|  | # Copyright 2020 The IREE Authors | 
|  | # | 
|  | # Licensed under the Apache License v2.0 with LLVM Exceptions. | 
|  | # See https://llvm.org/LICENSE.txt for license information. | 
|  | # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  |  | 
|  | # An image for building IREE in RBE's remmote execution environments. | 
|  | # The parent image requires gcloud authorization to download (run | 
|  | # `gcloud auth configure-docker`) | 
|  |  | 
|  | # Note that this doesn't reuse anything from our other docker images because it | 
|  | # is based on Ubuntu 16.04, which is the only image that RBE provides toolchains | 
|  | # for. There are also Ubuntu 18.04 images, but we'd have to construct all our | 
|  | # own toolchains. | 
|  |  | 
|  | ######################## Install Swiftshader ################################### | 
|  | # Ubuntu 16.04 | 
|  | FROM ubuntu@sha256:3355b6e4ba1b12071ba5fe9742042a2f10b257c908fbdfac81912a16eb463879 AS install-swiftshader | 
|  | WORKDIR /install-swiftshader | 
|  |  | 
|  | RUN apt-get update && apt-get install -y wget | 
|  |  | 
|  | ARG CMAKE_VERSION=3.13.5 | 
|  | # Install CMake v3.13, which is ahead of apt-get's version (3.10.2). | 
|  | RUN wget "https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION?}/cmake-${CMAKE_VERSION?}-Linux-x86_64.sh" \ | 
|  | && chmod +x "./cmake-${CMAKE_VERSION?}-Linux-x86_64.sh" \ | 
|  | && "./cmake-${CMAKE_VERSION?}-Linux-x86_64.sh" --skip-license --prefix=/usr/ \ | 
|  | && rm "./cmake-${CMAKE_VERSION?}-Linux-x86_64.sh" | 
|  |  | 
|  | RUN apt-get update && apt-get install -y \ | 
|  | clang \ | 
|  | git \ | 
|  | ninja-build \ | 
|  | python3 \ | 
|  | zlib1g-dev | 
|  |  | 
|  | ARG SWIFTSHADER_COMMIT=755b78dc66b2362621a78b6964a9df3af94e960c | 
|  |  | 
|  | RUN git clone https://github.com/google/swiftshader | 
|  | RUN cd swiftshader && git checkout "${SWIFTSHADER_COMMIT?}" && cd .. | 
|  | # Only build SwiftShader Vulkan ICD. | 
|  | RUN cmake -S swiftshader/ -B build-swiftshader/ \ | 
|  | -GNinja \ | 
|  | -DSWIFTSHADER_BUILD_VULKAN=ON \ | 
|  | -DSWIFTSHADER_BUILD_EGL=OFF \ | 
|  | -DSWIFTSHADER_BUILD_GLESv2=OFF \ | 
|  | -DSWIFTSHADER_BUILD_GLES_CM=OFF \ | 
|  | -DSWIFTSHADER_BUILD_PVR=OFF \ | 
|  | -DSWIFTSHADER_BUILD_TESTS=OFF | 
|  | RUN cmake --build build-swiftshader/ \ | 
|  | --config Release \ | 
|  | --target vk_swiftshader | 
|  |  | 
|  | # Copy the ICD JSON and .so to a known place. | 
|  | RUN cp -rf build-swiftshader/Linux /swiftshader | 
|  | # Keep track of the commit we are using. | 
|  | RUN echo "${SWIFTSHADER_COMMIT?}" > /swiftshader/git-commit | 
|  |  | 
|  | ######################## Final Image ########################################### | 
|  | FROM gcr.io/cloud-marketplace/google/rbe-ubuntu16-04@sha256:1a8ed713f40267bb51fe17de012fa631a20c52df818ccb317aaed2ee068dfc61 AS final | 
|  |  | 
|  | ######################## Vulkan SDK ############################################ | 
|  |  | 
|  | ARG VULKAN_SDK_VERSION=1.2.154.0 | 
|  |  | 
|  | COPY --from=gcr.io/iree-oss/vulkan@sha256:5812ee64806a7f3df0739ccf0930c27cabce346901488eceb1ee66c9c0a5ae96 /opt/vulkan-sdk/ /opt/vulkan-sdk/ | 
|  |  | 
|  | ENV VULKAN_SDK="/opt/vulkan-sdk/${VULKAN_SDK_VERSION}/x86_64" | 
|  |  | 
|  | ENV PATH="${VULKAN_SDK}/bin:$PATH" | 
|  |  | 
|  | # Symlink the Vulkan loader to a system library directory. This is needed to | 
|  | # allow Vulkan applications to find the Vulkan loader. It also avoids using | 
|  | # LD_LIBRARY_PATH, which is not supported well by Docker. | 
|  | RUN ln -s "${VULKAN_SDK}/lib/libvulkan.so" /usr/lib/x86_64-linux-gnu/ \ | 
|  | && ln -s "${VULKAN_SDK}/lib/libvulkan.so.1" /usr/lib/x86_64-linux-gnu/ | 
|  |  | 
|  | ######################## Swiftshader ########################################### | 
|  | COPY --from=install-swiftshader /swiftshader /swiftshader | 
|  | # Set VK_ICD_FILENAMES so Vulkan loader can find the SwiftShader ICD. | 
|  | ENV VK_ICD_FILENAMES /swiftshader/vk_swiftshader_icd.json | 
|  |  | 
|  |  | 
|  | ######################## LibXML2 for LLD ####################################### | 
|  | RUN apt-get update && apt-get install -y libxml2-dev |