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https://github.com/servo/servo.git
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80 lines
2.7 KiB
Rust
80 lines
2.7 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use crate::dom::bindings::codegen::Bindings::XRViewBinding::XREye;
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use crate::dom::bindings::codegen::Bindings::XRViewerPoseBinding::XRViewerPoseMethods;
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use crate::dom::bindings::reflector::reflect_dom_object;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::globalscope::GlobalScope;
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use crate::dom::xrpose::XRPose;
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use crate::dom::xrrigidtransform::XRRigidTransform;
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use crate::dom::xrsession::{cast_transform, ApiViewerPose, XRSession};
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use crate::dom::xrview::XRView;
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use crate::realms::enter_realm;
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use crate::script_runtime::JSContext;
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use dom_struct::dom_struct;
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use js::conversions::ToJSValConvertible;
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use js::jsapi::Heap;
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use js::jsval::{JSVal, UndefinedValue};
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use webxr_api::Views;
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#[dom_struct]
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pub struct XRViewerPose {
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pose: XRPose,
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#[ignore_malloc_size_of = "mozjs"]
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views: Heap<JSVal>,
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}
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impl XRViewerPose {
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fn new_inherited(transform: &XRRigidTransform) -> XRViewerPose {
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XRViewerPose {
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pose: XRPose::new_inherited(transform),
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views: Heap::default(),
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}
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}
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#[allow(unsafe_code)]
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pub fn new(
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global: &GlobalScope,
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session: &XRSession,
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pose: ApiViewerPose,
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) -> DomRoot<XRViewerPose> {
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let _ac = enter_realm(&*global);
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rooted_vec!(let mut views);
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session.with_session(|s| match s.views() {
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Views::Inline => views.push(XRView::new(
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global,
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session,
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&session.inline_view(),
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XREye::None,
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&pose,
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)),
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Views::Mono(view) => {
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views.push(XRView::new(global, session, &view, XREye::None, &pose))
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},
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Views::Stereo(left, right) => {
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views.push(XRView::new(global, session, &left, XREye::Left, &pose));
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views.push(XRView::new(global, session, &right, XREye::Right, &pose));
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},
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});
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let transform = XRRigidTransform::new(global, cast_transform(pose));
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let pose = reflect_dom_object(Box::new(XRViewerPose::new_inherited(&transform)), global);
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let cx = global.get_cx();
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unsafe {
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rooted!(in(*cx) let mut jsval = UndefinedValue());
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views.to_jsval(*cx, jsval.handle_mut());
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pose.views.set(jsval.get());
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}
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pose
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}
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}
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impl XRViewerPoseMethods for XRViewerPose {
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/// https://immersive-web.github.io/webxr/#dom-xrviewerpose-views
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fn Views(&self, _cx: JSContext) -> JSVal {
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self.views.get()
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}
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}
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