зеркало из https://github.com/AvaloniaUI/angle.git
115 строки
4.1 KiB
Python
Executable File
115 строки
4.1 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2016 The ANGLE Project Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Generate copies of the Vulkan layers JSON files, with no paths, forcing
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Vulkan to use the default search path to look for layers."""
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from __future__ import print_function
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import argparse
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import glob
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import json
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import os
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import platform
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import sys
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def glob_slash(dirname):
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"""Like regular glob but replaces \ with / in returned paths."""
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return [s.replace('\\', '/') for s in glob.glob(dirname)]
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def main():
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('--icd', action='store_true')
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parser.add_argument('source_dir')
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parser.add_argument('target_dir')
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parser.add_argument('version_header', help='path to vulkan_core.h')
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parser.add_argument('json_files', nargs='*')
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args = parser.parse_args()
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source_dir = args.source_dir
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target_dir = args.target_dir
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json_files = [j for j in args.json_files if j.endswith('.json')]
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json_in_files = [j for j in args.json_files if j.endswith('.json.in')]
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data_key = 'ICD' if args.icd else 'layer'
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if not os.path.isdir(source_dir):
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print(source_dir + ' is not a directory.', file=sys.stderr)
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return 1
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if not os.path.exists(target_dir):
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os.makedirs(target_dir)
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# Copy the *.json files from source dir to target dir
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if (set(glob_slash(os.path.join(source_dir, '*.json'))) != set(json_files)):
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print(glob.glob(os.path.join(source_dir, '*.json')))
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print('.json list in gn file is out-of-date', file=sys.stderr)
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return 1
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for json_fname in json_files:
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if not json_fname.endswith('.json'):
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continue
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with open(json_fname) as infile:
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data = json.load(infile)
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# Update the path.
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if not data_key in data:
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raise Exception("Could not find '%s' key in %s" % (data_key, json_fname))
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# The standard validation layer has no library path.
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if 'library_path' in data[data_key]:
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prev_name = os.path.basename(data[data_key]['library_path'])
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data[data_key]['library_path'] = prev_name
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target_fname = os.path.join(target_dir, os.path.basename(json_fname))
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with open(target_fname, 'wb') as outfile:
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json.dump(data, outfile)
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# Get the Vulkan version from the vulkan_core.h file
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vk_header_filename = args.version_header
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vk_version = None
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with open(vk_header_filename) as vk_header_file:
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for line in vk_header_file:
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if line.startswith('#define VK_HEADER_VERSION'):
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vk_version = line.split()[-1]
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break
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if not vk_version:
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print('failed to extract vk_version', file=sys.stderr)
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return 1
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# Set json file prefix and suffix for generating files, default to Linux.
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relative_path_prefix = '../lib'
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file_type_suffix = '.so'
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if platform.system() == 'Windows':
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relative_path_prefix = r'..\\' # json-escaped, hence two backslashes.
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file_type_suffix = '.dll'
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# For each *.json.in template files in source dir generate actual json file
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# in target dir
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if (set(glob_slash(os.path.join(source_dir, '*.json.in'))) != set(json_in_files)):
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print('.json.in list in gn file is out-of-date', file=sys.stderr)
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return 1
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for json_in_name in json_in_files:
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if not json_in_name.endswith('.json.in'):
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continue
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json_in_fname = os.path.basename(json_in_name)
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layer_name = json_in_fname[:-len('.json.in')]
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layer_lib_name = layer_name + file_type_suffix
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json_out_fname = os.path.join(target_dir, json_in_fname[:-len('.in')])
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with open(json_out_fname,'w') as json_out_file, \
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open(json_in_name) as infile:
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for line in infile:
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line = line.replace('@RELATIVE_LAYER_BINARY@',
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relative_path_prefix + layer_lib_name)
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line = line.replace('@VK_VERSION@', '1.1.' + vk_version)
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json_out_file.write(line)
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if __name__ == '__main__':
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sys.exit(main())
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