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#!/usr/bin/env python3
# Copyright 2018 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Generates bindings that are used gpu_renderer.
A sysroot and virglrenderer source checkout is required. The defaults to the
root directory.
"""
from __future__ import print_function
import argparse
import multiprocessing.pool
import os
import subprocess
import sys
import tempfile
# Bright green.
PASS_COLOR = '\033[1;32m'
# Bright red.
FAIL_COLOR = '\033[1;31m'
# Default color.
END_COLOR = '\033[0m'
verbose = False
def generate_module(module_name, whitelist, header, clang_args, lib_name,
derive_default):
args = [
'bindgen',
'--no-layout-tests',
'--whitelist-function', whitelist,
'--whitelist-var', whitelist,
'--whitelist-type', whitelist,
'--no-prepend-enum-name',
'--no-rustfmt-bindings',
'-o', module_name + '.rs',
];
if lib_name:
args.extend(['--raw-line',
'#[link(name = "{}")] extern {{}}'.format(lib_name)])
if derive_default:
args.append('--with-derive-default')
args.extend([header, '--'])
args.extend(clang_args)
if verbose:
print(' '.join(args))
if subprocess.Popen(args).wait() == 0:
return 'pass'
else:
return 'bindgen failed'
def download_virgl(src, dst, branch):
virgl_src = tempfile.TemporaryDirectory(prefix='virglrenderer-src')
args = ['git', 'clone']
if branch:
args.extend(['-b', branch])
args.extend([src, dst])
if verbose:
print(' '.join(args))
if subprocess.Popen(args).wait() == 0:
return True
else:
return False
def get_parser():
"""Gets the argument parser"""
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--sysroot',
default='/',
help='sysroot directory (default=%(default)s)')
parser.add_argument('--virglrenderer',
default='git://git.freedesktop.org/git/virglrenderer',
help='virglrenderer src dir/repo (default=%(default)s)')
parser.add_argument('--virgl_branch',
default='master',
help='virglrenderer branch name (default=%(default)s)')
parser.add_argument('--verbose', '-v',
action='store_true',
help='enable verbose output (default=%(default)s)')
return parser
def main(argv):
global verbose
os.chdir(os.path.dirname(sys.argv[0]))
opts = get_parser().parse_args(argv)
if opts.verbose:
verbose = True
virgl_src_dir = opts.virglrenderer
virgl_src_dir_temp = None
if '://' in opts.virglrenderer:
virgl_src_dir_temp = tempfile.TemporaryDirectory(prefix='virglrenderer-src')
virgl_src_dir = virgl_src_dir_temp.name
if not download_virgl(opts.virglrenderer, virgl_src_dir, opts.virgl_branch):
print('failed to clone \'{}\' to \'{}\''.format(virgl_src_dir,
opts.virgl_branch))
sys.exit(1)
clang_args = ['-I', os.path.join(opts.sysroot, 'usr/include')]
modules = (
(
'virglrenderer',
'(virgl|VIRGL)_.+',
os.path.join(opts.sysroot, 'usr/include/virgl/virglrenderer.h'),
clang_args,
'virglrenderer',
True,
),
(
'virgl_protocol',
'(virgl)|(VIRGL)_.+',
os.path.join(virgl_src_dir, 'src/virgl_protocol.h'),
clang_args,
None,
False,
),
(
'p_defines',
'(pipe)|(PIPE).+',
os.path.join(virgl_src_dir, 'src/gallium/include/pipe/p_defines.h'),
clang_args,
None,
False,
),
(
'p_format',
'pipe_format',
os.path.join(virgl_src_dir, 'src/gallium/include/pipe/p_format.h'),
clang_args,
None,
False,
),
)
pool = multiprocessing.pool.Pool(len(modules))
results = pool.starmap(generate_module, modules, 1)
return_fail = False
print('---')
print('generate module summary:')
for module, result in zip(modules, results):
result_color = FAIL_COLOR
if result == 'pass':
result_color = PASS_COLOR
else:
return_fail = True
print('%15s: %s%s%s' %
(module[0], result_color, result, END_COLOR))
if return_fail:
sys.exit(1)
with open('mod.rs', 'w') as f:
print('/* generated by generate.py */', file=f)
print('#![allow(dead_code)]', file=f)
print('#![allow(non_camel_case_types)]', file=f)
print('#![allow(non_snake_case)]', file=f)
print('#![allow(non_upper_case_globals)]', file=f)
for module in modules:
print('pub mod', module[0] + ';', file=f)
print('pub mod virtgpu_hw;', file=f)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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