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a34d3f438e
This was used when defining scroll layers and also backdrop-filter. Removing it from the scroll layer API allows removal of the implicit clip rect that a scroll node previously created (Gecko doesn't use this). To maintain compatibility with wrench tests, add a flag that allows a test to specify a clip rect should be created for the scroll layer (we should remove this from wrench in future and port the tests to create explicit clip rects as required). The usage of backdrop-filter was the only remaining place this type was used, so it's now ported to use the clip-chain API. This simplifies the scroll layer API and removes an extra clip rect from each scroll layer instance, as a small performance improvement. Differential Revision: https://phabricator.services.mozilla.com/D119938 |
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| benchmarks | ||
| examples | ||
| invalidation | ||
| reftests | ||
| res | ||
| script | ||
| src | ||
| .gitignore | ||
| android.txt | ||
| build.rs | ||
| Cargo.toml | ||
| README.md | ||
wrench
wrench is a tool for debugging webrender outside of a browser engine.
Build
Build wrench with cargo build --release within the wrench directory.
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.
show
If you are working on gecko integration you can capture a frame via the following steps.
- Visit about:support and check that the "Compositing" value in the "Graphics" table says "WebRender". Enable
gfx.webrender.allin about:config if necessary to enable WebRender. - Hit ctrl-shift-3 to capture the frame. The data will be put in
~/wr-capture. - View the capture with
wrench show ~/wr-capture.
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 toreftests/reftest.list