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02a7b4ebdf
Allow-list all Python code in tree for use with the black linter, and re-format all code in-tree accordingly. To produce this patch I did all of the following: 1. Make changes to tools/lint/black.yml to remove include: stanza and update list of source extensions. 2. Run ./mach lint --linter black --fix 3. Make some ad-hoc manual updates to python/mozbuild/mozbuild/test/configure/test_configure.py -- it has some hard-coded line numbers that the reformat breaks. 4. Make some ad-hoc manual updates to `testing/marionette/client/setup.py`, `testing/marionette/harness/setup.py`, and `testing/firefox-ui/harness/setup.py`, which have hard-coded regexes that break after the reformat. 5. Add a set of exclusions to black.yml. These will be deleted in a follow-up bug (1672023). # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D94045
177 lines
4.2 KiB
Python
Executable File
177 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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This script will regenerate and update GLConsts.h.
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Step 1:
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Download the last gl.xml, egl.xml, glx.xml and wgl.xml from
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http://www.opengl.org/registry/#specfiles into some XML_DIR:
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wget https://www.khronos.org/registry/OpenGL/xml/gl.xml
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wget https://www.khronos.org/registry/OpenGL/xml/glx.xml
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wget https://www.khronos.org/registry/OpenGL/xml/wgl.xml
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wget https://www.khronos.org/registry/EGL/api/egl.xml
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Step 2:
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`py ./GLConsts.py <XML_DIR>`
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Step 3:
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Do not add the downloaded XML in the patch
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Step 4:
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Enjoy =)
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"""
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# includes
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from typing import List # mypy!
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import pathlib
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import sys
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import xml.etree.ElementTree
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# -
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(_, XML_DIR_STR) = sys.argv
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XML_DIR = pathlib.Path(XML_DIR_STR)
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# -
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HEADER = b"""
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// clang-format off
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#ifndef GLCONSTS_H_
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#define GLCONSTS_H_
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/**
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* GENERATED FILE, DO NOT MODIFY DIRECTLY.
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* This is a file generated directly from the official OpenGL registry
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* xml available http://www.opengl.org/registry/#specfiles.
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*
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* To generate this file, see tutorial in \'GLParseRegistryXML.py\'.
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*/
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"""[
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1:
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]
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FOOTER = b"""
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#endif // GLCONSTS_H_
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// clang-format on
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"""[
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1:
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]
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# -
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def format_lib_constant(lib, name, value):
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# lib would be 'GL', 'EGL', 'GLX' or 'WGL'
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# name is the name of the const (example: MAX_TEXTURE_SIZE)
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# value is the value of the const (example: 0xABCD)
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define = "#define LOCAL_" + lib + "_" + name
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whitespace = 60 - len(define)
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if whitespace < 0:
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whitespace = whitespace % 8
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return define + " " * whitespace + " " + value
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class GLConst:
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def __init__(self, lib, name, value, type):
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self.lib = lib
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self.name = name
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self.value = value
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self.type = type
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class GLDatabase:
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LIBS = ["GL", "EGL", "GLX", "WGL"]
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def __init__(self):
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self.consts = {}
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self.libs = set(GLDatabase.LIBS)
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self.vendors = set(["EXT", "ATI"])
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# there is no vendor="EXT" and vendor="ATI" in gl.xml,
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# so we manualy declare them
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def load_xml(self, xml_path):
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tree = xml.etree.ElementTree.parse(xml_path)
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root = tree.getroot()
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for enums in root.iter("enums"):
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vendor = enums.get("vendor")
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if not vendor:
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# there some standart enums that do have the vendor attribute,
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# so we fake them as ARB's enums
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vendor = "ARB"
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if vendor not in self.vendors:
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# we map this new vendor in the vendors set.
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self.vendors.add(vendor)
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namespaceType = enums.get("type")
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for enum in enums:
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if enum.tag != "enum":
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# this is not an enum => we skip it
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continue
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lib = enum.get("name").split("_")[0]
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if lib not in self.libs:
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# unknown library => we skip it
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continue
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name = enum.get("name")[len(lib) + 1 :]
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value = enum.get("value")
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type = enum.get("type")
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if not type:
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# if no type specified, we get the namespace's default type
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type = namespaceType
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self.consts[lib + "_" + name] = GLConst(lib, name, value, type)
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# -
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db = GLDatabase()
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db.load_xml(XML_DIR / "gl.xml")
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db.load_xml(XML_DIR / "glx.xml")
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db.load_xml(XML_DIR / "wgl.xml")
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db.load_xml(XML_DIR / "egl.xml")
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# -
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lines: List[str] = [] # noqa: E999 (bug 1573737)
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keys = sorted(db.consts.keys())
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for lib in db.LIBS:
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lines.append("// " + lib)
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for k in keys:
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const = db.consts[k]
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if const.lib != lib:
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continue
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const_str = format_lib_constant(lib, const.name, const.value)
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lines.append(const_str)
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lines.append("")
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# -
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b_lines: List[bytes] = [HEADER] + [x.encode() for x in lines] + [FOOTER]
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b_data: bytes = b"\n".join(b_lines)
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dest = pathlib.Path("GLConsts.h")
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dest.write_bytes(b_data)
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print(f"Wrote {len(b_data)} bytes.") # Some indication that we're successful.
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