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#!/usr/bin/python
# Copyright 2016 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
Script to build the command buffer shared library and copy it to Skia tree
"""
import argparse
import os
import shlex
import shutil
import subprocess
import sys
def main():
parser = argparse.ArgumentParser(description=('Builds command_buffer_gles2 '
'library and copies it'))
parser.add_argument('-c', '--chrome-dir', required=True, help=
'path to Chromium checkout (directory containing .gclient)')
parser.add_argument('-o', '--output-dir', required=True,
help='path to copy the command buffer shared library to. Typically this '
'is out/Debug or out/Release in a Skia repository')
parser.add_argument('--make-output-dir', default=False, action='store_true',
help='Makes the output directory if it does not already exist.')
parser.add_argument('--chrome-out-dir', default='CommandBufferForSkia',
help='Type of name of the gn output directory (e.g. Debug or Release). '
'This is relative to the Chromium src/out directory. Note that this '
'script will reset the gn args in this directory on each run.')
parser.add_argument('--extra-gn-args', default='',
help=('Extra GN arguments to use for the output directory used to build'
'the command buffer'))
parser.add_argument('--extra-ninja-args', default='',
help=('Extra arguments to pass to ninja when building the command '
'buffer shared library'))
parser.add_argument('--chrome-revision', default='origin/lkgr',
help='Revision (hash, branch, tag) of Chromium to use.')
parser.add_argument('--no-sync', action='store_true', default=False,
help='Don\'t run git fetch or gclient sync in the Chromium tree')
parser.add_argument('--no-hooks', action='store_true', default=False,
help='Don\'t run gclient runhooks in the Chromium tree. Implies '
'--no-sync')
args = parser.parse_args()
args.chrome_dir = os.path.abspath(args.chrome_dir)
args.output_dir = os.path.abspath(args.output_dir)
if args.no_hooks:
args.no_sync = True
if os.path.isfile(args.chrome_dir):
sys.exit(args.chrome_dir + ' exists but is a file.')
if os.path.isfile(args.output_dir):
sys.exit(args.output_dir + ' exists but is a file.')
chrome_src_dir = os.path.join(args.chrome_dir, 'src')
if not os.path.isdir(chrome_src_dir):
sys.exit(chrome_src_dir + ' is not a directory.')
if os.path.isfile(args.output_dir):
sys.exit(args.output_dir + ' exists but is a file.')
elif not os.path.isdir(args.output_dir):
if args.make_output_dir:
os.makedirs(args.output_dir)
else:
sys.exit(args.output_dir + ' does not exist (specify --make-output-dir '
'to create).')
chrome_target_dir_rel = os.path.join('out', args.chrome_out_dir)
# The command buffer shared library will have a different name on Linux,
# Mac, and Windows. Also, the name of the gclient executable we call out to
# has a .bat file extension on Windows.
platform = sys.platform
if platform == 'cygwin':
platform = 'win32'
shared_lib_name = 'libcommand_buffer_gles2.so'
gclient = 'gclient'
if platform == 'darwin':
shared_lib_name = 'libcommand_buffer_gles2.dylib'
elif platform == 'win32':
shared_lib_name = 'command_buffer_gles2.dll'
gclient = 'gclient.bat'
if not args.no_sync:
try:
subprocess.check_call(['git', 'fetch'], cwd=chrome_src_dir)
except subprocess.CalledProcessError as error:
sys.exit('Error (ret code: %s) calling "%s" in %s' % (error.returncode,
error.cmd, chrome_src_dir))
try:
subprocess.check_call(['git', 'checkout', args.chrome_revision],
cwd=chrome_src_dir)
except subprocess.CalledProcessError as error:
sys.exit('Error (ret code: %s) calling "%s" in %s' % (error.returncode,
error.cmd, chrome_src_dir))
try:
os.environ['GYP_GENERATORS'] = 'ninja'
subprocess.check_call([gclient, 'sync', '--reset', '--force',
'--nohooks'],
cwd=chrome_src_dir)
except subprocess.CalledProcessError as error:
sys.exit('Error (ret code: %s) calling "%s" in %s' % (error.returncode,
error.cmd, chrome_src_dir))
if not args.no_hooks:
try:
subprocess.check_call([gclient, 'runhooks'], cwd=chrome_src_dir)
except subprocess.CalledProcessError as error:
sys.exit('Error (ret code: %s) calling "%s" in %s' % (
error.returncode, error.cmd, chrome_src_dir))
gn = 'gn'
platform = 'linux64'
if sys.platform == 'darwin':
platform = 'mac'
elif sys.platform == 'win32':
platform = 'win'
gn = 'gn.exe'
gn = os.path.join(chrome_src_dir, 'buildtools', platform, gn)
try:
gnargs = 'is_component_build=false is_debug=false ' + args.extra_gn_args
subprocess.check_call([gn, 'gen', chrome_target_dir_rel, '--args='+gnargs],
cwd=chrome_src_dir)
except subprocess.CalledProcessError as error:
sys.exit('Error (ret code: %s) calling "%s" in %s' % (
error.returncode, error.cmd, chrome_src_dir))
try:
subprocess.check_call(['ninja'] + shlex.split(args.extra_ninja_args) +
['-C', chrome_target_dir_rel, 'command_buffer_gles2'],
cwd=chrome_src_dir)
except subprocess.CalledProcessError as error:
sys.exit('Error (ret code: %s) calling "%s" in %s' % (error.returncode,
error.cmd, chrome_src_dir))
shared_lib_src_dir = os.path.join(chrome_src_dir, chrome_target_dir_rel)
shared_lib_src = os.path.join(shared_lib_src_dir, shared_lib_name)
shared_lib_dst = os.path.join(args.output_dir, shared_lib_name)
if not os.path.isfile(shared_lib_src):
sys.exit('Command buffer shared library not at expected location: ' +
shared_lib_src)
shutil.copy2(shared_lib_src, shared_lib_dst)
if not os.path.isfile(shared_lib_dst):
sys.exit('Command buffer library not copied to ' + shared_lib_dst)
print('Command buffer library copied to ' + shared_lib_dst)
if __name__ == '__main__':
main()
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