Add GitHub Actions for MSVC and MSYS2

Author: scribam

.github/workflows/msvc.yml

@@ -0,0 +1,19 @@
+name: MSVC
+
+on: [ push, pull_request ]
+
+jobs:
+  build:
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [ Win32, x64, ARM64 ]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Configure CMake
+        run: |
+          $SPOUT_BUILD_ARM = ("${{ matrix.arch }}" -eq "ARM64") ? 'ON' : 'OFF'
+          cmake -B build -A ${{ matrix.arch }} -DSPOUT_BUILD_SPOUTDX=ON -DSPOUT_BUILD_ARM="$SPOUT_BUILD_ARM"
+      - name: Build
+        run: cmake --build build

.github/workflows/msys2.yml

@@ -0,0 +1,27 @@
+name: MSYS2
+
+on: [ push, pull_request ]
+
+jobs:
+  build:
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        sys: [ mingw32, mingw64, ucrt64, clang64 ]
+    defaults:
+      run:
+        shell: msys2 {0}
+    steps:
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: ${{ matrix.sys }}
+          update: true
+          pacboy:
+            cmake:p
+            toolchain:p
+      - uses: actions/checkout@v4
+      - name: Configure CMake
+        run: cmake -B build -DSPOUT_BUILD_SPOUTDX=ON
+      - name: Build
+        run: cmake --build build