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Make viewerSpace [SameObject]

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This commit is contained in:
Manish Goregaokar 2019-04-29 20:59:52 -07:00
parent d4a6a4987d
commit 0756923e52
2 changed files with 5 additions and 2 deletions
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2
components/script/dom/webidls/XRSession.webidl
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@ -20,7 +20,7 @@ interface XRSession : EventTarget {
readonly attribute XREnvironmentBlendMode environmentBlendMode;
readonly attribute XRRenderState renderState;
readonly attribute XRSpace viewerSpace;
[SameObject] readonly attribute XRSpace viewerSpace;
// // Methods
Promise<XRReferenceSpace> requestReferenceSpace(XRReferenceSpaceOptions options);

5
components/script/dom/xrsession.rs
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@ -34,6 +34,7 @@ pub struct XRSession {
display: Dom<VRDisplay>,
base_layer: MutNullableDom<XRLayer>,
blend_mode: XREnvironmentBlendMode,
viewer_space: MutNullableDom<XRSpace>,
}
impl XRSession {
@ -44,6 +45,7 @@ impl XRSession {
base_layer: Default::default(),
// we don't yet support any AR devices
blend_mode: XREnvironmentBlendMode::Opaque,
viewer_space: Default::default(),
}
}
@ -87,7 +89,8 @@ impl XRSessionMethods for XRSession {
// https://immersive-web.github.io/webxr/#dom-xrsession-viewerspace
fn ViewerSpace(&self) -> DomRoot<XRSpace> {
XRSpace::new_viewerspace(&self.global(), &self)
self.viewer_space
.or_init(|| XRSpace::new_viewerspace(&self.global(), &self))
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-requestanimationframe