#=========================== begin_copyright_notice ============================
#
# Copyright (C) 2022 Intel Corporation
#
# SPDX-License-Identifier: MIT
#
#============================ end_copyright_notice =============================

name: Build IGC

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

permissions: read-all

jobs:
  download-OpenCL-Clang: # openCL Clang is downloaded from intel/intel-graphics-compiler releases
    if: github.repository == 'intel/intel-graphics-compiler'
    runs-on: ubuntu-latest
    env:
      CLANG_CACHE_VALID: true
      CLANG_CACHE_KEY: none
      ORIGINAL_CLANG_CACHE_KEY: none
    outputs:
      CLANG_CACHE_KEY: ${{ env.CLANG_CACHE_KEY }}
    steps:
      - uses: oprypin/find-latest-tag@v1
        with:
          repository: intel/intel-graphics-compiler
          releases-only: true
        id: get-latest-IGC-release-tag
      - name: set initial cache key
        run: |
          LOC_CLANG_CACHE_KEY="${{ steps.get-latest-IGC-release-tag.outputs.tag }}"
          echo "CLANG_CACHE_KEY=$LOC_CLANG_CACHE_KEY" >> $GITHUB_ENV
          echo "ORIGINAL_CLANG_CACHE_KEY=$LOC_CLANG_CACHE_KEY" >> $GITHUB_ENV
      - name: caching downloaded OpenCL Clang # Downloading a new OpenCL Clang only after the new IGC is released
        id: cache-igc-release
        uses: actions/cache@v3
        with:
          path: ./igc-official-release
          key: ${{ env.CLANG_CACHE_KEY }}
      - name: checking for valid cache hit
        if: steps.cache-igc-release.outputs.cache-hit == 'true'
        run: |
         if [[ $(ls ./igc-official-release | wc -c)  == "0" ]]; then
           echo "CLANG_CACHE_VALID=false" >> $GITHUB_ENV
           echo "CLANG_CACHE_KEY=${{ steps.get-latest-IGC-release-tag.outputs.tag }}-${{ github.sha }}-${{ github.run_id }}-${{ github.run_attempt }}" >> $GITHUB_ENV
         fi
      - name: creating a folder for downloaded deb files
        if: ${{ steps.cache-igc-release.outputs.cache-hit != 'true' || env.CLANG_CACHE_VALID != 'true' }}
        run: mkdir -p igc-official-release
      - name: download latest igc release
        if:  ${{ steps.cache-igc-release.outputs.cache-hit != 'true' || env.CLANG_CACHE_VALID != 'true' }}
        working-directory: ./igc-official-release
        # To install openCL clang from Deb package, IGC must also be installed. Therefore, the last IGC release is also downloaded.
        run: curl -s https://api.github.com/repos/intel/intel-graphics-compiler/releases/latest | grep browser_download_url | egrep 'opencl-|core-' | cut -d '"' -f 4 | wget -qi -
      - name: checking if downloaded deb files are here
        run: |
          ls ./igc-official-release
          if [[ $(ls ./igc-official-release | wc -c) == "0" ]]; then
            exit 1
          fi
      - name: force redownload if invalid cache
        if: env.CLANG_CACHE_VALID != 'true'
        id: force-redownload
        uses: actions/cache@v3
        with:
          path: ./igc-official-release
          key: ${{ env.CLANG_CACHE_KEY }}
          restore-keys: ${{ env.ORIGINAL_CLANG_CACHE_KEY }}

  build-SPIRV-LLVM-Translator:
    if: github.repository == 'intel/intel-graphics-compiler'
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        ubuntu_version: [ '24.04' ]
        llvm_ver: [ 15 ]

    steps:
      - uses: actions/checkout@v3
      - name: cloning SPIRV-LLVM-Translator repository
        run: git clone --branch llvm_release_${{ matrix.llvm_ver }}0 https://github.com/KhronosGroup/SPIRV-LLVM-Translator
      - name: getting latest commit hash from SPIRV-LLVM-Translator repository
        id: SPIRV-LLVM-Translator-hash
        working-directory: ./SPIRV-LLVM-Translator
        run: |
          SPIRV_TRANSLATOR_SHA_SHORT=$(git log -1 --pretty=format:"%h")
          echo "This is SPIRV-LLVM-Translator repository latest commit hash = ${SPIRV_TRANSLATOR_SHA_SHORT}"
          echo "spirv_translator_sha_short=$SPIRV_TRANSLATOR_SHA_SHORT" >> $GITHUB_OUTPUT
      - name: caching SPIRV-LLVM-Translator deb files
        id: cache-spirv-llvm-translator
        uses: actions/cache@v3
        with:
          path: ./build-SPIRV-LLVM-Translator
          key: ${{ steps.SPIRV-LLVM-Translator-hash.outputs.spirv_translator_sha_short }}-ubuntu${{ matrix.ubuntu_version }}-llvm${{ matrix.llvm_ver }}
      - name: run Docker
        if: steps.cache-spirv-llvm-translator.outputs.cache-hit != 'true'
        run: |
          docker run --name=buildslt \
            -v $(pwd)/scripts/buildSLT.sh:/buildSLT.sh \
            --env DEBIAN_FRONTEND="noninteractive" \
            --env UBUNTU_VERSION=${{ matrix.ubuntu_version }} \
            --env LLVM_VERSION=${{ matrix.llvm_ver }} \
            ubuntu:${{ matrix.ubuntu_version }} \
            sh /buildSLT.sh
      - name: creating folders to store SPIRV-LLVM-Translator build outputs
        if: steps.cache-spirv-llvm-translator.outputs.cache-hit != 'true'
        run: mkdir build-SPIRV-LLVM-Translator && mkdir temp-SPIRV-LLVM-Translator-build
      - name: copying artifact from docker to github host
        if: steps.cache-spirv-llvm-translator.outputs.cache-hit != 'true'
        run: sudo docker cp buildslt:/SPIRV-LLVM-Translator/build ./temp-SPIRV-LLVM-Translator-build
      - name: copy deb file to main artifact folder
        if: steps.cache-spirv-llvm-translator.outputs.cache-hit != 'true'
        run: sudo cp ./temp-SPIRV-LLVM-Translator-build/build/*.deb ./build-SPIRV-LLVM-Translator

  build-IGC:
    needs: [build-SPIRV-LLVM-Translator, download-OpenCL-Clang]
    if: github.repository == 'intel/intel-graphics-compiler'
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        ubuntu_version: [ '24.04' ]
        llvm_ver: [ 15 ]
        compiler: [ gcc, clang ]
    steps:
      - uses: actions/checkout@v3

#Get OpenCL Clang
      - uses: oprypin/find-latest-tag@v1
        with:
          repository: intel/intel-graphics-compiler
          releases-only: true
        id: get-latest-IGC-release-tag
      - name: getting OpenCL Clang from cache from the previous job
        id: cache-igc-release
        uses: actions/cache@v3
        with:
          path: ./igc-official-release
          key: ${{ needs.download-OpenCL-Clang.outputs.CLANG_CACHE_KEY }}
      - name: checking if deb files are here
        run: |
          ls ./igc-official-release
          if [[ $(ls ./igc-official-release | wc -c) == "0" ]]; then
            exit 1
          fi
#Get SPIRV-LLVM-Translator
      - name: cloning SPIRV-LLVM-Translator repository
        run: git clone --branch llvm_release_${{ matrix.llvm_ver }}0 https://github.com/KhronosGroup/SPIRV-LLVM-Translator
      - name: getting latest commit hash from SPIRV-LLVM-Translator repository
        id: SPIRV-LLVM-Translator-hash
        working-directory: ./SPIRV-LLVM-Translator
        run: |
          SPIRV_TRANSLATOR_SHA_SHORT=$(git log -1 --pretty=format:"%h")
          echo "This is SPIRV-LLVM-Translator hash = ${SPIRV_TRANSLATOR_SHA_SHORT}"
          echo "spirv_translator_sha_short=$SPIRV_TRANSLATOR_SHA_SHORT" >> $GITHUB_OUTPUT
      - name: getting SPIRV-LLVM-Translator deb files from cache from the previous job
        id: cache-spirv-llvm-translator
        uses: actions/cache@v3
        with:
          path: ./build-SPIRV-LLVM-Translator
          key: ${{ steps.SPIRV-LLVM-Translator-hash.outputs.spirv_translator_sha_short }}-ubuntu${{ matrix.ubuntu_version }}-llvm${{ matrix.llvm_ver }}

#Build IGC
      - name:  Checkout IGC sources
        uses: actions/checkout@v3
        with:
          path: workspace/igc
      - name: Checkout vc-intrinsics sources
        uses: actions/checkout@v3
        with:
          repository: intel/vc-intrinsics
          ref: master
          path: workspace/vc-intrinsics
      - name:  Checkout SPIRV-Headers sources
        uses: actions/checkout@v3
        with:
          repository: KhronosGroup/SPIRV-Headers
          ref: main
          path: workspace/SPIRV-Headers
      - name:  Checkout the SPIRV-Headers
        uses: actions/checkout@v3
        with:
          repository: KhronosGroup/SPIRV-Tools
          ref: main
          path: workspace/SPIRV-Tools
      - name: get short hash
        id: igc-current-short-Hash
        run: echo "sha_short=${GITHUB_SHA::7}" >> $GITHUB_OUTPUT
      - name: run Docker
        run: |
          docker run --name=buildigc \
            -v $(pwd)/scripts/buildIGC.sh:/buildIGC.sh \
            -v $(pwd)/igc-official-release:/igc-official-release \
            -v $(pwd)/build-SPIRV-LLVM-Translator:/build-SPIRV-LLVM-Translator \
            -v $(pwd)/workspace:/workspace \
            --env DEBIAN_FRONTEND="noninteractive" \
            --env UBUNTU_VERSION=${{ matrix.ubuntu_version }} \
            --env LLVM_VERSION=${{ matrix.llvm_ver }} \
            --env COMPILER=${{ matrix.compiler }} \
            --env IGC_SHA=${{ steps.igc-current-short-Hash.outputs.sha_short }} \
            ubuntu:${{ matrix.ubuntu_version }} \
            sh /buildIGC.sh
      - name: creating folder to store output artifacts
        run: mkdir Artifacts
      - name: copying artifact from docker to github host
        run: sudo docker cp buildigc:/workspace/igc/build/DEB-FILES ./Artifacts
      - uses: actions/upload-artifact@v4
        with:
          name: IGC_Ubuntu${{ matrix.ubuntu_version }}_llvm${{ matrix.llvm_ver }}_${{ matrix.compiler }}-${{ steps.igc-current-short-Hash.outputs.sha_short }}
          path: ./Artifacts/DEB-FILES/*.deb
          retention-days: 30