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Apply pending render states in RAF

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This commit is contained in:
Manish Goregaokar 2019-07-08 16:12:08 -07:00
parent cf53cf6cc5
commit 33421e8ee0
2 changed files with 30 additions and 4 deletions
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2
components/script/dom/xrrenderstate.rs
View file

@ -47,7 +47,7 @@ impl XRRenderState {
)
}
pub fn copy(&self) -> DomRoot<Self> {
pub fn clone_object(&self) -> DomRoot<Self> {
XRRenderState::new(
&self.global(),
self.depth_near.get(),

32
components/script/dom/xrsession.rs
View file

@ -7,10 +7,12 @@ use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::XRBinding::XRSessionMode;
use crate::dom::bindings::codegen::Bindings::XRReferenceSpaceBinding::XRReferenceSpaceType;
use crate::dom::bindings::codegen::Bindings::XRRenderStateBinding::XRRenderStateInit;
use crate::dom::bindings::codegen::Bindings::XRRenderStateBinding::XRRenderStateMethods;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XREnvironmentBlendMode;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XRFrameRequestCallback;
use crate::dom::bindings::codegen::Bindings::XRSessionBinding::XRSessionMethods;
use crate::dom::bindings::codegen::Bindings::XRWebGLLayerBinding::XRWebGLLayerMethods;
use crate::dom::bindings::error::Error;
use crate::dom::bindings::refcounted::Trusted;
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
@ -19,10 +21,12 @@ use crate::dom::eventtarget::EventTarget;
use crate::dom::globalscope::GlobalScope;
use crate::dom::promise::Promise;
use crate::dom::xrinputsource::XRInputSource;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::xrlayer::XRLayer;
use crate::dom::xrreferencespace::XRReferenceSpace;
use crate::dom::xrrenderstate::XRRenderState;
use crate::dom::xrspace::XRSpace;
use crate::dom::xrwebgllayer::XRWebGLLayer;
use crate::task_source::TaskSource;
use dom_struct::dom_struct;
use euclid::Vector3D;
@ -92,8 +96,29 @@ impl XRSession {
unimplemented!()
}
/// https://immersive-web.github.io/webxr/#xr-animation-frame
fn raf_callback(&self, (time, frame): (f64, Frame)) {
unimplemented!()
let session = self.session.borrow_mut();
// Step 1
if let Some(pending) = self.pending_render_state.take() {
// https://immersive-web.github.io/webxr/#apply-the-pending-render-state
// (Steps 1-4 are implicit)
// Step 5
self.active_render_state.set(&pending);
// Step 6-7: XXXManishearth handle inlineVerticalFieldOfView
// XXXManishearth handle inline sessions and composition disabled flag
let layer = pending.GetBaseLayer();
if let Some(layer) = layer {
if let Some(layer) = layer.downcast::<XRWebGLLayer>() {
session.update_webgl_external_image_api(
layer.Context().webgl_sender().webxr_external_image_api(),
);
} else {
error!("updateRenderState() called with unknown layer type")
}
}
}
}
}
@ -119,7 +144,7 @@ impl XRSessionMethods for XRSession {
let pending = self
.pending_render_state
.or_init(|| self.active_render_state.get().copy());
.or_init(|| self.active_render_state.get().clone_object());
if let Some(near) = init.depthNear {
pending.set_depth_near(*near);
}
@ -179,7 +204,8 @@ impl XRSessionMethods for XRSession {
let sender = self.raf_sender.borrow().clone().unwrap();
// request animation frame
self.session.borrow_mut()
self.session
.borrow_mut()
.request_animation_frame(FrameCallback { sender });
raf_id