Implement WebGL GetRenderbufferParameter
This needed a bump of gleam to version 0.4.33 for this https://github.com/servo/gleam/pull/162
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I think my changes in test expectations are pretty naive and I have to wait for the PR to run on CI to see what the actual impact is. I'd like some guidance on this, too.
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Moved Canvas rendering to a single thread.
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Implements the "Subsequent Steps" part of the [NCSU Canvas rendering project.](https://github.com/servo/servo/wiki/Canvas-rendering-project)
I moved most of the functionality from CanvasPaintThread to CanvasData, so CanvasPaintThread essentially just pulls the info out of the message and calls a method on a particular CanvasData element.
I ran into some awkwardness with the fact that one can only take a single mutable reference from a hashmap, though. DrawImageInOther is not really possible to do with only one reference at a time, so it awkwardly still lives in CanvasPaintThread, basically. I also would've preferred to take the reference at the top as soon as I get the CanvasId, since that looks cleaner than having them all start with "canvas_paint_thread.canvases.get_mut[&canvas_id].unwrap()" but that makes trying to take the second reference for DrawImageInOther fail to compile. I'm definitely open to suggestions on how to make that less gross.
The timed single-canvas drawing improved in performance from around ~2.2ms to around ~1.7ms. Slither.io runs better and doesn't crash, but I'm not having it crash on my copy from before these changes, so I don't know if that's new behavior or not.
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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
Remove insaccessible history states
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Make gleam optional for compositor, switch various names from glutin to winit
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The PR goes an extra step towards discriminating GL to a level of an optional dependency. This would ease up the transition to gfx-hal when the time calls for it, and upstreams some of the patches we've been using locally, cleans up some of the old cruft along the way.
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refactor(bluetooth): removes direct ui invocation from bluetooth thread
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Relates to #20429.
This PR is mostly blocked by https://github.com/servo/servo/pull/20480, cause both are nearly identical change in crux and based on review of prior changes this PR need to be updated. Just didn't want assigned issue hanging without visible progresses, so prepped PR to followup further.
(mostly copy-paste from pair PR)
Probably point of review / need to be updated are
1. Communication between components
Currently it's wired as like below:
```
+----------------+ +---------------+ +---------+
| | constellationMsg | | embedderMsg | |
| bluetooth_thread +----------------->+ constellation +------------->+ browser |
| | | | | |
+-----+----------+ +---------------+ +----+----+
^ |
+-------------------------------------------------------------------+
device: String
```
- is this feasible approach?
- does organization of message / fn (where to put consteallation / embedder msg & fns) are legit?
2. 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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Update to smallbitvec 2.1
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Implement gl.getParameter(gl.ALIASED_LINE_WIDTH_RANGE)
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Implement gl.getParameter(gl.ALIASED_LINE_WIDTH_RANGE)
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This also adopts the resolution of [1] while at it, and switches XUL to not
support display: contents until a use case appears.
This makes our behavior consistent both with the spec and also in terms of
handling dynamic changes to stuff that would otherwise get suppressed.
Also makes us consistent with both Blink and WebKit in terms of computed style.
We were the only ones respecting "behaves as display: none" without actually
computing to display: none. Will file a spec issue to get that changed.
It also makes us match Blink and WebKit in terms of respecting display: contents
before other suppressions, see the reftest which I didn't write as a WPT
(because there's no spec supporting neither that or the opposite of what we do),
where a <g> element respects display: contents even though if it had any other
kind of display value we'd suppress the frame for it and all the descendants
since it's an SVG element in a non-SVG subtree.
Also, this removes the page-break bit from the display: contents loop, which I
think is harmless.
As long as the tests under style are based in namespace id / node name /
traversal parent, this should not make style sharing go wrong in any way, since
that's the first style sharing check we do at [2].
The general idea under this change is making all nodes with computed style of
display: contents actually honor it. Otherwise there's no way of making the
setup sound except re-introducing something similar to all the state tracking
removed in bug 1303605.
[1]: https://github.com/w3c/csswg-drafts/issues/2167
[2]: https://searchfox.org/mozilla-central/rev/fca4426325624fecbd493c31389721513fc49fef/servo/components/style/sharing/mod.rs#700
Bug: 1453702
Reviewed-by: mats, xidorn
MozReview-Commit-ID: JoCKnGYEleD
This is necessary because we can't create GeckoStyleSheets off-main-thread,
so we need a placeholder until it can be filled in.
Bug: 1454030
Reviewed-by: emilio
MozReview-Commit-ID: ssRme4fLYg
Implement History State
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This just handles history states in the session history. URL handling and hashchange events still nee to be implemented.
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