Add GitHub Actions CI

.github/workflows/CI.yml

@@ -0,0 +1,55 @@
+name: CI
+
+# Controls when the action will run. 
+on:
+  # Triggers the workflow on push or pull request events
+  push:
+  pull_request:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  build:
+    strategy:
+      matrix:
+        include:
+          - name: "MoltenVK (macOS)"
+            platform: "macos"
+            scheme: "MoltenVK Package (macOS only)"
+            demos-scheme: "Cube-macOS"
+          - name: "MoltenVK (iOS)"
+            platform: "ios"
+            scheme: "MoltenVK Package (iOS only)"
+            demos-scheme: ""
+          - name: "MoltenVK (tvOS)"
+            platform: "tvos"
+            scheme: "MoltenVK Package (tvOS only)"
+            demos-scheme: ""
+      fail-fast: false
+
+    name: '${{ matrix.name }}'
+    
+    # See: https://docs.github.com/en/free-pro-team@latest/actions/reference/specifications-for-github-hosted-runners#supported-runners-and-hardware-resources
+    runs-on: macos-latest
+
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+
+      - name: Select Xcode version
+        # See: https://github.com/actions/virtual-environments/tree/main/images/macos
+        run: sudo xcode-select -switch /Applications/Xcode_12.2.app/Contents/Developer
+
+      - name: Fetch Dependencies
+        run: |
+          ./fetchDependencies -v --no-parallel-build --${{ matrix.platform }}
+
+      - name: Build MoltenVK
+        run: |
+          xcodebuild build -project MoltenVKPackaging.xcodeproj -scheme "${{ matrix.scheme }}"
+      
+      - name: Build Demos
+        if: success() && !(matrix.demos-scheme == '')
+        run: |
+          xcodebuild build -workspace Demos/Demos.xcworkspace -scheme "${{ matrix.demos-scheme }}"