#!/usr/bin/python # Copyright 2014 Google Inc. # # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. """ Script for generating the Android framework's version of Skia from gyp files. """ import os import shutil import sys import tempfile # Find the top of trunk SCRIPT_DIR = os.path.abspath(os.path.dirname(__file__)) SKIA_DIR = os.path.normpath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir, os.pardir)) # Find the directory with our helper files, and add it to the path. ANDROID_TOOLS = os.path.join(SKIA_DIR, 'platform_tools', 'android') sys.path.append(ANDROID_TOOLS) import gyp_gen.android_framework_gyp as android_framework_gyp import gyp_gen.gypd_parser as gypd_parser import gyp_gen.generate_user_config as generate_user_config import gyp_gen.makefile_writer as makefile_writer import gyp_gen.tool_makefile_writer as tool_makefile_writer import gyp_gen.vars_dict_lib as vars_dict_lib # Folder containing all gyp files and generated gypd files. GYP_FOLDER = 'gyp' def generate_var_dict(target_dir, target_file, skia_arch_type, have_neon): """Create a VarsDict for a particular arch type. Each paramater is passed directly to android_framework_gyp.main(). Args: target_dir: Directory containing gyp files. target_file: Target gyp file. skia_arch_type: Target architecture. have_neon: Whether the target should build for neon. Returns: A VarsDict containing the variable definitions determined by gyp. """ result_file = android_framework_gyp.main(target_dir, target_file, skia_arch_type, have_neon) var_dict = vars_dict_lib.VarsDict() gypd_parser.parse_gypd(var_dict, result_file, '.') android_framework_gyp.clean_gypd_files(target_dir) print '.', return var_dict def main(target_dir=None, require_sk_user_config=False): """Create Android.mk for the Android framework's external/skia. Builds Android.mk using Skia's gyp files. Args: target_dir: Directory in which to place 'Android.mk'. If None, the file will be placed in skia's root directory. require_sk_user_config: If True, raise an AssertionError if SkUserConfig.h does not exist. """ # Create a temporary folder to hold gyp and gypd files. Create it in SKIA_DIR # so that it is a sibling of gyp/, so the relationships between gyp files and # other files (e.g. platform_tools/android/gyp/dependencies.gypi, referenced # by android_deps.gyp as a relative path) is unchanged. # Use mkdtemp to find an unused folder name, but then delete it so copytree # can be called with a non-existent directory. tmp_folder = tempfile.mkdtemp(dir=SKIA_DIR) os.rmdir(tmp_folder) shutil.copytree(os.path.join(SKIA_DIR, GYP_FOLDER), tmp_folder) try: main_gyp_file = 'android_framework_lib.gyp' print 'Creating Android.mk', # Generate a separate VarsDict for each architecture type. For each # archtype: # 1. call android_framework_gyp.main() to generate gypd files # 2. call parse_gypd to read those gypd files into the VarsDict # 3. delete the gypd files # # Once we have the VarsDict for each architecture type, we combine them all # into a single Android.mk file, which can build targets of any # architecture type. # The default uses a non-existant archtype, to find all the general # variable definitions. default_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'other', False) arm_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'arm', False) arm_neon_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'arm', True) x86_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'x86', False) mips_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'mips', False) mips64_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'mips64', False) arm64_var_dict = generate_var_dict(tmp_folder, main_gyp_file, 'arm64', False) # Compute the intersection of all targets. All the files in the intersection # should be part of the makefile always. Each dict will now contain trimmed # lists containing only variable definitions specific to that configuration. var_dict_list = [default_var_dict, arm_var_dict, arm_neon_var_dict, x86_var_dict, mips_var_dict, mips64_var_dict, arm64_var_dict] common = vars_dict_lib.intersect(var_dict_list) common.LOCAL_MODULE.add('libskia') # Create SkUserConfig user_config = os.path.join(SKIA_DIR, 'include', 'config', 'SkUserConfig.h') if target_dir: dst_dir = target_dir else: dst_dir = os.path.join(SKIA_DIR, 'include', 'core') generate_user_config.generate_user_config( original_sk_user_config=user_config, require_sk_user_config=require_sk_user_config, target_dir=dst_dir, defines=common.DEFINES) tool_makefile_writer.generate_tool(gyp_dir=tmp_folder, target_file='bench.gyp', skia_trunk=target_dir, dest_dir='bench', skia_lib_var_dict=common, local_module_name='skia_nanobench', local_module_tags=['tests'], desired_targets=['nanobench']) tool_makefile_writer.generate_tool(gyp_dir=tmp_folder, target_file='gm.gyp', skia_trunk=target_dir, dest_dir='gm', skia_lib_var_dict=common, local_module_name='skia_gm', local_module_tags=['tests'], desired_targets=['gm']) tool_makefile_writer.generate_tool(gyp_dir=tmp_folder, target_file='dm.gyp', skia_trunk=target_dir, dest_dir='dm', skia_lib_var_dict=common, local_module_name='skia_dm', local_module_tags=['tests'], desired_targets=['dm']) # Now that the defines have been written to SkUserConfig and they've been # used to skip adding them to the tools makefiles, they are not needed in # Android.mk. Reset DEFINES. common.DEFINES.reset() # Further trim arm_neon_var_dict with arm_var_dict. After this call, # arm_var_dict (which will now be the intersection) includes all definitions # used by both arm and arm + neon, and arm_neon_var_dict will only contain # those specific to arm + neon. arm_var_dict = vars_dict_lib.intersect([arm_var_dict, arm_neon_var_dict]) # Now create a list of VarsDictData holding everything but common. deviations_from_common = [] deviations_from_common.append(makefile_writer.VarsDictData( arm_var_dict, 'arm')) deviations_from_common.append(makefile_writer.VarsDictData( arm_neon_var_dict, 'arm', 'ARCH_ARM_HAVE_NEON')) deviations_from_common.append(makefile_writer.VarsDictData(x86_var_dict, 'x86')) # Currently, x86_64 is identical to x86 deviations_from_common.append(makefile_writer.VarsDictData(x86_var_dict, 'x86_64')) deviations_from_common.append(makefile_writer.VarsDictData(mips_var_dict, 'mips')) deviations_from_common.append(makefile_writer.VarsDictData(mips64_var_dict, 'mips64')) deviations_from_common.append(makefile_writer.VarsDictData(arm64_var_dict, 'arm64')) makefile_writer.write_android_mk(target_dir=target_dir, common=common, deviations_from_common=deviations_from_common) finally: shutil.rmtree(tmp_folder) if __name__ == '__main__': main()