name: actions
on: [push, pull_request]
jobs:
  build-codegen:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Compile Code Generator
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --manifest-path codegen/Cargo.toml
      - uses: actions/upload-artifact@v2
        with:
          name: codegen-linux-bin
          path: codegen/target/debug/codegen
  run-codegen:
    needs: build-codegen
    runs-on: ubuntu-latest
    strategy:
      matrix:
        algebra:
          - name: complex
            descriptor: "complex:-1;Scalar:1;MultiVector:1,e0"
          - name: ppga2d
            descriptor: "ppga2d:0,1,1;Scalar:1;MultiVector:1,e12,e1,e2|e0,e012,e01,-e02;Rotor:1,e12;Point:e12,e01,-e02;Plane:e0,e2,e1;Translator:1,e01,-e02;Motor:1,e12,e01,-e02;MotorDual:e012,e0,e2,e1"
          - name: ppga3d
            descriptor: "ppga3d:0,1,1,1;Scalar:1;MultiVector:1,e23,-e13,e12|e0,-e023,e013,-e012|e123,e1,e2,e3|e0123,e01,e02,e03;Rotor:1,e23,-e13,e12;Point:e123,-e023,e013,-e012;Plane:e0,e1,e2,e3;Line:e01,e02,e03|e23,-e13,e12;Translator:1,e01,e02,e03;Motor:1,e23,-e13,e12|e0123,e01,e02,e03;PointAndPlane:e123,-e023,e013,-e012|e0,e1,e2,e3"
    steps:
      - uses: actions/download-artifact@v2
        with:
          name: codegen-linux-bin
          path: codegen
      - run: chmod +x codegen/codegen
      - run: mkdir src
      - name: Generate Source Code
        working-directory: codegen
        run: ./codegen "${{ matrix.algebra.descriptor }}"
      - uses: actions/upload-artifact@v2
        with:
          name: lib-src
          path: src/${{ matrix.algebra.name }}.*
  test-rust:
    needs: run-codegen
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target:
          - triple: i686-unknown-linux-gnu
            toolchain: stable
          - triple: x86_64-unknown-linux-gnu
            toolchain: stable
          # - triple: arm-unknown-linux-gnueabihf
          #   toolchain: nightly
          #   rustflags: -C target-feature=+neon
          - triple: aarch64-unknown-linux-gnu
            toolchain: nightly
          - triple: wasm32-unknown-unknown
            toolchain: nightly
            rustflags: --cfg=web_sys_unstable_apis -C target-feature=+simd128
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - uses: actions/download-artifact@v2
        with:
          name: lib-src
          path: src
      - name: Install Dependencies
        uses: actions-rs/toolchain@v1
        with:
          target: ${{ matrix.target.triple }}
          toolchain: ${{ matrix.target.toolchain }}
          override: true
      - name: Cross Compile Rust
        uses: actions-rs/cargo@v1
        env:
          RUSTFLAGS: ${{ matrix.target.rustflags }}
        with:
          command: build
          args: --target ${{ matrix.target.triple }}
  test-glsl:
    needs: run-codegen
    runs-on: ubuntu-latest
    steps:
      - uses: actions/download-artifact@v2
        with:
          name: lib-src
          path: src
      - name: Install Dependencies
        run: |
          curl -GO https://storage.googleapis.com/shaderc/artifacts/prod/graphics_shader_compiler/shaderc/linux/continuous_clang_release/357/20210315-190728/install.tgz
          tar -xzf install.tgz install/bin/glslc
      - name: Validate GLSL
        run: |
          printf "#version 460\nvoid main() {}\n" > frame.glsl
          find src/*.glsl | while read line;
            do cat frame.glsl $line | install/bin/glslc -fshader-stage=comp -
          done