language: cpp
os:
  - linux
  - osx
osx_image: xcode8.2

# Use Ubuntu 14.04 LTS (Trusty) as the Linux testing environment.
sudo: required
dist: trusty

# We check out glslang and SPIRV-Tools at specific revisions to avoid test output mismatches
env:
  - GLSLANG_REV=698bf7547a96b6feb7291e8ddc0d5d16475dbae2 SPIRV_TOOLS_REV=e28edd458b729da7bbfd51e375feb33103709e6f

before_script:
  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; brew install python3; fi
  - git clone https://github.com/KhronosGroup/glslang.git glslang
  - git clone https://github.com/KhronosGroup/SPIRV-Tools SPIRV-Tools
  - git clone https://github.com/KhronosGroup/SPIRV-Headers.git SPIRV-Tools/external/spirv-headers

script:
  - git -C glslang checkout $GLSLANG_REV
  - git -C SPIRV-Tools checkout $SPIRV_TOOLS_REV
  - cd glslang && cmake . && make -j2 && cd ..
  - cd SPIRV-Tools && cmake . && make -j2 && cd ..
  - make -j2
  - PATH=./glslang/StandAlone:./SPIRV-Tools/tools:$PATH
  - ./test_shaders.py shaders
  - ./test_shaders.py --msl shaders-msl
  - ./test_shaders.py --hlsl shaders-hlsl
  - ./test_shaders.py shaders --opt
  - ./test_shaders.py --msl shaders-msl --opt
  - ./test_shaders.py --hlsl shaders-hlsl --opt