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Filter out webidl files based on special comments, and feature-gate webxr interfaces. (#34348)
* Filter out webidl files based on skip-if directives. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Don't build XR functionality without webxr feature. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Fix tidy. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Adjust imports for file movement. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Fix clippy. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Formatting. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * Clean up webxr module import. Co-authored-by: Samson <16504129+sagudev@users.noreply.github.com> Signed-off-by: Josh Matthews <josh@joshmatthews.net> --------- Signed-off-by: Josh Matthews <josh@joshmatthews.net> Co-authored-by: Samson <16504129+sagudev@users.noreply.github.com>
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94 changed files with 206 additions and 53 deletions
137
components/script/dom/webxr/xrview.rs
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137
components/script/dom/webxr/xrview.rs
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/* 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 std::cell::Cell;
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use dom_struct::dom_struct;
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use euclid::RigidTransform3D;
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use js::typedarray::{Float32, Float32Array};
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use webxr_api::{ApiSpace, View};
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use crate::dom::bindings::buffer_source::HeapBufferSource;
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use crate::dom::bindings::codegen::Bindings::XRViewBinding::{XREye, XRViewMethods};
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use crate::dom::bindings::num::Finite;
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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::xrrigidtransform::XRRigidTransform;
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use crate::dom::xrsession::{cast_transform, BaseSpace, BaseTransform, XRSession};
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use crate::script_runtime::{CanGc, JSContext};
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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: HeapBufferSource<Float32>,
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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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requested_viewport_scale: Cell<f64>,
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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: HeapBufferSource::default(),
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view,
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transform: Dom::from_ref(transform),
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requested_viewport_scale: Cell::new(1.0),
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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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can_gc: CanGc,
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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), can_gc);
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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<crate::DomTypeHolder> 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) -> Float32Array {
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if !self.proj.is_initialized() {
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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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self.proj
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.set_data(cx, &proj)
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.expect("Failed to set projection matrix.")
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}
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self.proj
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.get_buffer()
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.expect("Failed to get projection matrix.")
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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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/// <https://www.w3.org/TR/webxr/#dom-xrview-recommendedviewportscale>
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fn GetRecommendedViewportScale(&self) -> Option<Finite<f64>> {
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// Just return 1.0 since we currently will always use full-sized viewports
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Finite::new(1.0)
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}
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/// <https://www.w3.org/TR/webxr/#dom-xrview-requestviewportscale>
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fn RequestViewportScale(&self, scale: Option<Finite<f64>>) {
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if let Some(scale) = scale {
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if *scale > 0.0 {
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let clamped_scale = scale.clamp(0.0, 1.0);
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self.requested_viewport_scale.set(clamped_scale);
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}
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}
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}
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/// <https://www.w3.org/TR/webxr-ar-module-1/#dom-xrview-isfirstpersonobserver>
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fn IsFirstPersonObserver(&self) -> bool {
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// Servo is not currently supported anywhere that supports this, so return false
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false
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}
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}
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