* Add support for clip masks on text runs.
* Fix atomic ordering of items with multiple shadows.
* Update to bincode + ipc-channel with optimizations.
* Fix some plane splitting precision errors.
* Improve the anti-aliasing quality significantly.
* Add internal ClipChain support.
* Fix diacritic glyphs on Linux.
Source-Repo: https://github.com/servo/servo
Source-Revision: d3d2b0261a8aacd4f74e330f8c007a91f829a96e
Casting `*const T` to `*const U` with `U: Sized` is allowed even if `T: ?Sized`. This safely extracts the data pointer out of a trait object, without relying on the memory representation of trait objects.
Source-Repo: https://github.com/servo/servo
Source-Revision: 86a5135ffaa60d4743b6f6950fc395c2615e85ba
With `--no-default-features --features default-except-unstable`, more crates can now be compiled on stable Rust. This will help integrate them in rustc’s regression testing and compiler performance benchmarking.
Source-Repo: https://github.com/servo/servo
Source-Revision: 78aaa85aec8184d0a2d70006c45034d7c2ec561a
Rebased from #17896.
---
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Source-Revision: e3624e62a4b247d7af5e783fcd4205d2914b6aab
This makes the code depend a bit less on rustc implementation details.
r? pcwalton
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 8338df1c7011ed150a8e7d6d3655895fecf1575c
No more `modify_style_for_foo` in `properties.mako.rs`!
Source-Repo: https://github.com/servo/servo
Source-Revision: 28b8f8eba5c77ffe4175dc6da1c56c87e0ae44d7
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At the moment, layout panics if it discovers an iframe without a nested browsing context. Under normal circumstances, this is reasonable, but it requires very tight synchronization between script, layout, the constellation and the compositor. In particular, if a layout is in progress when an iframe's browsing context is discarded, this can trigger panic.
This PR fixes this in two ways:
1. Making the pipeline and browsing context ids optional in layout's representation of an iframe.
2. Shutting down layout before discarding a browsing context, rather than after.
This is belt and braces.
---
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Source-Revision: c48ef50b7260df7f2e781e15bba37b08f0970062
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This makes the internal tidy script properly ignore the contents of Rust multiline strings.
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Source-Revision: a8a25dac5226a12916c8fe17155d1dbb3b6cb565
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Allow paint worklets to draw to a border.
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Source-Revision: a5282cabe04ac836458652bcb2b5e40214d36390
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Source-Revision: 1da581f49b039d5eda5fa618fc41905d444c4885
Before we did not properly descend intro truncated fragments when
collecting stacking contexts. This change makes sure that we descend
properly
Fixes#18254.
Fixes#17072.
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Source-Revision: 4911706f755f558529cb08f44b0e96be397874ee
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Source-Revision: b2df99cb65a585907e59f70081c3b3c15317b11a
```
implement size hint for
more iterators because why
not we like fast things
```
Source-Repo: https://github.com/servo/servo
Source-Revision: bb2030a49314433c1b31f853e4fa50afa241b596
These are the inter-dependent patches of bug 1392161. We want to handle
extreme small lengths carefully for some properties, such as transform, so we
shouldn't use |Au| as the computed value of specified::Length. Now, we introduce
a new type, CSSPixelLength, which is a wrapper of CSSFloat, and it is the
computed value of specified::Length, so we can keep the fractional part
of computed::Length.
---
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- [X] These changes fix [Bug 1392161](https://bugzilla.mozilla.org/show_bug.cgi?id=1392161).
- [X] These changes do not require tests because there is a wpt test for this, and I also add some others in Gecko.
Source-Repo: https://github.com/servo/servo
Source-Revision: ac1b49b1987d37b3c1ba67213b43c6d5fc373579
This does the minimal work to update to the API changes related
to backface support. It doesn't actually pass through any info
about the backface visibility flags yet.
Source-Repo: https://github.com/servo/servo
Source-Revision: cad3aff508fdf47036237ead519791f180e1ea3d
This leverages the position:sticky support in WebRender to bring basic
support for position:sticky in Servo. There are still some issues with
nested sticky flows as well as a few other corner cases. Tests are
imported from WPT and can be removed once we update to the latest
version.
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Source-Revision: f1fab036ab16910587c3b0d7813c78b49562f6d9
WR now has a concept of font templates and font instances. This
makes the WR font interfaces closer to Cairo and Gecko, and also
makes some future performance optimizations possible.
A font template is the font family, and data backing the font.
A font instance is a reference to a font template and per-instance
options, such as font size, anti-aliasing settings etc.
To update Servo in a minimally invasive way, I added a new font
cache call, that creates a font instance. This means that when
a font is created, and doesn't exist in the cache there are now
two calls to the font cache thread. We could refactor the font
cache to make this work in one call, which we should do in the
future. However, refactoring the font cache is a large chunk of
work by itself. The extra call is only when a font doesn't already
exist in the font context cache, so it should have minimal
performance impact.
Source-Repo: https://github.com/servo/servo
Source-Revision: f7d238d1f38e4d6798cf2f18d72e61b3dd35bd2c
Implement ComputeSquaredDistance for mismatched transform lists.
In order to do this, we have to convert a transform list into a 3d matrix,
so I move the code from layout module into style module for reusing it.
---
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- [X] These changes fix [Bug 1390039](https://bugzilla.mozilla.org/show_bug.cgi?id=1390039).
- [X] These changes do not require tests because this is a Gecko feature and I add many tests in Gecko already.
Source-Repo: https://github.com/servo/servo
Source-Revision: 3fa5d83ab798a9f1f88a73bf8618e6d7ccbb4b64
No need to call the `assign_block_size_block_base()` method of normal block in flex.rs since it is implemented for CSS2.
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Source-Revision: 7e363d60bb201a526eeebefbd57844cb1f070354
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Check line_count before attempting to calculate space around line
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Source-Repo: https://github.com/servo/servo
Source-Revision: 163f29ff63882a9ffd7d94825110e4f1dd0d28db
Fix the long-standing bug where items that are positioned and have
overflow:scroll or overflow:auto automatically create stacking
contexts. In order to do this we need to fix another bug where display
list sorting can put a Clip or ScrollFrame definition after the first
time it is used in a display list.
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Source-Revision: 4725a05bfba0b588d19af8bc5cfe960bda1ea880
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Automatically verify that derive() lists are alphabetically ordered #18172
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Source-Revision: 474369618965569407d127b1e8c481e757cc59d3
The only reason why we had the `existing_style_for_style_damage` bit is to apply
some optimizations that we don't have anymore.
I still want to reintroduce a few of them, at least for the non-eager
pseudo-element case... But I think I won't need this at all.
This allows us to remove a fair amount of Gecko code too.
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Source-Revision: 87206bd68ee6e870c10dc09d5a7b1f893805c379
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Fixed h5e's TreeBuilder so that it does not use `same_tree` and `has_parent_node` methods: d8c2ea5cb6
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Source-Revision: 62d0de349debf54c32e865e813eac43fb83df7be
Instead of only promoting flows with positioned fragments to containing
blocks, also do this for flows which have the transform, perspective or
filter properties set. This is what the spec requires and also fixes
some failing tests. It will allow us to stop creating stacking contexts
for overflow:hidden and overflow:scroll flows.
Fixes#18091.
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Source-Revision: 12607531d812ee87e0b4a70f961c1aa3ec4c414d
This reverts commit 4d10d39e8fe841c5fe2ac58da2daaa13c10c140e, reversing
changes made to ee94e2b7c0bd327abe8f9545b2a1f792f67a2bdd.
Source-Repo: https://github.com/servo/servo
Source-Revision: fbabcaf614662a52eace21a64f27802c7eff4304
This is a better approach than relying on
contains_positioned_fragments, because in the future other properties
will create absolute containing blocks.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 7806784eb4761bf9018d342d29594eb6c9058fc3
This reverts commit 90f55ea4580e2a15f7d70d0491444f18b972d450, reversing
changes made to 2e60b27a2186a8cba4b952960155dfcf3f47d7db.
Doing that per Josh's request, since it's causing very frequent intermittent OOMs on the android builders.
Source-Repo: https://github.com/servo/servo
Source-Revision: 4d10d39e8fe841c5fe2ac58da2daaa13c10c140e
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Info about the big picture and the goals of the WebGL refactor in this thread: https://groups.google.com/forum/#!topic/mozilla.dev.servo/0WMGz60kKzQ
I tried to reduce this PR as much as possible as requested in the thread. I'll do separate PRs for other features (e.g.: Batch messages or use shared memory to improve frame times) or fixes.
Some tips to ease the review process:
- Most changes in DOM objects follow the same pattern (remove CanvasMsg wrapper and use the new sender method).
- WebGLCommands are the same ones as before (moved from webrender_api). So those lines are already reviewed.
- See WebGL traits in [components/canvas_traits/webgl.rs](https://github.com/servo/servo/pull/17891/files#diff-8701045d01505418701d0631d4d45562)
- See WebGLThread and WR External Image bridge in [components/canvas/webgl_thread.rs](https://github.com/servo/servo/pull/17891/files#diff-281554879f39a2a041f7a69d442a5d2e)
- The implementation submitted in this PR creates a single `WebGLThread` for all ScriptThread/Pipelines. See that in [components/canvas/webgl_mode/inprocess.rs](https://github.com/servo/servo/pull/17891/files#diff-250070c6c5a38c7f9fa0f5b3c101f68b)
The conformance tests will help to guarantee that we don't miss anything.
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Source-Revision: 90f55ea4580e2a15f7d70d0491444f18b972d450
I'm not sure this member was ever used.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 53c6f8ea8bf1002d0c99c067601fe070dcd6bcf1
According to the spec, the computed value of transform is as specified, but
with relative lengths converted into absolute lengths, so in Gecko, we do
nothing while computing the value of rotate3d(), and do normalization in
ProcessRotate3D(). If the direction cannot be normalized, we treat it as
an identity matrix.
However, in Servo, we do normalization in to_computed_value(), and looks
like we are trying to normalize any kind of direction vectors, so according
to the spec, let's move the normalization into Fragment::transform_matrix(),
and return an identity matrix if we cannot normalize its direction vector.
---
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- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix [Bug 1388216](https://bugzilla.mozilla.org/show_bug.cgi?id=1388216).
- [X] These changes do not require tests because the added test is on Gecko side.
Source-Repo: https://github.com/servo/servo
Source-Revision: 89971910cf8ef5e24ae1542c93699b9ee7c4132c
Various refactorings of the code for traversing flow trees, including:
* Add a generic inorder traversal method
* Remove unused `traverse_postorder_absolute_flows` method
* Combine `compute_absolute_position` and `build_display_list` into a single traversal
* Move all generic traversal code into the `layout::traversal` module
And some changes to add documentation and more-accurate names:
* Fix spelling of `bottom_up_flow`
* Rename `compute_absolute_position` to `compute_stacking_relative_position`
* Change the mis-named `traverse_flow_tree_preorder` to `reflow`
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: ed3c2b95573c355c11c99eb43320d604fc95a5e9
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The size of a paint worklet should be based on the background-size CSS property.
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- [X] These changes do not require tests because the existing css-paint-api tests catch this.
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Source-Repo: https://github.com/servo/servo
Source-Revision: a624496cc485e4eebe82860ca241cb651d91f54a
Some properties only accept non-negative values, or values greater than or equal to one. It is possible to produce an negative interpolated values while using negative timing functions, so we have to apply a restriction to these values to avoid getting invalid values.
For example, line-height must be non-negative, but the output progress of some timing functions (e,g. cubic-bezier(0.25, -2, 0.75, 1)) may be a negative value, so the interpolated result of line-height is also negative.
---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix Bug 1374233.
- [X] These changes do not require tests because we have tests in Gecko side already.
Source-Repo: https://github.com/servo/servo
Source-Revision: 016ea11cbaf7586db144be122581c5b110649aee