Update WR (font instance API).
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.
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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.
layout: Stop call normal block size assignment for flex container
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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Use cssparser's new_with_line_number_offset
cssparser provides a way to set the initial line number on a
ParserInput. This patch changes servo to use this facility, rather than
reimplement the same functionality itself.
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- [x] These changes do not require tests because pre-existing tests cover this change.
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cssparser provides a way to set the initial line number on a
ParserInput. This patch changes servo to use this facility, rather than
reimplement the same functionality itself.
Buffer perf notifications in paint timing test
Paint timing notifications may be fired before the observer starts observing, so we need to buffer these notifications.
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- [X] These changes fix#18219
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style: Don't look for viewport units in stylesheets.
Use whether we've computed any viewport unit instead.
This is more accurate (we avoid restyling unnecessarily if we've found anything
ever on the stylesheet, but that hasn't matched).
This has the benefit of also matching Gecko, and simplify some code and
fishyness around, and also hopefully speeding up stylesheet parsing.
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Use whether we've computed any viewport unit instead.
This is more accurate (we avoid restyling unnecessarily if we've found anything
ever on the stylesheet, but that hasn't matched).
This has the benefit of also matching Gecko, and simplify some code and
fishyness around, and also hopefully speeding up stylesheet parsing.
The tests are designed for this, and trying to accommodate 32-bit
platforms is difficult. Size concerns due to element packing and holes
are less of a problem on 32-bit platforms in any event.
Devirtualize CSS error reporting.
This removes a trait object from the path of reporting a CSS error.
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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.
Add paint metrics to Performance Timeline API
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- [X] These changes fix#18111
- [X] There are tests for these changes
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Implement WebGL OES_standard_derivatives extension.
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Implement WebGL OES_standard_derivatives extension. Some Three.js 3D models fail to render because of the lack of this extension.
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Wait for actual paint before setting paint related metrics
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End TreeBuilder's reliance on DOM.
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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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Annotate insertAdjacentHTML with CEReactions
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Only run DOMTokenList update steps if token was found
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Improve containing block creation for position:absolute flows
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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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.
