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gecko-dev/gfx/wr/wrench
History
Miko Mynttinen 99dc805fb4 Bug 1558926 - Part 5: Store a reference to cached display item data in DisplayItemRef 
Differential Revision: https://phabricator.services.mozilla.com/D60761

--HG--
extra : moz-landing-system : lando
2020-01-27 14:19:50 +00:00
..
benchmarks
examples
reftests Bug 1606771 - Add a reftest. r=kvark 2020-01-23 14:20:27 +00:00
res
script Bug 1559975: Fix python2/3 compat in gfx/ r=ahal 2019-07-05 14:28:55 +00:00
src Bug 1558926 - Part 5: Store a reference to cached display item data in DisplayItemRef 2020-01-27 14:19:50 +00:00
.gitignore
android.txt Bug 1581628 - Update wrench jobs to work with NDK r20. r=jrmuizel 2019-09-27 13:50:43 +00:00
build.rs
Cargo.toml Bug 1599671 - Remove lazy_static dependency from wrench. r=kvark,jrmuizel 2019-11-27 20:47:54 +00:00
README.md

README.md

wrench

wrench is a tool for debugging webrender outside of a browser engine.

headless

wrench has an optional headless mode for use in continuous integration. To run in headless mode, instead of using cargo run -- args, use ./headless.py args.

replay and show

Binary recordings can be generated by webrender and replayed with wrench replay. Enable binary recording in RendererOptions.

RendererOptions {
    ...
    recorder: Some(Box::new(BinaryRecorder::new("wr-frame.bin"))),
    ...
}

If you are working on gecko integration you can enable recording in webrender_bindings/src/bindings.rs by setting

static ENABLE_RECORDING: bool = true;

wrench replay --save yaml will convert the recording into frames described in yaml. Frames can then be replayed with wrench show.

reftest

Wrench also has a reftest system for catching regressions.

  • To run all reftests, run script/headless.py reftest
  • To run specific reftests, run script/headless.py reftest path/to/test/or/dir
  • To examine test failures, use the reftest analyzer
  • To add a new reftest, create an example frame and a reference frame in reftests/ and then add an entry to reftests/reftest.list