build-dxc.sh - mozsearch

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#!/bin/bash

set -x -e -v

# This script is for building the DirectX Shader Compiler (DXC).

# It takes the target CPU architecture as parameter ("x86_64" or "aarch64").

export MOZ_DXC_TARGET_ARCH=$1

export VSINSTALLDIR="$MOZ_FETCHES_DIR/vs"

# Detect a windows SDK version by looking at the directory names in

# "Windows Kits/10/Include/". At the time of writing this comment, there

# is one, but we pick the first result in alphabetical order in to reduce

# the risk of breakage if the vs-toolchain job changes.

export MOZ_DXC_WIN10_SDK_VERSION=`ls "$VSINSTALLDIR/Windows Kits/10/Include/" | sort | head -n 1`

artifact=$(basename "$TOOLCHAIN_ARTIFACT")

dxc_folder=${artifact%.tar.*}

dxc_src_dir="$MOZ_FETCHES_DIR/DirectXShaderCompiler"

cd "$dxc_src_dir"

# Configure and build.

dxc_build_dir="$dxc_src_dir/build"

mkdir "$dxc_build_dir"

cd "$dxc_build_dir"

# Note: it is important that LLVM_ENABLE_ASSERTIONS remains enabled.

cmake .. \

  -C ../cmake/caches/PredefinedParams.cmake \

  -DCMAKE_TOOLCHAIN_FILE=../cmake/platforms/WinMsvc.cmake \

  -DHOST_ARCH="$MOZ_DXC_TARGET_ARCH" \

  -DCMAKE_BUILD_TYPE=Release \

  -DLLVM_DISABLE_ASSEMBLY_FILES=ON \

  -DLLVM_NATIVE_TOOLCHAIN="$MOZ_FETCHES_DIR/clang" \

  -DLLVM_WINSYSROOT="$VSINSTALLDIR" \

  -DDIASDK_INCLUDE_DIR="$VSINSTALLDIR/DIA SDK/include" \

  -DWIN10_SDK_PATH="$VSINSTALLDIR/Windows Kits/10" -DWIN10_SDK_VERSION="$MOZ_DXC_WIN10_SDK_VERSION" \

  -DCMAKE_RC_COMPILER="$MOZ_FETCHES_DIR/clang/bin/llvm-rc" \

  -DHLSL_INCLUDE_TESTS=OFF -DCLANG_INCLUDE_TESTS=OFF -DLLVM_INCLUDE_TESTS=OFF \

  -DHLSL_BUILD_DXILCONV=OFF -DSPIRV_WERROR=OFF \

  -DENABLE_SPIRV_CODEGEN=OFF \

  -DLLVM_ENABLE_ASSERTIONS=ON \

  -DLLVM_ASSERTIONS_NO_STRINGS=ON \

  -DLLVM_ASSERTIONS_TRAP=ON \

  -DDXC_CODEGEN_EXCEPTIONS_TRAP=ON \

  -DDXC_DISABLE_ALLOCATOR_OVERRIDES=ON \

  -G Ninja

# Only build the required target.

# NOTE: This builds `dxcompiler.pdb`, too.

ninja dxcompiler.dll

# Pack the result and upload.

mkdir "$dxc_folder"

cp bin/dxcompiler.dll bin/dxcompiler.pdb "$dxc_folder"

mkdir -p "$UPLOAD_DIR"

tar cavf "$UPLOAD_DIR/$artifact" "$dxc_folder"

cd "$GECKO_PATH"

# Create a directory for `*.sym` files of the form `…/<bin>/<hash>/<bin>.sym`.

symbols_dir="$dxc_build_dir/sym"

bin_dir="$dxc_build_dir/bin"

./mach python toolkit/crashreporter/tools/symbolstore.py \

  "$MOZ_FETCHES_DIR/dump_syms/dump_syms" \

  --platform "WINNT" \

  --no-rust \

  --no-moz-extra-info \

  "$symbols_dir" \

  "$bin_dir/dxcompiler.dll"

  # NOTE: `dll` is not a typo. `symbolstore.py` will find the `pdb` based on this name.

# Upload a symbols tarball to this job's artifacts.

symbols_archive="$UPLOAD_DIR/target.crashreporter-symbols-dxc.tar.zst"

cd "$symbols_dir"

tar cavf "$symbols_archive" *

cd -