gecko-dev/layout/style/GenerateCompositorAnimatableProperties.py
Hiroyuki Ikezoe 972de37ecb Bug 1479173 - Add a static constexpr function returns an nsCSSPropertyIDSet being consist of CSS properties set can be run on the compositor. r=heycam,birtles
Also add a script to generate the CSS properties set by looking at
CanAnimateOnCompositor flag in servo's property definitions.

Differential Revision: https://phabricator.services.mozilla.com/D10687

--HG--
extra : moz-landing-system : lando
2018-11-06 21:00:38 +00:00

31 lines
1.1 KiB
Python

# 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/.
import runpy
def generate(output, dataFile):
output.write("""/* THIS IS AN AUTOGENERATED FILE. DO NOT EDIT */
#ifndef COMPOSITOR_ANIMATABLE_PROPERTY_LIST
#define COMPOSITOR_ANIMATABLE_PROPERTY_LIST { \\
""")
def can_animate_on_compositor(p):
return "CanAnimateOnCompositor" in p.flags
properties = runpy.run_path(dataFile)["data"]
properties = filter(can_animate_on_compositor, properties)
count = 0
for p in properties:
output.write(" eCSSProperty_{}, \\\n".format(p.id))
count += 1
output.write("}\n")
output.write("#endif /* COMPOSITOR_ANIMATABLE_PROPERTY_LIST */\n")
output.write("\n")
output.write("#ifndef COMPOSITOR_ANIMATABLE_PROPERTY_LIST_LENGTH\n")
output.write("#define COMPOSITOR_ANIMATABLE_PROPERTY_LIST_LENGTH {}\n".format(count))
output.write("#endif /* COMPOSITOR_ANIMATABLE_PROPERTY_LIST_LENGTH */\n")