# Copyright 2018 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. from . import util def build_command_buffer(api, chrome_dir, skia_dir, out): api.run(api.python, 'build command_buffer', script=skia_dir.join('tools', 'build_command_buffer.py'), args=[ '--chrome-dir', chrome_dir, '--output-dir', out, '--no-sync', '--no-hooks', '--make-output-dir']) def compile_swiftshader(api, swiftshader_root, cc, cxx, out): """Build SwiftShader with CMake. Building SwiftShader works differently from any other Skia third_party lib. See discussion in skia:7671 for more detail. Args: swiftshader_root: root of the SwiftShader checkout. cc, cxx: compiler binaries to use out: target directory for libEGL.so and libGLESv2.so """ cmake_bin = str(api.vars.slave_dir.join('cmake_linux', 'bin')) env = { 'CC': cc, 'CXX': cxx, 'PATH': '%%(PATH)s:%s' % cmake_bin } api.file.ensure_directory('makedirs swiftshader_out', out) with api.context(cwd=out, env=env): api.run(api.step, 'swiftshader cmake', cmd=['cmake', swiftshader_root, '-GNinja']) api.run(api.step, 'swiftshader ninja', cmd=['ninja', '-C', out, 'libEGL.so', 'libGLESv2.so']) def compile_fn(api, checkout_root, out_dir): skia_dir = checkout_root.join('skia') compiler = api.vars.builder_cfg.get('compiler', '') configuration = api.vars.builder_cfg.get('configuration', '') extra_tokens = api.vars.extra_tokens os = api.vars.builder_cfg.get('os', '') target_arch = api.vars.builder_cfg.get('target_arch', '') clang_linux = str(api.vars.slave_dir.join('clang_linux')) emscripten_sdk = str(api.vars.slave_dir.join('emscripten_sdk')) linux_vulkan_sdk = str(api.vars.slave_dir.join('linux_vulkan_sdk')) win_toolchain = str(api.vars.slave_dir.join( 't', 'depot_tools', 'win_toolchain', 'vs_files', 'a9e1098bba66d2acccc377d5ee81265910f29272')) win_vulkan_sdk = str(api.vars.slave_dir.join('win_vulkan_sdk')) moltenvk = str(api.vars.slave_dir.join('moltenvk')) cc, cxx = None, None extra_cflags = [] extra_ldflags = [] args = {} env = {} if compiler == 'Clang' and api.vars.is_linux: cc = clang_linux + '/bin/clang' cxx = clang_linux + '/bin/clang++' extra_cflags .append('-B%s/bin' % clang_linux) extra_ldflags.append('-B%s/bin' % clang_linux) extra_ldflags.append('-fuse-ld=lld') extra_cflags.append('-DDUMMY_clang_linux_version=%s' % api.run.asset_version('clang_linux', skia_dir)) if os == 'Ubuntu14': extra_ldflags.extend(['-static-libstdc++', '-static-libgcc']) elif compiler == 'Clang': cc, cxx = 'clang', 'clang++' elif compiler == 'GCC': if target_arch in ['mips64el', 'loongson3a']: mips64el_toolchain_linux = str(api.vars.slave_dir.join( 'mips64el_toolchain_linux')) cc = mips64el_toolchain_linux + '/bin/mips64el-linux-gnuabi64-gcc-7' cxx = mips64el_toolchain_linux + '/bin/mips64el-linux-gnuabi64-g++-7' env['LD_LIBRARY_PATH'] = ( mips64el_toolchain_linux + '/lib/x86_64-linux-gnu/') extra_ldflags.append('-L' + mips64el_toolchain_linux + '/mips64el-linux-gnuabi64/lib') extra_cflags.extend([ '-Wno-format-truncation', '-Wno-uninitialized', ('-DDUMMY_mips64el_toolchain_linux_version=%s' % api.run.asset_version('mips64el_toolchain_linux', skia_dir)) ]) if configuration == 'Release': # This warning is only triggered when fuzz_canvas is inlined. extra_cflags.append('-Wno-strict-overflow') args.update({ 'skia_use_system_freetype2': 'false', 'skia_use_fontconfig': 'false', 'skia_enable_gpu': 'false', }) else: cc, cxx = 'gcc', 'g++' elif compiler == 'EMCC': cc = emscripten_sdk + '/emscripten/incoming/emcc' cxx = emscripten_sdk + '/emscripten/incoming/em++' extra_cflags.append('-Wno-unknown-warning-option') extra_cflags.append('-DDUMMY_emscripten_sdk_version=%s' % api.run.asset_version('emscripten_sdk', skia_dir)) if 'Coverage' in extra_tokens: # See https://clang.llvm.org/docs/SourceBasedCodeCoverage.html for # more info on using llvm to gather coverage information. extra_cflags.append('-fprofile-instr-generate') extra_cflags.append('-fcoverage-mapping') extra_ldflags.append('-fprofile-instr-generate') extra_ldflags.append('-fcoverage-mapping') if compiler != 'MSVC' and configuration == 'Debug': extra_cflags.append('-O1') if 'Exceptions' in extra_tokens: extra_cflags.append('/EHsc') if 'Fast' in extra_tokens: extra_cflags.extend(['-march=native', '-fomit-frame-pointer', '-O3', '-ffp-contract=off']) if len(extra_tokens) == 1 and extra_tokens[0].startswith('SK'): extra_cflags.append('-D' + extra_tokens[0]) # If we're limiting Skia at all, drop skcms to portable code. if 'SK_CPU_LIMIT' in extra_tokens[0]: extra_cflags.append('-DSKCMS_PORTABLE') if 'MSAN' in extra_tokens: extra_ldflags.append('-L' + clang_linux + '/msan') if configuration != 'Debug': args['is_debug'] = 'false' if 'ANGLE' in extra_tokens: args['skia_use_angle'] = 'true' if 'SwiftShader' in extra_tokens: swiftshader_root = skia_dir.join('third_party', 'externals', 'swiftshader') swiftshader_out = out_dir.join('swiftshader_out') compile_swiftshader(api, swiftshader_root, cc, cxx, swiftshader_out) args['skia_use_egl'] = 'true' extra_cflags.extend([ '-DGR_EGL_TRY_GLES3_THEN_GLES2', '-I%s' % skia_dir.join( 'third_party', 'externals', 'egl-registry', 'api'), '-I%s' % skia_dir.join( 'third_party', 'externals', 'opengl-registry', 'api'), ]) extra_ldflags.extend([ '-L%s' % swiftshader_out, ]) if 'CommandBuffer' in extra_tokens: chrome_dir = checkout_root api.run.run_once(build_command_buffer, api, chrome_dir, skia_dir, out_dir) if 'MSAN' in extra_tokens: args['skia_use_fontconfig'] = 'false' if 'ASAN' in extra_tokens or 'UBSAN' in extra_tokens: args['skia_enable_spirv_validation'] = 'false' if 'Mini' in extra_tokens: args.update({ 'is_component_build': 'true', # Proves we can link a coherent .so. 'is_official_build': 'true', # No debug symbols, no tools. 'skia_enable_effects': 'false', 'skia_enable_gpu': 'true', 'skia_enable_pdf': 'false', 'skia_use_expat': 'false', 'skia_use_libjpeg_turbo': 'false', 'skia_use_libpng': 'false', 'skia_use_libwebp': 'false', 'skia_use_zlib': 'false', }) if 'NoDEPS' in extra_tokens: args.update({ 'is_official_build': 'true', 'skia_enable_fontmgr_empty': 'true', 'skia_enable_gpu': 'true', 'skia_enable_effects': 'false', 'skia_enable_pdf': 'false', 'skia_use_expat': 'false', 'skia_use_freetype': 'false', 'skia_use_libjpeg_turbo': 'false', 'skia_use_libpng': 'false', 'skia_use_libwebp': 'false', 'skia_use_vulkan': 'false', 'skia_use_zlib': 'false', }) if 'NoGPU' in extra_tokens: args['skia_enable_gpu'] = 'false' if 'Shared' in extra_tokens: args['is_component_build'] = 'true' if 'Vulkan' in extra_tokens and not 'Android' in extra_tokens: args['skia_enable_vulkan_debug_layers'] = 'false' if api.vars.is_linux: args['skia_vulkan_sdk'] = '"%s"' % linux_vulkan_sdk if 'Win' in os: args['skia_vulkan_sdk'] = '"%s"' % win_vulkan_sdk if 'MoltenVK' in extra_tokens: args['skia_moltenvk_path'] = '"%s"' % moltenvk if 'Metal' in extra_tokens: args['skia_use_metal'] = 'true' if 'iOS' in extra_tokens: # Bots use Chromium signing cert. args['skia_ios_identity'] = '".*GS9WA.*"' args['skia_ios_profile'] = '"Upstream Testing Provisioning Profile"' if 'CheckGeneratedFiles' in extra_tokens: args['skia_compile_processors'] = 'true' args['skia_generate_workarounds'] = 'true' if compiler == 'Clang' and 'Win' in os: args['clang_win'] = '"%s"' % api.vars.slave_dir.join('clang_win') extra_cflags.append('-DDUMMY_clang_win_version=%s' % api.run.asset_version('clang_win', skia_dir)) if target_arch == 'wasm': args.update({ 'skia_use_freetype': 'false', 'skia_use_fontconfig': 'false', 'skia_use_dng_sdk': 'false', 'skia_use_icu': 'false', 'skia_enable_gpu': 'false', }) sanitize = '' for t in extra_tokens: if t.endswith('SAN'): sanitize = t if 'SafeStack' in extra_tokens: assert sanitize == '' sanitize = 'safe-stack' for (k,v) in { 'cc': cc, 'cxx': cxx, 'sanitize': sanitize, 'target_cpu': target_arch, 'target_os': 'ios' if 'iOS' in extra_tokens else '', 'win_sdk': win_toolchain + '/win_sdk' if 'Win' in os else '', 'win_vc': win_toolchain + '/VC' if 'Win' in os else '', }.iteritems(): if v: args[k] = '"%s"' % v if extra_cflags: args['extra_cflags'] = repr(extra_cflags).replace("'", '"') if extra_ldflags: args['extra_ldflags'] = repr(extra_ldflags).replace("'", '"') gn_args = ' '.join('%s=%s' % (k,v) for (k,v) in sorted(args.iteritems())) gn = 'gn.exe' if 'Win' in os else 'gn' ninja = 'ninja.exe' if 'Win' in os else 'ninja' gn = skia_dir.join('bin', gn) with api.context(cwd=skia_dir): api.run(api.python, 'fetch-gn', script=skia_dir.join('bin', 'fetch-gn'), infra_step=True) if 'CheckGeneratedFiles' in extra_tokens: env['PATH'] = '%s:%%(PATH)s' % skia_dir.join('bin') api.run(api.python, 'fetch-clang-format', script=skia_dir.join('bin', 'fetch-clang-format'), infra_step=True) if target_arch == 'wasm': fastcomp = emscripten_sdk + '/clang/fastcomp/build_incoming_64/bin' env['PATH'] = '%s:%%(PATH)s' % fastcomp with api.env(env): api.run(api.step, 'gn gen', cmd=[gn, 'gen', out_dir, '--args=' + gn_args]) api.run(api.step, 'ninja', cmd=[ninja, '-k', '0', '-C', out_dir]) def copy_extra_build_products(api, src, dst): if 'SwiftShader' in api.vars.extra_tokens: util.copy_whitelisted_build_products(api, src.join('swiftshader_out'), api.vars.swarming_out_dir.join('swiftshader_out'))