# 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')) 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': cc, cxx = 'gcc', 'g++' 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 == 'GDI': args['skia_use_gdi'] = 'true' if extra_config == 'MSAN': args['skia_enable_gpu'] = 'false' args['skia_use_fontconfig'] = 'false' if extra_config == 'ASAN': args['skia_enable_spirv_validation'] = 'false' if extra_config == 'Mesa': args['skia_use_mesa'] = 'true' 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 extra_config == 'Vulkan': 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 for (k,v) in { 'cc': cc, 'cxx': cxx, 'sanitize': extra_config if 'SAN' in extra_config else '', 'target_cpu': target_arch, 'target_os': 'ios' if 'iOS' in extra_config else '', 'windk': win_toolchain 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')) self._run('gn gen', [gn, 'gen', self.out_dir, '--args=' + gn_args]) self._run('ninja', [ninja, '-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 clang_linux = str(self.m.vars.slave_dir.join('clang_linux')) extra_config = self.m.vars.builder_cfg.get('extra_config', '') if 'SAN' in extra_config: # Sanitized binaries may want to run clang_linux/bin/llvm-symbolizer. env['PATH'] = '%%(PATH)s:%s' % clang_linux + '/bin' elif self.m.vars.is_linux: cmd = ['catchsegv'] + cmd if 'ASAN' == 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++. env['LD_LIBRARY_PATH'] = clang_linux + '/msan' 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 = [self.m.vars.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)