# Copyright 2016 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. import default_flavor """GN flavor utils, used for building Skia with GN.""" class GNFlavorUtils(default_flavor.DefaultFlavorUtils): def _run(self, title, cmd, infra_step=False, **kwargs): return self.m.run(self.m.step, title, cmd=cmd, infra_step=infra_step, **kwargs) def _py(self, title, script, infra_step=True, args=()): return self.m.run(self.m.python, title, script=script, args=args, infra_step=infra_step) def build_command_buffer(self): self.m.run(self.m.python, 'build command_buffer', script=self.m.vars.skia_dir.join('tools', 'build_command_buffer.py'), args=[ '--chrome-dir', self.m.vars.checkout_root, '--output-dir', self.m.vars.skia_out.join(self.m.vars.configuration), '--no-sync', '--make-output-dir']) def compile(self, unused_target): """Build Skia with GN.""" compiler = self.m.vars.builder_cfg.get('compiler', '') configuration = self.m.vars.builder_cfg.get('configuration', '') extra_config = self.m.vars.builder_cfg.get('extra_config', '') os = self.m.vars.builder_cfg.get('os', '') target_arch = self.m.vars.builder_cfg.get('target_arch', '') clang_linux = str(self.m.vars.slave_dir.join('clang_linux')) emscripten_sdk = str(self.m.vars.slave_dir.join('emscripten_sdk')) linux_vulkan_sdk = str(self.m.vars.slave_dir.join('linux_vulkan_sdk')) win_toolchain = str(self.m.vars.slave_dir.join( 't', 'depot_tools', 'win_toolchain', 'vs_files', 'd3cb0e37bdd120ad0ac4650b674b09e81be45616')) win_vulkan_sdk = str(self.m.vars.slave_dir.join('win_vulkan_sdk')) cc, cxx = None, None extra_cflags = [] extra_ldflags = [] if compiler == 'Clang' and self.m.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') elif compiler == 'Clang': cc, cxx = 'clang', 'clang++' elif compiler == 'GCC' and os == "Ubuntu14": cc, cxx = 'gcc-4.8', 'g++-4.8' elif compiler == 'GCC': 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') if 'Coverage' in extra_config: # 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 extra_config == 'Exceptions': extra_cflags.append('/EHsc') if extra_config == 'Fast': extra_cflags.extend(['-march=native', '-fomit-frame-pointer', '-O3', '-ffp-contract=off']) if extra_config.startswith('SK'): extra_cflags.append('-D' + extra_config) if extra_config == 'MSAN': extra_ldflags.append('-L' + clang_linux + '/msan') args = {} if configuration != 'Debug': args['is_debug'] = 'false' if extra_config == 'ANGLE': args['skia_use_angle'] = 'true' if extra_config == 'CommandBuffer': self.m.run.run_once(self.build_command_buffer) if extra_config == 'MSAN': args['skia_enable_gpu'] = 'false' args['skia_use_fontconfig'] = 'false' if 'ASAN' in extra_config or 'UBSAN' in extra_config: args['skia_enable_spirv_validation'] = 'false' if extra_config == 'Mini': 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 extra_config == 'NoGPU': args['skia_enable_gpu'] = 'false' if extra_config == 'Shared': args['is_component_build'] = 'true' if 'Vulkan' in extra_config and not 'Android' in extra_config: args['skia_enable_vulkan_debug_layers'] = 'false' if self.m.vars.is_linux: args['skia_vulkan_sdk'] = '"%s"' % linux_vulkan_sdk if 'Win' in os: args['skia_vulkan_sdk'] = '"%s"' % win_vulkan_sdk if 'Metal' in extra_config: args['skia_use_metal'] = 'true' if 'CheckGeneratedFiles' in extra_config: args['skia_compile_processors'] = 'true' if compiler == 'Clang' and 'Win' in os: args['clang_win'] = '"%s"' % self.m.vars.slave_dir.join('clang_win') 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 = '' if 'SAN' in extra_config: sanitize = extra_config elif 'SafeStack' in extra_config: sanitize = 'safe-stack' for (k,v) in { 'cc': cc, 'cxx': cxx, 'sanitize': sanitize, 'target_cpu': target_arch, 'target_os': 'ios' if 'iOS' in extra_config else '', 'windk': win_toolchain if 'Win' in os else '', 'win_sdk': win_toolchain + '/win_sdk' 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 = self.m.vars.skia_dir.join('bin', gn) with self.m.context(cwd=self.m.vars.skia_dir): self._py('fetch-gn', self.m.vars.skia_dir.join('bin', 'fetch-gn')) env = {} if 'CheckGeneratedFiles' in extra_config: env['PATH'] = '%s:%%(PATH)s' % self.m.vars.skia_dir.join('bin') self._py( 'fetch-clang-format', self.m.vars.skia_dir.join('bin', 'fetch-clang-format')) if target_arch == 'wasm': fastcomp = emscripten_sdk + '/clang/fastcomp/build_incoming_64/bin' env['PATH'] = '%s:%%(PATH)s' % fastcomp with self.m.env(env): self._run('gn gen', [gn, 'gen', self.out_dir, '--args=' + gn_args]) self._run('ninja', [ninja, '-k', '0', '-C', self.out_dir]) def copy_extra_build_products(self, swarming_out_dir): configuration = self.m.vars.builder_cfg.get('configuration', '') extra_config = self.m.vars.builder_cfg.get('extra_config', '') os = self.m.vars.builder_cfg.get('os', '') win_vulkan_sdk = str(self.m.vars.slave_dir.join('win_vulkan_sdk')) if 'Win' in os and extra_config == 'Vulkan': self.m.run.copy_build_products( win_vulkan_sdk, swarming_out_dir.join('out', configuration + '_x64')) def step(self, name, cmd): app = self.m.vars.skia_out.join(self.m.vars.configuration, cmd[0]) cmd = [app] + cmd[1:] env = self.m.context.env path = [] ld_library_path = [] slave_dir = self.m.vars.slave_dir clang_linux = str(slave_dir.join('clang_linux')) extra_config = self.m.vars.builder_cfg.get('extra_config', '') if self.m.vars.is_linux: if (self.m.vars.builder_cfg.get('cpu_or_gpu', '') == 'GPU' and 'Intel' in self.m.vars.builder_cfg.get('cpu_or_gpu_value', '')): # The vulkan in this asset name simply means that the graphics driver # supports Vulkan. It is also the driver used for GL code. dri_path = slave_dir.join('linux_vulkan_intel_driver_release') if self.m.vars.builder_cfg.get('configuration', '') == 'Debug': dri_path = slave_dir.join('linux_vulkan_intel_driver_debug') ld_library_path.append(dri_path) env['LIBGL_DRIVERS_PATH'] = str(dri_path) env['VK_ICD_FILENAMES'] = str(dri_path.join('intel_icd.x86_64.json')) if 'Vulkan' in extra_config: path.append(slave_dir.join('linux_vulkan_sdk', 'bin')) ld_library_path.append(slave_dir.join('linux_vulkan_sdk', 'lib')) if 'SAN' in extra_config: # Sanitized binaries may want to run clang_linux/bin/llvm-symbolizer. path.append(clang_linux + '/bin') elif self.m.vars.is_linux: cmd = ['catchsegv'] + cmd if 'ASAN' == extra_config or 'UBSAN' in extra_config: env[ 'ASAN_OPTIONS'] = 'symbolize=1 detect_leaks=1' env[ 'LSAN_OPTIONS'] = 'symbolize=1 print_suppressions=1' env['UBSAN_OPTIONS'] = 'symbolize=1 print_stacktrace=1' if 'MSAN' == extra_config: # Find the MSAN-built libc++. ld_library_path.append(clang_linux + '/msan') if 'TSAN' == extra_config: # We don't care about malloc(), fprintf, etc. used in signal handlers. # If we're in a signal handler, we're already crashing... env['TSAN_OPTIONS'] = 'report_signal_unsafe=0' if 'Coverage' in extra_config: # This is the output file for the coverage data. Just running the binary # will produce the output. The output_file is in the swarming_out_dir and # thus will be an isolated output of the Test step. profname = '%s.profraw' % self.m.vars.builder_cfg.get('test_filter','o') env['LLVM_PROFILE_FILE'] = self.m.path.join(self.m.vars.swarming_out_dir, profname) if path: env['PATH'] = '%%(PATH)s:%s' % ':'.join('%s' % p for p in path) if ld_library_path: env['LD_LIBRARY_PATH'] = ':'.join('%s' % p for p in ld_library_path) to_symbolize = ['dm', 'nanobench'] if name in to_symbolize and self.m.vars.is_linux: # Convert path objects or placeholders into strings such that they can # be passed to symbolize_stack_trace.py args = [slave_dir] + [str(x) for x in cmd] with self.m.context(cwd=self.m.vars.skia_dir, env=env): self._py('symbolized %s' % name, self.module.resource('symbolize_stack_trace.py'), args=args, infra_step=False) else: with self.m.context(env=env): self._run(name, cmd)