godot/modules/raycast/godot_update_embree.py

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import glob
import os
import re
import shutil
import stat
import subprocess
import sys
from typing import Any, Callable
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git_tag = "v4.3.1"
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include_dirs = [
"common/tasking",
"kernels/bvh",
"kernels/builders",
"common/sys",
"kernels",
"kernels/common",
"common/math",
"common/algorithms",
"common/lexers",
"common/simd",
"common/simd/arm",
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"common/simd/wasm",
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"include/embree4",
"kernels/subdiv",
"kernels/geometry",
]
cpp_files = [
"common/sys/sysinfo.cpp",
"common/sys/alloc.cpp",
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"common/sys/estring.cpp",
"common/sys/filename.cpp",
"common/sys/library.cpp",
"common/sys/thread.cpp",
"common/sys/regression.cpp",
"common/sys/mutex.cpp",
"common/sys/condition.cpp",
"common/sys/barrier.cpp",
"common/math/constants.cpp",
"common/simd/sse.cpp",
"common/lexers/stringstream.cpp",
"common/lexers/tokenstream.cpp",
"common/tasking/taskschedulerinternal.cpp",
"kernels/common/device.cpp",
"kernels/common/stat.cpp",
"kernels/common/acceln.cpp",
"kernels/common/accelset.cpp",
"kernels/common/state.cpp",
"kernels/common/rtcore.cpp",
"kernels/common/rtcore_builder.cpp",
"kernels/common/scene.cpp",
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"kernels/common/scene_verify.cpp",
"kernels/common/alloc.cpp",
"kernels/common/geometry.cpp",
"kernels/common/scene_triangle_mesh.cpp",
"kernels/geometry/primitive4.cpp",
"kernels/builders/primrefgen.cpp",
"kernels/bvh/bvh.cpp",
"kernels/bvh/bvh_statistics.cpp",
"kernels/bvh/bvh4_factory.cpp",
"kernels/bvh/bvh8_factory.cpp",
"kernels/bvh/bvh_collider.cpp",
"kernels/bvh/bvh_rotate.cpp",
"kernels/bvh/bvh_refit.cpp",
"kernels/bvh/bvh_builder.cpp",
"kernels/bvh/bvh_builder_morton.cpp",
"kernels/bvh/bvh_builder_sah.cpp",
"kernels/bvh/bvh_builder_sah_spatial.cpp",
"kernels/bvh/bvh_builder_sah_mb.cpp",
"kernels/bvh/bvh_builder_twolevel.cpp",
"kernels/bvh/bvh_intersector1.cpp",
"kernels/bvh/bvh_intersector1_bvh4.cpp",
"kernels/bvh/bvh_intersector_hybrid4_bvh4.cpp",
"kernels/bvh/bvh_intersector_hybrid.cpp",
]
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config_files = [
"kernels/config.h.in",
"kernels/rtcore_config.h.in",
]
license_file = "LICENSE.txt"
os.chdir(f"{os.path.dirname(__file__)}/../../thirdparty")
dir_name = "embree"
if os.path.exists(dir_name):
shutil.rmtree(dir_name)
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# In case something went wrong and embree-tmp stayed on the system.
if os.path.exists("embree-tmp"):
shutil.rmtree("embree-tmp")
subprocess.run(["git", "clone", "https://github.com/embree/embree.git", "embree-tmp"])
os.chdir("embree-tmp")
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subprocess.run(["git", "checkout", git_tag])
commit_hash = str(subprocess.check_output(["git", "rev-parse", "HEAD"], universal_newlines=True)).strip()
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def on_rm_error(function: Callable[..., Any], path: str, excinfo: Exception) -> None:
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"""
Error handler for `shutil.rmtree()`.
If the error is due to read-only files,
it will change the file permissions and retry.
"""
os.chmod(path, stat.S_IWRITE)
os.unlink(path)
# We remove the .git directory because it contains
# a lot of read-only files that are problematic on Windows.
if sys.version_info >= (3, 12):
shutil.rmtree(".git", onexc=on_rm_error)
else:
shutil.rmtree(".git", onerror=on_rm_error) # type: ignore
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all_files = set(cpp_files)
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for config_file in config_files:
all_files.add(config_file)
all_files.add(license_file)
dest_dir = os.path.join("..", dir_name)
for include_dir in include_dirs:
headers = glob.iglob(os.path.join(include_dir, "*.h"))
all_files.update(headers)
for f in all_files:
d = os.path.join(dest_dir, os.path.dirname(f))
if not os.path.exists(d):
os.makedirs(d)
shutil.copy2(f, d)
with open(os.path.join(dest_dir, "kernels/hash.h"), "w", encoding="utf-8", newline="\n") as hash_file:
hash_file.write(
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f"""// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#define RTC_HASH "{commit_hash}"
"""
)
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for config_file in config_files:
os.rename(os.path.join(dest_dir, config_file), os.path.join(dest_dir, config_file[:-3]))
with open("CMakeLists.txt", "r", encoding="utf-8") as cmake_file:
cmake_content = cmake_file.read()
major_version = int(re.compile(r"EMBREE_VERSION_MAJOR\s(\d+)").findall(cmake_content)[0])
minor_version = int(re.compile(r"EMBREE_VERSION_MINOR\s(\d+)").findall(cmake_content)[0])
patch_version = int(re.compile(r"EMBREE_VERSION_PATCH\s(\d+)").findall(cmake_content)[0])
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shutil.move(os.path.join(dest_dir, "kernels/rtcore_config.h"), os.path.join(dest_dir, ("include/embree4/")))
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with open(
os.path.join(dest_dir, "include/embree4/rtcore_config.h"), "r+", encoding="utf-8", newline="\n"
) as rtcore_config:
lines = rtcore_config.readlines()
rtcore_config.seek(0)
for i, line in enumerate(lines):
if line.startswith("#define RTC_VERSION_MAJOR"):
lines[i : i + 5] = [
f"#define RTC_VERSION_MAJOR {major_version}\n",
f"#define RTC_VERSION_MINOR {minor_version}\n",
f"#define RTC_VERSION_PATCH {patch_version}\n",
f"#define RTC_VERSION {major_version}{minor_version:02d}{patch_version:02d}\n",
f'#define RTC_VERSION_STRING "{major_version}.{minor_version}.{patch_version}"\n',
]
break
rtcore_config.writelines(lines)
rtcore_config.truncate()
os.chdir("..")
shutil.rmtree("embree-tmp")
subprocess.run(["git", "restore", "embree/patches"])
for patch in os.listdir("embree/patches"):
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subprocess.run(["git", "apply", f"embree/patches/{patch}"])