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#!/usr/bin/env python3
#
# Copyright 2019 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Creates a GN include file for building dav1d from source."""
__author__ = "dalecurtis@chromium.org (Dale Curtis)"
import datetime
import glob
import os
_COPYRIGHT = """# Copyright %d The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# NOTE: this file is autogenerated by dav1d/generate_sources.py - DO NOT EDIT.
""" % (
datetime.datetime.now().year)
# .c files which don't need -DBIT_DEPTH specified for each compilation.
_DAV1D_ENTRY_POINT_SOURCES = [
"libdav1d/src/lib.c",
"libdav1d/src/thread_task.c",
"libdav1d/src/thread_task.h",
]
def _Glob(pattern):
# Replace path separator. Needed when running on Windows.
return [i.replace(os.sep, '/') for i in glob.glob(pattern)]
def _WriteArray(fd, var_name, array, filter_list=[], last_entry=False):
if len(array) == 0:
fd.write("%s = []\n" % var_name)
return
fd.write("%s = [\n" % var_name)
for item in sorted(array):
if item not in filter_list:
fd.write(" \"%s\",\n" % item)
fd.write("]\n")
if not last_entry:
fd.write("\n")
def _WriteGn(fd):
fd.write(_COPYRIGHT)
# NOTE: $arch_template_sources are empty as of Dec 2022. If they remain
# empty over the next few rolls we should remove them.
_WriteArray(fd, "x86_asm_sources", _Glob("libdav1d/src/x86/*.asm"),
["libdav1d/src/x86/filmgrain_common.asm"])
_WriteArray(fd, "x86_template_sources", _Glob("libdav1d/src/x86/*_tmpl.c"))
_WriteArray(
fd, "arm32_asm_sources", _Glob("libdav1d/src/arm/32/*.S"),
_Glob("libdav1d/src/arm/32/*_tmpl.S") + ["libdav1d/src/arm/32/util.S"])
_WriteArray(
fd, "arm64_asm_sources", _Glob("libdav1d/src/arm/64/*.S"),
_Glob("libdav1d/src/arm/64/*_tmpl.S") + ["libdav1d/src/arm/64/util.S"])
_WriteArray(fd, "arm_template_sources", _Glob("libdav1d/src/arm/*_tmpl.c"))
template_sources = _Glob("libdav1d/src/*_tmpl.c")
_WriteArray(fd, "template_sources", template_sources)
# Generate list of sources which need to be compiled multiple times with the
# correct -DBIT_DEPTH=8|10 option specified each time.
_WriteArray(fd, "c_headers", _Glob("libdav1d/src/*.h"),
_DAV1D_ENTRY_POINT_SOURCES + template_sources)
_WriteArray(fd, "c_sources", _Glob("libdav1d/src/*.c"),
_DAV1D_ENTRY_POINT_SOURCES + template_sources)
_WriteArray(fd,
"entry_point_sources",
_DAV1D_ENTRY_POINT_SOURCES,
last_entry=True)
def main():
with open("dav1d_generated.gni", "w") as fd:
_WriteGn(fd)
if __name__ == "__main__":
main()
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