angle/scripts/roll_aosp.sh

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#!/bin/bash
# Copyright The ANGLE Project Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# Generates a roll CL within the ANGLE repository of AOSP.
# exit when any command fails
set -eE -o functrace
failure() {
local lineno=$1
local msg=$2
echo "Failed at $lineno: $msg"
}
trap 'failure ${LINENO} "$BASH_COMMAND"' ERR
# Change the working directory to the ANGLE root directory
cd "${0%/*}/.."
GN_OUTPUT_DIRECTORY=out/Android
function generate_Android_bp_file() {
rm -rf ${GN_OUTPUT_DIRECTORY}
abis=(
"arm"
"arm64"
"x86"
"x64"
)
for abi in "${abis[@]}"; do
# generate gn build files and convert them to blueprints
gn_args=(
"target_os = \"android\""
"is_component_build = false"
"is_debug = false"
"dcheck_always_on = false"
"symbol_level = 0"
"angle_standalone = false"
"angle_build_all = false"
# Build for 64-bit CPUs
"target_cpu = \"$abi\""
# Target ndk API 26 to make sure ANGLE can use the Vulkan backend on Android
"android32_ndk_api_level = 26"
"android64_ndk_api_level = 26"
# Disable all backends except Vulkan
"angle_enable_vulkan = true"
"angle_enable_gl = false"
"angle_enable_d3d9 = false"
"angle_enable_d3d11 = false"
"angle_enable_null = false"
"angle_enable_metal = false"
# SwiftShader is loaded as the system Vulkan driver on Android, not compiled by ANGLE
"angle_enable_swiftshader = false"
# Disable all shader translator targets except desktop GL (for Vulkan)
"angle_enable_essl = false"
"angle_enable_glsl = false"
"angle_enable_hlsl = false"
"angle_enable_commit_id = false"
# Disable histogram/protobuf support
"angle_has_histograms = false"
# Use system lib(std)c++, since the Chromium library breaks std::string
"use_custom_libcxx = false"
# rapidJSON is used for ANGLE's frame capture (among other things), which is unnecessary for AOSP builds.
"angle_has_rapidjson = false"
)
if [[ "$1" == "--enableApiTrace" ]]; then
gn_args=(
"${gn_args[@]}"
"angle_enable_trace = true"
"angle_enable_trace_android_logcat = true"
)
fi
gn gen ${GN_OUTPUT_DIRECTORY} --args="${gn_args[*]}"
gn desc ${GN_OUTPUT_DIRECTORY} --format=json "*" > ${GN_OUTPUT_DIRECTORY}/desc.$abi.json
done
python scripts/generate_android_bp.py \
${GN_OUTPUT_DIRECTORY}/desc.arm.json \
${GN_OUTPUT_DIRECTORY}/desc.arm64.json \
${GN_OUTPUT_DIRECTORY}/desc.x86.json \
${GN_OUTPUT_DIRECTORY}/desc.x64.json > Android.bp
rm -rf ${GN_OUTPUT_DIRECTORY}
}
if [[ "$1" == "--genAndroidBp" ]];then
generate_Android_bp_file "$2"
exit 0
fi
# Check out depot_tools locally and add it to the path
DEPOT_TOOLS_DIR=_depot_tools
rm -rf ${DEPOT_TOOLS_DIR}
git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git ${DEPOT_TOOLS_DIR}
export PATH=`pwd`/${DEPOT_TOOLS_DIR}:$PATH
third_party_deps=(
"third_party/abseil-cpp"
"third_party/vulkan-deps/glslang/src"
"third_party/vulkan-deps/spirv-headers/src"
"third_party/vulkan-deps/spirv-tools/src"
"third_party/vulkan-deps/vulkan-headers/src"
"third_party/vulkan_memory_allocator"
"third_party/zlib"
)
# Only add the parts of NDK and vulkan-deps that are required by ANGLE. The entire dep is too large.
delete_only_deps=(
"third_party/vulkan-deps"
)
# Delete dep directories so that gclient can check them out
for dep in "${third_party_deps[@]}" "${delete_only_deps[@]}"; do
rm -rf "$dep"
done
# Sync all of ANGLE's deps so that 'gn gen' works
python scripts/bootstrap.py
gclient sync --reset --force --delete_unversioned_trees
generate_Android_bp_file
# Delete all unsupported 3rd party dependencies. Do this after generate_Android_bp_file, so
# it has access to all of the necessary BUILD.gn files.
unsupported_third_party_deps=(
"third_party/jdk"
"third_party/llvm-build"
"third_party/android_build_tools"
"third_party/android_sdk"
)
for unsupported_third_party_dep in "${unsupported_third_party_deps[@]}"; do
rm -rf "$unsupported_third_party_dep"
done
git add Android.bp
# Delete the .git files in each dep so that it can be added to this repo. Some deps like jsoncpp
# have multiple layers of deps so delete everything before adding them.
for dep in "${third_party_deps[@]}"; do
rm -rf "$dep"/.git
done
extra_removal_files=(
# Some third_party deps have OWNERS files which contains users that have not logged into
# the Android gerrit. Repo cannot upload with these files present.
"third_party/abseil-cpp/OWNERS"
"third_party/vulkan_memory_allocator/OWNERS"
"third_party/zlib/OWNERS"
"third_party/zlib/google/OWNERS"
"third_party/zlib/contrib/tests/OWNERS"
"third_party/zlib/contrib/bench/OWNERS"
"third_party/zlib/contrib/tests/fuzzers/OWNERS"
# Remove Android.mk files to prevent automated CLs:
# "[LSC] Add LOCAL_LICENSE_KINDS to external/angle"
"Android.mk"
"third_party/vulkan-deps/glslang/src/Android.mk"
"third_party/vulkan-deps/glslang/src/ndk_test/Android.mk"
"third_party/vulkan-deps/spirv-tools/src/Android.mk"
"third_party/vulkan-deps/spirv-tools/src/android_test/Android.mk"
)
for removal_file in "${extra_removal_files[@]}"; do
rm -f "$removal_file"
done
# Add all changes to third_party/ so we delete everything not explicitly allowed.
git add -f "third_party/*"
# Done with depot_tools
rm -rf $DEPOT_TOOLS_DIR