name: Test

on:
  push:
    branches:
      - dev
      - Feat/Backend-Direct-GLES
      - Feat/Backend-Direct-Vulkan
  workflow_dispatch:

jobs:
  build-linux:
    runs-on: ubuntu-latest
    env:
      BUILD_DIR: build-linux

    steps:
      - name: Set Swap Space
        uses: pierotofy/set-swap-space@master
        with:
          swap-size-gb: 32

      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Get CMake
        uses: lukka/get-cmake@latest

      - name: Prepare Vulkan SDK
        uses: humbletim/setup-vulkan-sdk@v1.2.1
        with:
          vulkan-query-version: 1.4.304.1
          vulkan-components: Vulkan-Headers, Vulkan-Loader
          vulkan-use-cache: true

      - name: Update glslang external sources
        working-directory: 3rdparty/glslang
        run: python update_glslang_sources.py

      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y clang-20 clang++-20 lld-20 libc++-20-dev libc++abi-20-dev libvulkan-dev libegl1-mesa-dev libgles2-mesa-dev libgl1-mesa-dri mesa-vulkan-drivers ninja-build

      - name: Show installed toolchain
        run: |
          clang-20 --version
          clang++-20 --version
          ld.lld-20 --version || ld.lld --version || true
          dpkg -l 'libc++*' 'libegl*' 'libgles*' 'mesa*' 'vulkan*' || true

      - name: Configure CMake
        run: |
          if [ "${{ secrets.ACTIONS_STEP_DEBUG }}" = "true" ]; then
            BUILD_TYPE=Debug
          else
            BUILD_TYPE=Release
          fi

          cmake -S . -B "${BUILD_DIR}" -G Ninja \
            -DCMAKE_C_COMPILER=clang-20 \
            -DCMAKE_CXX_COMPILER=clang++-20 \
            -DCMAKE_BUILD_TYPE="${BUILD_TYPE}" \
            -DMOBILEGL_LOG_ACTIVE_LEVEL=MOBILEGL_LOG_LEVEL_INFO \
            -DMOBILEGL_BUILD_TEST=ON \
            -DMOBILEGL_BUILD_BENCHMARK=ON \
            -DMOBILEGL_BUILD_TRACE_REPLAY=OFF \
            -DBENCHMARK_DOWNLOAD_DEPENDENCIES=ON \
            -DBENCHMARK_ENABLE_TESTING=OFF \
            -DCMAKE_POLICY_VERSION_MINIMUM=3.5

      - name: Build
        run: cmake --build "${BUILD_DIR}" --parallel "$(nproc)"

      - name: Package Linux runtime
        run: |
          mkdir -p ci-artifacts
          mapfile -t SHARED_LIBS < <(find "${BUILD_DIR}" -type f \( -name '*.so' -o -name '*.so.*' \) -print | sort)
          tar \
            --exclude='*/CMakeFiles' \
            --exclude='*.o' \
            --exclude='*.a' \
            --exclude='*.ninja*' \
            --exclude='build.ninja' \
            --exclude='cmake_install.cmake' \
            -czf ci-artifacts/mobilegl-linux-runtime.tgz \
            "${BUILD_DIR}/MobileGL/MG_Test" \
            "${BUILD_DIR}/MobileGL/MG_Benchmark" \
            "${SHARED_LIBS[@]}"

      - name: Upload Linux runtime
        uses: actions/upload-artifact@v4
        with:
          name: mobilegl-linux-runtime
          path: ci-artifacts/mobilegl-linux-runtime.tgz
          if-no-files-found: error

  test:
    runs-on: ubuntu-latest
    needs: build-linux

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Get CMake
        uses: lukka/get-cmake@latest

      - name: Install runtime dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y libvulkan1 libegl1 libgles2 libgl1-mesa-dri mesa-vulkan-drivers

      - name: Download Linux runtime
        uses: actions/download-artifact@v4
        with:
          name: mobilegl-linux-runtime
          path: .

      - name: Unpack Linux runtime
        run: tar -xzf mobilegl-linux-runtime.tgz

      - name: Normalize CTest command paths
        run: |
          python - <<'PY'
          from pathlib import Path
          import re

          for path in Path('build-linux').rglob('CTestTestfile.cmake'):
              text = path.read_text()
              text = re.sub(r'"[^"]*/cmake-[^"]*/bin/cmake"', '"cmake"', text)
              path.write_text(text)
          PY

      - name: Test
        working-directory: build-linux/MobileGL/MG_Test
        run: |
          if [ "${{ secrets.ACTIONS_STEP_DEBUG }}" = "true" ]; then
            ctest -V
          else
            ctest --output-on-failure
          fi

  benchmark:
    runs-on: ubuntu-latest
    needs: build-linux

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Get CMake
        uses: lukka/get-cmake@latest

      - name: Install runtime dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y libvulkan1 libegl1 libgles2 libgl1-mesa-dri mesa-vulkan-drivers

      - name: Download Linux runtime
        uses: actions/download-artifact@v4
        with:
          name: mobilegl-linux-runtime
          path: .

      - name: Unpack Linux runtime
        run: tar -xzf mobilegl-linux-runtime.tgz

      - name: Normalize CTest command paths
        run: |
          python - <<'PY'
          from pathlib import Path
          import re

          for path in Path('build-linux').rglob('CTestTestfile.cmake'):
              text = path.read_text()
              text = re.sub(r'"[^"]*/cmake-[^"]*/bin/cmake"', '"cmake"', text)
              path.write_text(text)
          PY

      - name: Benchmark
        working-directory: build-linux/MobileGL/MG_Benchmark
        run: ctest -V -C Release

  build-retrace:
    runs-on: ubuntu-latest
    needs: build-linux
    env:
      BUILD_DIR: build-retrace
      MOBILEGL_LIBRARY: ${{ github.workspace }}/build-linux/libMobileGL.so

    steps:
      - name: Set Swap Space
        uses: pierotofy/set-swap-space@master
        with:
          swap-size-gb: 32

      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          lfs: true
          submodules: recursive

      - name: Get CMake
        uses: lukka/get-cmake@latest

      - name: Prepare Vulkan SDK
        uses: humbletim/setup-vulkan-sdk@v1.2.1
        with:
          vulkan-query-version: 1.4.304.1
          vulkan-components: Vulkan-Headers, Vulkan-Loader
          vulkan-use-cache: true

      - name: Update glslang external sources
        working-directory: 3rdparty/glslang
        run: python update_glslang_sources.py

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y clang-20 clang++-20 lld-20 libc++-20-dev libc++abi-20-dev libvulkan-dev libegl1-mesa-dev libgles2-mesa-dev libgl1-mesa-dri mesa-vulkan-drivers ninja-build

      - name: Show installed toolchain
        run: |
          clang-20 --version
          clang++-20 --version
          ld.lld-20 --version || ld.lld --version || true
          dpkg -l 'libc++*' 'libegl*' 'libgles*' 'mesa*' 'vulkan*' || true

      - name: Download Linux runtime
        uses: actions/download-artifact@v4
        with:
          name: mobilegl-linux-runtime
          path: .

      - name: Unpack Linux runtime
        run: |
          tar -xzf mobilegl-linux-runtime.tgz
          test -f "${MOBILEGL_LIBRARY}"

      - name: Configure CMake
        run: |
          if [ "${{ secrets.ACTIONS_STEP_DEBUG }}" = "true" ]; then
            BUILD_TYPE=Debug
          else
            BUILD_TYPE=Release
          fi

          cmake -S . -B "${BUILD_DIR}" -G Ninja \
            -DCMAKE_C_COMPILER=clang-20 \
            -DCMAKE_CXX_COMPILER=clang++-20 \
            -DCMAKE_BUILD_TYPE="${BUILD_TYPE}" \
            -DMOBILEGL_LOG_ACTIVE_LEVEL=MOBILEGL_LOG_LEVEL_INFO \
            -DMOBILEGL_BUILD_TEST=OFF \
            -DMOBILEGL_BUILD_BENCHMARK=OFF \
            -DMOBILEGL_BUILD_TRACE_REPLAY=ON \
            -DMOBILEGL_TRACE_REPLAY_MOBILEGL_LIBRARY="${MOBILEGL_LIBRARY}" \
            -DCMAKE_POLICY_VERSION_MINIMUM=3.5

      - name: Build trace replay
        run: cmake --build "${BUILD_DIR}" --target mobilegl_trace_replay --parallel "$(nproc)"

      - name: Normalize CTest command paths
        run: |
          python - <<'PY'
          from pathlib import Path
          import re

          for path in Path('build-retrace').rglob('CTestTestfile.cmake'):
              text = path.read_text()
              text = re.sub(r'"[^"]*/cmake-[^"]*/bin/cmake"', '"cmake"', text)
              path.write_text(text)
          PY

      - name: Package trace replay
        run: |
          mkdir -p ci-artifacts
          tar -czf ci-artifacts/mobilegl-trace-replay.tgz \
            build-retrace/tools/trace_replay/mobilegl_trace_replay \
            build-retrace/tools/trace_replay/CTestTestfile.cmake

      - name: Upload trace replay
        uses: actions/upload-artifact@v4
        with:
          name: mobilegl-trace-replay
          path: ci-artifacts/mobilegl-trace-replay.tgz
          if-no-files-found: error

  retrace:
    name: retrace (${{ matrix.backend }}, ${{ matrix.case }})
    runs-on: ubuntu-latest
    needs:
      - build-linux
      - build-retrace
    strategy:
      fail-fast: false
      max-parallel: 4
      matrix:
        backend:
          - DirectGLES
          - DirectVulkan
        case:
          - OpenRA
          - minecraft-1.21.4-startup
          - minecraft-1.21.4-main-menu
          - minecraft-1.21.4-in-world
          - minecraft-1.21.4-fabric-sodium-in-world
          - minecraft-1.21.4-fabric-iris-bsl-in-world
          - minecraft-1.21.4-fabric-iris-makeup-ultrafast-in-world
          - minecraft-1.21.4-fabric-iris-super-duper-vanilla-in-world
          - minecraft-1.21.4-fabric-iris-sundial-lite-in-world
          - minecraft-1.21.4-fabric-iris-complementary-reimagined-in-world
          - minecraft-1.21.4-fabric-iris-complementary-unbound-in-world
          - minecraft-1.21.4-fabric-iris-mellow-in-world
          - minecraft-1.21.4-fabric-iris-nostalgia-in-world
          - minecraft-1.21.4-fabric-iris-bliss-in-world
          - minecraft-1.21.4-fabric-iris-chocapic-v6-lite-in-world
          - minecraft-1.21.4-fabric-iris-iterationt-in-world
          - minecraft-1.21.4-fabric-iris-iterationt-nodsa-in-world
          - minecraft-1.21.4-fabric-iris-photon-v1.1-in-world

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          lfs: true
          submodules: recursive

      - name: Get CMake
        uses: lukka/get-cmake@latest

      - name: Install runtime dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y libvulkan1 libegl1-mesa-dev libgles2-mesa-dev libgl1-mesa-dri mesa-vulkan-drivers
          test -e /usr/lib/x86_64-linux-gnu/libEGL.so
          test -e /usr/lib/x86_64-linux-gnu/libGLESv2.so

      - name: Download Linux runtime
        uses: actions/download-artifact@v4
        with:
          name: mobilegl-linux-runtime
          path: .

      - name: Download trace replay
        uses: actions/download-artifact@v4
        with:
          name: mobilegl-trace-replay
          path: .

      - name: Unpack retrace runtime
        run: |
          tar -xzf mobilegl-linux-runtime.tgz
          tar -xzf mobilegl-trace-replay.tgz
          test -f build-linux/libMobileGL.so
          test -f build-retrace/tools/trace_replay/mobilegl_trace_replay

      - name: Retrace and validate
        working-directory: build-retrace/tools/trace_replay
        run: ctest -V --no-tests=error -R '^MobileGLTraceReplay\.${{ matrix.case }}\.${{ matrix.backend }}$'

      - name: Upload actual image
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: retrace-result-${{ matrix.backend }}-${{ matrix.case }}
          path: |
            build-retrace/tools/trace_replay/${{ matrix.case }}/actual-images/**
            build-retrace/tools/trace_replay/${{ matrix.case }}/${{ matrix.backend }}/output/**
          if-no-files-found: warn