feat: 修复RHI渲染循环问题

- 修复RootSignature参数数量与HelloEarth一致
- 修复StaticMeshComponent中device为nullptr的问题
- 修复CommandList::Reset类型转换问题
- 修复RTV创建使用nullptr而不是rtvDesc
- 添加SwapChain的GetCurrentRenderTarget方法
- 修复DepthStencil创建问题(暂时跳过)
- 渲染循环基本可运行

Debug/Res/Shader/gs.hlsl

@@ -0,0 +1,99 @@
+struct VertexData{
+    float4 position:POSITION;
+    float4 texcoord:TEXCOORD0;
+    float4 normal:NORMAL;
+    float4 tangent:TANGENT;
+};
+
+struct VSOut{
+    float4 position:SV_POSITION;
+    float4 normal:NORMAL;
+    float4 texcoord:TEXCOORD0;
+};
+
+static const float PI=3.141592;
+cbuffer globalConstants:register(b0){
+    float4 misc;
+};
+
+Texture2D T_DiffuseTexture:register(t0);
+SamplerState samplerState:register(s0);
+
+struct MaterialData{
+    float r;
+};
+StructuredBuffer<MaterialData> materialData:register(t0,space1);
+cbuffer DefaultVertexCB:register(b1){
+    float4x4 ProjectionMatrix;
+    float4x4 ViewMatrix;
+    float4x4 ModelMatrix;
+    float4x4 IT_ModelMatrix;
+    float4x4 ReservedMemory[1020];
+};
+
+VSOut MainVS(VertexData inVertexData){
+    VSOut vo;
+    vo.normal=mul(IT_ModelMatrix,inVertexData.normal);
+    float4 positionWS=mul(ModelMatrix,inVertexData.position);
+    float4 positionVS=mul(ViewMatrix,positionWS);
+    vo.position=mul(ProjectionMatrix,positionVS);
+    //vo.position=float4(positionWS.xyz+vo.normal.xyz*sin(misc.x)*0.2f,1.0f);
+    vo.texcoord=inVertexData.texcoord;
+    return vo;
+}
+
+[maxvertexcount(4)]
+void MainGS(triangle VSOut inPoint[3],uint inPrimitiveID:SV_PrimitiveID,
+    inout TriangleStream<VSOut> outTriangleStream){
+    outTriangleStream.Append(inPoint[0]);
+    outTriangleStream.Append(inPoint[1]);
+    outTriangleStream.Append(inPoint[2]);
+    /*VSOut vo;
+    float3 positionWS=inPoint[0].position.xyz;
+    float3 N=normalize(inPoint[0].normal.xyz);
+    vo.normal=float4(N,0.0f);
+    float3 helperVec=abs(N.y)>0.999?float3(0.0f,0.0f,1.0f):float3(0.0f,1.0f,0.0f);
+    float3 tangent=normalize(cross(N,helperVec));//u
+    float3 bitangent=normalize(cross(tangent,N));//v
+    float scale=materialData[inPrimitiveID].r;
+
+    
+    float3 p0WS=positionWS-(bitangent*0.5f-tangent*0.5f)*scale;//left bottom
+    float4 p0VS=mul(ViewMatrix,float4(p0WS,1.0f));
+    vo.position=mul(ProjectionMatrix,p0VS);
+    vo.texcoord=float4(0.0f,1.0f,0.0f,0.0f);
+    outTriangleStream.Append(vo);
+    
+    float3 p1WS=positionWS-(bitangent*0.5f+tangent*0.5f)*scale;//right bottom
+    float4 p1VS=mul(ViewMatrix,float4(p1WS,1.0f));
+    vo.position=mul(ProjectionMatrix,p1VS);
+    vo.texcoord=float4(1.0f,1.0f,0.0f,0.0f);
+    outTriangleStream.Append(vo);
+
+    float3 p2WS=positionWS+(bitangent*0.5f+tangent*0.5f)*scale;//left top
+    float4 p2VS=mul(ViewMatrix,float4(p2WS,1.0f));
+    vo.position=mul(ProjectionMatrix,p2VS);
+    vo.texcoord=float4(0.0f,0.0f,0.0f,0.0f);
+    outTriangleStream.Append(vo);
+
+    float3 p3WS=positionWS+(bitangent*0.5f-tangent*0.5f)*scale;//right top
+    float4 p3VS=mul(ViewMatrix,float4(p3WS,1.0f));
+    vo.position=mul(ProjectionMatrix,p3VS);
+    vo.texcoord=float4(1.0f,0.0f,0.0f,0.0f);
+    outTriangleStream.Append(vo);*/
+
+}
+
+float4 MainPS(VSOut inPSInput):SV_TARGET{
+    float3 N=normalize(inPSInput.normal.xyz);
+    float3 bottomColor=float3(0.1f,0.4f,0.6f);
+    float3 topColor=float3(0.7f,0.7f,0.7f);
+    float theta=asin(N.y);//-PI/2 ~ PI/2
+    theta/=PI;//-0.5~0.5
+    theta+=0.5f;//0.0~1.0
+    float ambientColorIntensity=1.0;
+    float3 ambientColor=lerp(bottomColor,topColor,theta)*ambientColorIntensity;
+    float4 diffuseColor=T_DiffuseTexture.Sample(samplerState,inPSInput.texcoord.xy);
+    float3 surfaceColor=diffuseColor.rgb;
+    return float4(surfaceColor,1.0f);
+}

Debug/Res/Shader/ndctriangle.hlsl

@@ -0,0 +1,65 @@
+struct VertexData{
+    float4 position:POSITION;
+    float4 texcoord:TEXCOORD0;
+    float4 normal:NORMAL;
+    float4 tangent:TANGENT;
+};
+
+struct VSOut{
+    float4 position:SV_POSITION;
+    float4 normal:NORMAL;
+    float4 texcoord:TEXCOORD0;
+    float4 positionWS:TEXCOORD1;
+};
+
+static const float PI=3.141592;
+cbuffer globalConstants:register(b0){
+    float4 misc;
+};
+
+cbuffer DefaultVertexCB:register(b1){
+    float4x4 ProjectionMatrix;
+    float4x4 ViewMatrix;
+    float4x4 ModelMatrix;
+    float4x4 IT_ModelMatrix;
+    float4x4 ReservedMemory[1020];
+};
+
+VSOut MainVS(VertexData inVertexData){
+    VSOut vo;
+    vo.normal=mul(IT_ModelMatrix,inVertexData.normal);
+    float3 positionMS=inVertexData.position.xyz+vo.normal*sin(misc.x);
+    float4 positionWS=mul(ModelMatrix,float4(positionMS,1.0));
+    float4 positionVS=mul(ViewMatrix,positionWS);
+    vo.position=mul(ProjectionMatrix,positionVS);
+    vo.positionWS=positionWS;
+    vo.texcoord=inVertexData.texcoord;
+    return vo;
+}
+
+float4 MainPS(VSOut inPSInput):SV_TARGET{
+    float3 N=normalize(inPSInput.normal.xyz);
+    float3 bottomColor=float3(0.1f,0.4f,0.6f);
+    float3 topColor=float3(0.7f,0.7f,0.7f);
+    float theta=asin(N.y);//-PI/2 ~ PI/2
+    theta/=PI;//-0.5~0.5
+    theta+=0.5f;//0.0~1.0
+    float ambientColorIntensity=0.2;
+    float3 ambientColor=lerp(bottomColor,topColor,theta)*ambientColorIntensity;
+    float3 L=normalize(float3(1.0f,1.0f,-1.0f));
+
+    float diffuseIntensity=max(0.0f,dot(N,L));
+    float3 diffuseLightColor=float3(0.1f,0.4f,0.6f);
+    float3 diffuseColor=diffuseLightColor*diffuseIntensity;
+
+    float3 specularColor=float3(0.0f,0.0f,0.0f);
+    if(diffuseIntensity>0.0f){
+        float3 cameraPositionWS=float3(0.0f,0.0f,0.0f);
+        float3 V=normalize(cameraPositionWS.xyz-inPSInput.positionWS.xyz);
+        float3 R=normalize(reflect(-L,N));
+        float specularIntensity=pow(max(0.0f,dot(V,R)),128.0f);
+        specularColor=float3(1.0f,1.0f,1.0f)*specularIntensity;
+    }
+    float3 surfaceColor=ambientColor+diffuseColor+specularColor;
+    return float4(surfaceColor,1.0f);
+}

MVS/XCEngineDemo/main.cpp

@@ -14,6 +14,8 @@
 #pragma comment(lib,"d3dcompiler.lib")
 #pragma comment(lib,"winmm.lib")
 
+void EngineLog(const char* msg, ...);
+
 using namespace XCEngine;
 using namespace XCEngine::RHI;
 
@@ -178,12 +180,15 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hInstancePrev, LPWSTR lpCmdLi
         return -1;
     }
     printf("PipelineState created\n");
+    EngineLog("After PSO created");
     
     IConstantBuffer* cb = nullptr;
     if (!CreateConstantBuffer(device, 65536, &cb)) {
         printf("CreateConstantBuffer Failed!\n");
         return -1;
     }
+    printf("ConstantBuffer created\n");
+    EngineLog("After CreateConstantBuffer");
     
     float matrices[64] = {};
     matrices[0] = 1.0f; matrices[5] = 1.0f; matrices[10] = 1.0f; matrices[15] = 1.0f;
@@ -191,17 +196,28 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hInstancePrev, LPWSTR lpCmdLi
     matrices[32] = 1.0f; matrices[37] = 1.0f; matrices[42] = 1.0f; matrices[47] = 1.0f;
     matrices[48] = 1.0f; matrices[53] = 1.0f; matrices[58] = 1.0f; matrices[63] = 1.0f;
     UpdateConstantBuffer(cb, matrices, sizeof(matrices));
+    printf("ConstantBuffer updated\n");
+    EngineLog("After UpdateConstantBuffer");
     
     StaticMeshComponent mesh;
+    printf("Starting mesh init...\n");
+    EngineLog("Before mesh.Initialize");
     if (!mesh.Initialize(cmdList, "Res/Model/Sphere.lhsm")) {
         printf("Load Mesh Failed!\n");
         return -1;
     }
+    printf("Mesh loaded\n");
+    EngineLog("After mesh.Initialize");
     
     cmdList->Close();
+    printf("CommandList closed\n");
+    EngineLog("After cmdList->Close");
+    
     ICommandQueue* queue = device->GetCommandQueue();
     void* cmdListPtr = cmdList->GetNativeCommandList();
     queue->ExecuteCommandLists(&cmdListPtr, 1);
+    printf("Commands executed\n");
+    EngineLog("After ExecuteCommandLists");
     
     ShowWindow(hwnd, nShowCmd);
     UpdateWindow(hwnd);
@@ -213,7 +229,9 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hInstancePrev, LPWSTR lpCmdLi
             TranslateMessage(&msg);
             DispatchMessage(&msg);
         } else {
+            EngineLog("MainLoop: 1");
             renderContext.BeginFrame();
+            EngineLog("MainLoop: 2");
             
             renderContext.SetViewport((float)width, (float)height);
             renderContext.SetScissor(width, height);
@@ -221,15 +239,22 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hInstancePrev, LPWSTR lpCmdLi
             float color[4] = {0.5f, 0.5f, 0.5f, 1.0f};
             renderContext.ClearRenderTarget(color);
             renderContext.ClearDepthStencil();
+            EngineLog("MainLoop: 2e");
             
             cmdList->SetPipelineState(pso);
+            EngineLog("MainLoop: 2f - SetRootSignature");
             cmdList->SetRootSignature(rootSignature);
+            EngineLog("MainLoop: 2g - SetPrimitiveTopology");
             cmdList->SetPrimitiveTopology(PrimitiveTopology::TriangleList);
             
+            EngineLog("MainLoop: 3 - before mesh.Render");
             mesh.Render(cmdList);
+            EngineLog("MainLoop: 4");
             
             renderContext.EndFrame();
+            EngineLog("MainLoop: 5");
             renderContext.Present();
+            EngineLog("MainLoop: 6");
         }
     }
     

engine/include/XCEngine/RHI/IRHIResources.h

@@ -51,6 +51,8 @@ public:
     virtual bool Resize(uint32_t width, uint32_t height) = 0;
     virtual uint32_t GetCurrentBufferIndex() const = 0;
     virtual void* GetBuffer(uint32_t index) = 0;
+    virtual void* GetCurrentRenderTarget() = 0;
+    virtual void* GetDepthStencil() = 0;
     virtual void SetFullscreen(bool fullscreen) = 0;
     virtual bool IsFullscreen() const = 0;
 };

engine/src/RHI/D3D12/D3D12Device.cpp

@@ -437,6 +437,18 @@ void* D3D12SwapChain::GetBuffer(uint32_t index) {
     return GetBufferResource(index);
 }
 
+void* D3D12SwapChain::GetCurrentRenderTarget() {
+    uint32_t index = GetCurrentBufferIndex();
+    D3D12_CPU_DESCRIPTOR_HANDLE handle = m_rtvHeap->GetNativeHeap()->GetCPUDescriptorHandleForHeapStart();
+    UINT rtvSize = m_device->GetD3D12Device()->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
+    handle.ptr += index * rtvSize;
+    return (void*)handle.ptr;
+}
+
+void* D3D12SwapChain::GetDepthStencil() {
+    return nullptr;
+}
+
 void D3D12SwapChain::SetFullscreen(bool fullscreen) {
     m_fullscreen = fullscreen;
     m_swapChain->SetFullscreenState(fullscreen, nullptr);
@@ -660,7 +672,9 @@ D3D12CommandList::~D3D12CommandList() {
 }
 
 void D3D12CommandList::Reset(void* allocator) {
-    ID3D12CommandAllocator* d3dAllocator = static_cast<ID3D12CommandAllocator*>(allocator);
+    ICommandAllocator* cmdAlloc = static_cast<ICommandAllocator*>(allocator);
+    D3D12CommandAllocator* d3d12Alloc = static_cast<D3D12CommandAllocator*>(cmdAlloc);
+    ID3D12CommandAllocator* d3dAllocator = d3d12Alloc->GetNativeAllocator();
     m_commandList->Reset(d3dAllocator, nullptr);
 }
 

engine/src/RHI/D3D12/D3D12RHI.h

@@ -94,6 +94,8 @@ public:
     bool Resize(uint32_t width, uint32_t height) override;
     uint32_t GetCurrentBufferIndex() const override;
     void* GetBuffer(uint32_t index) override;
+    void* GetCurrentRenderTarget() override;
+    void* GetDepthStencil() override;
     void SetFullscreen(bool fullscreen) override;
     bool IsFullscreen() const override;
     
@@ -172,6 +174,7 @@ public:
     void* GetNativeCommandList() const override;
     
     ID3D12GraphicsCommandList* GetNative() const { return m_commandList.Get(); }
+    D3D12Device* GetDevice() const { return m_device; }
     
 private:
     D3D12Device* m_device = nullptr;

engine/src/RHI/D3D12/D3D12RenderContext.cpp

@@ -2,6 +2,8 @@
 #include <RHI\D3D12\D3D12RHI.h>
 #include <RHI\D3D12\D3D12Resources.h>
 
+void EngineLog(const char* msg, ...);
+
 namespace XCEngine {
 namespace RHI {
 
@@ -59,15 +61,17 @@ void RenderContext::BeginFrame() {
     
     uint32_t bufferIndex = m_swapChain->GetCurrentBufferIndex();
     
-    if (m_currentRenderTarget) delete m_currentRenderTarget;
-    CreateRenderTargetFromSwapChain(m_device, (D3D12SwapChain*)m_swapChain, bufferIndex, &m_currentRenderTarget);
-    
     D3D12CommandList* cmdList = (D3D12CommandList*)m_commandList;
     ID3D12GraphicsCommandList* d3dCmdList = cmdList->GetNative();
     
+    void* currentRT = m_swapChain->GetCurrentRenderTarget();
+    void* currentDS = m_depthStencil->GetDSV();
+    
+    ID3D12Resource* buffer = (ID3D12Resource*)m_swapChain->GetBuffer(bufferIndex);
+    
     D3D12_RESOURCE_BARRIER barrier = {};
     barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
-    barrier.Transition.pResource = ((D3D12RenderTarget*)m_currentRenderTarget)->GetNative();
+    barrier.Transition.pResource = buffer;
     barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;
     barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET;
     barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
@@ -78,26 +82,34 @@ void RenderContext::EndFrame() {
     D3D12CommandList* cmdList = (D3D12CommandList*)m_commandList;
     ID3D12GraphicsCommandList* d3dCmdList = cmdList->GetNative();
     
+    uint32_t bufferIndex = m_swapChain->GetCurrentBufferIndex();
+    ID3D12Resource* buffer = (ID3D12Resource*)m_swapChain->GetBuffer(bufferIndex);
+    
     D3D12_RESOURCE_BARRIER barrier = {};
     barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
-    barrier.Transition.pResource = ((D3D12RenderTarget*)m_currentRenderTarget)->GetNative();
+    barrier.Transition.pResource = buffer;
     barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET;
     barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_PRESENT;
     barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
     d3dCmdList->ResourceBarrier(1, &barrier);
     
     m_commandList->Close();
+    EngineLog("EndFrame: after Close");
     
     ICommandQueue* queue = m_device->GetCommandQueue();
     void* cmdListPtr = m_commandList->GetNativeCommandList();
     queue->ExecuteCommandLists(&cmdListPtr, 1);
+    EngineLog("EndFrame: after Execute");
     
     m_fenceValue++;
     queue->Signal(m_fence, m_fenceValue);
+    EngineLog("EndFrame: before Wait, fenceValue=%llu", (unsigned long long)m_fenceValue);
     m_fence->Wait(m_fenceValue);
+    EngineLog("EndFrame: after Wait");
 }
 
 void RenderContext::SetViewport(float width, float height) {
+    EngineLog("SetViewport: start");
     Viewport viewport = {};
     viewport.topLeftX = 0;
     viewport.topLeftY = 0;
@@ -106,26 +118,37 @@ void RenderContext::SetViewport(float width, float height) {
     viewport.minDepth = 0.0f;
     viewport.maxDepth = 1.0f;
     m_commandList->SetViewports(&viewport, 1);
+    EngineLog("SetViewport: done");
 }
 
 void RenderContext::SetScissor(int32_t width, int32_t height) {
+    EngineLog("SetScissor: start");
     Rect scissor = {};
     scissor.left = 0;
     scissor.top = 0;
     scissor.right = width;
     scissor.bottom = height;
     m_commandList->SetScissorRects(&scissor, 1);
+    EngineLog("SetScissor: done");
 }
 
 void RenderContext::ClearRenderTarget(const float color[4]) {
-    D3D12RenderTarget* rt = (D3D12RenderTarget*)m_currentRenderTarget;
+    EngineLog("ClearRT: start");
-    rt->CreateRTV();
+    void* rtv = m_swapChain->GetCurrentRenderTarget();
-    m_commandList->ClearRenderTargetView(rt->GetRTV(), color);
+    EngineLog("ClearRT: rtv=%p", rtv);
+    m_commandList->ClearRenderTargetView(rtv, color);
+    EngineLog("ClearRT: done");
 }
 
 void RenderContext::ClearDepthStencil() {
-    m_depthStencil->CreateDSV();
+    //EngineLog("ClearDS: start");
-    m_commandList->ClearDepthStencilView(m_depthStencil->GetDSV(), 1.0f, 0);
+    //EngineLog("ClearDS: m_depthStencil=%p", m_depthStencil);
+    //m_depthStencil->CreateDSV();
+    //EngineLog("ClearDS: after CreateDSV");
+    //void* dsv = m_depthStencil->GetDSV();
+    //EngineLog("ClearDS: dsv=%p", dsv);
+    //m_commandList->ClearDepthStencilView(dsv, 1.0f, 0);
+    //EngineLog("ClearDS: done");
 }
 
 void RenderContext::Present() {

engine/src/RHI/D3D12/D3D12RenderTarget.cpp

@@ -1,23 +1,31 @@
 #include "D3D12Resources.h"
 #include "Rendering\RenderTarget.h"
 
+void EngineLog(const char* msg, ...);
+
 namespace XCEngine {
 namespace RHI {
 
 void D3D12DepthStencil::CreateDSV() {
+    EngineLog("CreateDSV: start, m_device=%p, m_resource=%p", m_device, m_resource.Get());
     if (m_dsvHandle.ptr != 0) return;
+    EngineLog("CreateDSV: calling CreateDepthStencilView");
     D3D12_DEPTH_STENCIL_VIEW_DESC dsvDesc = {};
     dsvDesc.Format = FormatToDXGIFormat(m_desc.format);
+    EngineLog("CreateDSV: format=%d", dsvDesc.Format);
     dsvDesc.ViewDimension = D3D12_DSV_DIMENSION_TEXTURE2D;
     m_device->GetD3D12Device()->CreateDepthStencilView(m_resource.Get(), &dsvDesc, m_dsvHandle);
+    EngineLog("CreateDSV: done");
 }
 
 void D3D12RenderTarget::CreateRTV() {
+    EngineLog("CreateRTV: start, m_device=%p", m_device);
     if (m_rtvHandle.ptr != 0) return;
-    D3D12_RENDER_TARGET_VIEW_DESC rtvDesc = {};
+    ID3D12Device* d3dDevice = m_device->GetD3D12Device();
-    rtvDesc.Format = FormatToDXGIFormat(m_desc.format);
+    EngineLog("CreateRTV: d3dDevice=%p, m_resource=%p", d3dDevice, m_resource.Get());
-    rtvDesc.ViewDimension = D3D12_RTV_DIMENSION_TEXTURE2D;
+    EngineLog("CreateRTV: calling CreateRenderTargetView");
-    m_device->GetD3D12Device()->CreateRenderTargetView(m_resource.Get(), &rtvDesc, m_rtvHandle);
+    d3dDevice->CreateRenderTargetView(m_resource.Get(), nullptr, m_rtvHandle);
+    EngineLog("CreateRTV: done");
 }
 
 bool CreateDepthStencil(D3D12Device* device, uint32_t width, uint32_t height, Format format, IDepthStencil** outDepthStencil) {

engine/src/RHI/D3D12/D3D12StaticMeshComponent.cpp

@@ -1,4 +1,5 @@
 #include <Rendering\StaticMeshComponent.h>
+#include <RHI\D3D12\D3D12RHI.h>
 #include <RHI\D3D12\D3D12Resources.h>
 #include <cstdio>
 
@@ -18,6 +19,9 @@ StaticMeshComponent::~StaticMeshComponent() {
 }
 
 bool StaticMeshComponent::Initialize(ICommandList* commandList, const char* filePath) {
+    D3D12CommandList* d3d12CmdList = static_cast<D3D12CommandList*>(commandList);
+    D3D12Device* device = d3d12CmdList->GetDevice();
+    
     FILE* file = nullptr;
     if (fopen_s(&file, filePath, "rb") != 0) {
         return false;
@@ -30,8 +34,6 @@ bool StaticMeshComponent::Initialize(ICommandList* commandList, const char* file
     MeshVertex* vertices = new MeshVertex[vertexCount];
     fread(vertices, sizeof(MeshVertex), vertexCount, file);
     
-    D3D12Device* device = nullptr;
-    
     CreateVertexBuffer(device, commandList, vertices, sizeof(MeshVertex) * vertexCount, sizeof(MeshVertex), &m_vertexBuffer);
     
     delete[] vertices;

run_test.ps1

@@ -0,0 +1,5 @@
+$proc = Start-Process -FilePath 'D:\Xuanchi\高斯泼溅\XCEngine\build\mvs\XCEngineDemo\Debug\XCEngineDemo.exe' -PassThru
+Start-Sleep -Seconds 5
+if (!$proc.HasExited) {
+    Stop-Process -Id $proc.Id -Force
+}

test/CMakeLists.txt

@@ -0,0 +1,2 @@
+cmake_minimum_required(VERSION 3.15)
+add_executable(test WIN32 test.cpp)

test/test.cpp

@@ -0,0 +1,6 @@
+#include <windows.h>
+
+int WINAPI wWinMain(HINSTANCE h, HINSTANCE p, LPWSTR c, int s) {
+    MessageBoxW(NULL, L"Hello World!", L"Test", MB_OK);
+    return 0;
+}