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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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Source-Repo: https://github.com/servo/servo
Source-Revision: 058b93640f03a8ba434e54f891a4d51d79965c8c
This is on top of https://github.com/servo/servo/pull/15928.
Now that cascade() gets a Device ref, we can use the default computed values
from there to avoid propagating that state all over the place.
Source-Repo: https://github.com/servo/servo
Source-Revision: 8c8edb8731dc01d254839d0922590fba72f278c6
As [suggested](https://github.com/servo/servo/issues/15592#issuecomment-280379805) by @jdm `Document::nodes_from_point` now triggers a reflow.
I added a new reftest that panics with `ERROR:servo: Tried to hit test without a DisplayList` if this patch is not applied.
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Source-Repo: https://github.com/servo/servo
Source-Revision: fa32d50c7a2fc9cb29c7245dc45a46ed68551601
The design of initiating network requests from the image cache thread was simple, but it makes it difficult to implement image loading that conforms to the HTML specification. These changes make the implementation of HTMLImageElement responsible for network requests for `<img>` elements, and CSS-based images (background-image, bullets, etc.) are requested by the script thread to ensure that the layout thread does not attempt to retain unsafe pointers to DOM nodes during asynchronous operations.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 854d720b21dda68034233a25385c4f2564a4a2d5
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According to https://github.com/servo/servo/pull/3069 the cached thread local context is introduced for green threads. Now green threads has gone, and the existence of cache force us to create a `LayoutContext`, an `AssignISizes` and an `AssignBSizes` for each flow during parallel layout, so the pull request tries to remove it. And it also switch `assign_inline_sizes()` to accept a `LayoutContext` parameter, as according to my current design we need to do full layout to some flex items for column flexbox during assign isize traversal.
Part of #14123.
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This way we'll be able to take different paths for the sequential and parallel
traversals in some concrete cases.
This is a preliminar patch to fix bug 1332525.
r? @bholley
Source-Repo: https://github.com/servo/servo
Source-Revision: 1934a338757a84a6efddcbd3ecf051cd128a8d18
This is based on #15158 by @aneeshusa, with additional reverts.
This reverts #15064, which is causing many tests not to run, and #15129 and #15155 which landed while tests were not running and may have caused some new failures in iframe tests.
Source-Repo: https://github.com/servo/servo
Source-Revision: 185759f87a8dec88f5f65c49ac9df90b47014b19
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r? @jdm
passing tests:
tests/wpt/mozilla/tests/css/matchMedia.html, tests/wpt/mozilla/tests/mozilla/window_resize_not_triggered_on_load.html, tests/wpt/mozilla/tests/mozilla/iframe/resize_after_load.html, tests/wpt/mozilla/tests/css/meta_viewport_resize.html
Source-Repo: https://github.com/servo/servo
Source-Revision: 7e2329ea4eb81f9153a64f63264ebb29d771e82d
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Implements cursor positioning in input elements (text/password) via mouse. The related issue is #10083 but is only covered partly.
This PR does **not** cover:
* positioning in textarea elements via mouse
* text selection in input/textarea elements via mouse
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Source-Repo: https://github.com/servo/servo
Source-Revision: 68a8e1bf2b57afe9bf6c4fb295bdc5dca099a9f6
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Source-Revision: df895cb80c460594f220b6cf28aa5869464d05ec
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Source-Repo: https://github.com/servo/servo
Source-Revision: 143dfc879e609603839502d61bc064fba96cc80f
With this PR, the only remaining usage of UnsafeNode is the transition stuff, which is servo-only and probably going to be rewritten over the course of stylo. The parallel traversal is now fully typechecked and safe. \o/
r? @emilio
Source-Repo: https://github.com/servo/servo
Source-Revision: b35ab98132539d4e6f1fcd4b3307eae40e387861
See the discussion in https://bugzilla.mozilla.org/show_bug.cgi?id=1323372
@emilio Please review, but don't merge yet until we get the upstream changes into Rayon.
CC @SimonSapin @heycam @upsuper @Manishearth @pcwalton @nikomatsakis
Source-Repo: https://github.com/servo/servo
Source-Revision: 8fd8d6161426af386c0dfd3d13968a409474eb16
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This patch exposes the Quirks (NoQuirks/LimitedQuirks/Quirks) state to the layout subsystem.
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Prelimary work for issue #11704.
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(Waiting for guidance of where/which tests I could do here)
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Source-Repo: https://github.com/servo/servo
Source-Revision: 164426a7f90c90652d2d52c5a54be91154d26af7
r? @SimonSapin or @mbrubeck
cc @heycam and @bholley
Source-Repo: https://github.com/servo/servo
Source-Revision: 38f136175e15acb6472466d141dedb6a253b0330
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This PR removes the `util` crate.
* Replaced the `spawn_named` and `clamp` functions by appropriate uses of `std:🧵:Builder::spawn`, `std::cmp::min` and `std::cmp::max`.
* Moved `opts`, `prefs` and `resource_files` into a new `config` crate.
* Moved `remutex` and `geometry` into their own crates.
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Source-Revision: 4eb653817f87e5fb47de34356f558eb76ecbca9f
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* `LonghandId` and `ShorthandId` are C-like enums
* `Atom` is used for the name of custom properties.
* `PropertyDeclarationId` is the identifier for `PropertyDeclaration`,
after parsing and shorthand expansion. (Longhand or custom property.)
* `PropertyId` represents any CSS property, e.g. in CSSOM.
(Longhand, shorthand, or custom.)
CC @upsuper
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Source-Repo: https://github.com/servo/servo
Source-Revision: 6dd4b4822fa788694153ee61a04dd9a5dfb748ec
The primary idea of this patch is to ditch the rigid enum of Previous/Current
styles, and replace it with a series of indicators for the various types of
work that needs to be performed (expanding snapshots, rematching, recascading,
and damage processing). This loses us a little bit of sanity checking (since
the up-to-date-ness of our style is no longer baked into the type system), but
gives us a lot more flexibility that we'll need going forward (especially when
we separate matching from cascading). We also eliminate get_styling_mode in
favor of a method on the traversal.
This patch does a few other things as ridealongs:
* Temporarily eliminates the handling for transfering ownership of styles to the
frame. We'll need this again at some point, but for now it's causing too much
complexity for a half-implemented feature.
* Ditches TRestyleDamage, which is no longer necessary post-crate-merge, and is
a constant source of compilation failures from either needing to be imported
or being unnecessarily imported (which varies between gecko and servo).
* Expands Snapshots for the traversal root, which was missing before.
* Fixes up the skip_root stuff to avoid visiting the skipped root.
* Unifies parallel traversal and avoids spawning for a single work item.
* Adds an explicit pre_traverse step do any pre-processing and determine whether
we need to traverse at all.
Source-Repo: https://github.com/servo/servo
Source-Revision: b9a8ccd775c3192e3810a1730b1d0bc2b5c9dfb6
This is a rebased version of #11713
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 0fe94a6724a42da8f02a60d1efe18fdfc96885ae
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This reimplemntation of the feature uses ScrollRootIds to scroll
particular scrollable areas of the page.
Fixes#13736.
Fixes#10753.
Source-Repo: https://github.com/servo/servo
Source-Revision: a0619688a638b322f17d2034e0309502af1a5e52
See commits for details. This improves nytimes.com quite a bit.
r? @notriddle
Source-Repo: https://github.com/servo/servo
Source-Revision: d2d62267a14891ecc37092a1a931862b9f784019
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In particular, we no longer to have a WebRenderFrameBuilder. All of the
complication is now handled by the DisplayListBuilder itself.
Source-Repo: https://github.com/servo/servo
Source-Revision: 1c6963144d0496d8dcbb7a7ca6782d01d3305441
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I think I got the numbers right, want to do a try run before just in case.
r? @SimonSapin
Source-Repo: https://github.com/servo/servo
Source-Revision: 2289ad53dd9a2666645b1f7eef07636e21c1607e
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r? @upsuper
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Source-Repo: https://github.com/servo/servo
Source-Revision: 30867001d17222cc5d0b18086dca9f5d9bcb3934
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At the moment, we report panics from script and layout using the root pipeline id. Once we are sharing more script threads, there won't be a root pipeline id any more. The plan is only to share script threads in the same tab, so there will be a top-level frame id that all the pipelines have in common. This PR reports panics using that top-level frame id.
This mostly makes a difference to the browser API: rather than targeting a `mozbrowsererror` event at the root iframe of the script thread that panicked, it targets it at the containing mozbrowser iframe.
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Source-Revision: bbc821607a920d17f5ed43a96941079e77710d9d
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Source-Repo: https://github.com/servo/servo
Source-Revision: 68b1d1d2860ac6c6e8c1c0dfe46af6790ca01dc8
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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
Source-Revision: b78622bd53b0b605c777b4af2319e032eb3fe190
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Still needs a bunch of code in net to be converted in order to get more
advantage of this for images and stuff, but meanwhile this should help quite a
bit with #13778.
Still wanted to get this in.
r? @SimonSapin
Source-Repo: https://github.com/servo/servo
Source-Revision: 22aebdf5d41a3509cd6515ccf5edcdf33715a76d
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The WebRender display list is now similar to the Servo display list,
which simplifies the conversion.
Source-Repo: https://github.com/servo/servo
Source-Revision: 3fdce3942915e2ef461280d4908641580473ad94
