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The changes were reviewed previously as a part of WR update PRs, but then we decided to move them out.
r? @emilio
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--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 13ec4c4a854d170c065cd07d2a6441fc215ba845
Scroll roots are no longer nested containers holding items, so instead
we need to track the offsets of each, carefully handling fixed position
items and stacking contexts that create new reference frames.
Additionally, we remove the complexity of the pre-computed page scroll
offset, instead opting to send script scrolls to the layout task in
order to more quickly have a ScrollState there that matches the
script's idea of the scroll world.
Fixes#16405.
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--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : c4b92e4eab5b1712a84c4437f483ededcf317794
This is a collection of commits improving the rendering of linear and radial gradients by making them conform more closely to the spec.
All commits are are independent and should work without the others.
These commits address the following issues:
* a956e3fd529715cc0ac39b23910f19e092c7c5a9 resolves#3908 but contains also some other necessary changes to `convert_gradient_stops`. The updated function has a few more copys but should be more correct. Maybe @pcwalton wants to comment since he has originally written the code.
* b230be8aaf318fb754cf58e5cd243087df2f7e0f partially solves #16638. (Partially because `border-image-outset` is not implemented. This is an older issue for border gradients: #15894.
To quickly catch regressions and see changes to gradients I have created [a set of twelve manual testcases](https://pyfisch.org/stuff/testcases-gradients.html) and placed them in a single file. Attached are two files. One shows how the gradients were rendered before the PR the other one with the changes applied.
r? @emilio
and maybe also @jdm?
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--HG--
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extra : subtree_revision : b6e9d1479c65a59ebe6df841e7b648782449c5dc
PopScrollRoot was unused and PushScrollRoot no longer pushes a scroll
root, but defines a new one.
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--HG--
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This PR passes the `radial-gradient` function down from CSS parsed properties to webrender. It currently lacks tests but the examples from MDN and some other tests work fine. Probably there are some wpt tests I can enable?
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--HG--
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extra : subtree_revision : 1b8dd637f2ccee556a9edd14c2ef6fc2de8cc7d4
Just use WebRender's ClipId directly. This will allow us to create and
use ReferenceFrames in the future, if we need to do that. It will also
make it easier to have Servo responsible for creating the root
scrolling area, which will allow removing some old hacks in the future.
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--HG--
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extra : subtree_revision : ed3c05a3a6ad1de7c189632886473e8b9b294565
This member is now unused since WebRender is the only display backend.
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--HG--
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extra : subtree_revision : b018c3655b68daeab0e2558323b41d2626cda380
This is the first step toward removing inherited clips in favor of
scroll roots for handling overflow and CSS clipping. This will allow us
to more easily handle elements that should not be clipped. While we are
still using inherited clips here, we now properly clip some types of
content that wasn't clipped before.
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--HG--
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extra : subtree_revision : 9e1db3f7fa3de95574acbef51d5c5ac63de1a8fa
webrender add gradient border support in https://github.com/servo/webrender/pull/953. This pr add support in servo.
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--HG--
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extra : subtree_revision : 9f3188db40cd1d21acb98f2b7f6927961c8e71ad
This is on top of #15888. Only the second commit needs review.
We put the more recently used item last, so iterating then from left to right is
pointless.
Source-Repo: https://github.com/servo/servo
Source-Revision: 7fa4a94bb154449702e5ae9422c3008a5195c714
--HG--
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extra : subtree_revision : fbf4742c4186ad27bd4d5ccd3e2319a5b0748b55
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Fixes the panic when transform is non-invertible.
Counterpart of https://github.com/servo/webrender/pull/823
r? @glennw
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--HG--
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extra : subtree_revision : 8d73f7ee9d060bf2daca6cf6ed2f709a439d0164
Only create scroll roots for overflow regions when the overflow region
is actually larger than the container size. This prevents creating
scrolling roots for elements that do not have overflow scroll as a
side-effect of the way their height and width is defined. For example,
tables should never respect overflow:scroll since their height and
width should always be large enough to prevent overflow. This also
decreases the size and complexity of the display list in many other
circumstances.
As part of this change, transformed overflow calculation is moved from
display list construction to layout. This should mean that overflow is
handled more accurately earlier.
Fixes#14574.
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…to other stacking context space.
I don't know how neither review or a test caught this.
r? @pcwalton or @notriddle
Fixes#15015
Source-Repo: https://github.com/servo/servo
Source-Revision: a4551d0ceea8f2aceb68775452ea3010760f2825
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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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Collect scroll roots during the collect_stacking_context phase instead
of during display list construction. This will be useful in order to
collect containing block scroll roots as well as to give scroll roots
sequential ids in the future. This change also pulls stacking context
children out of the StackingContext struct itself, which should reduce
very slightly the memory used by the finished display list. This also
simplifies the DisplayListBuilder because it no longer has to maintain
a stack of ScrollRootIds and StackingContextIds and can instead just
rely on the program stack.
Source-Repo: https://github.com/servo/servo
Source-Revision: dabb79c7878fce31b8b979dd5fcfdfb8713a9d80
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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
--HG--
rename : servo/components/util/Cargo.toml => servo/components/config/Cargo.toml
rename : servo/components/util/basedir.rs => servo/components/config/basedir.rs
rename : servo/components/util/lib.rs => servo/components/config/lib.rs
rename : servo/components/util/opts.rs => servo/components/config/opts.rs
rename : servo/components/util/prefs.rs => servo/components/config/prefs.rs
rename : servo/components/util/resource_files.rs => servo/components/config/resource_files.rs
rename : servo/components/util/geometry.rs => servo/components/geometry/lib.rs
rename : servo/components/util/remutex.rs => servo/components/remutex/lib.rs
rename : servo/tests/unit/util/lib.rs => servo/tests/unit/servo_config/lib.rs
rename : servo/tests/unit/util/opts.rs => servo/tests/unit/servo_config/opts.rs
rename : servo/tests/unit/util/prefs.rs => servo/tests/unit/servo_config/prefs.rs
rename : servo/tests/unit/util/remutex.rs => servo/tests/unit/servo_remutex/lib.rs
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Don't promote all scrollable regions to stacking contexts
Instead annotate all flows with their owning ScrollRoots. When
processing the display list items into a flattened display list, we add
PushScrollRoot and PopScrollRoot to signal when scrolling regions start
and end. It is possible for content from different scrolling regions to
intersect and when they do, the stack of scrolling regions is
duplicated. When these duplicated scrolling regions stacks reach
WebRender, it will scroll them in tandem.
The PushScrollRoot and PopScrollRoot items are currently represented as
StackingContexts in WebRender, but eventually these will be replaced
with special WebRender display items.
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This makes the API used to build display lists quite a bit simpler and
reduces the amount of auxiliary data structures that need to be passed
around. It is also important preparation work for separating scrolling
areas from stacking contexts.
Source-Repo: https://github.com/servo/servo
Source-Revision: 021cabd3e6242b3537addec32010ee8cee556121
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--HG--
rename : servo/resources/shaders/box_shadow.fs.glsl => servo/resources/shaders/cs_box_shadow.fs.glsl
rename : servo/resources/shaders/ps_box_shadow.glsl => servo/resources/shaders/cs_box_shadow.glsl
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Layers were a feature of the legacy drawing path. If we re-add them at
some point, it probably makes more sense to make them a product of
display list inspection.
This change also remove a bunch of dead painting code.
Source-Repo: https://github.com/servo/servo
Source-Revision: bb271ef4afea02b6b1b5d207e773d1fedccd2906
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With the removal of the legacy rendering path, we don't need to worry
about nested stacking contexts. This change just pushes the
complication to the WebRender conversion step, but a later change will
remove the concept from WebRender as well.
This also helps to prepare for the introduction of ids for particular
scrolling regions, an integral part of multiple ScrollLayers per block.
Source-Repo: https://github.com/servo/servo
Source-Revision: e667e62f0ca8cd5fd21282333808cccaed8c957c
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This is probably a holdover from the days before namespaced enums. We
can remove this part of the name to avoid a lot of visual noise.
Source-Repo: https://github.com/servo/servo
Source-Revision: 275278be44b96b683bee40a8d8a6462198ec9e39
Clipping region computation now follows a simple process: (1) in the
parent's coordinate system, parents store appropriate clipping regions
into children; (2) each child moves its clipping region to its own
coordinate system if necessary.
Because clipping region computation is now based on stacking-relative
border box positions and the `transform_rect` method, it can handle
`position: relative` offsets and more types of transforms, such as
scaling.
Improves etsy.com.
Closes#13753.
Source-Repo: https://github.com/servo/servo
Source-Revision: c1abd8797c5b257c9339fbaf6ca4b7480c43a755
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Integrate stacking contexts into the display list by adding two new
entry types, PushStackingContext and PopStackingContext. This allows us
to eliminate the ugly offsets map that DisplayList used to contain
and seems to speed up display list construction. With this approach
we are able to also completely prune pseudo-stacking contexts from the
final display list and remove their (minimal) overhead from display
list traversal Traversing the display list is also a bit simpler now.
Additionally, this will allow easier editing of the DisplayList to
properly support scrolling roots. The push/pop entries can be
duplicated to clone complex StackingContext trees between layers.
Source-Repo: https://github.com/servo/servo
Source-Revision: 6e0d7326ab2901ef493c6de5b41969f8ee602864
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This will make display list dumps more likely to fit on a single line.
Source-Repo: https://github.com/servo/servo
Source-Revision: b9bd15ebb0e84b48d5b0e7d1e952a911960d4fef
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Simplify the way that stacking contexts are collected. Instead of
passing the StackingContextId down the tree, pass the parent
StackingContext itself. This will allow future patches to get more
information about the parent stacking context (such as location).
Also remove the return value of collect_stacking_contexts, which was
unused.
Source-Repo: https://github.com/servo/servo
Source-Revision: 81dfa6a96b99eae8a7232eab39de96edf663ba99
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Add support for new background-repeat modes and upgrade Euclid, which now has support for basic arithmetic with Size2D.
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This adds support for more background-repeat modes using the legacy
rasterization backend.
Source-Repo: https://github.com/servo/servo
Source-Revision: efdd94a2b629e4ae41d81a4209ad80b89eb6b937
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Fixes#12833.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 9b4713f5366aa43ac0db6a8f1d96f33b2f527978
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This is a potential fix for #12842. I have done only the math to handle simple transforms because it's three AM, but I'd like @pcwalton to verify my approach, or suggest an alternative.
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Source-Repo: https://github.com/servo/servo
Source-Revision: 5f169581dc290e3cf0e8d6e7fc0550f1031fb25f
These were fixed in serde_codegen 0.8.0 by serde-rs/serde#456.
cc @nox
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Source-Repo: https://github.com/servo/servo
Source-Revision: 11b853fbf1916fb71b49fefbf2ebeaccaec50ee2
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Source-Repo: https://github.com/servo/servo
Source-Revision: 9b4b94aa755a04d4b9c9703574b01c03ad25a788
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Simplify the situations in which subpixels are accumulated, so that it
is only done for translation or identity transformation matrices. Also,
apply accumulated subpixels to more operations in PaintContext. This
fixes several pre-existing reftests and hopefully will eliminate
off-by-one errors in flaky reftests.
Source-Repo: https://github.com/servo/servo
Source-Revision: 3ae94fca708bb7783c9e0e356f58521fc19fcdbf
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Instead of simply rounding layer origins and discarding subpixel
offsets, accumulate them by transforming them into the space of the
next child stacking context. This is an attempt to eliminate subpixel
differences that are caused by different stacking context boundaries in
reference tests.
Currently these accumulated subpixels are only used for text
positioning, but the plan is that they can be used for all drawing in
the future.
Source-Repo: https://github.com/servo/servo
Source-Revision: 4077ae7d04e64d66e2dfd1577dc4d337c45fecd4
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The bulk of this is adding cargo features to make derived implementations of `heapsize` and `serde` traits optional.
"Almost" because `std::intrinsics::discriminant_value` is currently unstable and doesn’t have any stable replacement that I know of. For now, this PR conditionally replaces it with `unimplemented!()`.
r? @nox
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- [x] These changes <s>fix</s> are part of #11815 (github issue number if applicable).
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Source-Repo: https://github.com/servo/servo
Source-Revision: 0fb5d634a007f3d0424f95569ac3f83d500d054c
Dzmitry Malyshau
Martin Robinson
Glenn Watson
Pyfisch
Morris Tseng
Emilio Cobos Álvarez
Nazım Can Altınova
Florian Merz
Ms2ger
Alan Jeffrey
Patrick Walton
UK992
Emilio Cobos Álvarez
Anthony Ramine
David Tolnay
Eduard Burtescu
Simon Sapin
