mesa/docs/_exts/formatting.py
Erik Faye-Lund 923a41ac99 docs: implement new vk-feat role
This makes it easy to link to a specific Vulkan feature from the docs.
Useful for the Zink docs.

Acked-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21813>
2023-03-10 14:02:06 +00:00

50 lines
1.7 KiB
Python

# formatting.py
# Sphinx extension providing formatting for Gallium-specific data
# (c) Corbin Simpson 2010
# Public domain to the extent permitted; contact author for special licensing
import docutils.nodes
import sphinx.addnodes
from sphinx.util.nodes import split_explicit_title
from docutils import nodes, utils
def parse_opcode(env, sig, signode):
opcode, desc = sig.split("-", 1)
opcode = opcode.strip().upper()
desc = " (%s)" % desc.strip()
signode += sphinx.addnodes.desc_name(opcode, opcode)
signode += sphinx.addnodes.desc_annotation(desc, desc)
return opcode
def ext_role(name, rawtext, text, lineno, inliner, options={}, content=[]):
text = utils.unescape(text)
has_explicit_title, title, ext = split_explicit_title(text)
parts = ext.split('_', 2)
if parts[0] == 'VK':
full_url = f'https://registry.khronos.org/vulkan/specs/1.3-extensions/man/html/{ext}.html'
elif parts[0] == 'GL':
full_url = f'https://registry.khronos.org/OpenGL/extensions/{parts[1]}/{parts[1]}_{parts[2]}.txt'
else:
raise Exception(f'Unexpected API: {parts[0]}')
pnode = nodes.reference(title, title, internal=False, refuri=full_url)
return [pnode], []
def vkfeat_role(name, rawtext, text, lineno, inliner, options={}, content=[]):
text = utils.unescape(text)
has_explicit_title, title, ext = split_explicit_title(text)
full_url = f'https://registry.khronos.org/vulkan/specs/1.3-extensions/html/vkspec.html#features-{ext}'
pnode = nodes.reference(title, title, internal=False, refuri=full_url)
return [pnode], []
def setup(app):
app.add_object_type("opcode", "opcode", "%s (TGSI opcode)",
parse_opcode)
app.add_role('ext', ext_role)
app.add_role('vk-feat', vkfeat_role)