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add some AI generated dx11 render code

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This commit is contained in:
yyc12345
2026-01-04 17:16:54 +08:00
parent f094dda054
commit a66d3dee8b
7 changed files with 297 additions and 19 deletions
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6
BasaltPresenter/CMakeLists.txt
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@@ -35,13 +35,15 @@ set(CMAKE_CXX_EXTENSIONS OFF)
# Include some essential CMake components
include(GNUInstallDirs)
# Import packages
# Find required packages based on options
set(CMAKE_MODULE_PATH
"${CMAKE_CURRENT_LIST_DIR}/CMake"
)
if (BASALT_CUDA_DELIVER)
find_package(CUDA REQUIRED)
endif ()
if (BASALT_DIRECTX11_ENGINE)
include(cmake/FindDirectX11.cmake)
find_package(DirectX11 REQUIRED)
endif ()

12
BasaltPresenter/Plugins/Deliver/CMakeLists.txt
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@@ -1,5 +1,15 @@
# if (BASALT_CUDA_DELIVER)
# add_subdirectory(CudaDeliver)
# endif ()
# if (BASALT_ROCM_DELIVER)
# add_subdirectory(RocmDeliver)
add_subdirectory(PipeDeliver)
# endif ()
if (BASALT_PIPE_DELIVER)
add_subdirectory(PipeDeliver)
endif ()
# if (BASALT_TCP_DELIVER)
# add_subdirectory(TcpDeliver)
# endif ()
# if (BASALT_MMAP_DELIVER)
# add_subdirectory(MmapDeliver)
# endif ()

14
BasaltPresenter/Plugins/Engine/CMakeLists.txt
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@@ -1,6 +1,18 @@
# if (BASALT_DIRECTX8_ENGINE)
# add_subdirectory(DirectX8Engine)
# endif ()
# if (BASALT_DIRECTX9_ENGINE)
# add_subdirectory(DirectX9Engine)
add_subdirectory(DirectX11Engine)
# endif ()
if (BASALT_DIRECTX11_ENGINE)
add_subdirectory(DirectX11Engine)
endif ()
# if (BASALT_DIRECTX12_ENGINE)
# add_subdirectory(DirectX12Engine)
# endif ()
# if (BASALT_OPENGL_ENGINE)
# add_subdirectory(OpenGLEngine)
# endif ()
# if (BASALT_VULKAN_ENGINE)
# add_subdirectory(VulkanEngine)
# endif ()

1
BasaltPresenter/Plugins/Engine/DirectX11Engine/CMakeLists.txt
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@@ -14,6 +14,7 @@ PRIVATE
target_link_libraries(DirectX11Engine
PRIVATE
BasaltShared
${DirectX11_LIBRARY}
)
# Enable export macro
target_compile_definitions(DirectX11Engine

228
BasaltPresenter/Plugins/Engine/DirectX11Engine/main.cpp
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@@ -1,9 +1,233 @@
#include <basalt_export.hpp>
#include <engine.hpp>
#include <windows.h>
#include <d3d11.h>
#include <d3dcompiler.h>
#include <wrl/client.h>
#include <vector>
#include <iostream>
using Microsoft::WRL::ComPtr;
// 常量
constexpr UINT Width = 800;
constexpr UINT Height = 600;
constexpr const wchar_t* PipeName = L"\\\\.\\pipe\\54da494c-301a-47a9-9d67-4fbebaeda8cf";
// 立方体顶点（位置）
struct Vertex {
float x, y, z;
};
Vertex CubeVertices[] = {
// 前面
{-1, -1, -1},
{1, -1, -1},
{1, 1, -1},
{-1, -1, -1},
{1, 1, -1},
{-1, 1, -1},
// 后面
{-1, -1, 1},
{-1, 1, 1},
{1, 1, 1},
{-1, -1, 1},
{1, 1, 1},
{1, -1, 1},
// 其他面...（为简化，此处略，或用完整立方体）
// 实际建议使用完整12个三角面（36顶点）
};
// 为简化，这里只渲染前面，实际请补全
// 简单顶点着色器（只传位置）
const char* g_VS = R"(
float4 main(float3 pos : POSITION) : SV_POSITION {
return float4(pos, 1.0f);
}
)";
// 简单像素着色器（返回固定颜色）
const char* g_PS = R"(
float4 main() : SV_TARGET {
return float4(0.2f, 0.4f, 0.8f, 1.0f);
}
)";
int main() {
// 初始化 COM
CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
// 创建设备和上下文
ComPtr<ID3D11Device> device;
ComPtr<ID3D11DeviceContext> context;
D3D11CreateDevice(
nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, D3D11_CREATE_DEVICE_DEBUG, nullptr, 0, D3D11_SDK_VERSION, &device, nullptr, &context);
// 创建交换链（窗口可选，这里仅用于渲染上下文）
ComPtr<IDXGISwapChain> swapChain;
DXGI_SWAP_CHAIN_DESC sd = {};
sd.BufferDesc.Width = Width;
sd.BufferDesc.Height = Height;
sd.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
sd.SampleDesc.Count = 1;
sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
sd.BufferCount = 1;
sd.OutputWindow = GetConsoleWindow(); // 或创建窗口
sd.Windowed = TRUE;
ComPtr<IDXGIDevice> dxgiDevice;
device.As(&dxgiDevice);
ComPtr<IDXGIAdapter> adapter;
dxgiDevice->GetAdapter(&adapter);
ComPtr<IDXGIFactory> factory;
adapter->GetParent(IID_PPV_ARGS(&factory));
factory->CreateSwapChain(device.Get(), &sd, &swapChain);
// 创建渲染目标
ComPtr<ID3D11RenderTargetView> rtv;
ComPtr<ID3D11Texture2D> backBuffer;
swapChain->GetBuffer(0, IID_PPV_ARGS(&backBuffer));
device->CreateRenderTargetView(backBuffer.Get(), nullptr, &rtv);
// 创建深度缓冲（D32_FLOAT）
ComPtr<ID3D11Texture2D> depthBuffer;
D3D11_TEXTURE2D_DESC depthDesc = {};
depthDesc.Width = Width;
depthDesc.Height = Height;
depthDesc.MipLevels = 1;
depthDesc.ArraySize = 1;
depthDesc.Format = DXGI_FORMAT_D32_FLOAT;
depthDesc.SampleDesc.Count = 1;
depthDesc.Usage = D3D11_USAGE_DEFAULT;
depthDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
device->CreateTexture2D(&depthDesc, nullptr, &depthBuffer);
ComPtr<ID3D11DepthStencilView> dsv;
device->CreateDepthStencilView(depthBuffer.Get(), nullptr, &dsv);
// 创建 staging texture 用于 CPU 读取深度（R32_FLOAT）
ComPtr<ID3D11Texture2D> depthStaging;
D3D11_TEXTURE2D_DESC stagingDesc = depthDesc;
stagingDesc.Format = DXGI_FORMAT_R32_FLOAT; // 注意：DSV 用 D32_FLOAT，staging 用 R32_FLOAT
stagingDesc.BindFlags = 0;
stagingDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
stagingDesc.Usage = D3D11_USAGE_STAGING;
device->CreateTexture2D(&stagingDesc, nullptr, &depthStaging);
// 编译并创建着色器
ComPtr<ID3D11VertexShader> vs;
ComPtr<ID3D11PixelShader> ps;
ComPtr<ID3DBlob> vsBlob, psBlob;
D3DCompile(g_VS, strlen(g_VS), nullptr, nullptr, nullptr, "main", "vs_4_0", 0, 0, &vsBlob, nullptr);
D3DCompile(g_PS, strlen(g_PS), nullptr, nullptr, nullptr, "main", "ps_4_0", 0, 0, &psBlob, nullptr);
device->CreateVertexShader(vsBlob->GetBufferPointer(), vsBlob->GetBufferSize(), nullptr, &vs);
device->CreatePixelShader(psBlob->GetBufferPointer(), psBlob->GetBufferSize(), nullptr, &ps);
// 输入布局
D3D11_INPUT_ELEMENT_DESC layout[] = {{"POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0}};
ComPtr<ID3D11InputLayout> inputLayout;
device->CreateInputLayout(layout, 1, vsBlob->GetBufferPointer(), vsBlob->GetBufferSize(), &inputLayout);
// 顶点缓冲
ComPtr<ID3D11Buffer> vertexBuffer;
D3D11_BUFFER_DESC vbDesc = {};
vbDesc.ByteWidth = sizeof(CubeVertices);
vbDesc.Usage = D3D11_USAGE_DEFAULT;
vbDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
D3D11_SUBRESOURCE_DATA vbData = {CubeVertices};
device->CreateBuffer(&vbDesc, &vbData, &vertexBuffer);
// 深度测试启用
ComPtr<ID3D11DepthStencilState> depthState;
D3D11_DEPTH_STENCIL_DESC dsDesc = {};
dsDesc.DepthEnable = TRUE;
dsDesc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL;
dsDesc.DepthFunc = D3D11_COMPARISON_LESS;
device->CreateDepthStencilState(&dsDesc, &depthState);
// 视口
D3D11_VIEWPORT vp = {0, 0, (float) Width, (float) Height, 0, 1};
context->RSSetViewports(1, &vp);
// 打开命名管道（需另一进程已创建）
HANDLE hPipe = CreateFileW(PipeName, GENERIC_WRITE, 0, nullptr, OPEN_EXISTING, 0, nullptr);
if (hPipe == INVALID_HANDLE_VALUE) {
std::cerr << "Failed to open named pipe. Ensure another process created it.\n";
return -1;
}
constexpr size_t depthSize = Width * Height * sizeof(float);
std::vector<BYTE> depthData(depthSize);
// 渲染循环（示例只渲染10帧）
for (int frame = 0; frame < 10; ++frame) {
// 清屏
float clearColor[] = {0.1f, 0.1f, 0.1f, 1.0f};
context->ClearRenderTargetView(rtv.Get(), clearColor);
context->ClearDepthStencilView(dsv.Get(), D3D11_CLEAR_DEPTH, 1.0f, 0);
// 设置管线
context->OMSetRenderTargets(1, rtv.GetAddressOf(), dsv.Get());
context->OMSetDepthStencilState(depthState.Get(), 1);
context->VSSetShader(vs.Get(), nullptr, 0);
context->PSSetShader(ps.Get(), nullptr, 0);
context->IASetInputLayout(inputLayout.Get());
UINT stride = sizeof(Vertex), offset = 0;
context->IASetVertexBuffers(0, 1, vertexBuffer.GetAddressOf(), &stride, &offset);
context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
// 绘制立方体
context->Draw(6, 0); // 仅前面，实际应为36
// 复制深度缓冲到 staging texture
context->CopyResource(depthStaging.Get(), depthBuffer.Get());
// Map 获取数据
D3D11_MAPPED_SUBRESOURCE mapped;
context->Map(depthStaging.Get(), 0, D3D11_MAP_READ, 0, &mapped);
memcpy(depthData.data(), mapped.pData, depthSize);
context->Unmap(depthStaging.Get(), 0);
// 写入命名管道
DWORD written;
if (!WriteFile(hPipe, depthData.data(), static_cast<DWORD>(depthSize), &written, nullptr) || written != depthSize) {
std::cerr << "WriteFile failed or incomplete.\n";
break;
}
// 呈现（可选）
swapChain->Present(0, 0);
}
CloseHandle(hPipe);
CoUninitialize();
return 0;
}
using ::Basalt::Shared::Engine::EngineConfig;
using ::Basalt::Shared::Engine::IEngine;
class DirectX11Engine : public IEngine {
public:
DirectX11Engine() : IEngine() {}
virtual ~DirectX11Engine() {}
private:
ComPtr<ID3D11Device> device; ///< 设备
ComPtr<ID3D11DeviceContext> context; ///< 上下文
ComPtr<IDXGISwapChain> swapChain; ///< 交换链
public:
virtual void Startup(EngineConfig&& config) override { IEngine::Startup(std::move(config)); }
virtual void Tick() override { IEngine::Tick(); }
virtual void Shutdown() override { IEngine::Shutdown(); }
};
BS_EXPORT void* BSCreateInstance() {
return nullptr;
return new DirectX11Engine();
}
BS_EXPORT void BSDestroyInstance(void* instance) {
return;
delete reinterpret_cast<DirectX11Engine*>(instance);
}

24
BasaltPresenter/Shared/engine.cpp
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@@ -1,9 +1,29 @@
#include "engine.hpp"
#include <stdexcept>
namespace Basalt::Shared::Engine {
IEngine::IEngine(EngineConfig&& config) : config(std::move(config)) {}
IEngine::IEngine() : config(), status(EngineStatus::Ready) {}
IEngine::~IEngine() {}
IEngine::~IEngine() {
if (this->status != EngineStatus::Stop) {
this->Shutdown();
}
}
void IEngine::Startup(EngineConfig &&config) {
if (this->status != EngineStatus::Ready) throw std::runtime_error("unexpected engine status");
this->config = std::move(config);
this->status = EngineStatus::Running;
}
void IEngine::Tick() {
if (this->status != EngineStatus::Running) throw std::runtime_error("unexpected engine status");
}
void IEngine::Shutdown() {
if (this->status != EngineStatus::Running) throw std::runtime_error("unexpected engine status");
this->status = EngineStatus::Stop;
}
} // namespace Basalt::Shared::Engine

13
BasaltPresenter/Shared/engine.hpp
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@@ -21,16 +21,25 @@ namespace Basalt::Shared::Engine {
std::uint32_t height; ///< Window height.
};
enum class EngineStatus {
Ready, ///< Engine was allocated but not initialized.
Running, ///< Engine has been initialized and running.
Stop, ///< Engine is shutdown.
};
class IEngine {
public:
IEngine(EngineConfig&& config);
IEngine();
virtual ~IEngine();
public:
virtual void Tick() = 0;
virtual void Startup(EngineConfig&& config);
virtual void Tick();
virtual void Shutdown();
protected:
EngineConfig config;
EngineStatus status;
};
}