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Compute view matrix from viewer pose

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This commit is contained in:
Manish Goregaokar 2019-03-21 16:29:22 -07:00
parent d1d8e97c30
commit 2e48606569
5 changed files with 51 additions and 17 deletions
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29
components/script/dom/xrframe.rs
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@ -5,13 +5,11 @@
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;
@ -55,16 +53,21 @@ impl XRFrameMethods for XRFrame {
/// https://immersive-web.github.io/webxr/#dom-xrframe-getviewerpose
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
}
let pose = reference.get_viewer_pose(&self.data);
let left = XRView::new(
&self.global(),
&self.session,
XREye::Left,
&pose,
&self.data,
);
let right = XRView::new(
&self.global(),
&self.session,
XREye::Right,
&pose,
&self.data,
);
Some(XRViewerPose::new(&self.global(), &left, &right))
}
}