Add Windows CI workflow for self-hosted runner with CUDA

.github/workflows/copilot-setup-steps.yml

@@ -20,7 +20,7 @@ env:
 jobs:
   # The job MUST be called `copilot-setup-steps` or it will not be picked up by Copilot.
   copilot-setup-steps:
-    runs-on: self-hosted
+    runs-on: [self-hosted, Windows]
 
     # Set the permissions to the lowest permissions possible needed for your steps.
     # Copilot will be given its own token for its operations.
@@ -36,42 +36,23 @@ jobs:
         submodules: recursive
 
     - name: Unshallow vcpkg submodule
+      shell: pwsh
       run: |
         cd external/vcpkg
-        git fetch --unshallow || true
-        cd ../..
+        git fetch --unshallow 2>$null; if (-not $?) { Write-Host "Already unshallowed or fetch failed (continuing)" }
+        exit 0
 
-    - name: Install Packages
-      run: |
-        sudo apt-get update -qq
-        sudo apt-get install -y --no-install-recommends libx11-dev libxcursor-dev libxrandr-dev libxinerama-dev libxi-dev libxext-dev libxfixes-dev libgl1-mesa-dev libglu-dev
-
-    - name: Install CUDA (via NVIDIA's repo)
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y gnupg software-properties-common wget
-        wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2404/x86_64/cuda-keyring_1.1-1_all.deb
-        sudo dpkg -i cuda-keyring_1.1-1_all.deb
-        sudo apt-get update
-        sudo apt-get install -y cuda-compiler-13-0
-
-    - name: Add CUDA to PATH
-      run: |
-        echo "/usr/local/cuda/bin" >> $GITHUB_PATH
-        echo "LD_LIBRARY_PATH=/usr/local/cuda/lib64:$LD_LIBRARY_PATH" >> $GITHUB_ENV
-
     - name: Bootstrap vcpkg
+      shell: pwsh
       run: |
-        pushd external/vcpkg
-        ./bootstrap-vcpkg.sh -disableMetrics
-        popd
+        Push-Location external/vcpkg
+        .\bootstrap-vcpkg.bat -disableMetrics
+        Pop-Location
 
-    - name: Configure CMake (mit vcpkg Manifest-Mode)
-      run: >
-        cmake -S . -B build
-        -DCMAKE_TOOLCHAIN_FILE=external/vcpkg/scripts/buildsystems/vcpkg.cmake
-        -DCMAKE_BUILD_TYPE=Release
-        -DCMAKE_CUDA_COMPILER=/usr/local/cuda/bin/nvcc
+    - name: Configure CMake
+      shell: pwsh
+      run: cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE="external\vcpkg\scripts\buildsystems\vcpkg.cmake" -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} -DCMAKE_CUDA_COMPILER=nvcc
 
     - name: Build
+      shell: pwsh
       run: cmake --build build -j32

.github/workflows/ubuntu-ci.yml

@@ -18,7 +18,7 @@ jobs:
     # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
     # You can convert this to a matrix build if you need cross-platform coverage.
     # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
-    runs-on: self-hosted
+    runs-on: [self-hosted, Linux]
 
     steps:
     - uses: actions/checkout@v4

.github/workflows/windows-ci.yml

@@ -0,0 +1,48 @@
+name: CMake (Windows)
+
+on:
+  push:
+    branches: [ develop ]
+  pull_request:
+    branches: [ develop ]
+
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: Release
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  MCP_AUTH_TOKEN: ${{ secrets.MCP_AUTH_TOKEN }}
+
+jobs:
+  build:
+    # The CMake configure and build commands are platform agnostic and should work equally well on Windows or Mac.
+    # You can convert this to a matrix build if you need cross-platform coverage.
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/learn-github-actions/managing-complex-workflows#using-a-build-matrix
+    runs-on: [self-hosted, Windows]
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Unshallow vcpkg submodule
+      shell: pwsh
+      run: |
+        cd external/vcpkg
+        git fetch --unshallow 2>$null; if (-not $?) { Write-Host "Already unshallowed or fetch failed (continuing)" }
+        exit 0
+
+    - name: Bootstrap vcpkg
+      shell: pwsh
+      run: |
+        Push-Location external/vcpkg
+        .\bootstrap-vcpkg.bat -disableMetrics
+        Pop-Location
+
+    - name: Configure CMake
+      shell: pwsh
+      run: cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE="external\vcpkg\scripts\buildsystems\vcpkg.cmake" -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} -DCMAKE_CUDA_COMPILER=nvcc
+
+    - name: Build
+      shell: pwsh
+      run: cmake --build build -j32