| #!/usr/bin/env python |
| # |
| # Copyright 2016 Google Inc. |
| # |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # Generate Android.bp for Skia from GN configuration. |
| |
| from __future__ import print_function |
| |
| import os |
| import pprint |
| import string |
| import subprocess |
| import tempfile |
| |
| import gn_to_bp_utils |
| |
| # First we start off with a template for Android.bp, |
| # with holes for source lists and include directories. |
| bp = string.Template('''// This file is autogenerated by gn_to_bp.py. |
| // To make changes to this file, follow the instructions on skia.org for |
| // downloading Skia and submitting changes. Modify gn_to_bp.py (or the build |
| // files it uses) and submit. The autoroller will then create the updated |
| // Android.bp. Or ask a Skia engineer for help. |
| |
| package { |
| default_applicable_licenses: ["external_skia_license"], |
| } |
| |
| // Added automatically by a large-scale-change that took the approach of |
| // 'apply every license found to every target'. While this makes sure we respect |
| // every license restriction, it may not be entirely correct. |
| // |
| // e.g. GPL in an MIT project might only apply to the contrib/ directory. |
| // |
| // Please consider splitting the single license below into multiple licenses, |
| // taking care not to lose any license_kind information, and overriding the |
| // default license using the 'licenses: [...]' property on targets as needed. |
| // |
| // For unused files, consider creating a 'fileGroup' with "//visibility:private" |
| // to attach the license to, and including a comment whether the files may be |
| // used in the current project. |
| // |
| // large-scale-change included anything that looked like it might be a license |
| // text as a license_text. e.g. LICENSE, NOTICE, COPYING etc. |
| // |
| // Please consider removing redundant or irrelevant files from 'license_text:'. |
| // |
| // large-scale-change filtered out the below license kinds as false-positives: |
| // SPDX-license-identifier-CC-BY-NC |
| // SPDX-license-identifier-GPL-2.0 |
| // SPDX-license-identifier-LGPL-2.1 |
| // SPDX-license-identifier-OFL:by_exception_only |
| // See: http://go/android-license-faq |
| license { |
| name: "external_skia_license", |
| visibility: [":__subpackages__"], |
| license_kinds: [ |
| "SPDX-license-identifier-Apache-2.0", |
| "SPDX-license-identifier-BSD", |
| "SPDX-license-identifier-CC0-1.0", |
| "SPDX-license-identifier-FTL", |
| "SPDX-license-identifier-MIT", |
| "SPDX-license-identifier-MPL", |
| "legacy_unencumbered", |
| ], |
| license_text: [ |
| "LICENSE", |
| "NOTICE", |
| ], |
| } |
| |
| cc_defaults { |
| name: "skia_defaults", |
| cflags: [ |
| $cflags |
| ], |
| |
| cppflags:[ |
| $cflags_cc |
| ], |
| |
| export_include_dirs: [ |
| $export_includes |
| ], |
| |
| local_include_dirs: [ |
| $local_includes |
| ], |
| |
| arch: { |
| arm: { |
| srcs: [ |
| $arm_srcs |
| ], |
| |
| neon: { |
| srcs: [ |
| $arm_neon_srcs |
| ], |
| }, |
| }, |
| |
| arm64: { |
| srcs: [ |
| $arm64_srcs |
| ], |
| }, |
| |
| x86: { |
| srcs: [ |
| $x86_srcs |
| ], |
| }, |
| |
| x86_64: { |
| srcs: [ |
| $x86_srcs |
| ], |
| }, |
| }, |
| |
| target: { |
| android: { |
| srcs: [ |
| "third_party/vulkanmemoryallocator/GrVulkanMemoryAllocator.cpp", |
| ], |
| local_include_dirs: [ |
| "third_party/vulkanmemoryallocator/", |
| ], |
| }, |
| }, |
| } |
| |
| cc_library_static { |
| // Smaller version of Skia, without e.g. codecs, intended for use by RenderEngine. |
| name: "libskia_renderengine", |
| defaults: ["skia_defaults", |
| "skia_renderengine_deps"], |
| srcs: [ |
| $renderengine_srcs |
| ], |
| local_include_dirs: [ |
| "renderengine", |
| ], |
| export_include_dirs: [ |
| "renderengine", |
| ], |
| } |
| |
| cc_library_static { |
| name: "libskia", |
| host_supported: true, |
| cppflags:[ |
| // Exceptions are necessary for SkRawCodec. |
| // FIXME: Should we split SkRawCodec into a separate target so the rest |
| // of Skia need not be compiled with exceptions? |
| "-fexceptions", |
| ], |
| |
| srcs: [ |
| $srcs |
| ], |
| |
| target: { |
| android: { |
| srcs: [ |
| $android_srcs |
| ], |
| local_include_dirs: [ |
| "android", |
| ], |
| export_include_dirs: [ |
| "android", |
| ], |
| }, |
| linux_glibc: { |
| srcs: [ |
| $linux_srcs |
| ], |
| local_include_dirs: [ |
| "linux", |
| ], |
| export_include_dirs: [ |
| "linux", |
| ], |
| }, |
| darwin: { |
| srcs: [ |
| $mac_srcs |
| ], |
| local_include_dirs: [ |
| "mac", |
| ], |
| export_include_dirs: [ |
| "mac", |
| ], |
| }, |
| windows: { |
| enabled: true, |
| cflags: [ |
| "-Wno-unknown-pragmas", |
| ], |
| srcs: [ |
| $win_srcs |
| ], |
| local_include_dirs: [ |
| "win", |
| ], |
| export_include_dirs: [ |
| "win", |
| ], |
| }, |
| }, |
| |
| defaults: ["skia_deps", |
| "skia_pgo", |
| "skia_defaults", |
| ], |
| } |
| |
| // Build libskia with PGO by default. |
| // Location of PGO profile data is defined in build/soong/cc/pgo.go |
| // and is separate from skia. |
| // To turn it off, set ANDROID_PGO_NO_PROFILE_USE environment variable |
| // or set enable_profile_use property to false. |
| cc_defaults { |
| name: "skia_pgo", |
| pgo: { |
| instrumentation: true, |
| profile_file: "hwui/hwui.profdata", |
| benchmarks: ["hwui", "skia"], |
| enable_profile_use: true, |
| }, |
| } |
| |
| // "defaults" property to disable profile use for Skia tools and benchmarks. |
| cc_defaults { |
| name: "skia_pgo_no_profile_use", |
| defaults: [ |
| "skia_pgo", |
| ], |
| pgo: { |
| enable_profile_use: false, |
| }, |
| } |
| |
| cc_defaults { |
| // Subset of the larger "skia_deps", which includes only the dependencies |
| // needed for libskia_renderengine. Note that it includes libpng and libz |
| // for the purposes of MSKP captures, but we could instead leave it up to |
| // RenderEngine to provide its own SkSerializerProcs if another client |
| // wants an even smaller version of libskia. |
| name: "skia_renderengine_deps", |
| shared_libs: [ |
| "libcutils", |
| "liblog", |
| "libpng", |
| "libz", |
| ], |
| static_libs: [ |
| "libarect", |
| ], |
| group_static_libs: true, |
| target: { |
| android: { |
| shared_libs: [ |
| "libEGL", |
| "libGLESv2", |
| "libvulkan", |
| "libnativewindow", |
| ], |
| export_shared_lib_headers: [ |
| "libvulkan", |
| ], |
| }, |
| }, |
| } |
| |
| cc_defaults { |
| name: "skia_deps", |
| defaults: ["skia_renderengine_deps"], |
| shared_libs: [ |
| "libdng_sdk", |
| "libjpeg", |
| "libpiex", |
| "libexpat", |
| "libft2", |
| ], |
| static_libs: [ |
| "libwebp-decode", |
| "libwebp-encode", |
| "libsfntly", |
| ], |
| target: { |
| android: { |
| shared_libs: [ |
| "libheif", |
| ], |
| }, |
| darwin: { |
| host_ldlibs: [ |
| "-framework AppKit", |
| ], |
| }, |
| windows: { |
| host_ldlibs: [ |
| "-lgdi32", |
| "-loleaut32", |
| "-lole32", |
| "-lopengl32", |
| "-luuid", |
| "-lwindowscodecs", |
| ], |
| }, |
| }, |
| } |
| |
| cc_defaults { |
| name: "skia_tool_deps", |
| defaults: [ |
| "skia_deps", |
| "skia_pgo_no_profile_use" |
| ], |
| shared_libs: [ |
| "libicu", |
| "libharfbuzz_ng", |
| ], |
| static_libs: [ |
| "libskia", |
| ], |
| cflags: [ |
| "-DSK_SHAPER_HARFBUZZ_AVAILABLE", |
| "-DSK_UNICODE_AVAILABLE", |
| "-Wno-implicit-fallthrough", |
| "-Wno-unused-parameter", |
| "-Wno-unused-variable", |
| ], |
| target: { |
| windows: { |
| enabled: true, |
| }, |
| }, |
| } |
| |
| cc_test { |
| name: "skia_dm", |
| |
| defaults: [ |
| "skia_tool_deps" |
| ], |
| |
| local_include_dirs: [ |
| $dm_includes |
| ], |
| |
| srcs: [ |
| $dm_srcs |
| ], |
| |
| shared_libs: [ |
| "libbinder", |
| "libutils", |
| ], |
| } |
| |
| cc_test { |
| name: "skia_nanobench", |
| |
| defaults: [ |
| "skia_tool_deps" |
| ], |
| |
| local_include_dirs: [ |
| $nanobench_includes |
| ], |
| |
| srcs: [ |
| $nanobench_srcs |
| ], |
| |
| data: [ |
| "resources/**/*", |
| ], |
| }''') |
| |
| # We'll run GN to get the main source lists and include directories for Skia. |
| def generate_args(target_os, enable_gpu, renderengine = False): |
| d = { |
| 'is_official_build': 'true', |
| |
| # gn_to_bp_utils' GetArchSources will take care of architecture-specific |
| # files. |
| 'target_cpu': '"none"', |
| |
| # Use the custom FontMgr, as the framework will handle fonts. |
| 'skia_enable_fontmgr_custom_directory': 'false', |
| 'skia_enable_fontmgr_custom_embedded': 'false', |
| 'skia_enable_fontmgr_android': 'false', |
| 'skia_enable_fontmgr_win': 'false', |
| 'skia_enable_fontmgr_win_gdi': 'false', |
| 'skia_use_fonthost_mac': 'false', |
| |
| # enable features used in skia_nanobench |
| 'skia_tools_require_resources': 'true', |
| |
| 'skia_use_fontconfig': 'false', |
| 'skia_include_multiframe_procs': 'false', |
| 'skia_libgifcodec_path': '"third_party/libgifcodec"', |
| } |
| d['target_os'] = target_os |
| if target_os == '"android"': |
| d['skia_enable_tools'] = 'true' |
| d['skia_include_multiframe_procs'] = 'true' |
| |
| if enable_gpu: |
| d['skia_use_vulkan'] = 'true' |
| else: |
| d['skia_use_vulkan'] = 'false' |
| d['skia_enable_gpu'] = 'false' |
| |
| if target_os == '"win"': |
| # The Android Windows build system does not provide FontSub.h |
| d['skia_use_xps'] = 'false' |
| |
| # BUILDCONFIG.gn expects these to be set when building for Windows, but |
| # we're just creating Android.bp, so we don't need them. Populate with |
| # some placeholder values. |
| d['win_vc'] = '"placeholder_version"' |
| d['win_sdk_version'] = '"placeholder_version"' |
| d['win_toolchain_version'] = '"placeholder_version"' |
| |
| if target_os == '"android"' and not renderengine: |
| d['skia_use_libheif'] = 'true' |
| else: |
| d['skia_use_libheif'] = 'false' |
| |
| if renderengine: |
| d['skia_use_libpng_decode'] = 'false' |
| d['skia_use_libjpeg_turbo_decode'] = 'false' |
| d['skia_use_libjpeg_turbo_encode'] = 'false' |
| d['skia_use_libwebp_decode'] = 'false' |
| d['skia_use_libwebp_encode'] = 'false' |
| d['skia_use_libgifcodec'] = 'false' |
| d['skia_enable_pdf'] = 'false' |
| d['skia_use_freetype'] = 'false' |
| d['skia_use_fixed_gamma_text'] = 'false' |
| d['skia_use_expat'] = 'false' |
| d['skia_enable_fontmgr_custom_empty'] = 'false' |
| else: |
| d['skia_enable_android_utils'] = 'true' |
| d['skia_use_freetype'] = 'true' |
| d['skia_use_fixed_gamma_text'] = 'true' |
| d['skia_enable_fontmgr_custom_empty'] = 'true' |
| |
| return d |
| |
| gn_args = generate_args('"android"', True) |
| gn_args_linux = generate_args('"linux"', False) |
| gn_args_mac = generate_args('"mac"', False) |
| gn_args_win = generate_args('"win"', False) |
| gn_args_renderengine = generate_args('"android"', True, True) |
| |
| js = gn_to_bp_utils.GenerateJSONFromGN(gn_args) |
| |
| def strip_slashes(lst): |
| return {str(p.lstrip('/')) for p in lst} |
| |
| android_srcs = strip_slashes(js['targets']['//:skia']['sources']) |
| cflags = strip_slashes(js['targets']['//:skia']['cflags']) |
| cflags_cc = strip_slashes(js['targets']['//:skia']['cflags_cc']) |
| local_includes = strip_slashes(js['targets']['//:skia']['include_dirs']) |
| export_includes = strip_slashes(js['targets']['//:public']['include_dirs']) |
| |
| dm_srcs = strip_slashes(js['targets']['//:dm']['sources']) |
| dm_includes = strip_slashes(js['targets']['//:dm']['include_dirs']) |
| |
| nanobench_target = js['targets']['//:nanobench'] |
| nanobench_srcs = strip_slashes(nanobench_target['sources']) |
| nanobench_includes = strip_slashes(nanobench_target['include_dirs']) |
| |
| gn_to_bp_utils.GrabDependentValues(js, '//:dm', 'sources', dm_srcs, 'skia') |
| gn_to_bp_utils.GrabDependentValues(js, '//:nanobench', 'sources', |
| nanobench_srcs, 'skia') |
| |
| # skcms is a little special, kind of a second-party library. |
| local_includes.add("include/third_party/skcms") |
| dm_includes .add("include/third_party/skcms") |
| |
| # Android's build will choke if we list headers. |
| def strip_headers(sources): |
| return {s for s in sources if not s.endswith('.h')} |
| |
| gn_to_bp_utils.GrabDependentValues(js, '//:skia', 'sources', android_srcs, None) |
| android_srcs = strip_headers(android_srcs) |
| |
| js_linux = gn_to_bp_utils.GenerateJSONFromGN(gn_args_linux) |
| linux_srcs = strip_slashes(js_linux['targets']['//:skia']['sources']) |
| gn_to_bp_utils.GrabDependentValues(js_linux, '//:skia', 'sources', linux_srcs, |
| None) |
| linux_srcs = strip_headers(linux_srcs) |
| |
| js_mac = gn_to_bp_utils.GenerateJSONFromGN(gn_args_mac) |
| mac_srcs = strip_slashes(js_mac['targets']['//:skia']['sources']) |
| gn_to_bp_utils.GrabDependentValues(js_mac, '//:skia', 'sources', mac_srcs, |
| None) |
| mac_srcs = strip_headers(mac_srcs) |
| |
| js_win = gn_to_bp_utils.GenerateJSONFromGN(gn_args_win) |
| win_srcs = strip_slashes(js_win['targets']['//:skia']['sources']) |
| gn_to_bp_utils.GrabDependentValues(js_win, '//:skia', 'sources', win_srcs, |
| None) |
| win_srcs = strip_headers(win_srcs) |
| |
| srcs = android_srcs.intersection(linux_srcs).intersection(mac_srcs) |
| srcs = srcs.intersection(win_srcs) |
| android_srcs = android_srcs.difference(srcs) |
| linux_srcs = linux_srcs.difference(srcs) |
| mac_srcs = mac_srcs.difference(srcs) |
| win_srcs = win_srcs.difference(srcs) |
| |
| js_renderengine = gn_to_bp_utils.GenerateJSONFromGN(gn_args_renderengine) |
| renderengine_srcs = strip_slashes( |
| js_renderengine['targets']['//:skia']['sources']) |
| gn_to_bp_utils.GrabDependentValues(js_renderengine, '//:skia', 'sources', |
| renderengine_srcs, None) |
| renderengine_srcs = strip_headers(renderengine_srcs) |
| |
| dm_srcs = strip_headers(dm_srcs) |
| nanobench_srcs = strip_headers(nanobench_srcs) |
| |
| cflags = gn_to_bp_utils.CleanupCFlags(cflags) |
| cflags_cc = gn_to_bp_utils.CleanupCCFlags(cflags_cc) |
| |
| here = os.path.dirname(__file__) |
| defs = gn_to_bp_utils.GetArchSources(os.path.join(here, 'opts.gni')) |
| |
| def get_defines(json): |
| return {str(d) for d in json['targets']['//:skia']['defines']} |
| android_defines = get_defines(js) |
| linux_defines = get_defines(js_linux) |
| mac_defines = get_defines(js_mac) |
| win_defines = get_defines(js_win) |
| renderengine_defines = get_defines(js_renderengine) |
| |
| def mkdir_if_not_exists(path): |
| if not os.path.exists(path): |
| os.makedirs(path) |
| mkdir_if_not_exists('android/include/config/') |
| mkdir_if_not_exists('linux/include/config/') |
| mkdir_if_not_exists('mac/include/config/') |
| mkdir_if_not_exists('win/include/config/') |
| mkdir_if_not_exists('renderengine/include/config/') |
| |
| platforms = { 'IOS', 'MAC', 'WIN', 'ANDROID', 'UNIX' } |
| |
| def disallow_platforms(config, desired): |
| with open(config, 'a') as f: |
| p = sorted(platforms.difference({ desired })) |
| s = '#if ' |
| for i in range(len(p)): |
| s = s + 'defined(SK_BUILD_FOR_%s)' % p[i] |
| if i < len(p) - 1: |
| s += ' || ' |
| if i % 2 == 1: |
| s += '\\\n ' |
| print(s, file=f) |
| print(' #error "Only SK_BUILD_FOR_%s should be defined!"' % desired, file=f) |
| print('#endif', file=f) |
| |
| def append_to_file(config, s): |
| with open(config, 'a') as f: |
| print(s, file=f) |
| |
| def write_android_config(config_path, defines): |
| gn_to_bp_utils.WriteUserConfig(config_path, defines) |
| append_to_file(config_path, ''' |
| #ifndef SK_BUILD_FOR_ANDROID |
| #error "SK_BUILD_FOR_ANDROID must be defined!" |
| #endif''') |
| disallow_platforms(config_path, 'ANDROID') |
| |
| write_android_config('android/include/config/SkUserConfig.h', android_defines) |
| write_android_config('renderengine/include/config/SkUserConfig.h', renderengine_defines) |
| |
| def write_config(config_path, defines, platform): |
| gn_to_bp_utils.WriteUserConfig(config_path, defines) |
| append_to_file(config_path, ''' |
| // Correct SK_BUILD_FOR flags that may have been set by |
| // SkTypes.h/Android.bp |
| #ifndef SK_BUILD_FOR_%s |
| #define SK_BUILD_FOR_%s |
| #endif |
| #ifdef SK_BUILD_FOR_ANDROID |
| #undef SK_BUILD_FOR_ANDROID |
| #endif''' % (platform, platform)) |
| disallow_platforms(config_path, platform) |
| |
| write_config('linux/include/config/SkUserConfig.h', linux_defines, 'UNIX') |
| write_config('mac/include/config/SkUserConfig.h', mac_defines, 'MAC') |
| write_config('win/include/config/SkUserConfig.h', win_defines, 'WIN') |
| |
| # Turn a list of strings into the style bpfmt outputs. |
| def bpfmt(indent, lst, sort=True): |
| if sort: |
| lst = sorted(lst) |
| return ('\n' + ' '*indent).join('"%s",' % v for v in lst) |
| |
| # OK! We have everything to fill in Android.bp... |
| with open('Android.bp', 'w') as Android_bp: |
| print(bp.substitute({ |
| 'export_includes': bpfmt(8, export_includes), |
| 'local_includes': bpfmt(8, local_includes), |
| 'srcs': bpfmt(8, srcs), |
| 'cflags': bpfmt(8, cflags, False), |
| 'cflags_cc': bpfmt(8, cflags_cc), |
| |
| 'arm_srcs': bpfmt(16, strip_headers(defs['armv7'])), |
| 'arm_neon_srcs': bpfmt(20, strip_headers(defs['neon'])), |
| 'arm64_srcs': bpfmt(16, strip_headers(defs['arm64'] + |
| defs['crc32'])), |
| 'x86_srcs': bpfmt(16, strip_headers(defs['sse2'] + |
| defs['ssse3'] + |
| defs['sse41'] + |
| defs['sse42'] + |
| defs['avx' ] + |
| defs['hsw' ] + |
| defs['skx' ])), |
| |
| 'dm_includes' : bpfmt(8, dm_includes), |
| 'dm_srcs' : bpfmt(8, dm_srcs), |
| |
| 'nanobench_includes' : bpfmt(8, nanobench_includes), |
| 'nanobench_srcs' : bpfmt(8, nanobench_srcs), |
| |
| 'android_srcs': bpfmt(10, android_srcs), |
| 'linux_srcs': bpfmt(10, linux_srcs), |
| 'mac_srcs': bpfmt(10, mac_srcs), |
| 'win_srcs': bpfmt(10, win_srcs), |
| |
| 'renderengine_srcs': bpfmt(8, renderengine_srcs), |
| }), file=Android_bp) |