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Fill in XR frame/pose/view implementations
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parent
7e043a33f1
commit
28dff81dbf
12 changed files with 152 additions and 38 deletions
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@ -7,14 +7,20 @@ use crate::dom::bindings::codegen::Bindings::XRViewBinding::{XREye, XRViewMethod
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use crate::dom::bindings::reflector::{reflect_dom_object, 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::vrframedata::create_typed_array;
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use crate::dom::xrsession::XRSession;
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use dom_struct::dom_struct;
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use js::jsapi::{Heap, JSContext, JSObject};
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use std::ptr::NonNull;
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use webvr_traits::WebVRFrameData;
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#[dom_struct]
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pub struct XRView {
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reflector_: Reflector,
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session: Dom<XRSession>,
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eye: XREye,
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proj: Heap<*mut JSObject>,
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view: Heap<*mut JSObject>,
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}
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impl XRView {
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@ -22,16 +28,34 @@ impl XRView {
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XRView {
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reflector_: Reflector::new(),
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session: Dom::from_ref(session),
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eye
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eye,
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proj: Heap::default(),
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view: Heap::default(),
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}
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}
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pub fn new(global: &GlobalScope, session: &XRSession, eye: XREye) -> DomRoot<XRView> {
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reflect_dom_object(
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pub fn new(
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global: &GlobalScope,
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session: &XRSession,
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eye: XREye,
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data: &WebVRFrameData,
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) -> DomRoot<XRView> {
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let ret = reflect_dom_object(
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Box::new(XRView::new_inherited(session, eye)),
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global,
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XRViewBinding::Wrap,
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)
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);
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let (proj, view) = if eye == XREye::Left {
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(&data.left_projection_matrix, &data.left_view_matrix)
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} else {
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(&data.right_projection_matrix, &data.right_view_matrix)
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};
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let cx = global.get_cx();
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create_typed_array(cx, proj, &ret.proj);
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create_typed_array(cx, view, &ret.view);
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ret
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}
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pub fn session(&self) -> &XRSession {
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@ -44,4 +68,16 @@ impl XRViewMethods for XRView {
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fn Eye(&self) -> XREye {
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self.eye
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}
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}
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#[allow(unsafe_code)]
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/// https://immersive-web.github.io/webxr/#dom-xrview-projectionmatrix
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unsafe fn ProjectionMatrix(&self, _cx: *mut JSContext) -> NonNull<JSObject> {
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NonNull::new_unchecked(self.proj.get())
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}
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#[allow(unsafe_code)]
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/// https://immersive-web.github.io/webxr/#dom-xrview-projectionmatrix
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unsafe fn ViewMatrix(&self, _cx: *mut JSContext) -> NonNull<JSObject> {
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NonNull::new_unchecked(self.view.get())
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}
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}
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