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Compute view matrix from viewer pose
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d1d8e97c30
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5 changed files with 51 additions and 17 deletions
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@ -5,13 +5,11 @@
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use crate::dom::bindings::codegen::Bindings::XRFrameBinding;
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use crate::dom::bindings::codegen::Bindings::XRFrameBinding::XRFrameMethods;
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use crate::dom::bindings::codegen::Bindings::XRViewBinding::XREye;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
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use crate::dom::bindings::root::{Dom, DomRoot};
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use crate::dom::globalscope::GlobalScope;
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use crate::dom::xrreferencespace::XRReferenceSpace;
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use crate::dom::xrsession::XRSession;
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use crate::dom::xrstationaryreferencespace::XRStationaryReferenceSpace;
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use crate::dom::xrview::XRView;
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use crate::dom::xrviewerpose::XRViewerPose;
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use dom_struct::dom_struct;
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@ -55,16 +53,21 @@ impl XRFrameMethods for XRFrame {
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/// https://immersive-web.github.io/webxr/#dom-xrframe-getviewerpose
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fn GetViewerPose(&self, reference: &XRReferenceSpace) -> Option<DomRoot<XRViewerPose>> {
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if let Some(_) = reference.downcast::<XRStationaryReferenceSpace>() {
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// For 3DOF devices all three kinds of reference spaces are identical
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// FIXME(#23070, Manishearth) support originOffset
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let left = XRView::new(&self.global(), &self.session, XREye::Left, &self.data);
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let right = XRView::new(&self.global(), &self.session, XREye::Right, &self.data);
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Some(XRViewerPose::new(&self.global(), &left, &right))
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} else {
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// FIXME(#23070, Manishearth) support identity reference spaces
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// depends on https://github.com/immersive-web/webxr/issues/565
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None
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}
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let pose = reference.get_viewer_pose(&self.data);
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let left = XRView::new(
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&self.global(),
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&self.session,
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XREye::Left,
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&pose,
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&self.data,
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);
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let right = XRView::new(
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&self.global(),
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&self.session,
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XREye::Right,
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&pose,
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&self.data,
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);
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Some(XRViewerPose::new(&self.global(), &left, &right))
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}
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}
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