WIP mesa build job

Change-Id: I8836241789d7f54f7e2a3d885b7bd9c83a747893

.github/workflows/build-mesa.yml

@@ -0,0 +1,47 @@
+name: Build Mesa
+on: [push,workflow_dispatch]
+
+jobs:
+  build:
+    name: Build ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-20.04, macos-latest, windows-2019]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: false
+      - name: Setup Ninja
+        uses: ./.github/actions/setup-ninja
+      - name: Fetch sources
+        run: |
+          git clone -b main depth 1 https://gitlab.freedesktop.org/mesa/mesa.git mesa
+      - name: Setup ccache
+        uses: hendrikmuhs/[email protected]
+        with:
+          variant: sccache
+          key: ${{ matrix.os }}-mesa
+      - name: Configure
+        shell: bash
+        run: |
+          meson setup -Dvulkan-drivers='swrast' -Dintel-clc=system -Dopengl=false -Dgles1=false -Dgles2=false -Dgallium-drivers='llvmpipe' build
+      - name: Build
+        run: |
+          ninja -C build
+      #- name: Compose artifact path
+      #  shell: bash
+      #  run: |
+      #      if [ "$RUNNER_OS" == "Windows" ]; then
+      #        echo "artifact-dir=Windows" >> $GITHUB_ENV
+      #      elif [ "$RUNNER_OS" == "macOS" ]; then
+      #        echo "artifact-dir=Darwin" >> $GITHUB_ENV
+      #      else
+      #        echo "artifact-dir=Linux" >> $GITHUB_ENV
+      #      fi
+      #- uses: actions/upload-artifact@v4
+      #  with:
+      #    name: mesa-${{ runner.os }}
+      #    path: ./build/${{ env.artifact-dir }}