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gecko-dev/gfx/angle/update-angle.py

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#! /usr/bin/env python3
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
assert __name__ == "__main__"
r"""
To update ANGLE in Gecko, use Windows with git-bash, and setup depot_tools, python2, and
python3. Because depot_tools expects `python` to be `python2` (shame!), python2 must come
before python3 in your path.
Upstream: https://chromium.googlesource.com/angle/angle
Our repo: https://github.com/mozilla/angle
It has branches like 'firefox-60' which is the branch we use for pulling into
Gecko with this script.
This script leaves a record of the merge-base and cherry-picks that we pull into
Gecko. (gfx/angle/cherries.log)
ANGLE<->Chrome version mappings are here: https://omahaproxy.appspot.com/
An easy choice is to grab Chrome's Beta's ANGLE branch.
## Usage
Prepare your env:
* If in `cmd`:
`export PATH="$PATH:/path/to/depot_tools"`
* If in `powershell`:
`$env:Path += ";C:\path\to\depot_tools"`
If this is a new repo, don't forget:
~~~
# In the angle repo:
./scripts/bootstrap.py
gclient sync
~~~
Update: (in the angle repo)
~~~
# In the angle repo:
/path/to/gecko/gfx/angle/update-angle.py origin
git push moz # Push the firefox-XX branch to github.com/mozilla/angle
~~~~
"""
import json
import os
import pathlib
import re
import shutil
import subprocess
import sys
from typing import * # mypy annotations
REPO_DIR = pathlib.Path.cwd()
GECKO_ANGLE_DIR = pathlib.Path(__file__).parent
OUT_DIR = pathlib.Path("out")
COMMON_HEADER = [
"# Generated by update-angle.py",
"",
'include("../../moz.build.common")',
]
ROOTS = ["//:translator", "//:libEGL", "//:libGLESv2"]
CHECK_ONLY = False
args = sys.argv[1:]
while True:
arg = args.pop(0)
if arg == "--check":
CHECK_ONLY = True
continue
args.insert(0, arg)
break
GN_ENV = dict(os.environ)
GN_ENV["DEPOT_TOOLS_WIN_TOOLCHAIN"] = "0"
(GIT_REMOTE,) = args # Not always 'origin'!
# ------------------------------------------------------------------------------
def run_checked(*args, **kwargs):
print(" ", args)
sys.stdout.flush()
return subprocess.run(args, check=True, **kwargs)
def sorted_items(x):
for k in sorted(x.keys()):
yield (k, x[k])
def collapse_dotdots(path):
split = path.split("/")
ret = []
for x in split:
if x == ".." and ret:
ret.pop()
continue
ret.append(x)
continue
return "/".join(ret)
def dag_traverse(root_keys: Sequence[str], pre_recurse_func: Callable[[str], list]):
visited_keys: Set[str] = set()
def recurse(key):
if key in visited_keys:
return
visited_keys.add(key)
t = pre_recurse_func(key)
try:
(next_keys, post_recurse_func) = t
except ValueError:
(next_keys,) = t
post_recurse_func = None
for x in next_keys:
recurse(x)
if post_recurse_func:
post_recurse_func(key)
return
for x in root_keys:
recurse(x)
return
# ------------------------------------------------------------------------------
print("Importing graph")
# shutil.rmtree(str(OUT_DIR), True)
OUT_DIR.mkdir(exist_ok=True)
GN_ARGS = b"""
# Build arguments go here.
# See "gn args <out_dir> --list" for available build arguments.
is_clang = true
is_debug = false
angle_build_all = false
angle_enable_abseil = false
angle_enable_apple_translator_workarounds = true
angle_enable_essl = true
angle_enable_gl = false
angle_enable_gl_desktop_frontend = false
angle_enable_glsl = true
angle_enable_null = false
angle_enable_share_context_lock = true
angle_enable_vulkan = false
angle_has_astc_encoder = false
use_custom_libcxx = false
"""[
1:
]
args_gn_path = OUT_DIR / "args.gn"
args_gn_path.write_bytes(GN_ARGS)
try:
run_checked("gn", "gen", str(OUT_DIR), shell=True, env=GN_ENV)
except subprocess.CalledProcessError:
sys.stderr.buffer.write(b"`gn` failed. Is depot_tools in your PATH?\n")
exit(1)
p = run_checked(
"python3",
"scripts/export_targets.py",
str(OUT_DIR),
*ROOTS,
stdout=subprocess.PIPE,
shell=True,
env=GN_ENV,
)
# -
print("\nProcessing graph")
libraries = json.loads(p.stdout.decode())
# -
# HACKHACKHACK: Inject linux/mac sources instead of trying to merge graphs of different
# platforms.
# descs["//:angle_common"]["sources"] +=
EXTRA_ANGLE_COMMON_SOURCES = [
"//src/common/system_utils_apple.cpp",
"//src/common/system_utils_linux.cpp",
"//src/common/system_utils_mac.cpp",
"//src/common/system_utils_posix.cpp",
]
angle_common = libraries["//:angle_common"]
angle_common["sources"] += EXTRA_ANGLE_COMMON_SOURCES
angle_common["sources"] = sorted(angle_common["sources"])
# -
# Reuse our own zlib
del libraries["//third_party/zlib:zlib"]
# -
if CHECK_ONLY:
print("\n--check complete.")
exit(0)
# ------------------------------------------------------------------------------
# Output to moz.builds
import vendor_from_git
print("")
vendor_from_git.record_cherry_picks(GECKO_ANGLE_DIR, GIT_REMOTE)
# --
def sortedi(x):
return sorted(x, key=str.lower)
def append_arr(dest, name, vals, indent=0):
if not vals:
return
dest.append("{}{} += [".format(" " * 4 * indent, name))
for x in sortedi(vals):
dest.append('{}"{}",'.format(" " * 4 * (indent + 1), x))
dest.append("{}]".format(" " * 4 * indent))
dest.append("")
return
REGISTERED_DEFINES = {
"ADLER32_SIMD_SSSE3": False,
"ANGLE_CAPTURE_ENABLED": True,
"ANGLE_DISABLE_POOL_ALLOC": True,
"ANGLE_EGL_LIBRARY_NAME": False,
"ANGLE_ENABLE_APPLE_WORKAROUNDS": True,
"ANGLE_ENABLE_D3D11": True,
"ANGLE_ENABLE_D3D11_COMPOSITOR_NATIVE_WINDOW": True,
"ANGLE_ENABLE_D3D9": True,
"ANGLE_ENABLE_DEBUG_ANNOTATIONS": True,
"ANGLE_ENABLE_NULL": False,
"ANGLE_ENABLE_OPENGL": False,
"ANGLE_ENABLE_OPENGL_NULL": False,
"ANGLE_ENABLE_ESSL": True,
"ANGLE_ENABLE_GLSL": True,
"ANGLE_ENABLE_HLSL": True,
"ANGLE_ENABLE_SHARE_CONTEXT_LOCK": True,
"ANGLE_GENERATE_SHADER_DEBUG_INFO": True,
"ANGLE_GLESV2_LIBRARY_NAME": True,
"ANGLE_HAS_ASTCENC": True,
"ANGLE_HAS_VULKAN_SYSTEM_INFO": False,
"ANGLE_IS_64_BIT_CPU": False,
"ANGLE_IS_WIN": False,
"ANGLE_PRELOADED_D3DCOMPILER_MODULE_NAMES": False,
"ANGLE_SHARED_LIBVULKAN": True,
"ANGLE_USE_CUSTOM_LIBVULKAN": True,
"ANGLE_USE_EGL_LOADER": True,
"ANGLE_VK_LAYERS_DIR": True,
"ANGLE_VK_MOCK_ICD_JSON": True,
"ANGLE_VMA_VERSION": True,
"ASTCENC_DECOMPRESS_ONLY": True,
"CERT_CHAIN_PARA_HAS_EXTRA_FIELDS": False,
"CHROMIUM_BUILD": False,
"COMPONENT_BUILD": False,
"CRC32_SIMD_SSE42_PCLMUL": False,
"DEFLATE_FILL_WINDOW_SSE2": False,
"DYNAMIC_ANNOTATIONS_ENABLED": True,
"EGL_EGL_PROTOTYPES": True,
"EGL_EGLEXT_PROTOTYPES": True,
"EGLAPI": True,
"FIELDTRIAL_TESTING_ENABLED": False,
"FULL_SAFE_BROWSING": False,
"GL_API": True,
"GL_APICALL": True,
"GL_GLES_PROTOTYPES": True,
"GL_GLEXT_PROTOTYPES": True,
"GPU_INFO_USE_SETUPAPI": True,
"INFLATE_CHUNK_READ_64LE": False,
"INFLATE_CHUNK_SIMD_SSE2": False,
"LIBANGLE_IMPLEMENTATION": True,
"LIBEGL_IMPLEMENTATION": True,
"LIBGLESV2_IMPLEMENTATION": True,
"NOMINMAX": True,
"NO_TCMALLOC": False,
# Else: gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/win32/NativeWindow11Win32.cpp(89): error C2787: 'IDCompositionDevice': no GUID has been associated with this object
"NTDDI_VERSION": False,
"PSAPI_VERSION": False,
"SAFE_BROWSING_CSD": False,
"SAFE_BROWSING_DB_LOCAL": False,
"UNICODE": True,
"USE_AURA": False,
"V8_DEPRECATION_WARNINGS": False,
"VK_USE_PLATFORM_WIN32_KHR": False,
"WIN32": False,
"WIN32_LEAN_AND_MEAN": False,
"WINAPI_FAMILY": False,
"WINVER": True,
# Otherwise:
# gfx/angle/targets/libANGLE
# In file included from c:/dev/mozilla/gecko4/gfx/angle/checkout/src/libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.cpp:10:
# In file included from c:/dev/mozilla/gecko4/gfx/angle/checkout/src\libANGLE/renderer/d3d/d3d11/converged/CompositorNativeWindow11.h:17:
# C:\Program Files (x86)\Windows Kits\10\include\10.0.17763.0\winrt\Windows.ui.composition.interop.h(103,20): error: unknown type name 'POINTER_INFO'
# _In_ const POINTER_INFO& pointerInfo
# ^
"WTF_USE_DYNAMIC_ANNOTATIONS": False,
"X86_WINDOWS": False,
"ZLIB_IMPLEMENTATION": True,
"_ATL_NO_OPENGL": True,
"_CRT_NONSTDC_NO_DEPRECATE": True,
"_CRT_NONSTDC_NO_WARNINGS": True,
"_CRT_RAND_S": True,
"_CRT_SECURE_NO_DEPRECATE": True,
"_DEBUG": False,
"_HAS_EXCEPTIONS": True,
"_HAS_ITERATOR_DEBUGGING": False,
"_SCL_SECURE_NO_DEPRECATE": True,
"_SECURE_ATL": True,
"_UNICODE": True,
"_USING_V110_SDK71_": False,
"_WIN32_WINNT": False,
"_WINDOWS": False,
"_WINSOCK_DEPRECATED_NO_WARNINGS": True,
"__STD_C": False,
# clang specific
"CR_CLANG_REVISION": True,
"NDEBUG": False,
"NVALGRIND": False,
"_HAS_NODISCARD": False,
}
# -
print("\nRun actions")
required_files: Set[str] = set()
required_files.add("//LICENSE")
run_checked("ninja", "-C", str(OUT_DIR), ":angle_commit_id", shell=True)
required_files.add("//out/gen/angle/angle_commit.h")
# -
# Export our targets
print("\nExport targets")
# Clear our dest directories
targets_dir = pathlib.Path(GECKO_ANGLE_DIR, "targets")
checkout_dir = pathlib.Path(GECKO_ANGLE_DIR, "checkout")
shutil.rmtree(targets_dir, True)
shutil.rmtree(checkout_dir, True)
targets_dir.mkdir(exist_ok=True)
checkout_dir.mkdir(exist_ok=True)
# -
RE_TARGET_NAME = re.compile("//(.*):(.+)")
def export_target(target_full_name) -> Set[str]:
# print(' ', target_full_name)
descs = libraries
desc = descs[target_name]
flat = desc
m = RE_TARGET_NAME.match(target_name)
assert m, target_name
name = m.group(2)
required_files: Set[str] = set(flat["sources"])
# Create our manifest lines
target_dir = targets_dir / name
target_dir.mkdir(exist_ok=True)
lines = list(COMMON_HEADER)
lines.append("")
for x in sorted(set(desc["defines"])):
try:
(k, v) = x.split("=", 1)
if v.startswith('"'):
v = f"'{v}'"
else:
v = f'"{v}"'
except ValueError:
(k, v) = (x, "True")
line = f'DEFINES["{k}"] = {v}'
try:
if REGISTERED_DEFINES[k] == False:
line = "# " + line
except KeyError:
print(f"[{name}] Unrecognized define: {k}")
line = "# Unrecognized: " + line
lines.append(line)
lines.append("")
cxxflags = set(desc["cflags"] + desc["cflags_cc"])
def fixup_paths(listt):
for x in set(listt):
assert x.startswith("//"), x
yield "../../checkout/" + x[2:]
sources_by_config: Dict[str, List[str]] = {}
extras: Dict[str, str] = dict()
for x in fixup_paths(flat["sources"]):
# print(' '*5, x)
(b, e) = x.rsplit(".", 1)
if e in ["h", "hpp", "y", "l", "inc", "inl"]:
continue
elif e in ["cpp", "cc", "c"]:
if b.endswith("_win") or b.endswith("_win32"):
config = 'CONFIG["OS_ARCH"] == "WINNT"'
elif b.endswith("_linux"):
# Include these on BSDs too.
config = 'CONFIG["OS_ARCH"] not in ("Darwin", "WINNT")'
elif b.endswith("_apple") or b.endswith("_mac"):
config = 'CONFIG["OS_ARCH"] == "Darwin"'
elif b.endswith("_posix"):
config = 'CONFIG["OS_ARCH"] != "WINNT"'
else:
config = "" # None can't compare against str.
sources_by_config.setdefault(config, []).append(x)
continue
elif e == "rc":
assert "RCFILE" not in extras, (target_name, extras["RCFILE"], x)
extras["RCFILE"] = f'"{x}"'
continue
elif e == "def":
assert "DEFFILE" not in extras, (target_name, extras["DEFFILE"], x)
extras["DEFFILE"] = f'"{x}"'
continue
else:
assert False, ("Unhandled ext:", x)
ldflags = set(desc["ldflags"])
DEF_PREFIX = "/DEF:"
for x in set(ldflags):
if x.startswith(DEF_PREFIX):
def_path = x[len(DEF_PREFIX) :]
required_files.add(def_path)
assert "DEFFILE" not in extras
ldflags.remove(x)
def_path = str(OUT_DIR) + "/" + def_path
def_path = "//" + collapse_dotdots(def_path)
def_rel_path = list(fixup_paths([def_path]))[0]
extras["DEFFILE"] = '"{}"'.format(def_rel_path)
elif x.startswith("/PDBSourcePath:"):
ldflags.remove(x)
os_libs = list(map(lambda x: x[: -len(".lib")], set(desc.get("libs", []))))
def append_arr_commented(dest, name, src):
lines = []
append_arr(lines, name, src)
def comment(x):
if x:
x = "# " + x
return x
lines = map(comment, lines)
dest += lines
append_arr(lines, "LOCAL_INCLUDES", fixup_paths(desc["include_dirs"]))
append_arr_commented(lines, "CXXFLAGS", cxxflags)
for config, v in sorted_items(sources_by_config):
indent = 0
if config:
lines.append("if {}:".format(config))
indent = 1
append_arr(lines, "SOURCES", v, indent=indent)
dep_libs: Set[str] = set()
for dep_full_name in set(flat["dep_libs"]):
assert dep_full_name.startswith("//"), dep_name
(_, dep_name) = dep_full_name.split(":")
dep_libs.add(dep_name)
dep_dirs = set(dep_libs)
dep_dirs.discard("zlib")
# Those directories are added by gfx/angle/moz.build.
already_added_dirs = [
"angle_common",
"translator",
"libEGL",
"libGLESv2",
]
append_arr(lines, "USE_LIBS", dep_libs)
append_arr(
lines, "DIRS", ["../" + x for x in dep_dirs if x not in already_added_dirs]
)
append_arr(lines, "OS_LIBS", os_libs)
append_arr_commented(lines, "LDFLAGS", ldflags)
for k, v in sorted(extras.items()):
lines.append("{} = {}".format(k, v))
lib_type = desc["type"]
if lib_type == "shared_library":
lines.append(f'GeckoSharedLibrary("{name}", linkage=None)')
elif lib_type == "static_library":
lines.append(f'Library("{name}")')
else:
assert False, lib_type
lines.append("")
# EOF newline
# Write it out
mozbuild = target_dir / "moz.build"
print(" ", " ", f"Writing {mozbuild}")
data = b"\n".join((x.encode() for x in lines))
mozbuild.write_bytes(data)
return required_files
# -
for target_name in libraries:
reqs = export_target(target_name)
required_files |= reqs
# Copy all the files
print("\nMigrate required files")
i = 0
for x in required_files:
i += 1
sys.stdout.write(f"\r Copying {i}/{len(required_files)}")
sys.stdout.flush()
assert x.startswith("//"), x
x = x[2:]
src = REPO_DIR / x
dest = checkout_dir / x
dest.parent.mkdir(parents=True, exist_ok=True)
data = src.read_bytes()
data = data.replace(b"\r\n", b"\n")
dest.write_bytes(data)
print("\n\nDone")
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