add windows test

Author: gletort

.github/workflows/cross-platform.yml

@@ -15,8 +15,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        #os: [ubuntu-latest, windows-latest, macos-latest]
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        #os: [ubuntu-latest, macos-latest]
         #os: [debian-latest]
         python-version: ["3.10", "3.12"]
         #python-version: ["3.12"]
@@ -32,6 +32,13 @@ jobs:
       # these libraries enable testing on Qt on linux
       - uses: tlambert03/setup-qt-libs@v1
 
+      # strategy borrowed from vispy for installing opengl libs on windows
+      - name: Install Windows OpenGL
+        if: runner.os == 'Windows'
+        run: |
+          git clone --depth 1 https://github.com/pyvista/gl-ci-helpers.git
+          powershell gl-ci-helpers/appveyor/install_opengl.ps1
+
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip