Add source module to UWP logging output
Updated support/hololens/Servo.cpp to use url: google.com
New debug output:
```
RUST: DEBUG - html5ever::tokenizer - got characters None
RUST: DEBUG - script::script_thread - Processing event FromConstellation(ConstellationControlMsg::NavigationResponse).
RUST: DEBUG - html5ever::tokenizer - processing in state RawData(ScriptData)
```
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Upgrade WebRender
This is against an old Servo because I can't build current Servo due to compile errors in RNG crates. I verified that it starts up.
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Media player rendering with GL textures
These patches pass the application's OpenGL raw context and the its native display address to the media player, in order to create an internal wrapped context, thus it will generate video frames as textures.
For now only EGL from glutin-based app and android are in place, though tested only in Linux glutin app.
This PR also renders the generated frame textures by Servo/Media and renders them by using a thread that connects Webrenderer's ExternalImageHandler and each instantiated player. **By now, these patches, disable the WebGL rendering**. We need to provide a ExternalImageHandler demuxer.
This PR depends on https://github.com/servo/media/pull/270
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- This PR fixes#22300 and fixes#22920
In order to test it you must launch servo as
`./mach run -- --pref media.glvideo.enabled [...]`
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This module adds a structure (WindowGLContext) which holds the
OpenGL parameters that are going to be used by servo-media player
to render video frames using OpenGL.
In order to fill this structure, three new methods were added to
WindowMethods trait. In this patch only the Glutin-based
implementation provides a simple boilerplate.
The WindowGLContext is created in the entry point of libservo, when
the application window is created, and later passed to the
constellation, the pipeline and to the window element in dom, thus
htmlmediaelement has a mean to obtain these parameters via its
window.
Add UWP port - bis
This is #23658 with some fixes:
- removed nspr from DLL dependencies (was breaking VS build)
- exclude symbols from header file (was breaking VS build)
- rebased
Before merging:
- please check the rebased commit that introduces the `--uwp` option (things moved around since 7c85dc09b5)
- should we wait until the WR fix lands upstream?
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Clipboard refactoring
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This PR removes clipboard handling from the constellation. Instead, now embedder handles it.
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Don't process events while borrowing the event loop
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At the moment, the glutin embedder holds onto a borrow of the events loop while processing events, which is dangerous if any of the event handlers end up using the events loop reentrantly. (This caused a panic while integrating https://github.com/servo/rust-webvr/pull/84.)
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