blob: 513f694cae286ca28eeb27e93447013cc5419588 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2016 The ANGLE Project Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Generate copies of the Vulkan layers JSON files, with no paths, forcing
Vulkan to use the default search path to look for layers."""
from __future__ import print_function
import argparse
import glob
import json
import os
import platform
import sys
def glob_slash(dirname):
"""Like regular glob but replaces \ with / in returned paths."""
return [s.replace('\\', '/') for s in glob.glob(dirname)]
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--icd', action='store_true')
parser.add_argument('version_header', help='path to vulkan_core.h')
parser.add_argument('json_files', nargs='*')
parser.add_argument('--replacement', help='replacement for the library', default=None)
args = parser.parse_args()
source_dir = args.source_dir
target_dir = args.target_dir
json_files = [j for j in args.json_files if j.endswith('.json')]
json_in_files = [j for j in args.json_files if j.endswith('')]
data_key = 'ICD' if args.icd else 'layer'
if not os.path.isdir(source_dir):
print(source_dir + ' is not a directory.', file=sys.stderr)
return 1
if not os.path.exists(target_dir):
# Copy the *.json files from source dir to target dir
if (set(glob_slash(os.path.join(source_dir, '*.json'))) !=
set(json_files)) and data_key != 'ICD':
print(glob.glob(os.path.join(source_dir, '*.json')))
print('.json list in gn file is out-of-date', file=sys.stderr)
return 1
for json_fname in json_files:
if not json_fname.endswith('.json'):
with open(json_fname) as infile:
data = json.load(infile)
# Update the path.
if not data_key in data:
raise Exception("Could not find '%s' key in %s" % (data_key, json_fname))
# The standard validation layer has no library path.
if 'library_path' in data[data_key]:
prev_name = os.path.basename(data[data_key]['library_path'])
if args.replacement:
data[data_key]['library_path'] = args.replacement
data[data_key]['library_path'] = prev_name
target_fname = os.path.join(target_dir, os.path.basename(json_fname))
with open(target_fname, 'wb') as outfile:
json.dump(data, outfile)
# Get the Vulkan version from the vulkan_core.h file
vk_header_filename = args.version_header
vk_version = None
if data_key != 'ICD':
with open(vk_header_filename) as vk_header_file:
for line in vk_header_file:
if line.startswith('#define VK_HEADER_VERSION'):
vk_version = line.split()[-1]
if not vk_version:
print('failed to extract vk_version', file=sys.stderr)
return 1
# Set json file prefix and suffix for generating files, default to Linux.
relative_path_prefix = '../lib'
file_type_suffix = '.so'
if platform.system() == 'Windows':
relative_path_prefix = r'..\\' # json-escaped, hence two backslashes.
file_type_suffix = '.dll'
# For each * template files in source dir generate actual json file
# in target dir
if (set(glob_slash(os.path.join(source_dir, '*'))) != set(json_in_files)):
print(' list in gn file is out-of-date', file=sys.stderr)
return 1
for json_in_name in json_in_files:
if not json_in_name.endswith(''):
json_in_fname = os.path.basename(json_in_name)
layer_name = json_in_fname[:-len('')]
layer_lib_name = layer_name + file_type_suffix
json_out_fname = os.path.join(target_dir, json_in_fname[:-len('.in')])
with open(json_out_fname,'w') as json_out_file, \
open(json_in_name) as infile:
for line in infile:
line = line.replace('@RELATIVE_LAYER_BINARY@',
relative_path_prefix + layer_lib_name)
line = line.replace('@VK_VERSION@', '1.1.' + vk_version)
if __name__ == '__main__':