# Build Configuration for Travis CI
# https://travis-ci.org

dist: trusty
sudo: required
language: cpp

matrix:
  # Show final status immediately if a test fails.
  fast_finish: true
  allow_failures:
    - env: CHECK_COMMIT_FORMAT=ON
  include:
    # Android build.
    - os: linux
      compiler: gcc
      env: VULKAN_BUILD_TARGET=ANDROID ANDROID_TARGET=android-23 ANDROID_ABI=armeabi-v7a
    # Android 64-bit build.
    - os: linux
      compiler: gcc
      env: VULKAN_BUILD_TARGET=ANDROID ANDROID_TARGET=android-23 ANDROID_ABI=arm64-v8a
    # Linux GCC debug build.
    - os: linux
      compiler: gcc
      env: VULKAN_BUILD_TARGET=LINUX
    # Linux clang debug build.
    - os: linux
      compiler: clang
      env: VULKAN_BUILD_TARGET=LINUX
    # Check for proper clang formatting in the pull request.
    - env: CHECK_FORMAT=ON
    # Check for proper commit message formatting for commits in PR
    - env: CHECK_COMMIT_FORMAT=ON

cache: ccache

# Use set -e so that the build fails when a command fails.
# The default action for Travis-CI is to continue running even if a command fails.
# See https://github.com/travis-ci/travis-ci/issues/1066.
# Use the YAML block scalar header (|) to allow easier multiline script coding.

before_install:
  - set -e
  - |
    if [[ "$VULKAN_BUILD_TARGET" == "LINUX" ]]; then
      # Install the appropriate Linux packages.
      sudo apt-get -qq update
      sudo apt-get -y install libxkbcommon-dev libwayland-dev libmirclient-dev libxrandr-dev libx11-xcb-dev
    fi
  - |
    if [[ "$VULKAN_BUILD_TARGET" == "ANDROID" ]]; then
      # Install the Android NDK.
      export ARCH=`uname -m`
      wget http://dl.google.com/android/repository/android-ndk-r15c-linux-${ARCH}.zip
      unzip -u -q android-ndk-r15c-linux-${ARCH}.zip
      export ANDROID_NDK_HOME=`pwd`/android-ndk-r15c
      export JAVA_HOME="/usr/lib/jvm/java-8-oracle"
      export PATH="$ANDROID_NDK_HOME:$PATH"
    fi
  - |
    if [[ "$CHECK_FORMAT" == "ON" && "$TRAVIS_PULL_REQUEST" != "false" ]]; then
      # Install the clang format diff tool, but only for pull requests.
      curl -L http://llvm.org/svn/llvm-project/cfe/trunk/tools/clang-format/clang-format-diff.py -o scripts/clang-format-diff.py;
    fi
  # Misc setup
  - |
  - export core_count=$(nproc || echo 4) && echo core_count = $core_count
  - set +e

script:
  - set -e
  - |
    if [[ "$VULKAN_BUILD_TARGET" == "LINUX" ]]; then
      # Build Vulkan-Headers
      cd ${TRAVIS_BUILD_DIR}
      git clone https://github.com/KhronosGroup/Vulkan-Headers.git
      cd Vulkan-Headers
      mkdir build
      cd build
      cmake -DCMAKE_INSTALL_PREFIX=install ..
      make -j $core_count install
      cd ${TRAVIS_BUILD_DIR}
    fi
  - |
    if [[ "$VULKAN_BUILD_TARGET" == "LINUX" ]]; then
      # Build Vulkan-Loader for Vulkan-Tools
      cd ${TRAVIS_BUILD_DIR}
      git clone https://github.com/KhronosGroup/Vulkan-Loader.git
      cd Vulkan-Loader
      mkdir build
      cd build
      cmake -DCMAKE_BUILD_TYPE=Debug -DVULKAN_HEADERS_INSTALL_DIR=${TRAVIS_BUILD_DIR}/Vulkan-Headers/build/install -DCMAKE_INSTALL_PREFIX=install ..
      make -j $core_count install
      cd ${TRAVIS_BUILD_DIR}
    fi
  - |
    if [[ "$VULKAN_BUILD_TARGET" == "LINUX" ]]; then
      # Build Vulkan-Tools
      cd ${TRAVIS_BUILD_DIR}
      mkdir build
      cd build
      cmake -DCMAKE_BUILD_TYPE=Debug -DVULKAN_HEADERS_INSTALL_DIR=${TRAVIS_BUILD_DIR}/Vulkan-Headers/build/install -DVULKAN_LOADER_INSTALL_DIR=${TRAVIS_BUILD_DIR}/Vulkan-Loader/build/install ..
      make -j $core_count
      cd ${TRAVIS_BUILD_DIR}
    fi
  - |
    if [[ "$VULKAN_BUILD_TARGET" == "LINUX" ]]; then
      # Run vulkaninfo as a test
      cd ${TRAVIS_BUILD_DIR}
      cd build/vulkaninfo
      ldd vulkaninfo
      VK_ICD_FILENAMES=../icd/VkICD_mock_icd.json ./vulkaninfo
      cd ${TRAVIS_BUILD_DIR}
    fi
  - |
    if [[ "$VULKAN_BUILD_TARGET" == "ANDROID" ]]; then
      pushd ${TRAVIS_BUILD_DIR}/build-android
      ./update_external_sources_android.sh  --abi $ANDROID_ABI --no-build
      popd
      pushd ${TRAVIS_BUILD_DIR}/cube/android
      USE_CCACHE=1 NDK_CCACHE=ccache ndk-build APP_ABI=$ANDROID_ABI -j $core_count
      popd
    fi
  - |
    if [[ "$CHECK_FORMAT" == "ON" ]]; then
      if [[ "$TRAVIS_PULL_REQUEST" != "false" ]]; then
        # Run the clang format check only for pull request builds because the
        # master branch is needed to do the git diff.
        echo "Checking clang-format between TRAVIS_BRANCH=$TRAVIS_BRANCH and TRAVIS_PULL_REQUEST_BRANCH=$TRAVIS_PULL_REQUEST_BRANCH"
        ./scripts/check_code_format.sh
      else
        echo "Skipping clang-format check since this is not a pull request."
      fi
    fi
  - |
    if [[ "$CHECK_COMMIT_FORMAT" == "ON" ]]; then
      if [[ "$TRAVIS_PULL_REQUEST" != "false" ]]; then
        echo "Checking commit message formats:  See CONTRIBUTING.md"
        ./scripts/check_commit_message_format.sh
      fi
    fi
  - set +e

notifications:
  email:
    recipients:
      - karl@lunarg.com
      - cnorthrop@google.com
      - tobine@google.com
      - chrisforbes@google.com
      - shannon@lunarg.com
    on_success: change
    on_failure: always