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Auto merge of #25144 - Manishearth:inline, r=asajeffrey

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Support inline sessions (with spatial tracking!)

This assumes that your WebXR backend can tolerate being spawned multiple times in inline mode. Currently there is only one backend that allows inline mode (headless), and it works there. This can be improved with https://github.com/servo/webxr/issues/30 .

Todo:

 - [ ] Add a default inline device to webxr so that there is always a tracking-free inline session available (followup: https://github.com/servo/webxr/issues/101)
 - [x] WPT update
 - [ ] Make inline with spatial tracking a feature request (followup: https://github.com/servo/servo/issues/24270)

fixes https://github.com/servo/servo/issues/24186

Depends on https://github.com/servo/webxr/pull/100
This commit is contained in:
bors-servo 2019-12-11 21:04:47 -05:00 • committed by GitHub
commit 073194a618
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25 changed files with 210 additions and 146 deletions
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18
components/script/dom/bindings/trace.rs
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@ -61,7 +61,7 @@ use cssparser::RGBA;
use devtools_traits::{CSSError, TimelineMarkerType, WorkerId};
use embedder_traits::{EventLoopWaker, MediaMetadata};
use encoding_rs::{Decoder, Encoding};
use euclid::default::{Point2D, Rect, Rotation3D, Transform2D, Transform3D};
use euclid::default::{Point2D, Rect, Rotation3D, Transform2D};
use euclid::Length as EuclidLength;
use html5ever::buffer_queue::BufferQueue;
use html5ever::{LocalName, Namespace, Prefix, QualName};
@ -534,7 +534,7 @@ unsafe_no_jsmanaged_fields!(Mutex<MediaFrameRenderer>);
unsafe_no_jsmanaged_fields!(ResourceFetchTiming);
unsafe_no_jsmanaged_fields!(Timespec);
unsafe_no_jsmanaged_fields!(HTMLMediaElementFetchContext);
unsafe_no_jsmanaged_fields!(Rotation3D<f64>, Transform2D<f32>, Transform3D<f64>);
unsafe_no_jsmanaged_fields!(Rotation3D<f64>, Transform2D<f32>);
unsafe_no_jsmanaged_fields!(Point2D<f32>, Rect<Au>);
unsafe_no_jsmanaged_fields!(Rect<f32>);
unsafe_no_jsmanaged_fields!(CascadeData);
@ -665,6 +665,20 @@ unsafe impl<T, U> JSTraceable for euclid::RigidTransform3D<f64, T, U> {
}
}
unsafe impl<T, U> JSTraceable for euclid::Transform3D<f32, T, U> {
#[inline]
unsafe fn trace(&self, _trc: *mut JSTracer) {
// Do nothing
}
}
unsafe impl<T, U> JSTraceable for euclid::Transform3D<f64, T, U> {
#[inline]
unsafe fn trace(&self, _trc: *mut JSTracer) {
// Do nothing
}
}
unsafe impl<T> JSTraceable for EuclidLength<u64, T> {
#[inline]
unsafe fn trace(&self, _trc: *mut JSTracer) {