WebVR 1.1 spec compatibility

This commit is contained in:
Imanol Fernandez 2017-05-26 14:22:02 +02:00
parent 296a215e54
commit fe4ee6de2e
16 changed files with 112 additions and 55 deletions

View file

@ -11,6 +11,7 @@ use dom::bindings::codegen::Bindings::VRDisplayBinding;
use dom::bindings::codegen::Bindings::VRDisplayBinding::VRDisplayMethods;
use dom::bindings::codegen::Bindings::VRDisplayBinding::VREye;
use dom::bindings::codegen::Bindings::VRLayerBinding::VRLayer;
use dom::bindings::codegen::Bindings::WebGLRenderingContextBinding::WebGLRenderingContextMethods;
use dom::bindings::codegen::Bindings::WindowBinding::FrameRequestCallback;
use dom::bindings::codegen::Bindings::WindowBinding::WindowBinding::WindowMethods;
use dom::bindings::inheritance::Castable;
@ -391,6 +392,22 @@ impl VRDisplayMethods for VRDisplay {
let msg = VRCompositorCommand::SubmitFrame(display_id, layer.left_bounds, layer.right_bounds);
api_sender.send(CanvasMsg::WebVR(msg)).unwrap();
}
// https://w3c.github.io/webvr/spec/1.1/#dom-vrdisplay-getlayers
fn GetLayers(&self) -> Vec<VRLayer> {
// WebVR spec: MUST return an empty array if the VRDisplay is not currently presenting
if !self.presenting.get() {
return Vec::new();
}
let layer = self.layer.borrow();
vec![VRLayer {
leftBounds: Some(bounds_to_vec(&layer.left_bounds)),
rightBounds: Some(bounds_to_vec(&layer.right_bounds)),
source: self.layer_ctx.get().map(|ctx| ctx.Canvas()),
}]
}
}
impl VRDisplay {
@ -467,7 +484,7 @@ impl VRDisplay {
fn notify_event(&self, event: &WebVRDisplayEvent) {
let root = Root::from_ref(&*self);
let event = VRDisplayEvent::new_from_webvr(&self.global(), &root, &event);
event.upcast::<Event>().fire(self.upcast());
event.upcast::<Event>().fire(self.global().upcast::<EventTarget>());
}
fn init_present(&self) {
@ -643,3 +660,10 @@ fn validate_layer(cx: *mut JSContext,
Err("VRLayer source must be a WebGL Context")
}
}
fn bounds_to_vec(src: &[f32; 4]) -> Vec<Finite<f32>> {
vec![Finite::wrap(src[0]),
Finite::wrap(src[1]),
Finite::wrap(src[2]),
Finite::wrap(src[3])]
}