| #!/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 android_framework_gyp |
| 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. |
| GYP_GEN_DIR = os.path.join(SKIA_DIR, 'platform_tools', 'android', 'gyp_gen') |
| sys.path.append(GYP_GEN_DIR) |
| |
| import gypd_parser |
| import generate_user_config |
| import makefile_writer |
| import vars_dict_lib |
| |
| # Folder containing all gyp files and generated gypd files. |
| GYP_FOLDER = 'gyp' |
| |
| # TODO(scroggo): Update the docstrings to match the style guide: |
| # http://google-styleguide.googlecode.com/svn/trunk/pyguide.html#Comments |
| def clean_gypd_files(folder): |
| """ |
| Remove the gypd files generated by android_framework_gyp.main(). |
| @param folder Folder in which to delete all files ending with 'gypd'. |
| """ |
| assert os.path.isdir(folder) |
| files = os.listdir(folder) |
| for f in files: |
| if f.endswith('gypd'): |
| os.remove(os.path.join(folder, f)) |
| |
| 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(). |
| @param target_dir Directory containing gyp files. |
| @param target_file Target gyp file. |
| @param skia_arch_type Target architecture. |
| @param have_neon Whether the target should build for neon. |
| @return 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) |
| clean_gypd_files(target_dir) |
| print '.', |
| return var_dict |
| |
| def main(target_dir=None, require_sk_user_config=False): |
| """ |
| Read gyp files and create Android.mk for the Android framework's |
| external/skia. |
| @param target_dir Directory in which to place 'Android.mk'. If None, the file |
| will be placed in skia's root directory. |
| @param 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) |
| |
| 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, arm64_var_dict] |
| common = vars_dict_lib.intersect(var_dict_list) |
| |
| # 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, |
| ordered_set=common.DEFINES) |
| |
| # Now that the defines have been written to SkUserConfig, they are not |
| # needed in Android.mk. |
| 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(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() |