This is most of #20224 but without the actual counter() fix since it's waiting on a WPT update.
Source-Repo: https://github.com/servo/servo
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Sub-PR of #19015
r? emilio
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See #19128, this part is cherry-picked so Gecko can build with rust nightly.
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See #18809
Still haven't had time to test it but it should fix the tests failures that appeared in m-c
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It still needs dependencies update to remove all the other bitflags
versions.
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Servo currently uses `heapsize`, but Stylo/Gecko use `malloc_size_of`.
`malloc_size_of` is better -- it handles various cases that `heapsize` does not
-- so this patch changes Servo to use `malloc_size_of`.
This patch makes the following changes to the `malloc_size_of` crate.
- Adds `MallocSizeOf` trait implementations for numerous types, some built-in
(e.g. `VecDeque`), some external and Servo-only (e.g. `string_cache`).
- Makes `enclosing_size_of_op` optional, because vanilla jemalloc doesn't
support that operation.
- For `HashSet`/`HashMap`, falls back to a computed estimate when
`enclosing_size_of_op` isn't available.
- Adds an extern "C" `malloc_size_of` function that does the actual heap
measurement; this is based on the same functions from the `heapsize` crate.
This patch makes the following changes elsewhere.
- Converts all the uses of `heapsize` to instead use `malloc_size_of`.
- Disables the "heapsize"/"heap_size" feature for the external crates that
provide it.
- Removes the `HeapSizeOf` implementation from `hashglobe`.
- Adds `ignore` annotations to a few `Rc`/`Arc`, because `malloc_size_of`
doesn't derive those types, unlike `heapsize`.
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This trades quite a bit of complicated code in Servo for few more
messages and a significant performance improvement. In particular,
WebRender can search the entire display list at once instead of
ping-ponging down the pipeline tree. This allows us to send mouse
events to the correct pipeline immediately.
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Fixes warnings from rust-lang/rust#44229 when `--enable-commonmark` is passed to rustdoc.
This is mostly a global find-and-replace for bare URIs on lines by themselves in doc comments.
---
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… rather than the start location of the current construct. This likely places the error just *after* of the unexpected token whereas before would be best, but that’s likely a much bigger change.
See https://bugzilla.mozilla.org/show_bug.cgi?id=1378861
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This should help a bunch with https://bugzilla.mozilla.org/show_bug.cgi?id=1405411
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No longer needed since a while ago.
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In addition to the sourceMappingURL comment, there is a second special
comment, "sourceURL", that can be used to set the "display name" of a
style sheet for developer tools. This name is also used as the base
URL for the source-map URL resolution algorithm. sourceURL is
described here:
https://blog.getfirebug.com/2009/08/11/give-your-eval-a-name-with-sourceurl/
The devtools feature bug is here:
https://bugzilla.mozilla.org/show_bug.cgi?id=880831
This patch changes servo to preserve and expose this value for use in M-C.
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This patch replaces the handwritten MallocSizeOf implementation for
PropertyDeclaration with a derived one, which gives much more thorough
measurement.
This requires (a) deriving MallocSizeOf for a *lot* of additional types (most
of which already have `derive(HeapSizeOf)` in Servo builds), and (b)
implementing MallocSizeOf for a few more types in the `malloc_size_of` crate.
These changes would significantly improve the reporting coverage for gmail if
it weren't for the fact that SpecifiedUrl isn't measured due to a lack of
clarity about its fields; that can be fixed as a follow-up once bug 1397971 has
landed.
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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.
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Now that rust-cssparser reports 1-based locations, bump the required
cssparser version and remove get_location_with_offset. Previously,
some code paths were not calling get_location_with_offset; see
https://bugzilla.mozilla.org/show_bug.cgi?id=1398869 for some
background.
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This reduces memory consumption of list-valued properties in the common case of one entry in the list.
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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix [bug 1384225](https://bugzilla.mozilla.org/show_bug.cgi?id=1384225)
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Reviewed by xidorn in https://bugzilla.mozilla.org/show_bug.cgi?id=1386900.
---
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- [X] There are tests for these changes
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`format!` and `write!` create a somewhat-heavyweight `Formatting` struct and use dynamic dispatch to call into impls of `Dispaly` and related traits. The former also allocates an intermediate string that is sometimes unnecessary.
I started looking into this from https://bugzilla.mozilla.org/show_bug.cgi?id=1355599, but I expect the impact there will be small to insignificant. It might be a slightly less so on parsing (error reporting).
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This is the Servo side change necessary for servo/rust-cssparser#180.
----
This also pulls in other changes from cssparser 0.20.0.
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It's not needed since #18268, let's kill it.
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**Do not merge yet.** This pulls in unrelated cssparser changes which add a dependency to `dota`, and we’d like to resolve https://github.com/dtolnay/dtoa/pull/9 before landing dtoa in mozilla-central. Also, the dependency change may require manually revendoring in mozilla-central.
Gecko’s CSS parsing microbenchmarks before:
```
43.437 ± 0.391 ms Stylo.Servo_StyleSheet_FromUTF8Bytes_Bench
29.244 ± 0.042 ms Stylo.Gecko_nsCSSParser_ParseSheet_Bench
281.884 ± 0.028 ms Stylo.Servo_DeclarationBlock_SetPropertyById_Bench
426.242 ± 0.008 ms Stylo.Servo_DeclarationBlock_SetPropertyById_WithInitialSpace_Bench
```
After:
```
29.779 ± 0.254 ms Stylo.Servo_StyleSheet_FromUTF8Bytes_Bench
28.841 ± 0.031 ms Stylo.Gecko_nsCSSParser_ParseSheet_Bench
296.240 ± 4.744 ms Stylo.Servo_DeclarationBlock_SetPropertyById_Bench
293.855 ± 4.304 ms Stylo.Servo_DeclarationBlock_SetPropertyById_WithInitialSpace_Bench
```
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Automatically verify that derive() lists are alphabetically ordered #18172
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https://github.com/servo/rust-cssparser/pull/177
Also simplify the `ParseErrorReporter` trait a bit.
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Reviewed by heycam in https://bugzilla.mozilla.org/show_bug.cgi?id=1381143.
---
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This PR speculatively calls paint worklets during style, which increases the concurrency, since it increases the chance that the cache will have the right result in it when it comes to layout. The speculation is wasted effort if the size of the element has changed, but this is often not the case.
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Combines #17892 with the patch to detach style_traits from webrender_api
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The PR updates WR version to support multiple documents (https://github.com/servo/webrender/pull/1509) but doesn't take advantage of this new feature yet.
It also makes Servo to use `DevicePixel` from WR instead of rolling out another one.
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Do not merge yet, depends on https://github.com/servo/rust-cssparser/pull/171.
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This PR renders paint worklet canvases at the device pixel resolution, rather than the CSS pixel resolution.
It's a dependent PR, building on #17239, #17326 and #17364.
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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix#17454
- [X] These changes do not require tests because we don't run reftests with zoom enabled
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Source-Repo: https://github.com/servo/servo
Source-Revision: 9fcbeb3ca2ea0d11d4787c649e82918f7672694d
--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 3ee9ba9b149697292aef4b26de022b90ab6f781e
This should be a straightforward performance improvement in pages with lots of CSS property values that the parser does not understand.
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- [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 there's no functional difference.
Source-Repo: https://github.com/servo/servo
Source-Revision: b70cbeb84caf5ec4a90a900fc5d4082989044acd
--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 18e9fcafa9b8e8137b3991331effc2a629ff3e88
This matches the behaviour of Gecko's CSS parser.
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix#17736
- [X] There are tests for these changes
Source-Repo: https://github.com/servo/servo
Source-Revision: 38f4ae80c4b456b89ee33543c8c6699501696c9c
--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 1a1909fa1db0e97b0997462f48b23827f84394f0
Reviewed by @emilio in https://bugzilla.mozilla.org/show_bug.cgi?id=1352669.
---
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] There are tests for these changes
Source-Repo: https://github.com/servo/servo
Source-Revision: 2ddbc92d90ec8df9e5bf4630cd3e93759da81649
--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 87c38834194b9cb1d5fdfa4303c0754f866b6613
