This is the Servo side of Mozilla bug 1379505.
Source-Repo: https://github.com/servo/servo
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See bug 1374848 for why.
Source-Repo: https://github.com/servo/servo
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This change is reviewed in https://bugzilla.mozilla.org/show_bug.cgi?id=1372062
Source-Repo: https://github.com/servo/servo
Source-Revision: a7ac9214f2b3e6c5a2b9786aebf9073ce4531bc4
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This shrinks rulenode by one word by removing the Option wrapper around the StyleSource and adding None to StyleSource as an additional variant. The issue mentions shrinking by two words but the free_count one was taken care of in #17368.
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r? @bholley
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There's no need for it since we know no GC is happening while we're doing it.
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The change was reviewed in https://bugzilla.mozilla.org/show_bug.cgi?id=1290276
Source-Repo: https://github.com/servo/servo
Source-Revision: 433b7bf9fab0fb4cd35bcb01670a14da903498a2
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This is the Servo side change of [bug 1345709](https://bugzilla.mozilla.org/show_bug.cgi?id=1345709).
Source-Repo: https://github.com/servo/servo
Source-Revision: 24e944ad94816e607e833e34095c4f8b8136df4c
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It seems that changeset 97ce9ed5b08f7b1c7c6cd71a9499068b8bd2ae4e mistakenly changed the check that a cascade level to keep is *not* an animation level to a check that it *is* an animation level.
This patch has been reviewed by @hiikezoe in [Mozilla bug 1367960](https://bugzilla.mozilla.org/show_bug.cgi?id=1367960).
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These are interdependent patches of Bug 1334036, which enables off-main thread animations. We add one FFI to get the property id set which overriding animations, so we can make sure the cascade result is correct for off-main thread animations.
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- [X] These changes do not require tests because we support off-main thread animation only on Gecko, and there are enough test cases there.
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PR for [Gecko bug 1355348](https://bugzilla.mozilla.org/show_bug.cgi?id=1355348)
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I've commented on the ones that I think are the most tricky. Note that this code
is stress-tested in the style tests (tests/unit/style/rule_tree/bench.rs).
Source-Repo: https://github.com/servo/servo
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Add functions for after-change style of CSS Transition
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This is a PR of https://bugzilla.mozilla.org/show_bug.cgi?id=1346663
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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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This adds a traversal time entry to the style statistics, and switches to warn! as discussed in [1].
[1] https://bugzilla.mozilla.org/show_bug.cgi?id=1339176
Source-Repo: https://github.com/servo/servo
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Style no forced docs for the properties code and similar, but I ran out of time, and I think it's a nice improvement.
I'd appreciate a fast-ish turn-around time because this is pretty much prone to bitrot.
Source-Repo: https://github.com/servo/servo
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Use a heuristic similar to Gecko's to decide when to GC the rule tree.
r? @emilio
Source-Repo: https://github.com/servo/servo
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We can't assume all our siblings are alive because they may very well be in the
free list too.
This tempts to happen when the rule nodes are destroyed as part of the last GC,
the one that runs in the root destructor.
Also, properly put the next sibling back into the list when the rules are GCd.
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This patch introduces infrastructure for the rule tree, and constructs it.
We don't use it yet, nor have good heuristics for GC'ing it, but this should not
happen anymore once we store the rule node reference in the node.
I haven't messed up with memory orders because I want to do a try run with it,
then mess with them.
Source-Repo: https://github.com/servo/servo
Source-Revision: ac0475971bb24a63ca5d36d1d17e3036ddb99049
