name: CI

on:
  push:
    branches: [master, staging]
    tags: [v0.*]
  pull_request:

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        include:
          # Windows
          - name: Windows x86_64
            os: windows-2019
            channel: stable
            target: x86_64-pc-windows-msvc
            kind: test
          
          # MacOS

          # Mac has no software runners, so don't run tests
          - name: MacOS x86_64
            os: macos-10.15
            channel: stable
            target: x86_64-apple-darwin
            kind: compile

          
          # IOS
          - name: IOS aarch64
            os: macos-10.15
            channel: stable
            target: aarch64-apple-ios
            kind: compile


          # Linux
          - name: Linux x86_64
            os: ubuntu-20.04
            channel: stable
            target: x86_64-unknown-linux-gnu
            kind: test

          - name: Linux Nightly x86_64
            os: ubuntu-20.04
            channel: nightly
            target: x86_64-unknown-linux-gnu
            kind: compile

          
          # Android
          - name: Android aarch64
            os: ubuntu-20.04
            channel: stable
            target: aarch64-linux-android
            kind: compile

          
          # WebGPU/WebGL
          - name: WebAssembly
            os: ubuntu-20.04
            channel: stable
            target: wasm32-unknown-unknown
            kind: webgl

    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}

    env:
      PKG_CONFIG_ALLOW_CROSS: 1 # allow android to work
      RUSTFLAGS: --cfg=web_sys_unstable_apis
      RUSTDOCFLAGS: -Dwarnings

    steps:
      - name: checkout repo
        uses: actions/checkout@v2

      - name: install rust
        uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.channel }}
          target: ${{ matrix.target }}
          override: true
          profile: minimal
          components: clippy

      - name: add android apk to path
        if: matrix.os == 'ubuntu-20.04' && matrix.target == 'aarch64-linux-android'
        run: |
          echo "$ANDROID_HOME/ndk-bundle/toolchains/llvm/prebuilt/linux-x86_64/bin" >> $GITHUB_PATH

      - name: install llvmpipe and lavapipe
        if: matrix.os == 'ubuntu-20.04' && matrix.kind == 'test'
        run: |
          echo "Installing Vulkan"
          sudo apt-get update -y -qq
          sudo add-apt-repository ppa:ubuntu-x-swat/updates -y
          sudo apt-get update
          sudo apt install -y libxcb-xfixes0-dev mesa-vulkan-drivers

      - name: load cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
            target
          key: ${{ matrix.name }}-cargo-${{ hashFiles('**/Cargo.lock') }}
          restore-keys: |
            ${{ matrix.name }}-cargo-

      # This is separate for now because webgl isn't hooked up so we can't compile wgpu-core for wasm
      - name: check web
        if: matrix.kind == 'webgl'
        run: |
          cargo clippy --target ${{ matrix.target }} -p wgpu -- -D warnings

          # build docs
          cargo doc --target ${{ matrix.target }} -p wgpu --no-deps

      - name: check native stable (fatal warnings)
        if: (matrix.kind == 'compile' || matrix.kind == 'test') && matrix.channel == 'stable'
        run: |
          # check with no features
          cargo clippy --target ${{ matrix.target }} -p wgpu -p wgpu-core -p wgpu-info -p player -- -D warnings

          # check with all features
          # explicitly don't mention wgpu-hal so that --all-features don't apply to it
          cargo clippy --target ${{ matrix.target }} -p wgpu -p wgpu-core -p wgpu-info -p player --examples --tests --all-features -- -D warnings 

          # build docs
          cargo doc --target ${{ matrix.target }} --no-deps
          cargo doc --target ${{ matrix.target }} -p wgpu -p wgpu-core -p wgpu-info -p player --all-features --no-deps

      - name: check native nightly (non-fatal warnings)
        if: (matrix.kind == 'compile' || matrix.kind == 'test') && matrix.channel != 'stable'
        run: |
          # check with no features
          cargo clippy --target ${{ matrix.target }} -p wgpu -p wgpu-core -p wgpu-info -p player

          # check with all features
          # explicitly don't mention wgpu-hal so that --all-features don't apply to it
          cargo clippy --target ${{ matrix.target }} -p wgpu -p wgpu-core -p wgpu-info -p player --examples --tests --all-features

      - name: build tests
        if: matrix.kind == 'test'
        run: |
          cargo build --target ${{ matrix.target }} --bin wgpu-info 
          cargo build --target ${{ matrix.target }} --tests -p player
          cargo build --target ${{ matrix.target }} --examples --tests -p wgpu

      - name: tests
        if: matrix.kind == 'test' && matrix.os == 'windows-2019'
        run: |
          # run wgpu-info
          cargo run --target ${{ matrix.target }} --bin wgpu-info
        
          # run player tests
          cargo test --target ${{ matrix.target }} -p player -- --nocapture

          # run coretests
          cargo run --target ${{ matrix.target }} --bin wgpu-info -- cargo test --target ${{ matrix.target }} -p wgpu --no-fail-fast -- --nocapture --test-threads=1 # GLES is currently non-multithreadable

  fmt:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - name: checkout repo
        uses: actions/checkout@v2

      - name: install rust
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
          components: rustfmt

      - name: run rustfmt
        run: |
          cargo fmt -- --check