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* Use workspace definitions for all crates and update to the 2021 edition (#32544)Martin Robinson2024-06-181-5/+5
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* Upgrade stylo to 2024-05-15 (#32334)Oriol Brufau2024-05-271-1/+1
| | | | | | | | | | | | | * Upgrade stylo to 2024-05-15 * Fixup for https://phabricator.services.mozilla.com/D208599 * Fixup for https://phabricator.services.mozilla.com/D208569 * Fixup for https://phabricator.services.mozilla.com/D207796 * Fixup for https://phabricator.services.mozilla.com/D209690 * hashbrown and indexmap are no longer duplicated
* fonts: Improve font fallback (#32286)Martin Robinson2024-05-271-2/+2
| | | | | | | | | | | | | | | | | | - Better detect situations where emoji is necessary by looking ahead one character while laying out. This allow processing Unicode presentation selectors. When detecting emoji, put emoji fonts at the front of fallback lists for all platforms. This enables monochrome emoji on Windows. Full-color emoji on Windows probably needs full support for processing the COLR table and drawing separate glyph color layers. - Improve the font fallback list on FreeType platforms. Ideally, Servo would be able to look through the entire font list to find the best font for a certain character, but until that time we can make sure the font list contains the "Noto Sans" fonts which cover most situations. Fixes #31664. Fixes #12944.
* Remove more IPC messages between script and layout (#32377)Martin Robinson2024-05-271-41/+15
| | | | | | Instead of bouncing messages from the compositor to script and then to layout, just have script call methods on Layout. Additionally, we do not need to send any followup messages to script for these messages. Instead just execute code after calling the method on Layout.
* fonts: Remove web fonts when their stylsheet is removed (#32346)Martin Robinson2024-05-231-14/+14
| | | | | | | | | | | | | This is the first part of ensuring that unused fonts do not leak. This change makes it so that when a stylesheet is removed, the corresponding web fonts are removed from the `FontContext`. Note: WebRender assets are still leaked, which was the situation before for all fonts. A followup change will fix this issue. Fixes #15139. Signed-off-by: Martin Robinson <mrobinson@igalia.com> Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
* fonts: Clean up messaging during web fonts loads (#32332)Martin Robinson2024-05-221-75/+43
| | | | | | | | | | | | Instead of sending a message to the script thread via IPC when a web font loads and then sending another, just give the `FontContext` a callback that send a single message to the script thread. This moves all the cache invalidation internally into `FontContext` as well. Additionally, the unused LayoutControlMessage::ExitNow enum variant is removed. Signed-off-by: Martin Robinson <mrobinson@igalia.com> Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
* fonts: Store web fonts in the per-Layout `FontContext` (#32303)Martin Robinson2024-05-201-16/+19
| | | | | | | | | This moves mangement of web fonts to the per-Layout `FontContext`, preventing web fonts from being available in different Documents. Fixes #12920. Signed-off-by: Martin Robinson <mrobinson@igalia.com> Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
* compositor: Move WebRender-ish messages and types to `webrender_traits` (#32315)Mukilan Thiyagarajan2024-05-202-4/+6
| | | | | | | | | | | | | | | | | | | | * Move WebRender related types to `webrender_traits` This refactor moves several WebRender related types from `compositing_traits`, `script_traits` and `net_traits` crates to the `webrender_traits` crate. This change also moves the `Image` type and associated function out of `net_traits` and into the `pixels` crate. Co-authored-by: Martin Robinson <mrobinson@igalia.com> Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com> * Move `script_traits::WebrenderIpcSender` to `webrender_traits::WebRenderScriptApi` --------- Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com> Co-authored-by: Martin Robinson <mrobinson@igalia.com>
* Move non-gfx things out of `gfx_traits` and create a `base` crate (#32296)Martin Robinson2024-05-172-5/+5
| | | | | | | | | | | | | | | | | | | | | | | For a long time, `gfx_traits` has held a lot of things unrelated to graphics and also unrelated to the `gfx` crate (which is mostly about fonts). This is a cleanup which does a few things: 1. Move non `gfx` crate things out of `gfx_traits`. This is important in order to prevent dependency cycles with a different integration between layout, script, and fonts. 2. Rename the `msg` crate to `base`. It didn't really contain anything to do with messages and instead mostly holds ids, which are used across many different crates in Servo. This new crate will hold the *rare* data types that are widely used. Details: - All BackgroundHangMonitor-related things from base to a new `background_hang_monitor_api` crate. - Moved `TraversalDirection` to `script_traits` - Moved `Epoch`-related things from `gfx_traits` to `base`. - Moved `PrintTree` to base. This should be widely useful in Servo. - Moved `WebrenderApi` from `base` to `webrender_traits` and renamed it to `WebRenderFontApi`.
* clippy: Fix last few warnings (#32270)Pi-Cla2024-05-121-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Fix clippy in components/script warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do (components/script/dom/htmlformelement.rs:896:20) warning: `Box::new(_)` of default value (components/script/dom/paintworkletglobalscope.rs:291:29) warning: this creates an owned instance just for comparison (components/script/dom/radionodelist.rs:105:50) * Fix clippy in layout_thread (2013 and 2020) warning: this `if` statement can be collapsed (components/layout_thread/lib.rs:876:17) warning: the following explicit lifetimes could be elided: 'a (components/layout_thread/lib.rs:239 and 2020 same line) warning: deref which would be done by auto-deref (components/layout_thread/lib.rs:500 and 1289) warning: dereferencing a tuple pattern where every element takes a reference (components/layout_thread/lib.rs:503,1562 and 2020 line 1153) warning: useless conversion to the same type: `style::invalidation::element::restyle_hints::RestyleHint` (components/layout_thread_2020/lib.rs:742:36) * Fix clippy in components/servo warning: constants have by default a `'static` lifetime (components/servo/lib.rs:1238:31) warning: creating a `let` binding to a value of unit type, which usually can't be used afterwards (5 occurances in components/servo/lib.rs) * FIx clippy in ports/servoshell warning: this expression creates a reference which is immediately dereferenced by the compiler (ports/servoshell/app.rs:251:89) warning: using `clone` on type `Option<TopLevelBrowsingContextId>` which implements the `Copy` trait (ports/servoshell/webview.rs:122:9)
* fonts: Add `MallocSizeOf` implementation for `FontContext` (#32206)Martin Robinson2024-05-031-1/+7
| | | | | | | | | | | | | | | | * fonts: Add `MallocSizeOf` implementation for `FontContext` Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com> Signed-off-by: Martin Robinson <mrobinson@igalia.com> * android: remove unused imports in font_list.rs Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com> --------- Signed-off-by: Martin Robinson <mrobinson@igalia.com> Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com> Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
* fonts: Make `FontContext` thread-safe and share it per-Layout (#32205)Martin Robinson2024-05-021-62/+64
| | | | | | | | | | | | This allows sharing font templates, fonts, and platform fonts across layout threads. It's the first step toward storing web fonts in the layout versus the shared `FontCacheThread`. Now fonts and font groups have some locking (especially on FreeType), which will probably affect performance. On the other hand, we measured memory usage and this saves roughly 40 megabytes of memory when loading servo.org based on data from the memory profiler. Signed-off-by: Martin Robinson <mrobinson@igalia.com> Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
* feat: Support font-relative `ch` and `ic` units (#32171)Andreu Botella2024-05-021-6/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * feat: Support font-relative `ch` and `ic` units After #31966, which made it possible for the first time to resolve font-relative CSS units, this change adds support for the `ch` and `ic` units. One difference with the `ex` unit that was added in that PR is that these units must reflect the advance width of a character (the zero digit in the case of `ch`, and the CJK water radical for `ic`) as it would be rendered by the current font group. This means that the size of these units don't only depend on the first available font, in the case where that font does not contain a glyph for that character. This is implemented by adding the advance width for these two characters as optional fields of `FontMetrics`, so the advance width computation happens in advance. Then, when the font metrics are queried as part of unit resolution, the font group is searched for the first font containing that character. This change only implements support for these units in upright typesetting modes, since Servo does not yet have support for vertical writing modes. This means that many of the WPT tests that test for the behavior of these units with vertical writing modes do not pass. This change also makes a number of WPT tests pass, which relied on the `ch` and `ic` units. It, however, also makes the test `/css/css-text/white-space/text-wrap-balance-overflow-002.html` fail, since it tests `text-wrap: balance`, which Servo does not yet implement, and it was only previously passing by chance due to the previous behavior of these units. * Revert Python 3.10-related changes to wss * Fix formatting * Remove test expectation
* script: Include layout when collecting memory reports (#32204)Mukilan Thiyagarajan2024-05-011-5/+2
| | | Signed-off-by: Mukilan Thiyagarajan <mukilan@igalia.com>
* script_layout: Remove script to layout messages (#32081)Martin Robinson2024-04-221-67/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | Instead of communicating with layout via messages, script can simply call methods on the layout trait. This simplifies the way that script communicates with layout and opens the path to sharing more data structures between the two systems. This is part of a continuing series of cleanups after removing the layout thread. <!-- Please describe your changes on the following line: --> --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: --> - [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 they should not change behavior. <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->
* clippy: fix several lint warns (#32126)Kitsu2024-04-221-12/+12
| | | | | | | | | | | | | | | As seems #31500 still remain opened here's the next partial fix. Fixed list: `unused_mut`, `clippy::needless_borrow`, `clippy::match_ref_pats`, `clippy::borrow_deref_ref`, `clippy::ptr_eq`, `clippy::unnecessary_cast`, `clippy::derivable_impls`, `clippy::collapsible_match`, `clippy::extra_unused_lifetimes`, `clippy::map_clone`, `clippy::manual_filter`. - [x] `./mach build -d` does not report any errors - [x] `./mach test-tidy` does not report any errors - [x] These changes are part of #31500. - [x] These changes do not require tests because are only cosmetic.
* chore: Clean up use of `gfx` and `constellation` types (#31981)Martin Robinson2024-04-091-17/+8
| | | | | | | | | | | | This change contains three semi-related clean ups: 1. the `to_webrender()` and `from_webrender()` functions on Pipeline are turned into more-idiomatic `From` and `Into` implementations. 2. `combine_id_with_fragment_type` now returns a `u64` as that is what is expected for all callers and not a `usize`. 3. The `query_scroll_id` query is removed entirely. The `ExternalScrollId` that this queries is easily generated directly from the node's opaque id. Querying into layout isn't necessary at all.
* layout: Add a `FontMetricsProvider` for resolving font-relative units (#31966)Martin Robinson2024-04-041-7/+61
| | | | | | | | | | | | | | | | | | | The only font relative unit that Servo knows how to resolve currently is `rem` (relative to the root font size). This is because Stylo cannot do any font queries. This adds a mechanism to allow this, exposing the ability to properly render `ex` units in Servo. This change only allows resolving some font size relative units thoug, as Servo doesn't collect all the FontMetrics it needs to resolve them all. This capability will be added in followup changes. Some new tests fail: - ex-unit-001.html: This test fails because Servo does not yet have support for setting the weight using @font-face rules on web fonts. - ex-unit-004.html: This test fails because Servo does not yet have support for setting the Unicode range of a web font using @font-face rules. - first-available-font-001.html: This test fails because the above two feature are missing.
* script: Make layout DOM wrappers not generic on layout data (#31994)Martin Robinson2024-04-041-21/+11
| | | | | | | | | Remove the type parameter from the layout DOM wrappers. This is possible now that style and layout data are separate and the `Any` nature of the layout data is exposed in the wrappers. Removing the phantom data member of the wrappers also allows using the default `derive` implementations for things like `Clone`, `Copy`, and `PartialEq`.
* layout: Remove LayoutRPC and query layout via the `Layout` trait (#31937)Martin Robinson2024-03-291-309/+210
| | | | | | | | | | | | | | | | | Instead of the tricky `LayoutRPC` interface, query layout using the `Layout` trait. This means that now queries will requires calling layout and then running the query. During layout an enum is used to indicate what kind of layout is necessary. This change also removes the mutex-locked `rw_data` from both layout threads. It's no longer necessary since layout runs synchronously. The one downside here is that for resolved style queries, we now have to create two StyleContexts. One for layout and one for the query itself. The creation of this context should not be very expensive though. `LayoutRPC` used to be necessary because layout used to run asynchronously from script, but that no longer happens. With this change, it becomes possible to safely pass nodes to layout from script -- a cleanup that can happen in a followup change.
* clippy: Fix needless_lifetimes warnings (#31933)Oluwatobi Sofela2024-03-291-8/+8
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* clippy: refactor struct literals to use shorthands (#31924)Azhar Ismagulova2024-03-281-5/+5
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* clippy: Fix mem_replace_with_default warnings (#31921)Oluwatobi Sofela2024-03-281-2/+1
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* fonts: Add support for WOFF2 and properly load web fonts from @imports (#31879)Martin Robinson2024-03-261-29/+57
| | | | | | | | | | | | This change also makes two fixes that are necessary to get WOFF2 fonts working: 1. It adds support for loading web fonts from stylesheets included via @import rules. 2. It ensure that when web fonts are loaded synchronusly they invalidate the font cache. This led to incorrect font rendering when running tests before. Fixes #31598.
* layout: More conservatively replace Stylist's Device (#31857)Martin Robinson2024-03-261-21/+49
| | | | | | | | | Instead of replacing Stylist's device on every reflow, only replace it when the viewport changes. In addition, preserve the root font size from the previous reflow fixing an issue where `rem` units were not properly computed between reflows. This fixes a bug where fonts that are sized using `rem` units change size on reload.
* layout: Add basic support for `getClientRects()` queries (#31696)Martin Robinson2024-03-151-1/+2
| | | | | | This adds basic support for `getClientRects()` by sharing code with the implementation of `getBoundingClientRect()`. In addition to sharing code, it also shares all of the bugs. Primarily, scrolilng positions are not taken into account when return boundary rectangles.
* dependencies: Upgrade to WebRender 0.64 (#31486)Martin Robinson2024-03-141-4/+8
| | | | | | | | | This brings the version of WebRender used in Servo up-to-date with Gecko upstream. The big change here is that HiDPI is no longer handled via WebRender. Instead this happens via a scale applied to the root layer in the compositor. In addition to this change, various changes are made to Servo to adapt to the new WebRender API. Co-authored-by: Mukilan Thiyagarajan <mukilan@igalia.com>
* layout: Propagate overflow values from `<body>` to root element (#31618)Martin Robinson2024-03-131-0/+1
| | | | | | | The specification gives instructions for how these values should be propagated. The other big changs here is that they aren't applied to the `<body>`. Co-authored-by: Oriol Brufau <obrufau@igalia.com>
* font_cache: Handle filtering `@font-face` rules in Servo (#31601)Martin Robinson2024-03-111-45/+10
| | | | | | | | | | | Instead of letting Stylo filter `@font-face` rules, handle this filtering in Servo. It doesn't make sense that Stylo knows about what fonts Servo supports. This also cleans up a bit the way that this is handled, giving an entire stylesheet of rules to the font cache to process instead of letting each layout thread walk the rules. This brings more of the font-related code into the FontCacheThread itself. This is the first step toward adding WOFF2 support and fixing various web font related bugs.
* layout: Add an implementation of `process_resolved_font_style_query` for ↵Smitty2024-02-281-2/+10
| | | | | | | | | | | | | | | Layout 2020 (#31436) * layout: support setting canvas font Signed-off-by: syvb <me@iter.ca> * Update 2d.reset.state.font.html test Signed-off-by: syvb <me@iter.ca> --------- Signed-off-by: syvb <me@iter.ca>
* Move Stylo to its own repo (#31350)Delan Azabani2024-02-271-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * Remove packages that were moved to external repo * Add workspace dependencies pointing to 2023-06-14 branch * Fix servo-tidy.toml errors * Update commit to include #31346 * Update commit to include servo/stylo#2 * Move css-properties.json lookup to target/doc/stylo * Remove dependency on vendored mako in favour of pypi dependency This also removes etc/ci/generate_workflow.py, which has been unused since at least 9e71bd6a7010d6e5723831696ae0ebe26b47682f. * Add temporary code to debug Windows test failures * Fix failures on Windows due to custom target dir * Update commit to include servo/stylo#3 * Fix license in tests/unit/style/build.rs * Document how to build with local Stylo in Cargo.toml
* script: Do not run layout in a thread (#31346)Martin Robinson2024-02-232-281/+84
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * script: Do not run layout in a thread Instead of spawning a thread for layout that almost always runs synchronously with script, simply run layout in the script thread. This is a resurrection of #28708, taking just the bits that remove the layout thread. It's a complex change and thus is just a first step toward cleaning up the interface between script and layout. Messages are still passed from script to layout via a `process()` method and script proxies some messages to layout from other threads as well. Big changes: 1. Layout is created in the script thread on Document load, thus every live document is guaranteed to have a layout. This isn't completely hidden in the interface, but we can safely `unwrap()` on a Document's layout. 2. Layout configuration is abstracted away into a LayoutConfig struct and the LayoutFactory is a struct passed around by the Constellation. This is to avoid having to monomorphize the entire script thread for each layout. 3. Instead of having the Constellation block on the layout thread to figure out the current epoch and whether there are pending web fonts loading, updates are sent synchronously to the Constellation when rendering to a screenshot. This practically only used by the WPT. A couple tests start to fail, which is probably inevitable since removing the layout thread has introduced timing changes in "exit after load" and screenshot behavior. Co-authored-by: Josh Matthews <josh@joshmatthews.net> * Update test expectations * Fix some issues found during review * Clarify some comments * Address review comments --------- Co-authored-by: Josh Matthews <josh@joshmatthews.net>
* style: Remove dependency on servo_url (#31358)Martin Robinson2024-02-162-3/+9
| | | | | In order for stylo to be a separate crate, it needs to depend on less things from Servo. This change makes it so that stylo no longer depends on servo_url.
* deps: Remove unused crate dependencies (#31185)Martin Robinson2024-01-261-5/+0
| | | These were identified with `cargo-marchete`.
* Compile Servo with the latest version of rust stable (#30831)Martin Robinson2023-12-061-1/+1
| | | | | | | | | | | | | | | | This completes the transition to compiling Servo with rust stable. Some nightly-only features are still used when compiling the `script` and `crown` crates, as well as for some style unit tests. These will likely break with newer compiler versions, but `crown` can be disabled for them conditionally. This is just the first step. This has some caveats: 1. We need to disable setting up the special linker on Linux. The -Z option isn't supported with stable rust so using this is out -- meanwhile we can't be sure that lld is installed on most systems. 2. `cargo fmt` still uses some unstable options, so we need to rely on the unstable toolchain just for running `fmt`. The idea is to fix this gradually.
* Add initial support for sticky positioning for non-legacy layout (#30686)Martin Robinson2023-11-291-3/+5
| | | | | | | | | | * Add initial support for sticky positioning for non-legacy layout Many tests still fail for a variety of reasons. One of the primary ones is that CSSOM currently does not return correct values for elements positioned by sticky nodes. This requires changes to WebRender to work properly. * Fix an assertion failure in the legacy layout sticky code
* Move `*_traits` and other shared types to `shared`Martin Robinson2023-11-031-9/+9
| | | | | | | | | | | | This is the start of the organization of types that are in their own crates in order to break dependency cycles between other crates. The idea here is that putting these packages into their own directory is the first step toward cleaning them up. They have grown organically and it is difficult to explain to new folks where to put new shared types. Many of these crates contain more than traits or don't contain traits at all. Notably, `script_traits` isn't touched because it is vendored from Gecko. Eventually this will move to `third_party`.
* Fix painting order of atomic inline stacking containers (#30458)Delan Azabani2023-10-061-1/+5
| | | | | | | | | | | | | | | | | | | | | | | * Sort stacking contexts and stacking containers by painting order * fix stealing of stacking containers; fix interleaving with fragments * actually positioned stacking containers should be stolen too * update expectations and clean up panic changes * rework naming and docs * rename s_c_a_p_s_c to real_s_c_a_p_s_c; fix docs * rename InlineStackingContainer to AtomicInlineStackingContainer * rework debug logging to use PrintTree * clean up docs and PrintTree output * don't panic unless cfg!(debug_assertions) is true * update expectations
* Refactor scrolls on the window object (#29680)Martin Robinson2023-09-151-5/+5
| | | | | | | | | | | | | | Refactor the scrolling and scrollable area calculation on the window object, to make it better match the specification. This has some mild changes to behavior, but in general things work the same as they did before. This is mainly preparation for properly handling viewport propagation of the `overflow` property but seems to fix a few issues as well. There is one new failure in Layout 2020 regarding `position: sticky`, but this isn't a big deal because there is no support for `position: sticky` in Layout 2020 yet. Co-authored-by: Rakhi Sharma <atbrakhi@igalia.com>
* Strict import formatting (grouping and granularity) (#30325)Samson2023-09-111-29/+25
| | | | | * strict imports formatting * Reformat all imports
* Upgrade WebRender to e491e1ae637b2eed1e7195855d88357e5eb3ddf9 (#30323)Martin Robinson2023-09-101-7/+4
| | | | | | | | | | | | | | | | | | * Upgrade vendored version of WebRender * Patch WebRender: upgrade version of gleam * Restore hit testing implementation * Fix WebRender warnings * Adapt Servo to new WebRender * Update results * Add a workaround for #30313 This slightly expands text boundaries in order to take into account the fact that layout isn't measuring glyph boundaries.
* remove `extern crate` (#30311)Samson2023-09-081-9/+4
| | | | | | | | | | | * remove extern crate * Update components/script_plugins/lib.rs Co-authored-by: Martin Robinson <mrobinson@igalia.com> --------- Co-authored-by: Martin Robinson <mrobinson@igalia.com>
* build(deps): bump parking_lot from 0.11.2 to 0.12.0 (#30199)dependabot[bot]2023-08-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | * build(deps): bump parking_lot from 0.11.2 to 0.12.0 Bumps [parking_lot](https://github.com/Amanieu/parking_lot) from 0.11.2 to 0.12.0. - [Changelog](https://github.com/Amanieu/parking_lot/blob/master/CHANGELOG.md) - [Commits](https://github.com/Amanieu/parking_lot/compare/0.11.2...0.12.0) --- updated-dependencies: - dependency-name: parking_lot dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * Upgrade parking-log in style and layout_thread* as well --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Martin Robinson <mrobinson@igalia.com>
* Try to `use` WebRender types moreMartin Robinson2023-07-101-7/+8
| | | | | The newer versions of WebRender move types around between `webrender` and `webrender_api` and this will reduce the churn during the upgrade.
* Make the choice of layout runtime settingMartin Robinson2023-07-061-1/+1
| | | | Co-authored-by: Samson <16504129+sagudev@users.noreply.github.com>
* Vendor the current version of WebRenderMartin Robinson2023-07-031-1/+1
| | | | | | | | This is a step toward upgrading WebRender, which will be upgraded and patched in the `third_party` directory. This change vendors the current private branch of WebRender that we use and adds a `patches` directory which tracks the changes on top of the upstream WebRender commit described by third_party/webrender/patches/head.
* Remove unused variableOriol Brufau2023-07-011-1/+0
| | | | Just a remnant from #29850, it was causing a build warning.
* It was removed from the spec and it's disabled everywhere.Emilio Cobos Álvarez2023-06-301-23/+1
| | | | This also removes the meta viewport support (which was implemented on top), but that also had a single test and is disabled everywhere, so I'm not too concerned, it can be implemented again if / when needed.
* Layout-2020: Serialize access to stylo thread pool.Mukilan Thiyagarajan2023-05-261-4/+7
| | | | | | | | | | | | | | | | | | | | When rendering a page containing an iframe, layout 2020 creates parallel 'Layout' threads which share workers in the stylo thread pool. Because of the way the 'StyleSharingCache' is designed using TLS for storage of the LRU cache, this leads to a double borrow of the cache when both layout threads run concurrently. More details about the issue can be found here: https://gist.github.com/mukilan/ed57eb61b83237a05fbf6360ec5e33b0 This PR is a workaround until we find a more elegant/optimal design that also can work for gecko. The fix for now is simply to not allow multiple layouts in parallel. Signed-off-by: Mukilan Thiyagarajan <me@mukilan.in>
* Clean up and document the `send_display_list` interfaceMartin Robinson2023-05-241-10/+7
| | | | | | This moves more members to the CompositorDisplayListInfo struct, which now holds all miscellaneous, non-WebRender data when sending display lists. It also documents what each things sent with a display list does.
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