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Improve getViewerPose()

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This commit is contained in:
Manish Goregaokar 2019-03-18 16:24:30 -07:00
parent a2c4270f55
commit 22e5ce5ff3
3 changed files with 14 additions and 9 deletions
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18
components/script/dom/xrframe.rs
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@ -5,11 +5,13 @@
use crate::dom::bindings::codegen::Bindings::XRFrameBinding;
use crate::dom::bindings::codegen::Bindings::XRFrameBinding::XRFrameMethods;
use crate::dom::bindings::codegen::Bindings::XRViewBinding::XREye;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::globalscope::GlobalScope;
use crate::dom::xrreferencespace::XRReferenceSpace;
use crate::dom::xrsession::XRSession;
use crate::dom::xrstationaryreferencespace::XRStationaryReferenceSpace;
use crate::dom::xrview::XRView;
use crate::dom::xrviewerpose::XRViewerPose;
use dom_struct::dom_struct;
@ -52,17 +54,17 @@ impl XRFrameMethods for XRFrame {
}
/// https://immersive-web.github.io/webxr/#dom-xrframe-getviewerpose
fn GetViewerPose(&self, reference: Option<&XRReferenceSpace>) -> Option<DomRoot<XRViewerPose>> {
// We assume the reference space is eye level for now
// since it's the only one 3DOF devices support
if reference.is_some() {
// it's not possible to obtain a reference
// space at all yet
None
} else {
fn GetViewerPose(&self, reference: &XRReferenceSpace) -> Option<DomRoot<XRViewerPose>> {
if let Some(_) = reference.downcast::<XRStationaryReferenceSpace>() {
// For 3DOF devices all three kinds of reference spaces are identical
// FIXME(#23070, Manishearth) support originOffset
let left = XRView::new(&self.global(), &self.session, XREye::Left, &self.data);
let right = XRView::new(&self.global(), &self.session, XREye::Right, &self.data);
Some(XRViewerPose::new(&self.global(), &left, &right))
} else {
// FIXME(#23070, Manishearth) support identity reference spaces
// depends on https://github.com/immersive-web/webxr/issues/565
None
}
}
}