Servo side of https://bugzilla.mozilla.org/show_bug.cgi?id=1349659
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Fix WebVR data race condition when calling GetFrameData outside of VRDisplay.requestAnimationFrame callback. Fixes a possible deadlock during the interval when the requestAnimationFrame is moved from window to VRDisplay.
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Should I add any tests?
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- [x] `./mach build-geckolib` does not report any errors
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- [x] These changes fix#16025 (github issue number if applicable).
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Implement parsing/serialization and glue for will-change property
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1. Implement stubs for structured clone callbacks.
2. Support Blob cloning.
Partial implementation of https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm
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It's not used for other architectures and triggers warnings.
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We need to clamp the float numbers to avoid positive/negative infinity in timing functions, transform functions, and other possible css values to avoid undefined behaviors and assertions.
---
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- [X] These changes fix [Bug 1343153](https://bugzilla.mozilla.org/show_bug.cgi?id=1343153) and [Bug 1336769](https://bugzilla.mozilla.org/show_bug.cgi?id=1336769)
- [X] These changes do not require tests because gecko has related tests
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This PR:
* updates the browserhtml dep (fixes https://github.com/servo/servo/issues/15255)
* updates the Windows font metric calculation (fixes https://github.com/servo/servo/issues/15698, based on codec-abc https://github.com/servo/servo/pull/15937#issuecomment-286513712)
* may address https://github.com/servo/servo/issues/15933. With this PR, I was not able to repro
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These patches fix [Bug 1343153](https://bugzilla.mozilla.org/show_bug.cgi?id=1343153).
---
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@SimonSapin wrote the original patch in [1], and I tweaked it to conditionally compile. Just waiting for the try run to come back green before landing.
[1] https://bugzilla.mozilla.org/show_bug.cgi?id=1348587
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This is needed for https://bugzilla.mozilla.org/show_bug.cgi?id=1348873
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Instead of unwrapping `new_with_jsobject` result, `ImageData::new` will just pass the error along.
It required tweaking `canvasrenderingcontext2d` as it no longer needs to assume the result is `Ok`.
---
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Otherwise the log is useless, and it's even slower than in parallel mode due to
the high lock contention.
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In Gecko, these keywords compute to different values depending on the
font.
See https://bugzilla.mozilla.org/show_bug.cgi?id=1341775
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Gecko supports -{moz,webkit}-text-size-adjust properties, but it only supports auto and none value.
Implement parsing/serialization for text-size-adjust property and its gecko glue.
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Before this PR, every object reflected in CSSOM is in `Arc<RwLock<_>>` to enable safe (synchronized) mutable aliasing. Acquiring all these locks has significant cost during selector matching:
* https://bugzilla.mozilla.org/show_bug.cgi?id=1311469
* https://bugzilla.mozilla.org/show_bug.cgi?id=1335941
* https://bugzilla.mozilla.org/show_bug.cgi?id=1339703
This PR introduce a mechanism to protect many objects with the same `RwLock` that only needs to be acquired once.
In Stylo, there is one such lock per process (in a `lazy_static`), used for everything.
I non-Stylo Servo, I originally intended to have one such lock per document (for author-origin stylesheets, and one per process for user-agent and user sytlesheets since they’re shared across documents, and never mutated anyway). However I failed to have the same document-specific (or pipeline-specific) `Arc` reachable from both `Document` nodes and `LayoutThread`. Recursively following callers lead me to include this `Arc` in `UnprivilegedPipelineContent`, but that needs to be serializable. So there is a second process-wide lock.
This was previously #15998, closed accidentally.
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Fixes font shorthand serialization so that it serializes to "" when non-default subproperties are defined. These subproperties are those defined in #15033.
Adds tests:
- font_should_serialize_to_empty_if_there_are_nondefault_subproperties
- font_should_serialize_all_available_properties
The second test was previously commented out and underwent some cleanup to make it run.
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- [x] `./mach build -d` does not report any errors
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- [x] These changes fix#16026 (github issue number if applicable).
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Didn't want the work (and review comments) in #15364 to go wasted. Fixes#15313
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I was looking at the code that used Length for #16015, and found these two.
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This will allow us to debug bindgen problems.
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I think these properties are generally rare enough that they're not worth adding 8 bytes of memmove overhead on every PropertyDeclaration. There are a _lot_ of 24-byte properties though, so I think that's probably a good sustainable level.
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This PR implements `window.parent` and `window.top` for dissimilar-origin windows.
This PR builds on #15536, only the last commit is part of this PR.
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Closes#16008
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because there are no code changes
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Bobby Holley
Emilio Cobos Álvarez
Glenn Watson
Boris Zbarsky
Matt Brubeck
Imanol Fernandez
Lucjan Suski
Xidorn Quan
Manish Goregaokar
Nazım Can Altınova
Gregory Terzian
Manish Goregaokar
Boris Chiou
Jonathan Turner
Tobias Markus
Elliott Pardee
Simon Sapin
Ravi Shankar
Panashe M. Fundira
Jeremy Chen
Paul Rouget
Zach Ploskey
George White
Alan Jeffrey
Anthony Ramine