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Dirty the canvas when WebXR draws to its GL context

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This commit is contained in:
Alan Jeffrey 2019-07-16 17:52:27 -05:00
parent bd730e7c16
commit 10f3c2230b
1 changed files with 17 additions and 3 deletions
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20
components/script/dom/xrsession.rs
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@ -5,6 +5,7 @@
use crate::compartments::InCompartment;
use crate::dom::bindings::callback::ExceptionHandling;
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextMethods;
use crate::dom::bindings::codegen::Bindings::XRBinding::XRSessionMode;
use crate::dom::bindings::codegen::Bindings::XRReferenceSpaceBinding::XRReferenceSpaceType;
use crate::dom::bindings::codegen::Bindings::XRRenderStateBinding::XRRenderStateInit;
@ -22,6 +23,8 @@ use crate::dom::bindings::reflector::{reflect_dom_object, DomObject};
use crate::dom::bindings::root::{Dom, DomRoot, MutDom, MutNullableDom};
use crate::dom::eventtarget::EventTarget;
use crate::dom::globalscope::GlobalScope;
use crate::dom::node::Node;
use crate::dom::node::NodeDamage;
use crate::dom::promise::Promise;
use crate::dom::xrframe::XRFrame;
use crate::dom::xrinputsource::XRInputSource;
@ -130,9 +133,10 @@ impl XRSession {
}
// Step 2
if self.active_render_state.get().GetBaseLayer().is_none() {
return;
}
let base_layer = match self.active_render_state.get().GetBaseLayer() {
Some(layer) => layer,
None => return,
};
// Step 3: XXXManishearth handle inline session
@ -153,6 +157,16 @@ impl XRSession {
// Step 9: XXXManishearth unset `active` bool on `frame`
self.session.borrow_mut().render_animation_frame();
// If the canvas element is attached to the DOM, it is now dirty,
// and we need to trigger a reflow.
if let Some(webgl_layer) = base_layer.downcast::<XRWebGLLayer>() {
webgl_layer
.Context()
.Canvas()
.upcast::<Node>()
.dirty(NodeDamage::OtherNodeDamage);
}
}
}