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450 lines
12 KiB
450 lines
12 KiB
#!/usr/bin/env python
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#
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# Copyright 2016 Google Inc.
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#
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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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# Generate Android.bp for Skia from GN configuration.
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import os
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import pprint
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import string
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import subprocess
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import tempfile
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import gn_to_bp_utils
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# First we start off with a template for Android.bp,
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# with holes for source lists and include directories.
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bp = string.Template('''// This file is autogenerated by gn_to_bp.py.
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cc_library_static {
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name: "libskia",
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host_supported: true,
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cflags: [
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$cflags
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],
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cppflags:[
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$cflags_cc
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],
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export_include_dirs: [
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$export_includes
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],
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local_include_dirs: [
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$local_includes
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],
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srcs: [
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$srcs
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],
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arch: {
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arm: {
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srcs: [
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$arm_srcs
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],
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neon: {
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srcs: [
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$arm_neon_srcs
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],
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},
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},
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arm64: {
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srcs: [
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$arm64_srcs
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],
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},
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mips: {
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srcs: [
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$none_srcs
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],
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},
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mips64: {
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srcs: [
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$none_srcs
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],
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},
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x86: {
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srcs: [
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$x86_srcs
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],
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},
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x86_64: {
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srcs: [
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$x86_srcs
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],
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},
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},
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target: {
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android: {
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srcs: [
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$android_srcs
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"third_party/vulkanmemoryallocator/GrVulkanMemoryAllocator.cpp",
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],
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local_include_dirs: [
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"include/config/android",
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"third_party/vulkanmemoryallocator/",
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],
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export_include_dirs: [
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"include/config/android",
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],
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},
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linux_glibc: {
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cflags: [
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"-mssse3",
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],
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srcs: [
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$linux_srcs
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],
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local_include_dirs: [
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"include/config/linux",
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],
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export_include_dirs: [
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"include/config/linux",
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],
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},
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darwin: {
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cflags: [
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"-mssse3",
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],
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srcs: [
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$mac_srcs
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],
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local_include_dirs: [
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"include/config/mac",
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],
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export_include_dirs: [
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"include/config/mac",
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],
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},
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},
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defaults: ["skia_deps",
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"skia_pgo",
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],
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}
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// Build libskia with PGO by default.
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// Location of PGO profile data is defined in build/soong/cc/pgo.go
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// and is separate from skia.
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// To turn it off, set ANDROID_PGO_NO_PROFILE_USE environment variable
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// or set enable_profile_use property to false.
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cc_defaults {
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name: "skia_pgo",
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pgo: {
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instrumentation: true,
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profile_file: "hwui/hwui.profdata",
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benchmarks: ["hwui", "skia"],
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enable_profile_use: true,
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},
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}
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// "defaults" property to disable profile use for Skia tools and benchmarks.
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cc_defaults {
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name: "skia_pgo_no_profile_use",
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defaults: [
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"skia_pgo",
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],
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pgo: {
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enable_profile_use: false,
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},
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}
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cc_defaults {
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name: "skia_deps",
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shared_libs: [
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"libandroidicu",
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"libdng_sdk",
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"libexpat",
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"libft2",
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"libjpeg",
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"liblog",
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"libpiex",
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"libpng",
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"libz",
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"libcutils",
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],
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static_libs: [
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"libarect",
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"libsfntly",
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"libwebp-decode",
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"libwebp-encode",
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],
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group_static_libs: true,
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target: {
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android: {
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shared_libs: [
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"libEGL",
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"libGLESv2",
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"libheif",
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"libvulkan",
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"libnativewindow",
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],
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},
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darwin: {
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host_ldlibs: [
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"-framework AppKit",
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],
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},
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},
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}
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cc_defaults {
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name: "skia_tool_deps",
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defaults: [
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"skia_deps",
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"skia_pgo_no_profile_use"
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],
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static_libs: [
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"libjsoncpp",
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"libskia",
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],
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cflags: [
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"-Wno-implicit-fallthrough",
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"-Wno-unused-parameter",
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"-Wno-unused-variable",
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],
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}
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cc_test {
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name: "skia_dm",
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defaults: [
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"skia_tool_deps"
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],
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local_include_dirs: [
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$dm_includes
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],
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srcs: [
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$dm_srcs
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],
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shared_libs: [
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"libbinder",
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"libutils",
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],
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}
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cc_test {
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name: "skia_nanobench",
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defaults: [
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"skia_tool_deps"
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],
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local_include_dirs: [
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$nanobench_includes
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],
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srcs: [
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$nanobench_srcs
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],
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data: [
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"resources/*",
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],
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}''')
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# We'll run GN to get the main source lists and include directories for Skia.
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def generate_args(target_os, enable_gpu):
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d = {
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'is_official_build': 'true',
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# gn_to_bp_utils' GetArchSources will take care of architecture-specific
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# files.
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'target_cpu': '"none"',
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# Use the custom FontMgr, as the framework will handle fonts.
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'skia_enable_fontmgr_custom': 'false',
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'skia_enable_fontmgr_custom_empty': 'true',
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'skia_enable_fontmgr_android': 'false',
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'skia_use_fonthost_mac': 'false',
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'skia_use_freetype': 'true',
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'skia_use_fontconfig': 'false',
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'skia_use_fixed_gamma_text': 'true',
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}
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d['target_os'] = target_os
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if target_os == '"android"':
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d['skia_enable_tools'] = 'true'
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d['skia_use_libheif'] = 'true'
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else:
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d['skia_use_libheif'] = 'false'
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if enable_gpu:
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d['skia_use_vulkan'] = 'true'
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else:
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d['skia_use_vulkan'] = 'false'
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d['skia_enable_gpu'] = 'false'
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return d
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gn_args = generate_args('"android"', True)
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gn_args_linux = generate_args('"linux"', False)
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gn_args_mac = generate_args('"mac"', False)
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js = gn_to_bp_utils.GenerateJSONFromGN(gn_args)
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def strip_slashes(lst):
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return {str(p.lstrip('/')) for p in lst}
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android_srcs = strip_slashes(js['targets']['//:skia']['sources'])
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cflags = strip_slashes(js['targets']['//:skia']['cflags'])
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cflags_cc = strip_slashes(js['targets']['//:skia']['cflags_cc'])
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local_includes = strip_slashes(js['targets']['//:skia']['include_dirs'])
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export_includes = strip_slashes(js['targets']['//:public']['include_dirs'])
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dm_srcs = strip_slashes(js['targets']['//:dm']['sources'])
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dm_includes = strip_slashes(js['targets']['//:dm']['include_dirs'])
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nanobench_target = js['targets']['//:nanobench']
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nanobench_srcs = strip_slashes(nanobench_target['sources'])
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nanobench_includes = strip_slashes(nanobench_target['include_dirs'])
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gn_to_bp_utils.GrabDependentValues(js, '//:dm', 'sources', dm_srcs, 'skia')
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gn_to_bp_utils.GrabDependentValues(js, '//:nanobench', 'sources',
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nanobench_srcs, 'skia')
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# skcms is a little special, kind of a second-party library.
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local_includes.add("third_party/skcms")
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dm_includes .add("third_party/skcms")
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# Android's build will choke if we list headers.
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def strip_headers(sources):
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return {s for s in sources if not s.endswith('.h')}
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gn_to_bp_utils.GrabDependentValues(js, '//:skia', 'sources', android_srcs, None)
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android_srcs = strip_headers(android_srcs)
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js_linux = gn_to_bp_utils.GenerateJSONFromGN(gn_args_linux)
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linux_srcs = strip_slashes(js_linux['targets']['//:skia']['sources'])
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gn_to_bp_utils.GrabDependentValues(js_linux, '//:skia', 'sources', linux_srcs,
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None)
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linux_srcs = strip_headers(linux_srcs)
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js_mac = gn_to_bp_utils.GenerateJSONFromGN(gn_args_mac)
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mac_srcs = strip_slashes(js_mac['targets']['//:skia']['sources'])
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gn_to_bp_utils.GrabDependentValues(js_mac, '//:skia', 'sources', mac_srcs,
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None)
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mac_srcs = strip_headers(mac_srcs)
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srcs = android_srcs.intersection(linux_srcs).intersection(mac_srcs)
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android_srcs = android_srcs.difference(srcs)
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linux_srcs = linux_srcs.difference(srcs)
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mac_srcs = mac_srcs.difference(srcs)
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dm_srcs = strip_headers(dm_srcs)
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nanobench_srcs = strip_headers(nanobench_srcs)
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cflags = gn_to_bp_utils.CleanupCFlags(cflags)
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cflags_cc = gn_to_bp_utils.CleanupCCFlags(cflags_cc)
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here = os.path.dirname(__file__)
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defs = gn_to_bp_utils.GetArchSources(os.path.join(here, 'opts.gni'))
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def get_defines(json):
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return {str(d) for d in json['targets']['//:skia']['defines']}
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android_defines = get_defines(js)
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linux_defines = get_defines(js_linux)
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mac_defines = get_defines(js_mac)
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def mkdir_if_not_exists(path):
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if not os.path.exists(path):
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os.mkdir(path)
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mkdir_if_not_exists('include/config/android/')
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mkdir_if_not_exists('include/config/linux/')
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mkdir_if_not_exists('include/config/mac/')
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platforms = { 'IOS', 'MAC', 'WIN', 'ANDROID', 'UNIX' }
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def disallow_platforms(config, desired):
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with open(config, 'a') as f:
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p = sorted(platforms.difference({ desired }))
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s = '#if '
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for i in range(len(p)):
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s = s + 'defined(SK_BUILD_FOR_%s)' % p[i]
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if i < len(p) - 1:
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s += ' || '
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if i % 2 == 1:
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s += '\\\n '
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print >>f, s
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print >>f, ' #error "Only SK_BUILD_FOR_%s should be defined!"' % desired
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print >>f, '#endif'
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def append_to_file(config, s):
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with open(config, 'a') as f:
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print >>f, s
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android_config = 'include/config/android/SkUserConfig.h'
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gn_to_bp_utils.WriteUserConfig(android_config, android_defines)
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append_to_file(android_config, '''
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#ifndef SK_BUILD_FOR_ANDROID
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#error "SK_BUILD_FOR_ANDROID must be defined!"
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#endif''')
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disallow_platforms(android_config, 'ANDROID')
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def write_config(config_path, defines, platform):
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gn_to_bp_utils.WriteUserConfig(config_path, defines)
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append_to_file(config_path, '''
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// Correct SK_BUILD_FOR flags that may have been set by
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// SkPreConfig.h/Android.bp
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#ifndef SK_BUILD_FOR_%s
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#define SK_BUILD_FOR_%s
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#endif
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#ifdef SK_BUILD_FOR_ANDROID
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#undef SK_BUILD_FOR_ANDROID
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#endif''' % (platform, platform))
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disallow_platforms(config_path, platform)
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write_config('include/config/linux/SkUserConfig.h', linux_defines, 'UNIX')
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write_config('include/config/mac/SkUserConfig.h', mac_defines, 'MAC')
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# Turn a list of strings into the style bpfmt outputs.
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def bpfmt(indent, lst, sort=True):
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if sort:
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lst = sorted(lst)
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return ('\n' + ' '*indent).join('"%s",' % v for v in lst)
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# OK! We have everything to fill in Android.bp...
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with open('Android.bp', 'w') as Android_bp:
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print >>Android_bp, bp.substitute({
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'export_includes': bpfmt(8, export_includes),
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'local_includes': bpfmt(8, local_includes),
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'srcs': bpfmt(8, srcs),
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'cflags': bpfmt(8, cflags, False),
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'cflags_cc': bpfmt(8, cflags_cc),
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'arm_srcs': bpfmt(16, strip_headers(defs['armv7'])),
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'arm_neon_srcs': bpfmt(20, strip_headers(defs['neon'])),
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'arm64_srcs': bpfmt(16, strip_headers(defs['arm64'] +
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defs['crc32'])),
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'none_srcs': bpfmt(16, strip_headers(defs['none'])),
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'x86_srcs': bpfmt(16, strip_headers(defs['sse2'] +
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defs['ssse3'] +
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defs['sse41'] +
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defs['sse42'] +
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defs['avx' ] +
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defs['hsw' ])),
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'dm_includes' : bpfmt(8, dm_includes),
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'dm_srcs' : bpfmt(8, dm_srcs),
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'nanobench_includes' : bpfmt(8, nanobench_includes),
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'nanobench_srcs' : bpfmt(8, nanobench_srcs),
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'android_srcs': bpfmt(10, android_srcs),
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'linux_srcs': bpfmt(10, linux_srcs),
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'mac_srcs': bpfmt(10, mac_srcs),
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})
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