Replace use of gleam in webgl with sparkle.
Rely on https://github.com/servo/sparkle for the GL bindings required to implement Servo's WebGL stack. This does not touch the GL usage in the compositor or webrender, which continue to rely on https://github.com/servo/gleam. This means that any breaking changes to the public GL bindings interface (such as required by https://github.com/servo/servo/pull/24111) only require updating rust-offscreen-rendering-context and rust-webvr, rather than many other crates that are out of our direct control.
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Prefetch img, scripts and stylesheets during parsing
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Eagerly tokenize html input, and scan for `script` and `img` tags which can be prefetched into the cache. This allows resources to be loaded concurrently, which would otherwise be loaded sequentially due to being blocked by script execution. On the cloth webgl demo, this takes the time-to-paint down from 732ms to 560ms.
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This patch parametrizes WR to handle OES textures if the incoming
frame wraps one.
It requires the update of servo-media package and the according
WR parametrization.
Show warning when module scripts are ignored
The first five commits are `cherry-pick`-ed from the module script PR.
I think it might be also good to have this PR first so that reviewers can focus on module script things on that PR!
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Event src element
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This builds on top of the work done in https://github.com/servo/servo/pull/22918
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Codegen: throw type error when encountering an unknown argument
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FIX#24130
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Performance: limit buffer size, clear on pipeline exit
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Part of https://github.com/servo/servo/issues/24074
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Create depth and stencil attachments for XRWebGLLayer
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Creates depth and stencil attachments for an XRWebGLLayer if requested.
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Implement ElementClick wd command
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Add [Default] toJSON() to performance interfaces
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Enable `[Default] toJSON()` lines that were previously commented out.
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Ensure documents drop when a pipeline exits
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minimalist companion/alternative to https://github.com/servo/servo/pull/24047
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Implement pointerMove webdriver action
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Implement missing functionality of AudioBufferSourceNode
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This is a tiny PR to support [Media #293](https://github.com/servo/media/pull/293). Last time I ran WPT there was only one failing AudioBufferSourceNode test (which I will debug later this week). Once I rebased, however, I started getting unrelated servo-media build failures:
```
error[E0599]: no method named `shutdown_audio_context` found for type `std::sync::Arc<servo_media::ServoMedia>` in the current scope
--> components/script/dom/baseaudiocontext.rs:566:14
error[E0599]: no method named `shutdown_player` found for type `std::sync::Arc<servo_media::ServoMedia>` in the current scope
--> components/script/dom/htmlmediaelement.rs:1866:18
```
I wanted to get this PR up so https://github.com/servo/media/pull/293 can be tested. When the unrelated build failures are fixed, I will run `./mach update-wpt` and update this PR.
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Finish the JSON clone algorithm for WebDriver
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Support default toJSON in WebIDL
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Ported related lines from gecko.
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