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Allow VR RAF loop to handle changes in the layer, support pending renderstates

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This commit is contained in:
Manish Goregaokar 2019-01-15 00:22:20 -08:00
parent 401b470e90
commit e20909cf43
4 changed files with 170 additions and 44 deletions
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21
components/script/dom/xrsession.rs
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@ -4,6 +4,7 @@
use crate::dom::bindings::codegen::Bindings::VRDisplayBinding::VRDisplayMethods;
use crate::dom::bindings::codegen::Bindings::XRBinding::XRSessionMode;
use crate::dom::bindings::codegen::Bindings::XRRenderStateBinding::XRRenderStateInit;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XREnvironmentBlendMode;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XRFrameRequestCallback;
@ -23,7 +24,6 @@ use crate::dom::vrdisplay::VRDisplay;
use crate::dom::xrlayer::XRLayer;
use crate::dom::xrreferencespace::XRReferenceSpace;
use crate::dom::xrstationaryreferencespace::XRStationaryReferenceSpace;
use crate::dom::xrwebgllayer::XRWebGLLayer;
use crate::dom::xrrenderstate::XRRenderState;
use dom_struct::dom_struct;
use std::rc::Rc;
@ -58,6 +58,10 @@ impl XRSession {
pub fn xr_present(&self, p: Rc<Promise>) {
self.display.xr_present(self, None, Some(p));
}
pub fn set_layer(&self, layer: &XRLayer) {
self.base_layer.set(Some(layer))
}
}
impl XRSessionMethods for XRSession {
@ -69,8 +73,19 @@ impl XRSessionMethods for XRSession {
// https://immersive-web.github.io/webxr/#dom-xrsession-renderstate
fn RenderState(&self) -> DomRoot<XRRenderState> {
// XXXManishearth maybe cache this
XRRenderState::new(&self.global(), *self.display.DepthNear(), *self.display.DepthFar(),
self.base_layer.get().as_ref().map(|l| &**l))
XRRenderState::new(
&self.global(),
*self.display.DepthNear(),
*self.display.DepthFar(),
self.base_layer.get().as_ref().map(|l| &**l),
)
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-requestanimationframe
fn UpdateRenderState(&self, init: &XRRenderStateInit) -> Rc<Promise> {
let p = Promise::new(&self.global());
self.display.queue_renderstate(init, p.clone());
p
}
/// https://immersive-web.github.io/webxr/#dom-xrsession-requestanimationframe