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gecko-dev/gfx/wrench
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Kartikaya Gupta 10f4292c33 Bug 1464473 - Update webrender to 3829687ffbe8d55885d71a3d5e5e79216251548f. r=Gankro 
MozReview-Commit-ID: 100EQ2cTdj4

--HG--
extra : rebase_source : 22829dcb9b4a4b07a9b76aea6f1df5c9a1f1b488
2018-05-29 08:45:25 -04:00
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src Bug 1464473 - Update webrender to 3829687ffbe8d55885d71a3d5e5e79216251548f. r=Gankro 2018-05-29 08:45:25 -04:00
.gitignore
build.rs
Cargo.toml Bug 1464473 - Update webrender to 3829687ffbe8d55885d71a3d5e5e79216251548f. r=Gankro 2018-05-29 08:45:25 -04:00
README.md Bug 1436058 - Update webrender to 342bc314db94aa439b2001249c5f24ccfcbccc22. r=jrmuizel 2018-02-12 11:28:01 -05:00

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