#!/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. import argparse import json import os import pprint import string import subprocess import sys import tempfile root_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), os.pardir, os.pardir) skia_gn_dir = os.path.join(root_dir, 'gn') sys.path.insert(0, skia_gn_dir) import gn_to_bp_utils from skqp_gn_args import SkqpGnArgs # 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 tools/skqp/gn_to_bp.py. cc_library_shared { name: "libskqp_app", sdk_version: "26", stl: "libc++_static", compile_multilib: "both", cflags: [ $cflags "-Wno-unused-parameter", "-Wno-unused-variable", ], cppflags:[ $cflags_cc ], local_include_dirs: [ $local_includes ], srcs: [ "third_party/vulkanmemoryallocator/GrVulkanMemoryAllocator.cpp", $srcs ], arch: { arm: { srcs: [ $arm_srcs ], neon: { srcs: [ $arm_neon_srcs ], }, }, arm64: { srcs: [ $arm64_srcs ], }, mips: { srcs: [ $none_srcs ], }, mips64: { srcs: [ $none_srcs ], }, x86: { srcs: [ $x86_srcs ], }, x86_64: { srcs: [ $x86_srcs ], }, }, shared_libs: [ "libandroid", "libEGL", "libGLESv2", "liblog", "libvulkan", "libz", ], static_libs: [ "libexpat", "libjpeg_static_ndk", "libpng_ndk", "libwebp-decode", "libwebp-encode", ] }''') # We'll run GN to get the main source lists and include directories for Skia. gn_args = { 'target_cpu': '"none"', 'target_os': '"android"', # setup skqp 'is_debug': 'false', 'ndk_api': '26', # specify that the Android.bp will supply the necessary components 'skia_use_system_expat': 'true', # removed this when gn is fixed 'skia_use_system_libpng': 'true', 'skia_use_system_libwebp': 'true', 'skia_use_system_libjpeg_turbo': 'true', 'skia_use_system_zlib': 'true', } for k, v in SkqpGnArgs.iteritems(): gn_args[k] = v js = gn_to_bp_utils.GenerateJSONFromGN(gn_args) def strip_slashes(lst): return {str(p.lstrip('/')) for p in lst} srcs = strip_slashes(js['targets']['//:libskqp_app']['sources']) cflags = strip_slashes(js['targets']['//:libskqp_app']['cflags']) cflags_cc = strip_slashes(js['targets']['//:libskqp_app']['cflags_cc']) local_includes = strip_slashes(js['targets']['//:libskqp_app']['include_dirs']) defines = {str(d) for d in js['targets']['//:libskqp_app']['defines']} defines.update(["SK_ENABLE_DUMP_GPU", "SK_BUILD_FOR_SKQP"]) cflags_cc.update(['-Wno-extra-semi-stmt']) gn_to_bp_utils.GrabDependentValues(js, '//:libskqp_app', 'sources', srcs, None) gn_to_bp_utils.GrabDependentValues(js, '//:libskqp_app', 'include_dirs', local_includes, 'freetype') gn_to_bp_utils.GrabDependentValues(js, '//:libskqp_app', 'defines', defines, None) # No need to list headers or other extra flags. srcs = {s for s in srcs if not s.endswith('.h')} cflags = gn_to_bp_utils.CleanupCFlags(cflags) cflags_cc = gn_to_bp_utils.CleanupCCFlags(cflags_cc) # We need to add the include path to the vulkan defines and header file set in # then skia_vulkan_header gn arg that is used for framework builds. local_includes.add("platform_tools/android/vulkan") # Get architecture specific source files defs = gn_to_bp_utils.GetArchSources(os.path.join(skia_gn_dir, 'opts.gni')) # Add source file until fix lands in # https://skia-review.googlesource.com/c/skia/+/101820 srcs.add("src/ports/SkFontMgr_empty_factory.cpp") # 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) # Most defines go into SkUserConfig.h, where they're seen by Skia and its users. gn_to_bp_utils.WriteUserConfig('include/config/SkUserConfig.h', defines) # OK! We have everything to fill in Android.bp... with open('Android.bp', 'w') as f: print >>f, bp.substitute({ '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, defs['armv7']), 'arm_neon_srcs': bpfmt(20, defs['neon']), 'arm64_srcs': bpfmt(16, defs['arm64'] + defs['crc32']), 'none_srcs': bpfmt(16, defs['none']), 'x86_srcs': bpfmt(16, defs['sse2'] + defs['ssse3'] + defs['sse41'] + defs['sse42'] + defs['avx'] + defs['hsw']), })