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#!/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
# 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",
tags: ["tests", "optional"],
cflags: [
$cflags
"-Wno-unused-parameter",
"-Wno-unused-variable",
],
cppflags:[
$cflags_cc
],
local_include_dirs: [
$local_includes
],
srcs: [
$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
],
cflags: [
// Clang seems to think new/malloc will only be 4-byte aligned
// on x86 Android. We're pretty sure it's actually 8-byte
// alignment. tests/OverAlignedTest.cpp has more information,
// and should fail if we're wrong.
"-Wno-over-aligned"
],
},
x86_64: {
srcs: [
$x86_srcs
],
},
},
shared_libs: [
"libandroid",
"libEGL",
"libGLESv2",
"liblog",
"libvulkan",
"libz",
],
static_libs: [
"libjpeg_static_ndk",
"libjsoncpp_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',
'skia_skqp_global_error_tolerance': '4',
# setup vulkan
'skia_use_vulkan': 'true',
'skia_vulkan_header': '"Skia_Vulkan_Android.h"',
# enable/disable skia subsystems
'skia_enable_fontmgr_empty': 'true',
'skia_enable_pdf': 'false',
'skia_enable_skottie': 'false',
'skia_use_expat': 'false',
'skia_use_dng_sdk': 'false',
'skia_use_icu': 'false',
'skia_use_lua': 'false',
'skia_use_piex': 'false',
# 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_jsoncpp': 'true',
'skia_use_system_libwebp': 'true',
'skia_use_system_libjpeg_turbo': 'true',
'skia_use_system_zlib': 'true',
}
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']}
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' ]),
})
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