mirror of
https://github.com/servo/servo.git
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114 lines
4.1 KiB
Rust
114 lines
4.1 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::VRDisplayBinding::VRDisplayMethods;
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use crate::dom::bindings::codegen::Bindings::XRBinding::XRSessionMode;
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use crate::dom::bindings::codegen::Bindings::XRSessionBinding;
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use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XREnvironmentBlendMode;
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use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XRFrameRequestCallback;
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use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XRSessionMethods;
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use crate::dom::bindings::codegen::Bindings::XRWebGLLayerBinding::XRWebGLLayerMethods;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::num::Finite;
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use crate::dom::bindings::reflector::reflect_dom_object;
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use crate::dom::bindings::root::{Dom, DomRoot, MutNullableDom};
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use crate::dom::eventtarget::EventTarget;
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use crate::dom::globalscope::GlobalScope;
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use crate::dom::promise::Promise;
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use crate::dom::vrdisplay::VRDisplay;
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use crate::dom::xrlayer::XRLayer;
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use crate::dom::xrwebgllayer::XRWebGLLayer;
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use dom_struct::dom_struct;
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use std::rc::Rc;
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#[dom_struct]
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pub struct XRSession {
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eventtarget: EventTarget,
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display: Dom<VRDisplay>,
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base_layer: MutNullableDom<XRLayer>,
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blend_mode: XREnvironmentBlendMode,
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}
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impl XRSession {
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fn new_inherited(display: &VRDisplay) -> XRSession {
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XRSession {
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eventtarget: EventTarget::new_inherited(),
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display: Dom::from_ref(display),
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base_layer: Default::default(),
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// we don't yet support any AR devices
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blend_mode: XREnvironmentBlendMode::Opaque,
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}
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}
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pub fn new(global: &GlobalScope, display: &VRDisplay) -> DomRoot<XRSession> {
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reflect_dom_object(
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Box::new(XRSession::new_inherited(display)),
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global,
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XRSessionBinding::Wrap,
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)
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}
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pub fn xr_present(&self, p: Rc<Promise>) {
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self.display.xr_present(self, None, Some(p));
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}
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}
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impl XRSessionMethods for XRSession {
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/// https://immersive-web.github.io/webxr/#dom-xrsession-depthnear
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fn DepthNear(&self) -> Finite<f64> {
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self.display.DepthNear()
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}
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/// https://immersive-web.github.io/webxr/#dom-xrsession-depthfar
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fn DepthFar(&self) -> Finite<f64> {
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self.display.DepthFar()
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}
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/// https://immersive-web.github.io/webxr/#dom-xrsession-depthnear
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fn SetDepthNear(&self, d: Finite<f64>) {
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self.display.SetDepthNear(d)
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}
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/// https://immersive-web.github.io/webxr/#dom-xrsession-depthfar
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fn SetDepthFar(&self, d: Finite<f64>) {
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self.display.SetDepthFar(d)
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}
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/// https://immersive-web.github.io/webxr/#dom-xrsession-mode
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fn Mode(&self) -> XRSessionMode {
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XRSessionMode::Immersive_vr
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}
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/// https://immersive-web.github.io/webxr/#dom-xrsession-baselayer
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fn SetBaseLayer(&self, layer: Option<&XRLayer>) {
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self.base_layer.set(layer);
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if let Some(layer) = layer {
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let layer = layer.downcast::<XRWebGLLayer>().unwrap();
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self.display.xr_present(&self, Some(&layer.Context()), None);
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} else {
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// steps unknown
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// https://github.com/immersive-web/webxr/issues/453
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}
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}
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/// https://immersive-web.github.io/webxr/#dom-xrsession-baselayer
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fn GetBaseLayer(&self) -> Option<DomRoot<XRLayer>> {
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self.base_layer.get()
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}
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/// https://immersive-web.github.io/webxr/#dom-xrsession-requestanimationframe
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fn RequestAnimationFrame(&self, callback: Rc<XRFrameRequestCallback>) -> i32 {
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self.display.xr_raf(callback) as i32
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}
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/// https://immersive-web.github.io/webxr/#dom-xrsession-cancelanimationframe
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fn CancelAnimationFrame(&self, frame: i32) {
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self.display.xr_cancel_raf(frame)
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}
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/// https://immersive-web.github.io/webxr/#dom-xrsession-environmentblendmode
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fn EnvironmentBlendMode(&self) -> XREnvironmentBlendMode {
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self.blend_mode
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}
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}
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