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Add FakeXRDeviceController.setViews()

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Manishearth committed May 29, 2019
1 parent e95b24b commit 4b930b9e305ff67f26f19cb8bd70430a1d4fff1c
@@ -6,11 +6,16 @@
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */

use crate::dom::bindings::codegen::Bindings::FakeXRDeviceControllerBinding;
use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
use crate::dom::bindings::codegen::Bindings::FakeXRDeviceControllerBinding::{
self, FakeXRDeviceControllerMethods, FakeXRViewInit,
};
use crate::dom::bindings::codegen::Bindings::XRViewBinding::XREye;
use crate::dom::bindings::error::{Error, Fallible};
use crate::dom::bindings::reflector::{reflect_dom_object, DomObject, Reflector};
use crate::dom::bindings::root::DomRoot;
use crate::dom::globalscope::GlobalScope;
use dom_struct::dom_struct;
use webvr_traits::{MockVRControlMsg, WebVREyeParameters, WebVRMsg};

#[dom_struct]
pub struct FakeXRDeviceController {
@@ -31,4 +36,53 @@ impl FakeXRDeviceController {
FakeXRDeviceControllerBinding::Wrap,
)
}

pub fn send_msg(&self, msg: MockVRControlMsg) {
self.global()
.as_window()
.webvr_thread()
.unwrap()
.send(WebVRMsg::MessageMockDisplay(msg));
}
}

impl FakeXRDeviceControllerMethods for FakeXRDeviceController {
// check-tidy: no specs after this line
fn SetViews(&self, views: Vec<FakeXRViewInit>) -> Fallible<()> {
if views.len() != 2 {
return Err(Error::NotSupported);
}

let (left, right) = match (views[0].eye, views[1].eye) {
(XREye::Left, XREye::Right) => (&views[0], &views[1]),
(XREye::Right, XREye::Left) => (&views[1], &views[0]),
_ => return Err(Error::NotSupported),
};

if left.projectionMatrix.len() != 16 ||
right.projectionMatrix.len() != 16 ||
left.viewOffset.position.len() != 4 ||
right.viewOffset.position.len() != 4
{
return Err(Error::Type("Incorrectly sized matrix".into()));
}

let mut proj_l = [0.; 16];
let mut proj_r = [0.; 16];
let v: Vec<_> = left.projectionMatrix.iter().map(|x| **x).collect();
proj_l.copy_from_slice(&v);
let v: Vec<_> = right.projectionMatrix.iter().map(|x| **x).collect();
proj_r.copy_from_slice(&v);

let mut params_l = WebVREyeParameters::default();
let mut params_r = WebVREyeParameters::default();
let v: Vec<_> = left.viewOffset.position.iter().map(|x| **x).collect();
params_l.offset.copy_from_slice(&v);
let v: Vec<_> = right.viewOffset.position.iter().map(|x| **x).collect();
params_r.offset.copy_from_slice(&v);

self.send_msg(MockVRControlMsg::SetProjectionMatrices(proj_l, proj_r));
self.send_msg(MockVRControlMsg::SetEyeParameters(params_l, params_r));
Ok(())
}
}
@@ -11,7 +11,7 @@ interface FakeXRDeviceController {

// // Sets the values to be used for subsequent
// // requestAnimationFrame() callbacks.
// void setViews(Array<FakeXRViewInit> views);
[Throws] void setViews(sequence<FakeXRViewInit> views);

// void setViewerOrigin(FakeXRRigidTransform origin);

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