mirror of
https://github.com/servo/servo.git
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9514f670d1
* Add `no_trace` option to JSTraceable derive * NoTrace wrapper * Port some types to no_trace schematics * Fixing my unsafe mistakes (not tracing traceables) * Add docs & safety guards for no_trace Safety guards (trait shenanigans) guarantees safety usage of `no_trace` * Port canvas_traits to no_trace * Port servo_media to no_trace * Port net_traits to no_trace * Port style to no_trace * Port webgpu to no_trace * Port script_traits to no_trace * Port canvas_traits, devtools_traits, embedder_traits, profile_traits to no_trace * unrooted_must_root lint in seperate file * Add trace_in_no_trace_lint as script_plugin * Composable types in must_not_have_traceable * Introduced HashMapTracedValues wrapper * `HashMap<NoTrace<K>,V>`->`HashMapTracedValues<K,V>` * Port rest of servo's types to no_trace * Port html5ever, euclid, mime and http to no_trace * Port remaining externals to no_trace * Port webxr and Arc<Mutex<_>> * Fix spelling in notrace doc
105 lines
3.1 KiB
Rust
105 lines
3.1 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, XRViewMethods};
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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::bindings::utils::create_typed_array;
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use crate::dom::globalscope::GlobalScope;
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use crate::dom::xrrigidtransform::XRRigidTransform;
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use crate::dom::xrsession::{cast_transform, BaseSpace, BaseTransform, XRSession};
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use crate::script_runtime::JSContext;
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use dom_struct::dom_struct;
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use euclid::RigidTransform3D;
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use js::jsapi::{Heap, JSObject};
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use std::ptr::NonNull;
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use webxr_api::{ApiSpace, View};
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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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viewport_index: usize,
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#[ignore_malloc_size_of = "mozjs"]
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proj: Heap<*mut JSObject>,
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#[ignore_malloc_size_of = "defined in rust-webxr"]
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#[no_trace]
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view: View<ApiSpace>,
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transform: Dom<XRRigidTransform>,
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}
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impl XRView {
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fn new_inherited(
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session: &XRSession,
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transform: &XRRigidTransform,
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eye: XREye,
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viewport_index: usize,
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view: View<ApiSpace>,
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) -> 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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viewport_index,
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proj: Heap::default(),
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view,
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transform: Dom::from_ref(transform),
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}
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}
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pub fn new<V: Copy>(
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global: &GlobalScope,
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session: &XRSession,
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view: &View<V>,
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eye: XREye,
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viewport_index: usize,
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to_base: &BaseTransform,
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) -> DomRoot<XRView> {
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let transform: RigidTransform3D<f32, V, BaseSpace> = view.transform.then(&to_base);
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let transform = XRRigidTransform::new(global, cast_transform(transform));
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reflect_dom_object(
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Box::new(XRView::new_inherited(
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session,
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&transform,
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eye,
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viewport_index,
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view.cast_unit(),
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)),
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global,
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)
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}
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pub fn session(&self) -> &XRSession {
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&self.session
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}
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pub fn viewport_index(&self) -> usize {
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self.viewport_index
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}
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}
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impl XRViewMethods for XRView {
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/// https://immersive-web.github.io/webxr/#dom-xrview-eye
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fn Eye(&self) -> XREye {
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self.eye
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}
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/// https://immersive-web.github.io/webxr/#dom-xrview-projectionmatrix
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fn ProjectionMatrix(&self, _cx: JSContext) -> NonNull<JSObject> {
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if self.proj.get().is_null() {
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let cx = GlobalScope::get_cx();
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// row_major since euclid uses row vectors
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let proj = self.view.projection.to_array();
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create_typed_array(cx, &proj, &self.proj);
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}
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NonNull::new(self.proj.get()).unwrap()
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}
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/// https://immersive-web.github.io/webxr/#dom-xrview-transform
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fn Transform(&self) -> DomRoot<XRRigidTransform> {
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DomRoot::from_ref(&self.transform)
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}
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}
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