Don't forward GL parameter gets for constant limits.
This avoids IPC traffic for unchanging constants that are determined when the GL context is created. These changes require https://github.com/emilio/rust-offscreen-rendering-context/pull/123.
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Embedder handling of prompts and alerts
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Allow embedder to allow alerts and prompts, but via constellation forwarding messages from script.
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Prior to this change, if none of the fonts specified in CSS contained a
glyph for a codepoint, we tried only one fallback font. If that font
didn't contain the glyph, we'd give up.
With this change, we try multiple fonts in turn. The font names we try
differ across each platform, and based on the codepoint we're trying to
match. The current implementation is heavily inspired by the analogous
code in Gecko, but I've used to ucd lib to make it more readable,
whereas Gecko matches raw unicode ranges.
This fixes some of the issues reported in #17267, although colour emoji
support is not implemented.
== Notes on changes to WPT metadata ==
=== css/css-text/i18n/css3-text-line-break-opclns-* ===
A bunch of these have started failing on macos when they previously
passed.
These tests check that the browser automatically inserts line breaks
near certain characters that are classified as "opening and closing
punctuation". The idea is that if we have e.g. an opening parenthesis,
it does not make sense for it to appear at the end of a line box; it
should "stick" to the next character and go into the next line box.
Before this change, a lot of these codepoints rendered as a missing
glyph on Mac and Linux. In some cases, that meant that the test was
passing.
After this change, a bunch of these codepoints are now rendering glyphs
on Mac (but not Linux). In some cases, the test should continue to pass
where it previously did when rendering with the missing glyph.
However, it seems this has also exposed a layout bug. The "ref" div in
these tests contains a <br> element, and it seems that this, combined
with these punctuation characters, makes the spacing between glyphs ever
so slightly different to the "test" div. (Speculation: might be
something to do with shaping?)
Therefore I've had to mark a bunch of these tests failing on mac.
=== css/css-text/i18n/css3-text-line-break-baspglwj-* ===
Some of these previously passed on Mac due to a missing glyph. Now that
we're rendering the correct glyph, they are failing.
=== css/css-text/word-break/word-break-normal-bo-000.html ===
The characters now render correctly on Mac, and the test is passing. But
we do not find a suitable fallback font on Linux, so it is still failing
on that platform.
=== css/css-text/word-break/word-break-break-all-007.html ===
This was previously passing on Mac, but only because missing character
glyphs were rendered. Now that a fallback font is able to be found, it
(correctly) fails.
=== mozilla/tests/css/font_fallback_* ===
These are new tests added in this commit. 01 and 02 are marked failing
on Linux because the builders don't have the appropriate fonts installed
(that will be a follow-up).
Fix build errors from rebase
FontTemplateDescriptor can no longer just derive(Hash). We need to
implement it on each component part, because the components now
generally wrap floats, which do not impl Hash because of NaN. However in
this case we know that we won't have a NaN, so it is safe to manually
impl Hash.
Automatically provide a resource reader for tests
Fix#20710
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refactor(net): removes direct ui invocation from filemgr thread
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- relates to https://github.com/servo/servo/issues/20428.
This PR tries to refactor `net::filemanager_thread` implementation, removes direct ui-related code invocation but ask constellation. I believe overall organization might need to be refactored still as I took my own liberty to wire up dots and dots between components, which could be non-recommended practices.
Probably point of review / need to be updated are
1. Communication between components
Currently it's wired as like below:
```
+----------------+ +---------------+ +---------+
| | constellationMsg | | embedderMsg | |
| filemgr_thread +------------------->+ constellation +------------->+ browser |
| | | | | |
+-----+----------+ +---------------+ +----+----+
^ |
+-------------------------------------------------------------------+
filelist: Vec(String)
```
- is this feasible approach?
- does organization of message / fn (where to put consteallation / embedder msg & fns) are legit?
2. Removal of `filemanger_thread::UIProvider`
- As filemanager_thread no longer need to aware actual ui, this PR removes `UIProvider` completely and let invoke tinyfiledialog directly in message listener. Maybe UIProvider itself still being needed?
3. Overall fn organization
- To reduce duplicated code it takes single msg with boolean flag to distinguish selecting multiple files, may feasible / or better to create explicit paths between two.
4. Invoking tfd in a separate thread
- This was mainly to align behavior to previous implentation, where tfd was invoked inside of filemanager_thread so does not block main. It may possibly just let block instead.
and of course, a lot of other codes need to follow better practices.
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- Manually verified file picker `<input type=files>` can pick up files.
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Move DL items from gfx to layout and implement corner clipping
Implement corner clipping.
Remove PixelFormat from WebrenderImageInfo.
Use WebRender text shadow.
Remove MallocSizeOf and Deserialize for DL items.
Closes#19649, closes#19680, closes#19802
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Implement corner clipping.
Remove PixelFormat from WebrenderImageInfo.
Use WebRender text shadow.
Remove MallocSizeOf and Deserialize for DL items.
Closes#19649, #19680, #19802
Update to smallbitvec 2.1
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This new implementation of the session history keeps track of
a single tree of browsing contexts and pipelines which represents
the active entry of the session history and it keeps track of
diffs between adjacent entries. This allows use to traverse across
the joint session history by applying diffs to the active tree.
Measure cache memory usage
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- [X] make the memory cache data structure derive MallocSizeOf
- [X] add a new IpcReceiver argument to ResourceChannelManager::start that is used for listening to messages from the memory profiler (it must correspond with this sender)
- [X] use run_with_memory_reporting in the network code to register a memory reporter for that thread
- [X] when a message from the memory profiler arrives, create a report that includes that size of the public and private http caches
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Made the memory cache data structure derive MallocSizeOf, along with
manual size_of() implementations in malloc_size_of.
Added a Measurable struct that acts as a container for fields size_of() can be called for.
Added a new IpcReceiver used for listening to messages from the memory profiler,
and used run_with_memory reporting to register a memory reporter in the thread.
Now when a message from the memory profiler arrives, report includes sizes of public and private http caches.
Updated test file.
Use higher level handles from JS bindings
…reak servo
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- [x] These changes fix https://github.com/servo/rust-mozjs/issues/153
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