, 1.0f});
// 颜色附件
vk::RenderingAttachmentInfo colorAttachment;
colorAttachment.setImageView(m_Swapchain->GetImageViews()[imageIndex])
.setImageLayout(vk::ImageLayout::eColorAttachmentOptimal)
.setLoadOp(vk::AttachmentLoadOp::eClear)
.setStoreOp(vk::AttachmentStoreOp::eStore)
.setClearValue(clearValue);
// 深度附件
vk::RenderingAttachmentInfo depthAttachment;
depthAttachment.setImageView(m_Swapchain->GetDepthImageView())
.setImageLayout(vk::ImageLayout::eDepthAttachmentOptimal)
.setLoadOp(vk::AttachmentLoadOp::eClear)
.setStoreOp(vk::AttachmentStoreOp::eDontCare)
.setClearValue(vk::ClearValue(vk::ClearDepthStencilValue(1.0f, 0)));
vk::RenderingInfo renderingInfo;
renderingInfo.setRenderArea({{0, 0}, m_Extent})
.setLayerCount(1)
.setColorAttachments(colorAttachment)
.setPDepthAttachment(&depthAttachment);
cmd.beginRendering(renderingInfo);
// 绑定着色器
std::array<vk::ShaderStageFlagBits, 2> stages = {
vk::ShaderStageFlagBits::eVertex,
vk::ShaderStageFlagBits::eFragment
};
std::array<vk::ShaderEXT, 2> shaders = {m_VertShader, m_FragShader};
cmd.bindShadersEXT(stages, shaders);
// 绑定描述符集
cmd.bindDescriptorSets(vk::PipelineBindPoint::eGraphics,
m_PipelineLayout, 0,
m_DescriptorSet, {});
// ===== 动态状态 =====
cmd.setRasterizerDiscardEnable(VK_FALSE);
cmd.setDepthTestEnable(VK_TRUE);
cmd.setDepthWriteEnable(VK_TRUE);
cmd.setDepthCompareOp(vk::CompareOp::eLess);
cmd.setDepthBoundsTestEnable(VK_FALSE);
cmd.setStencilTestEnable(VK_FALSE);
cmd.setDepthBiasEnable(VK_FALSE);
cmd.setPolygonModeEXT(vk::PolygonMode::eFill);
cmd.setCullMode(vk::CullModeFlagBits::eNone);
cmd.setFrontFace(vk::FrontFace::eCounterClockwise);
cmd.setPrimitiveTopology(vk::PrimitiveTopology::eTriangleList);
cmd.setPrimitiveRestartEnable(VK_FALSE);
// 顶点输入
vk::VertexInputBindingDescription2EXT binding;
binding.setBinding(0)
.setStride(sizeof(f32) * 6)
.setInputRate(vk::VertexInputRate::eVertex)
.setDivisor(1);
std::array<vk::VertexInputAttributeDescription2EXT, 2> attributes;
attributes[0].setLocation(0)
.setBinding(0)
.setFormat(vk::Format::eR32G32B32Sfloat)
.setOffset(0);
attributes[1].setLocation(1)
.setBinding(0)
.setFormat(vk::Format::eR32G32B32Sfloat)
.setOffset(sizeof(f32) * 3);
cmd.setVertexInputEXT(binding, attributes);
cmd.setRasterizationSamplesEXT(vk::SampleCountFlagBits::e1);
vk::SampleMask sampleMask = 0xFFFFFFFF;
cmd.setSampleMaskEXT(vk::SampleCountFlagBits::e1, sampleMask);
cmd.setAlphaToCoverageEnableEXT(VK_FALSE);
cmd.setAlphaToOneEnableEXT(VK_FALSE);
vk::Viewport viewport(0.0f, 0.0f,
static_cast<float>(m_Extent.width),
static_cast<float>(m_Extent.height),
0.0f, 1.0f);
cmd.setViewportWithCount(viewport);
vk::Rect2D scissor({0, 0}, m_Extent);
cmd.setScissorWithCount(scissor);
vk::Bool32 blendEnable = VK_FALSE;
cmd.setColorBlendEnableEXT(0, blendEnable);
vk::ColorBlendEquationEXT blendEquation;
blendEquation.setSrcColorBlendFactor(vk::BlendFactor::eOne)
.setDstColorBlendFactor(vk::BlendFactor::eZero)
.setColorBlendOp(vk::BlendOp::eAdd)
.setSrcAlphaBlendFactor(vk::BlendFactor::eOne)
.setDstAlphaBlendFactor(vk::BlendFactor::eZero)
.setAlphaBlendOp(vk::BlendOp::eAdd);
cmd.setColorBlendEquationEXT(0, blendEquation);
vk::ColorComponentFlags colorWriteMask =
vk::ColorComponentFlagBits::eR |
vk::ColorComponentFlagBits::eG |
vk::ColorComponentFlagBits::eB |
vk::ColorComponentFlagBits::eA;
cmd.setColorWriteMaskEXT(0, colorWriteMask);
// 绑定顶点缓冲并绘制
cmd.bindVertexBuffers(0, m_VertexBuffer->Get(), {0});
cmd.bindIndexBuffer(m_IndexBuffer->Get(), 0, vk::IndexType::eUint32);
// cmd.draw(3, 1, 0, 0);
cmd.drawIndexed(36, 1, 0, 0, 0);
cmd.endRendering();
}
void Renderer::TransitionImageLayout(vk::CommandBuffer cmd, vk::Image image,
vk::ImageLayout oldLayout, vk::ImageLayout newLayout)
{
vk::ImageMemoryBarrier2 barrier;
barrier.setSrcStageMask(vk::PipelineStageFlagBits2::eColorAttachmentOutput)
.setSrcAccessMask(vk::AccessFlagBits2::eColorAttachmentWrite)
.setDstStageMask(vk::PipelineStageFlagBits2::eColorAttachmentOutput)
.setDstAccessMask(vk::AccessFlagBits2::eColorAttachmentWrite)
.setOldLayout(oldLayout)
.setNewLayout(newLayout)
.setImage(image)
.setSubresourceRange({
vk::ImageAspectFlagBits::eColor,
0, 1, 0, 1
});
vk::DependencyInfo dependencyInfo;
dependencyInfo.setImageMemoryBarriers(barrier);
cmd.pipelineBarrier2(dependencyInfo);
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Vulkan/Buffer.h>
#include <Engine/Vulkan/Device.h>
#include <Engine/Vulkan/MemoryAllocator.h>
#include <Engine/Core/Log.h>
#include <cstring>
namespace Engine {
Buffer::Buffer(Device& device, MemoryAllocator& allocator,
vk::DeviceSize size, vk::BufferUsageFlags usage,
vk::MemoryPropertyFlags memProps)
: m_Device(device), m_Size(size)
{
vk::BufferCreateInfo bufferInfo;
bufferInfo.setSize(size)
.setUsage(usage)
.setSharingMode(vk::SharingMode::eExclusive);
m_Buffer = m_Device.GetDevice().createBuffer(bufferInfo);
auto reqs = m_Device.GetDevice().getBufferMemoryRequirements(m_Buffer);
auto alloc = allocator.Allocate(reqs, memProps);
m_Memory = alloc.Memory;
m_Offset = alloc.Offset;
m_MappedPtr = alloc.MappedPtr;
m_Device.GetDevice().bindBufferMemory(m_Buffer, m_Memory, m_Offset);
}
Buffer::~Buffer()
{
m_Device.GetDevice().destroyBuffer(m_Buffer);
}
void Buffer::Upload(const void* data, vk::DeviceSize size, vk::DeviceSize offset)
{
if (!m_MappedPtr) {
ENGINE_ERROR("Buffer::Upload: buffer is not host visible");
return;
}
memcpy(static_cast<char*>(m_MappedPtr) + offset, data, size);
// flush 整个内存块,避免对齐问题
vk::MappedMemoryRange range;
range.setMemory(m_Memory)
.setOffset(0)
.setSize(VK_WHOLE_SIZE);
m_Device.GetDevice().flushMappedMemoryRanges(range);
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Vulkan/CommandManager.h>
#include <Engine/Vulkan/Device.h>
#include <Engine/Core/Log.h>
namespace Engine {
CommandManager::CommandManager(Device& device)
: m_Device(device)
{
// 创建命令池
vk::CommandPoolCreateInfo poolInfo;
poolInfo.setQueueFamilyIndex(m_Device.GetGraphicsFamily())
.setFlags(vk::CommandPoolCreateFlagBits::eResetCommandBuffer);
m_Pool = m_Device.GetDevice().createCommandPool(poolInfo);
// 分配一个命令缓冲
vk::CommandBufferAllocateInfo allocInfo;
allocInfo.setCommandPool(m_Pool)
.setLevel(vk::CommandBufferLevel::ePrimary)
.setCommandBufferCount(1);
m_Buffer = m_Device.GetDevice().allocateCommandBuffers(allocInfo)[0];
ENGINE_INFO("CommandManager created");
}
CommandManager::~CommandManager()
{
m_Device.GetDevice().destroyCommandPool(m_Pool);
}
vk::CommandBuffer CommandManager::BeginFrame()
{
m_Buffer.reset();
vk::CommandBufferBeginInfo beginInfo;
beginInfo.setFlags(vk::CommandBufferUsageFlagBits::eOneTimeSubmit);
m_Buffer.begin(beginInfo);
return m_Buffer;
}
void CommandManager::EndFrame()
{
m_Buffer.end();
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Vulkan/DescriptorManager.h>
#include <Engine/Vulkan/Device.h>
#include <Engine/Core/Log.h>
namespace Engine
{
DescriptorManager::DescriptorManager(Device& device)
: m_Device(device)
{
vk::DescriptorPoolSize poolSize;
poolSize.setType(vk::DescriptorType::eUniformBuffer)
.setDescriptorCount(kMaxSets);
vk::DescriptorPoolCreateInfo poolInfo;
poolInfo.setMaxSets(kMaxSets)
.setPoolSizes(poolSize)
.setFlags(vk::DescriptorPoolCreateFlagBits::eFreeDescriptorSet);
m_Pool = m_Device.GetDevice().createDescriptorPool(poolInfo);
ENGINE_INFO("DescriptorManager created");
}
DescriptorManager::~DescriptorManager()
{
m_Device.GetDevice().destroyDescriptorPool(m_Pool);
}
vk::DescriptorSetLayout DescriptorManager::CreateUniformBufferLayout(u32 binding)
{
vk::DescriptorSetLayoutBinding layoutBinding;
layoutBinding.setBinding(binding)
.setDescriptorType(vk::DescriptorType::eUniformBuffer)
.setDescriptorCount(1)
.setStageFlags(vk::ShaderStageFlagBits::eVertex |
vk::ShaderStageFlagBits::eFragment);
vk::DescriptorSetLayoutCreateInfo layoutInfo;
layoutInfo.setBindings(layoutBinding);
return m_Device.GetDevice().createDescriptorSetLayout(layoutInfo);
}
vk::PipelineLayout DescriptorManager::CreatePipelineLayout(vk::DescriptorSetLayout layout)
{
vk::PipelineLayoutCreateInfo info;
info.setSetLayouts(layout);
return m_Device.GetDevice().createPipelineLayout(info);
}
vk::DescriptorSet DescriptorManager::AllocateDescriptorSet(vk::DescriptorSetLayout layout)
{
vk::DescriptorSetAllocateInfo allocInfo;
allocInfo.setDescriptorPool(m_Pool)
.setSetLayouts(layout);
auto sets = m_Device.GetDevice().allocateDescriptorSets(allocInfo);
return sets[0];
}
void DescriptorManager::UpdateUniformBuffer(vk::DescriptorSet set, u32 binding,
vk::Buffer buffer, u64 size)
{
vk::DescriptorBufferInfo bufferInfo;
bufferInfo.setBuffer(buffer)
.setOffset(0)
.setRange(size);
vk::WriteDescriptorSet write;
write.setDstSet(set)
.setDstBinding(binding)
.setDstArrayElement(0)
.setDescriptorType(vk::DescriptorType::eUniformBuffer)
.setDescriptorCount(1)
.setBufferInfo(bufferInfo);
m_Device.GetDevice().updateDescriptorSets(write, {});
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Vulkan/Device.h>
#include <Engine/Core/Window.h>
#include <Engine/Core/Log.h>
#include <cstring>
#include <set>
VULKAN_HPP_DEFAULT_DISPATCH_LOADER_DYNAMIC_STORAGE
namespace Engine {
// ---------- Debug Callback ----------
static VKAPI_ATTR vk::Bool32 VKAPI_CALL DebugCallback(
vk::DebugUtilsMessageSeverityFlagBitsEXT severity,
vk::DebugUtilsMessageTypeFlagsEXT type,
const vk::DebugUtilsMessengerCallbackDataEXT* data,
void* userData)
{
if (severity >= vk::DebugUtilsMessageSeverityFlagBitsEXT::eWarning) {
ENGINE_WARN("[Vulkan] {}", data->pMessage);
} else {
ENGINE_TRACE("[Vulkan] {}", data->pMessage);
}
return vk::False;
}
// ---------- 构造 / 析构 ----------
Device::Device(Window& window)
{
CreateInstance();
SetupDebugMessenger();
CreateSurface(window);
PickPhysicalDevice();
CreateLogicalDevice();
}
Device::~Device()
{
m_Device.destroy();
if (m_DebugMessenger) {
m_Instance.destroyDebugUtilsMessengerEXT(m_DebugMessenger);
}
m_Instance.destroySurfaceKHR(m_Surface);
m_Instance.destroy();
}
// ---------- Instance ----------
void Device::CreateInstance()
{
VULKAN_HPP_DEFAULT_DISPATCHER.init();
if (kEnableValidation && !CheckValidationLayerSupport()) {
ENGINE_FATAL("Validation layers requested, but not available");
}
vk::ApplicationInfo appInfo;
appInfo.setPApplicationName("HelloVulkan")
.setApplicationVersion(VK_MAKE_VERSION(1, 0, 0))
.setPEngineName("Engine")
.setEngineVersion(VK_MAKE_VERSION(1, 0, 0))
.setApiVersion(VK_API_VERSION_1_4); // ← 1.4
auto extensions = Window::GetRequiredExtensions();
if (kEnableValidation) {
extensions.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
}
vk::InstanceCreateInfo createInfo;
createInfo.setPApplicationInfo(&appInfo)
.setPEnabledExtensionNames(extensions);
if (kEnableValidation) {
createInfo.setPEnabledLayerNames(m_ValidationLayers);
}
m_Instance = vk::createInstance(createInfo);
VULKAN_HPP_DEFAULT_DISPATCHER.init(m_Instance);
ENGINE_INFO("Vulkan Instance created (API 1.4)");
}
void Device::SetupDebugMessenger()
{
if (!kEnableValidation) return;
vk::DebugUtilsMessengerCreateInfoEXT createInfo;
createInfo.setMessageSeverity(
vk::DebugUtilsMessageSeverityFlagBitsEXT::eWarning |
vk::DebugUtilsMessageSeverityFlagBitsEXT::eError)
.setMessageType(
vk::DebugUtilsMessageTypeFlagBitsEXT::eGeneral |
vk::DebugUtilsMessageTypeFlagBitsEXT::eValidation |
vk::DebugUtilsMessageTypeFlagBitsEXT::ePerformance)
.setPfnUserCallback(&DebugCallback);
m_DebugMessenger = m_Instance.createDebugUtilsMessengerEXT(createInfo);
}
// ---------- Surface ----------
void Device::CreateSurface(Window& window)
{
m_Surface = window.CreateSurface(m_Instance);
ENGINE_INFO("Vulkan Surface created");
}
// ---------- PhysicalDevice ----------
void Device::PickPhysicalDevice()
{
auto devices = m_Instance.enumeratePhysicalDevices();
if (devices.empty()) {
ENGINE_FATAL("No Vulkan-capable GPU found");
}
for (auto& device : devices) {
if (IsDeviceSuitable(device)) {
m_PhysicalDevice = device;
break;
}
}
if (!m_PhysicalDevice) {
ENGINE_FATAL("No suitable GPU found");
}
m_MemoryProperties = m_PhysicalDevice.getMemoryProperties();
auto props = m_PhysicalDevice.getProperties();
ENGINE_INFO("Selected GPU: {}", props.deviceName.data());
// ========================================================
// 查询 1.4 特性
//
// 关键点:dynamicRendering 和 synchronization2 是 1.3 的特性,
// 它们就定义在 VkPhysicalDeviceVulkan13Features 里[reference:2]。
// Vulkan 1.4 没有把它们“搬走”,而是在 1.4 的结构体里新增了
// dynamicRenderingLocalRead、pushDescriptor 等 1.4 独有的特性[reference:3]。
//
// 所以查询时,两个结构体都要有,用 pNext 串起来。
// ========================================================
vk::PhysicalDeviceVulkan14Features features14{};
vk::PhysicalDeviceVulkan13Features features13{};
vk::PhysicalDeviceVulkan12Features features12{};
// 链接:1.4 → 1.3 → 1.2
features14.pNext = &features13;
features13.pNext = &features12;
vk::PhysicalDeviceFeatures2 features2{};
features2.pNext = &features14;
m_PhysicalDevice.getFeatures2(&features2);
// 1.3 的特性
m_DynamicRenderingSupported = features13.dynamicRendering;
m_Synchronization2Supported = features13.synchronization2;
// 1.4 的新特性
bool localReadSupported = features14.dynamicRenderingLocalRead;
bool pushDescriptorSupported = features14.pushDescriptor;
// 查询 Shader Object 扩展
auto exts = m_PhysicalDevice.enumerateDeviceExtensionProperties();
for (auto& ext : exts) {
if (strcmp(ext.extensionName, "VK_EXT_shader_object") == 0) {
m_ShaderObjectSupported = true;
}
}
ENGINE_INFO(" Dynamic Rendering (1.3): {}", m_DynamicRenderingSupported ? "Yes" : "No");
ENGINE_INFO(" Synchronization2 (1.3): {}", m_Synchronization2Supported ? "Yes" : "No");
ENGINE_INFO(" Dynamic Rendering Local Read (1.4): {}", localReadSupported ? "Yes" : "No");
ENGINE_INFO(" Push Descriptor (1.4): {}", pushDescriptorSupported ? "Yes" : "No");
ENGINE_INFO(" Shader Object (EXT): {}", m_ShaderObjectSupported ? "Yes" : "No");
}
bool Device::IsDeviceSuitable(vk::PhysicalDevice device)
{
auto families = device.getQueueFamilyProperties();
bool hasGraphics = false;
bool hasPresent = false;
for (uint32_t i = 0; i < families.size(); ++i) {
if (families[i].queueFlags & vk::QueueFlagBits::eGraphics) {
hasGraphics = true;
}
if (device.getSurfaceSupportKHR(i, m_Surface)) {
hasPresent = true;
}
}
if (!hasGraphics || !hasPresent) return false;
auto exts = device.enumerateDeviceExtensionProperties();
std::set<std::string> required(m_DeviceExtensions.begin(), m_DeviceExtensions.end());
for (auto& ext : exts) {
required.erase(ext.extensionName);
}
if (!required.empty()) return false;
auto formats = device.getSurfaceFormatsKHR(m_Surface);
auto modes = device.getSurfacePresentModesKHR(m_Surface);
if (formats.empty() || modes.empty()) return false;
return true;
}
// ---------- LogicalDevice ----------
void Device::CreateLogicalDevice()
{
auto families = m_PhysicalDevice.getQueueFamilyProperties();
for (uint32_t i = 0; i < families.size(); ++i) {
if ((families[i].queueFlags & vk::QueueFlagBits::eGraphics) && m_GraphicsFamily == 0) {
m_GraphicsFamily = i;
}
if (m_PhysicalDevice.getSurfaceSupportKHR(i, m_Surface) && m_PresentFamily == 0) {
m_PresentFamily = i;
}
}
std::vector<vk::DeviceQueueCreateInfo> queueInfos;
std::set<uint32_t> uniqueFamilies = { m_GraphicsFamily, m_PresentFamily };
float priority = 1.0f;
for (uint32_t family : uniqueFamilies) {
vk::DeviceQueueCreateInfo info;
info.setQueueFamilyIndex(family)
.setQueueCount(1)
.setPQueuePriorities(&priority);
queueInfos.push_back(info);
}
vk::PhysicalDeviceFeatures features;
// ========================================================
// 启用 1.4 特性链
//
// 同样的:1.3 的特性放 features13,1.4 的新特性放 features14。
// 用 pNext 串联,最后挂到 DeviceCreateInfo 的 pNext 上。
// ========================================================
vk::PhysicalDeviceVulkan14Features features14{};
vk::PhysicalDeviceVulkan13Features features13{};
// 启用 1.3 的特性
features13.dynamicRendering = VK_TRUE;
features13.synchronization2 = VK_TRUE;
// 启用 1.4 的新特性
features14.dynamicRenderingLocalRead = VK_TRUE;
features14.pushDescriptor = VK_TRUE;
// 链接:1.4 → 1.3 → (shader object)
features14.pNext = &features13;
// Shader Object 特性(如果支持)
vk::PhysicalDeviceShaderObjectFeaturesEXT shaderObjFeatures{};
if (m_ShaderObjectSupported) {
shaderObjFeatures.shaderObject = VK_TRUE;
features13.pNext = &shaderObjFeatures;
}
// 扩展列表
std::vector<const char*> deviceExtensions = m_DeviceExtensions;
if (m_ShaderObjectSupported) {
deviceExtensions.push_back(VK_EXT_SHADER_OBJECT_EXTENSION_NAME);
}
vk::DeviceCreateInfo createInfo;
createInfo.setQueueCreateInfos(queueInfos)
.setPEnabledExtensionNames(deviceExtensions)
.setPEnabledFeatures(&features)
.setPNext(&features14); // ← 特性链从这里开始
m_Device = m_PhysicalDevice.createDevice(createInfo);
m_GraphicsQueue = m_Device.getQueue(m_GraphicsFamily, 0);
m_PresentQueue = m_Device.getQueue(m_PresentFamily, 0);
VULKAN_HPP_DEFAULT_DISPATCHER.init(m_Device);
ENGINE_INFO("Logical Device created (graphics={}, present={})",
m_GraphicsFamily, m_PresentFamily);
}
// ---------- 内存类型 ----------
uint32_t Device::FindMemoryType(uint32_t typeFilter, vk::MemoryPropertyFlags props) const
{
for (uint32_t i = 0; i < m_MemoryProperties.memoryTypeCount; ++i) {
if ((typeFilter & (1 << i)) &&
(m_MemoryProperties.memoryTypes[i].propertyFlags & props) == props) {
return i;
}
}
ENGINE_FATAL("No suitable memory type found");
return 0;
}
// ---------- 验证层检查 ----------
bool Device::CheckValidationLayerSupport()
{
auto layers = vk::enumerateInstanceLayerProperties();
for (const char* layerName : m_ValidationLayers) {
bool found = false;
for (auto& layer : layers) {
if (std::strcmp(layer.layerName, layerName) == 0) {
found = true;
break;
}
}
if (!found) return false;
}
return true;
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Vulkan/MemoryAllocator.h>
#include <Engine/Vulkan/Device.h>
#include <Engine/Core/Log.h>
#include <algorithm>
namespace Engine {
MemoryAllocator::MemoryAllocator(Device& device)
: m_Device(device)
{
ENGINE_INFO("MemoryAllocator created");
}
MemoryAllocator::~MemoryAllocator()
{
const auto& vkDevice = m_Device.GetDevice();
for (auto& blocks : m_Blocks) {
for (auto& block : blocks) {
if (block.IsMapped) {
vkDevice.unmapMemory(block.Memory);
}
vkDevice.freeMemory(block.Memory);
}
blocks.clear();
}
}
MemoryAllocator::Allocation MemoryAllocator::Allocate(
vk::MemoryRequirements reqs, vk::MemoryPropertyFlags props)
{
uint32_t typeIndex = m_Device.FindMemoryType(reqs.memoryTypeBits, props);
auto& blocks = m_Blocks[typeIndex];
// 先从已有块里找能放下的
for (auto& block : blocks) {
vk::DeviceSize alignedOffset =
(block.Used + reqs.alignment - 1) & ~(reqs.alignment - 1);
if (alignedOffset + reqs.size <= block.Size) {
Allocation alloc;
alloc.Memory = block.Memory;
alloc.Offset = alignedOffset;
alloc.Size = reqs.size;
alloc.MappedPtr = block.IsMapped
? static_cast<char*>(block.MappedPtr) + alignedOffset
: nullptr;
block.Used = alignedOffset + reqs.size;
return alloc;
}
}
// 没有合适的块,创建新块
vk::DeviceSize blockSize = std::max(m_DefaultBlockSize, reqs.size);
vk::MemoryAllocateInfo allocInfo;
allocInfo.setAllocationSize(blockSize)
.setMemoryTypeIndex(typeIndex);
Block block;
block.Memory = m_Device.GetDevice().allocateMemory(allocInfo);
block.Size = blockSize;
block.Used = 0;
// HOST_VISIBLE 的块持久映射
if (props & vk::MemoryPropertyFlagBits::eHostVisible) {
block.MappedPtr = m_Device.GetDevice().mapMemory(
block.Memory, 0, VK_WHOLE_SIZE);
block.IsMapped = true;
}
blocks.push_back(block);
// 从新块分配
vk::DeviceSize alignedOffset = (reqs.alignment - 1) & ~(reqs.alignment - 1);
Allocation alloc;
alloc.Memory = block.Memory;
alloc.Offset = alignedOffset;
alloc.Size = reqs.size;
alloc.MappedPtr = block.IsMapped
? static_cast<char*>(block.MappedPtr) + alignedOffset
: nullptr;
blocks.back().Used = alignedOffset + reqs.size;
ENGINE_INFO("MemoryAllocator: new block of {} bytes (type {})",
blockSize, typeIndex);
return alloc;
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Vulkan/ShaderManager.h>
#include <Engine/Vulkan/Device.h>
#include <Engine/Core/Log.h>
#include <fstream>
namespace Engine {
ShaderManager::ShaderManager(Device& device)
: m_Device(device)
{
}
ShaderManager::~ShaderManager()
{
}
ShaderObject ShaderManager::CreateFromFile(const std::string& spvPath,
vk::ShaderStageFlagBits stage,
vk::DescriptorSetLayout layout)
{
auto spirv = ReadSPIRV(spvPath);
if (spirv.empty()) {
ENGINE_ERROR("Failed to read SPIR-V: {}", spvPath);
return { nullptr, stage };
}
return CreateFromSPIRV(spirv, stage, layout);
}
ShaderObject ShaderManager::CreateFromSPIRV(const std::vector<u32>& spirv,
vk::ShaderStageFlagBits stage,
vk::DescriptorSetLayout layout)
{
// 下一个阶段:顶点 → 片段
vk::ShaderStageFlags nextStage = {};
if (stage == vk::ShaderStageFlagBits::eVertex) {
nextStage = vk::ShaderStageFlagBits::eFragment;
}
vk::ShaderCreateInfoEXT createInfo;
createInfo.setStage(stage)
.setNextStage(nextStage)
.setCodeType(vk::ShaderCodeTypeEXT::eSpirv)
.setCodeSize(spirv.size() * sizeof(u32))
.setPCode(spirv.data())
.setPName("main");
// 有布局就传进去
if (layout) {
createInfo.setSetLayouts(layout);
}
vk::ShaderEXT shader;
try {
auto result = m_Device.GetDevice().createShadersEXT(createInfo);
shader = result.value[0];
}
catch (const vk::SystemError& e) {
ENGINE_ERROR("Failed to create shader object: {}", e.what());
return { nullptr, stage };
}
return { shader, stage };
}
void ShaderManager::Destroy(const ShaderObject& shader)
{
if (shader.Handle) {
m_Device.GetDevice().destroyShaderEXT(shader.Handle);
}
}
std::vector<u32> ShaderManager::ReadSPIRV(const std::string& path)
{
std::ifstream file(path, std::ios::binary | std::ios::ate);
if (!file) {
ENGINE_ERROR("Failed to open: {}", path);
return {};
}
size_t size = file.tellg();
std::vector<u32> buffer(size / sizeof(u32));
file.seekg(0);
file.read(reinterpret_cast<char*>(buffer.data()), size);
file.close();
return buffer;
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Vulkan/Swapchain.h>
#include <Engine/Vulkan/Device.h>
#include <Engine/Core/Window.h>
#include <Engine/Core/Log.h>
#include <algorithm>
#include <limits>
#include "Engine/Vulkan/MemoryAllocator.h"
namespace Engine
{
Swapchain::Swapchain(Device& device, MemoryAllocator& allocator, Window& window)
: m_Device(device), m_Allocator(allocator)
{
Create(window);
}
Swapchain::~Swapchain()
{
Destroy();
}
void Swapchain::Create(Window& window)
{
const auto& vkDevice = m_Device.GetDevice();
auto surface = m_Device.GetSurface();
auto physicalDevice = m_Device.GetPhysicalDevice();
// 查询支持
auto caps = physicalDevice.getSurfaceCapabilitiesKHR(surface);
auto formats = physicalDevice.getSurfaceFormatsKHR(surface);
auto modes = physicalDevice.getSurfacePresentModesKHR(surface);
auto surfaceFormat = ChooseSurfaceFormat(formats);
auto presentMode = ChoosePresentMode(modes);
auto extent = ChooseExtent(caps, window);
m_Format = surfaceFormat.format;
m_Extent = extent;
// 交换链 image 数量
uint32_t imageCount = caps.minImageCount + 1;
if (caps.maxImageCount > 0 && imageCount > caps.maxImageCount)
{
imageCount = caps.maxImageCount;
}
vk::SwapchainCreateInfoKHR createInfo;
createInfo.setSurface(surface)
.setMinImageCount(imageCount)
.setImageFormat(surfaceFormat.format)
.setImageColorSpace(surfaceFormat.colorSpace)
.setImageExtent(extent)
.setImageArrayLayers(1)
.setImageUsage(vk::ImageUsageFlagBits::eColorAttachment)
.setImageSharingMode(vk::SharingMode::eExclusive)
.setPreTransform(caps.currentTransform)
.setCompositeAlpha(vk::CompositeAlphaFlagBitsKHR::eOpaque)
.setPresentMode(presentMode)
.setClipped(VK_TRUE)
.setOldSwapchain(nullptr);
// graphics 和 present 队列族不同时,用 concurrent
uint32_t indices[] = {m_Device.GetGraphicsFamily(), m_Device.GetPresentFamily()};
if (indices[0] != indices[1])
{
createInfo.setImageSharingMode(vk::SharingMode::eConcurrent)
.setQueueFamilyIndices(indices);
}
m_Swapchain = vkDevice.createSwapchainKHR(createInfo);
// 拿 image
m_Images = vkDevice.getSwapchainImagesKHR(m_Swapchain);
// 创建 image view
m_ImageViews.resize(m_Images.size());
for (size_t i = 0; i < m_Images.size(); ++i)
{
vk::ImageViewCreateInfo viewInfo;
viewInfo.setImage(m_Images[i])
.setViewType(vk::ImageViewType::e2D)
.setFormat(m_Format)
.setSubresourceRange({
vk::ImageAspectFlagBits::eColor,
0, 1,
0, 1
});
m_ImageViews[i] = vkDevice.createImageView(viewInfo);
}
ENGINE_INFO("Swapchain created: {}x{}, {} images, format={}",
m_Extent.width, m_Extent.height,
m_Images.size(),
vk::to_string(m_Format));
CreateDepthResources();
}
void Swapchain::Destroy()
{
DestroyDepthResources();
const auto& vkDevice = m_Device.GetDevice();
for (auto view : m_ImageViews)
{
vkDevice.destroyImageView(view);
}
m_ImageViews.clear();
m_Images.clear();
if (m_Swapchain)
{
vkDevice.destroySwapchainKHR(m_Swapchain);
m_Swapchain = nullptr;
}
}
void Swapchain::Recreate(Window& window)
{
const auto& vkDevice = m_Device.GetDevice();
vkDevice.waitIdle();
Destroy();
Create(window);
ENGINE_INFO("Swapchain recreated: {}x{}", m_Extent.width, m_Extent.height);
}
// ---------- 选择函数 ----------
vk::SurfaceFormatKHR Swapchain::ChooseSurfaceFormat(const std::vector<vk::SurfaceFormatKHR>& formats)
{
for (const auto& f : formats)
{
if (f.format == vk::Format::eB8G8R8A8Srgb &&
f.colorSpace == vk::ColorSpaceKHR::eSrgbNonlinear)
{
return f;
}
}
return formats[0];
}
vk::PresentModeKHR Swapchain::ChoosePresentMode(const std::vector<vk::PresentModeKHR>& modes)
{
for (const auto& m : modes)
{
if (m == vk::PresentModeKHR::eMailbox)
{
return m;
}
}
return vk::PresentModeKHR::eFifo;
}
vk::Extent2D Swapchain::ChooseExtent(const vk::SurfaceCapabilitiesKHR& caps, Window& window)
{
if (caps.currentExtent.width != std::numeric_limits<uint32_t>::max())
{
return caps.currentExtent;
}
vk::Extent2D extent = {
static_cast<uint32_t>(window.GetWidth()),
static_cast<uint32_t>(window.GetHeight())
};
extent.width = std::clamp(extent.width, caps.minImageExtent.width, caps.maxImageExtent.width);
extent.height = std::clamp(extent.height, caps.minImageExtent.height, caps.maxImageExtent.height);
return extent;
}
vk::Format Swapchain::FindDepthFormat()
{
// 优先 D32_SFLOAT,退回 D32_SFLOAT_S8_UINT,再退回 D24_UNORM_S8_UINT
std::array<vk::Format, 3> candidates = {
vk::Format::eD32Sfloat,
vk::Format::eD32SfloatS8Uint,
vk::Format::eD24UnormS8Uint
};
for (auto format : candidates)
{
auto props = m_Device.GetPhysicalDevice().getFormatProperties(format);
if (props.optimalTilingFeatures & vk::FormatFeatureFlagBits::eDepthStencilAttachment)
{
return format;
}
}
ENGINE_FATAL("No depth format supported");
return vk::Format::eD32Sfloat;
}
void Swapchain::CreateDepthResources()
{
m_DepthFormat = FindDepthFormat();
vk::ImageCreateInfo imageInfo;
imageInfo.setImageType(vk::ImageType::e2D)
.setFormat(m_DepthFormat)
.setExtent({m_Extent.width, m_Extent.height, 1})
.setMipLevels(1)
.setArrayLayers(1)
.setSamples(vk::SampleCountFlagBits::e1)
.setTiling(vk::ImageTiling::eOptimal)
.setUsage(vk::ImageUsageFlagBits::eDepthStencilAttachment)
.setSharingMode(vk::SharingMode::eExclusive)
.setInitialLayout(vk::ImageLayout::eUndefined);
m_DepthImage = m_Device.GetDevice().createImage(imageInfo);
auto reqs = m_Device.GetDevice().getImageMemoryRequirements(m_DepthImage);
auto alloc = m_Allocator.Allocate(reqs, vk::MemoryPropertyFlagBits::eDeviceLocal);
m_DepthMemory = alloc.Memory;
m_Device.GetDevice().bindImageMemory(m_DepthImage, m_DepthMemory, alloc.Offset);
vk::ImageViewCreateInfo viewInfo;
viewInfo.setImage(m_DepthImage)
.setViewType(vk::ImageViewType::e2D)
.setFormat(m_DepthFormat)
.setSubresourceRange({
vk::ImageAspectFlagBits::eDepth,
0, 1, 0, 1
});
m_DepthImageView = m_Device.GetDevice().createImageView(viewInfo);
}
void Swapchain::DestroyDepthResources()
{
const auto& vkDevice = m_Device.GetDevice();
if (m_DepthImageView)
{
vkDevice.destroyImageView(m_DepthImageView);
m_DepthImageView = nullptr;
}
if (m_DepthImage)
{
vkDevice.destroyImage(m_DepthImage);
m_DepthImage = nullptr;
}
// 内存由 MemoryAllocator 统一释放
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Vulkan/SyncManager.h>
#include <Engine/Vulkan/Device.h>
#include <Engine/Core/Log.h>
#include <limits>
namespace Engine {
SyncManager::SyncManager(Device& device, u32 maxFramesInFlight, u32 imageCount)
: m_Device(device)
{
vk::SemaphoreCreateInfo semInfo;
// 每帧一个 ImageAvailable
m_ImageAvailable.resize(maxFramesInFlight);
for (auto& sem : m_ImageAvailable) {
sem = m_Device.GetDevice().createSemaphore(semInfo);
}
// 每张交换链 image 一个 RenderFinished
m_RenderFinished.resize(imageCount);
for (auto& sem : m_RenderFinished) {
sem = m_Device.GetDevice().createSemaphore(semInfo);
}
// 每帧一个 Fence,初始 signaled
vk::FenceCreateInfo fenceInfo;
fenceInfo.setFlags(vk::FenceCreateFlagBits::eSignaled);
m_FrameFences.resize(maxFramesInFlight);
for (auto& fence : m_FrameFences) {
fence = m_Device.GetDevice().createFence(fenceInfo);
}
ENGINE_INFO("SyncManager created ({} frames, {} images)",
maxFramesInFlight, imageCount);
}
SyncManager::~SyncManager()
{
const auto& vkDevice = m_Device.GetDevice();
for (auto f : m_FrameFences) vkDevice.destroyFence(f);
for (auto s : m_ImageAvailable) vkDevice.destroySemaphore(s);
for (auto s : m_RenderFinished) vkDevice.destroySemaphore(s);
}
void SyncManager::WaitFence(u32 frameIndex)
{
auto result = m_Device.GetDevice().waitForFences(
m_FrameFences[frameIndex], VK_TRUE, std::numeric_limits<u64>::max());
if (result != vk::Result::eSuccess) {
ENGINE_ERROR("waitForFences failed");
}
}
void SyncManager::ResetFence(u32 frameIndex)
{
m_Device.GetDevice().resetFences(m_FrameFences[frameIndex]);
}
} // namespace Engine
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//
// Created by atdunbg on 2026/9/20.
//
#include <Engine/Vulkan/UniformBuffer.h>
#include <Engine/Vulkan/Device.h>
#include <Engine/Vulkan/MemoryAllocator.h>
#include <Engine/Core/Log.h>
namespace Engine {
UniformBuffer::UniformBuffer(Device& device, MemoryAllocator& allocator, u64 size)
: m_Size(size)
{
// Uniform Buffer 需要 CPU 每帧更新,所以用 HOST_VISIBLE | HOST_COHERENT
m_Buffer = CreateScope<Buffer>(
device, allocator,
size,
vk::BufferUsageFlagBits::eUniformBuffer,
vk::MemoryPropertyFlagBits::eHostVisible |
vk::MemoryPropertyFlagBits::eHostCoherent);
ENGINE_INFO("UniformBuffer created: {} bytes", size);
}
UniformBuffer::~UniformBuffer()
{
// Buffer 析构时自动销毁 vk::Buffer,内存由 MemoryAllocator 统一释放
}
void UniformBuffer::Update(const void* data, u64 size)
{
m_Buffer->Upload(data, size);
}
} // namespace Engine
Submodule
+1
Submodule Lib/glfw added at 92dcf4ce74
Submodule
+1
Submodule Lib/glm added at 6f14f4792a
Submodule
+1
Submodule Lib/spdlog added at 57cb5fb7a8
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#version 450
layout(location = 0) in vec3 fragColor;
layout(location = 0) out vec4 outColor;
void main() {
outColor = vec4(fragColor, 1.0);
}
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#version 450
layout(location = 0) in vec3 inPosition;
layout(location = 1) in vec3 inColor;
layout(location = 0) out vec3 fragColor;
layout(set = 0, binding = 0) uniform UniformBufferObject {
mat4 mvp;
} ubo;
void main() {
gl_Position = ubo.mvp * vec4(inPosition, 1.0);
fragColor = inColor;
}
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@@ -1,7 +0,0 @@
#include <iostream>
int main()
{
std::cout << "Hello, World!" << std::endl;
return 0;
}