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
+95
View File
@@ -0,0 +1,95 @@
//
// 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