зеркало из https://github.com/AvaloniaUI/angle.git
652 строки
23 KiB
Python
652 строки
23 KiB
Python
# Copyright The ANGLE Project Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Generates an Android.bp file from the json output of a 'gn desc' command.
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# Example usage:
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# gn desc out/Android --format=json "*" > desc.json
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# python scripts/generate_android_bp.py desc.json > Android.bp
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import json
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import sys
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import re
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import os
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import argparse
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root_targets = [
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"//:libGLESv2",
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"//:libGLESv1_CM",
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"//:libEGL",
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]
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sdk_version = '28'
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stl = 'libc++_static'
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abi_arm = 'arm'
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abi_arm64 = 'arm64'
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abi_x86 = 'x86'
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abi_x64 = 'x86_64'
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abi_targets = [abi_arm, abi_arm64, abi_x86, abi_x64]
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def tabs(indent):
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return ' ' * (indent * 4)
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def has_child_values(value):
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# Elements of the blueprint can be pruned if they are empty lists or dictionaries of empty
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# lists
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if isinstance(value, list):
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return len(value) > 0
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if isinstance(value, dict):
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for (item, item_value) in value.items():
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if has_child_values(item_value):
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return True
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return False
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# This is a value leaf node
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return True
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def write_blueprint_key_value(output, name, value, indent=1):
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if not has_child_values(value):
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return
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if isinstance(value, set) or isinstance(value, list):
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value = list(sorted(set(value)))
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if isinstance(value, list):
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output.append(tabs(indent) + '%s: [' % name)
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for item in value:
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output.append(tabs(indent + 1) + '"%s",' % item)
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output.append(tabs(indent) + '],')
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return
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if isinstance(value, dict):
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if not value:
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return
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output.append(tabs(indent) + '%s: {' % name)
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for (item, item_value) in value.items():
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write_blueprint_key_value(output, item, item_value, indent + 1)
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output.append(tabs(indent) + '},')
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return
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if isinstance(value, bool):
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output.append(tabs(indent) + '%s: %s,' % (name, 'true' if value else 'false'))
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return
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output.append(tabs(indent) + '%s: "%s",' % (name, value))
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def write_blueprint(output, target_type, values):
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if target_type == 'license':
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comment = """
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// Added automatically by a large-scale-change that took the approach of
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// 'apply every license found to every target'. While this makes sure we respect
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// every license restriction, it may not be entirely correct.
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//
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// e.g. GPL in an MIT project might only apply to the contrib/ directory.
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//
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// Please consider splitting the single license below into multiple licenses,
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// taking care not to lose any license_kind information, and overriding the
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// default license using the 'licenses: [...]' property on targets as needed.
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//
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// For unused files, consider creating a 'fileGroup' with "//visibility:private"
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// to attach the license to, and including a comment whether the files may be
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// used in the current project.
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// See: http://go/android-license-faq"""
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output.append(comment)
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output.append('%s {' % target_type)
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for (key, value) in values.items():
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write_blueprint_key_value(output, key, value)
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output.append('}')
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def gn_target_to_blueprint_target(target, target_info):
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if 'output_name' in target_info:
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return target_info['output_name']
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# Split the gn target name (in the form of //gn_file_path:target_name) into gn_file_path and
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# target_name
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target_regex = re.compile(r"^//([a-zA-Z0-9\-\+_/]*):([a-zA-Z0-9\-\+_.]+)$")
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match = re.match(target_regex, target)
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assert match is not None
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gn_file_path = match.group(1)
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target_name = match.group(2)
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assert len(target_name) > 0
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# Clean up the gn file path to be a valid blueprint target name.
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gn_file_path = gn_file_path.replace("/", "_").replace(".", "_").replace("-", "_")
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# Generate a blueprint target name by merging the gn path and target so each target is unique.
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# Prepend the 'angle' prefix to all targets in the root path (empty gn_file_path).
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# Skip this step if the target name already starts with 'angle' to avoid target names such as 'angle_angle_common'.
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root_prefix = "angle"
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if len(gn_file_path) == 0 and not target_name.startswith(root_prefix):
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gn_file_path = root_prefix
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# Avoid names such as _angle_common if the gn_file_path is empty.
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if len(gn_file_path) > 0:
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gn_file_path += "_"
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return gn_file_path + target_name
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def remap_gn_path(path):
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# TODO: pass the gn gen folder as an arg so it is future proof. b/150457277
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remap_folders = [
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('out/Android/gen/angle/', ''),
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('out/Android/gen/', ''),
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]
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remapped_path = path
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for (remap_source, remap_dest) in remap_folders:
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remapped_path = remapped_path.replace(remap_source, remap_dest)
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return remapped_path
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def gn_path_to_blueprint_path(source):
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# gn uses '//' to indicate the root directory, blueprint uses the .bp file's location
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return remap_gn_path(re.sub(r'^//?', '', source))
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def gn_paths_to_blueprint_paths(paths):
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rebased_paths = []
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for path in paths:
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rebased_paths.append(gn_path_to_blueprint_path(path))
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return rebased_paths
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def gn_sources_to_blueprint_sources(sources):
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# Blueprints only list source files in the sources list. Headers are only referenced though
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# include paths.
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file_extension_allowlist = [
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'.c',
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'.cc',
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'.cpp',
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]
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rebased_sources = []
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for source in sources:
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if os.path.splitext(source)[1] in file_extension_allowlist:
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rebased_sources.append(gn_path_to_blueprint_path(source))
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return rebased_sources
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target_blockist = [
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'//build/config:shared_library_deps',
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'//third_party/vulkan-validation-layers/src:vulkan_clean_old_validation_layer_objects',
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]
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third_party_target_allowlist = [
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'//third_party/abseil-cpp',
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'//third_party/vulkan-deps',
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'//third_party/vulkan_memory_allocator',
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'//third_party/zlib',
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]
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include_blocklist = [
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'//buildtools/third_party/libc++/',
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'//out/Android/gen/third_party/vulkan-deps/glslang/src/include/',
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'//third_party/android_ndk/sources/android/cpufeatures/',
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]
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def gn_deps_to_blueprint_deps(target_info, build_info):
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static_libs = []
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shared_libs = []
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defaults = []
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generated_headers = []
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header_libs = []
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if 'deps' not in target_info:
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return static_libs, defaults
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for dep in target_info['deps']:
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if dep not in target_blockist and (not dep.startswith('//third_party') or any(
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dep.startswith(substring) for substring in third_party_target_allowlist)):
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dep_info = build_info[dep]
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blueprint_dep_name = gn_target_to_blueprint_target(dep, dep_info)
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# Depending on the dep type, blueprints reference it differently.
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gn_dep_type = dep_info['type']
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if gn_dep_type == 'static_library':
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static_libs.append(blueprint_dep_name)
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elif gn_dep_type == 'shared_library':
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shared_libs.append(blueprint_dep_name)
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elif gn_dep_type == 'source_set' or gn_dep_type == 'group':
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defaults.append(blueprint_dep_name)
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elif gn_dep_type == 'action':
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generated_headers.append(blueprint_dep_name)
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# Blueprints do not chain linking of static libraries.
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(child_static_libs, _, _, child_generated_headers, _) = gn_deps_to_blueprint_deps(
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dep_info, build_info)
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# Each target needs to link all child static library dependencies.
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static_libs += child_static_libs
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# Each blueprint target runs genrules in a different output directory unlike GN. If a
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# target depends on another's genrule, it wont find the outputs. Propogate generated
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# headers up the dependency stack.
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generated_headers += child_generated_headers
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elif dep == '//third_party/android_ndk:cpu_features':
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# chrome_zlib needs cpufeatures from the Android NDK. Rather than including the
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# entire NDK is a dep in the ANGLE checkout, use the library that's already part
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# of Android.
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dep_info = build_info[dep]
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blueprint_dep_name = gn_target_to_blueprint_target(dep, dep_info)
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static_libs.append('cpufeatures')
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return static_libs, shared_libs, defaults, generated_headers, header_libs
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def gn_libs_to_blueprint_shared_libraries(target_info):
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lib_blockist = [
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'android_support',
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'unwind',
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]
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result = []
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if 'libs' in target_info:
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for lib in target_info['libs']:
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if lib not in lib_blockist:
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android_lib = lib if '@' in lib else 'lib' + lib
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result.append(android_lib)
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return result
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def gn_include_dirs_to_blueprint_include_dirs(target_info):
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result = []
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if 'include_dirs' in target_info:
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for include_dir in target_info['include_dirs']:
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if len(include_dir) > 0 and include_dir not in include_blocklist:
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result.append(gn_path_to_blueprint_path(include_dir))
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return result
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def escape_quotes(string):
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return string.replace("\"", "\\\"").replace("\'", "\\\'")
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def gn_cflags_to_blueprint_cflags(target_info):
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result = []
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# regexs of allowlisted cflags
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cflag_allowlist = [
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r'^-Wno-.*$', # forward cflags that disable warnings
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r'-mpclmul' # forward "-mpclmul" (used by zlib)
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]
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for cflag_type in ['cflags', 'cflags_c', 'cflags_cc']:
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if cflag_type in target_info:
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for cflag in target_info[cflag_type]:
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for allowlisted_cflag in cflag_allowlist:
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if re.search(allowlisted_cflag, cflag):
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result.append(cflag)
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# Chrome and Android use different versions of Clang which support differnt warning options.
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# Ignore errors about unrecognized warning flags.
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result.append('-Wno-unknown-warning-option')
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# Override AOSP build flags to match ANGLE's CQ testing and reduce binary size
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result.append('-Os')
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result.append('-fno-unwind-tables')
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if 'defines' in target_info:
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for define in target_info['defines']:
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# Don't emit ANGLE's CPU-bits define here, it will be part of the arch-specific
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# information later
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result.append('-D%s' % escape_quotes(define))
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return result
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blueprint_library_target_types = {
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"static_library": "cc_library_static",
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"shared_library": "cc_library_shared",
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"source_set": "cc_defaults",
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"group": "cc_defaults",
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}
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def merge_bps(bps_for_abis):
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common_bp = {}
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for abi in abi_targets:
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for key in bps_for_abis[abi]:
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if isinstance(bps_for_abis[abi][key], list):
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# Find list values that are common to all ABIs
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for value in bps_for_abis[abi][key]:
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value_in_all_abis = True
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for abi2 in abi_targets:
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if key == 'defaults':
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# arch-specific defaults are not supported
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break
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value_in_all_abis = value_in_all_abis and (key in bps_for_abis[abi2].keys(
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)) and (value in bps_for_abis[abi2][key])
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if value_in_all_abis:
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if key in common_bp.keys():
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common_bp[key].append(value)
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else:
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common_bp[key] = [value]
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else:
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if 'arch' not in common_bp.keys():
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# Make sure there is an 'arch' entry to hold ABI-specific values
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common_bp['arch'] = {}
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for abi3 in abi_targets:
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common_bp['arch'][abi3] = {}
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if key in common_bp['arch'][abi].keys():
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common_bp['arch'][abi][key].append(value)
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else:
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common_bp['arch'][abi][key] = [value]
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else:
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# Assume everything that's not a list is common to all ABIs
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common_bp[key] = bps_for_abis[abi][key]
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return common_bp
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def library_target_to_blueprint(target, build_info):
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bps_for_abis = {}
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blueprint_type = ""
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for abi in abi_targets:
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if target not in build_info[abi].keys():
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bps_for_abis[abi] = {}
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continue
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target_info = build_info[abi][target]
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blueprint_type = blueprint_library_target_types[target_info['type']]
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bp = {'name': gn_target_to_blueprint_target(target, target_info)}
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if 'sources' in target_info:
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bp['srcs'] = gn_sources_to_blueprint_sources(target_info['sources'])
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(bp['static_libs'], bp['shared_libs'], bp['defaults'], bp['generated_headers'],
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bp['header_libs']) = gn_deps_to_blueprint_deps(target_info, build_info[abi])
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bp['shared_libs'] += gn_libs_to_blueprint_shared_libraries(target_info)
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bp['local_include_dirs'] = gn_include_dirs_to_blueprint_include_dirs(target_info)
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bp['cflags'] = gn_cflags_to_blueprint_cflags(target_info)
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bp['sdk_version'] = sdk_version
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bp['stl'] = stl
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if target in root_targets:
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bp['vendor'] = True
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bp['target'] = {'android': {'relative_install_path': 'egl'}}
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bps_for_abis[abi] = bp
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common_bp = merge_bps(bps_for_abis)
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return blueprint_type, common_bp
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def gn_action_args_to_blueprint_args(blueprint_inputs, blueprint_outputs, args):
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# TODO: pass the gn gen folder as an arg so we know how to get from the gen path to the root
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# path. b/150457277
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remap_folders = [
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# Specific special-cases first, since the other will strip the prefixes.
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('gen/third_party/vulkan-deps/glslang/src/include/glslang/build_info.h',
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'glslang/build_info.h'),
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('third_party/vulkan-deps/glslang/src',
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'external/angle/third_party/vulkan-deps/glslang/src'),
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('../../', ''),
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('gen/', ''),
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]
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result_args = []
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for arg in args:
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# Attempt to find if this arg is a path to one of the inputs. If it is, use the blueprint
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# $(location <path>) argument instead so the path gets remapped properly to the location
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# that the script is run from
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remapped_path_arg = arg
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for (remap_source, remap_dest) in remap_folders:
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remapped_path_arg = remapped_path_arg.replace(remap_source, remap_dest)
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if remapped_path_arg in blueprint_inputs or remapped_path_arg in blueprint_outputs:
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result_args.append('$(location %s)' % remapped_path_arg)
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elif os.path.basename(remapped_path_arg) in blueprint_outputs:
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result_args.append('$(location %s)' % os.path.basename(remapped_path_arg))
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else:
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result_args.append(remapped_path_arg)
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return result_args
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blueprint_gen_types = {
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"action": "cc_genrule",
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}
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inputs_blocklist = [
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'//.git/HEAD',
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]
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outputs_remap = {
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'build_info.h': 'glslang/build_info.h',
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}
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def is_input_in_tool_files(tool_files, input):
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return input in tool_files
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def action_target_to_blueprint(target, build_info):
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target_info = build_info[target]
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blueprint_type = blueprint_gen_types[target_info['type']]
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bp = {'name': gn_target_to_blueprint_target(target, target_info)}
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# Blueprints use only one 'srcs', merge all gn inputs into one list.
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gn_inputs = []
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if 'inputs' in target_info:
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for input in target_info['inputs']:
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if input not in inputs_blocklist:
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gn_inputs.append(input)
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if 'sources' in target_info:
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gn_inputs += target_info['sources']
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# Filter out the 'script' entry since Android.bp doesn't like the duplicate entries
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if 'script' in target_info:
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gn_inputs = [
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input for input in gn_inputs
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if not is_input_in_tool_files(target_info['script'], input)
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]
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bp_srcs = gn_paths_to_blueprint_paths(gn_inputs)
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bp['srcs'] = bp_srcs
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# genrules generate the output right into the 'root' directory. Strip any path before the
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# file name.
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bp_outputs = []
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for gn_output in target_info['outputs']:
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output = os.path.basename(gn_output)
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if output in outputs_remap.keys():
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output = outputs_remap[output]
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bp_outputs.append(output)
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bp['out'] = bp_outputs
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bp['tool_files'] = [gn_path_to_blueprint_path(target_info['script'])]
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# Generate the full command, $(location) refers to tool_files[0], the script
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cmd = ['$(location)'] + gn_action_args_to_blueprint_args(bp_srcs, bp_outputs,
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target_info['args'])
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bp['cmd'] = ' '.join(cmd)
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bp['sdk_version'] = sdk_version
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return blueprint_type, bp
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def gn_target_to_blueprint(target, build_info):
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for abi in abi_targets:
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gn_type = build_info[abi][target]['type']
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if gn_type in blueprint_library_target_types:
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return library_target_to_blueprint(target, build_info)
|
|
elif gn_type in blueprint_gen_types:
|
|
return action_target_to_blueprint(target, build_info[abi])
|
|
else:
|
|
# Target is not used by this ABI
|
|
continue
|
|
|
|
|
|
def get_gn_target_dependencies(output_dependencies, build_info, target):
|
|
if target not in output_dependencies:
|
|
output_dependencies.insert(0, target)
|
|
|
|
for dep in build_info[target]['deps']:
|
|
if dep in target_blockist:
|
|
# Blocklisted dep
|
|
continue
|
|
if dep not in build_info:
|
|
# No info for this dep, skip it
|
|
continue
|
|
|
|
# Recurse
|
|
get_gn_target_dependencies(output_dependencies, build_info, dep)
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(
|
|
description='Generate Android blueprints from gn descriptions.')
|
|
|
|
for abi in abi_targets:
|
|
fixed_abi = abi
|
|
if abi == abi_x64:
|
|
fixed_abi = 'x64' # gn uses x64, rather than x86_64
|
|
parser.add_argument(
|
|
'gn_json_' + fixed_abi,
|
|
help=fixed_abi +
|
|
'gn desc in json format. Generated with \'gn desc <out_dir> --format=json "*"\'.')
|
|
args = vars(parser.parse_args())
|
|
|
|
build_info = {}
|
|
for abi in abi_targets:
|
|
fixed_abi = abi
|
|
if abi == abi_x64:
|
|
fixed_abi = 'x64' # gn uses x64, rather than x86_64
|
|
with open(args['gn_json_' + fixed_abi], 'r') as f:
|
|
build_info[abi] = json.load(f)
|
|
|
|
targets_to_write = []
|
|
for abi in abi_targets:
|
|
for root_target in root_targets:
|
|
get_gn_target_dependencies(targets_to_write, build_info[abi], root_target)
|
|
|
|
blueprint_targets = []
|
|
for target in targets_to_write:
|
|
blueprint_targets.append(gn_target_to_blueprint(target, build_info))
|
|
|
|
# Add license build rules
|
|
blueprint_targets.append(('package', {
|
|
'default_applicable_licenses': ['external_angle_license'],
|
|
}))
|
|
blueprint_targets.append(('license', {
|
|
'name':
|
|
'external_angle_license',
|
|
'visibility': [':__subpackages__'],
|
|
'license_kinds': [
|
|
'SPDX-license-identifier-Apache-2.0',
|
|
'SPDX-license-identifier-BSD',
|
|
'SPDX-license-identifier-GPL',
|
|
'SPDX-license-identifier-GPL-2.0',
|
|
'SPDX-license-identifier-GPL-3.0',
|
|
'SPDX-license-identifier-LGPL',
|
|
'SPDX-license-identifier-MIT',
|
|
'SPDX-license-identifier-Zlib',
|
|
'legacy_unencumbered',
|
|
],
|
|
'license_text': [
|
|
'LICENSE',
|
|
'src/common/third_party/smhasher/LICENSE',
|
|
'src/common/third_party/xxhash/LICENSE',
|
|
'src/libANGLE/renderer/vulkan/shaders/src/third_party/ffx_spd/LICENSE',
|
|
'src/tests/test_utils/third_party/LICENSE',
|
|
'src/third_party/libXNVCtrl/LICENSE',
|
|
'src/third_party/volk/LICENSE.md',
|
|
'third_party/abseil-cpp/LICENSE',
|
|
'third_party/android_system_sdk/LICENSE',
|
|
'third_party/bazel/LICENSE',
|
|
'third_party/colorama/LICENSE',
|
|
'third_party/proguard/LICENSE',
|
|
'third_party/r8/LICENSE',
|
|
'third_party/turbine/LICENSE',
|
|
'third_party/vulkan-deps/glslang/LICENSE',
|
|
'third_party/vulkan-deps/glslang/src/LICENSE.txt',
|
|
'third_party/vulkan-deps/LICENSE',
|
|
'third_party/vulkan-deps/spirv-headers/LICENSE',
|
|
'third_party/vulkan-deps/spirv-headers/src/LICENSE',
|
|
'third_party/vulkan-deps/spirv-tools/LICENSE',
|
|
'third_party/vulkan-deps/spirv-tools/src/LICENSE',
|
|
'third_party/vulkan-deps/spirv-tools/src/utils/vscode/src/lsp/LICENSE',
|
|
'third_party/vulkan-deps/vulkan-headers/LICENSE.txt',
|
|
'third_party/vulkan-deps/vulkan-headers/src/LICENSE.txt',
|
|
'third_party/vulkan_memory_allocator/LICENSE.txt',
|
|
'third_party/zlib/LICENSE',
|
|
'tools/flex-bison/third_party/m4sugar/LICENSE',
|
|
'tools/flex-bison/third_party/skeletons/LICENSE',
|
|
'util/windows/third_party/StackWalker/LICENSE',
|
|
],
|
|
}))
|
|
|
|
# Add APKs with all of the root libraries
|
|
blueprint_targets.append((
|
|
'filegroup',
|
|
{
|
|
'name': 'ANGLE_srcs',
|
|
# Only add EmptyMainActivity.java since we just need to be able to reply to the intent
|
|
# android.app.action.ANGLE_FOR_ANDROID to indicate ANGLE is present on the device.
|
|
'srcs': ['src/android_system_settings/src/com/android/angle/EmptyMainActivity.java'],
|
|
}))
|
|
blueprint_targets.append((
|
|
'java_defaults',
|
|
{
|
|
'name': 'ANGLE_java_defaults',
|
|
'sdk_version': 'system_current',
|
|
'min_sdk_version': sdk_version,
|
|
'compile_multilib': 'both',
|
|
'use_embedded_native_libs': True,
|
|
'jni_libs': [
|
|
# hack: assume abi_arm
|
|
gn_target_to_blueprint_target(target, build_info[abi_arm][target])
|
|
for target in root_targets
|
|
],
|
|
'aaptflags': [
|
|
# Don't compress *.json files
|
|
'-0 .json',
|
|
],
|
|
'srcs': [':ANGLE_srcs'],
|
|
'plugins': ['java_api_finder',],
|
|
'privileged': True,
|
|
'product_specific': True,
|
|
'owner': 'google',
|
|
}))
|
|
|
|
blueprint_targets.append(('android_app', {
|
|
'name': 'ANGLE',
|
|
'defaults': ['ANGLE_java_defaults'],
|
|
'manifest': 'android/AndroidManifest.xml',
|
|
'asset_dirs': ['src/android_system_settings/assets',],
|
|
}))
|
|
|
|
output = [
|
|
"""// GENERATED FILE - DO NOT EDIT.
|
|
// Generated by %s
|
|
//
|
|
// Copyright 2020 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.
|
|
//
|
|
""" % sys.argv[0]
|
|
]
|
|
for (blueprint_type, blueprint_data) in blueprint_targets:
|
|
write_blueprint(output, blueprint_type, blueprint_data)
|
|
|
|
print('\n'.join(output))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|