Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-12 00:45:33 +01:00
Code Issues Projects Releases Packages Wiki Activity

Support fetching viewport info

Browse source
This commit is contained in:
Manish Goregaokar 2018-12-21 14:26:11 -08:00
parent e259ff727e
commit 7e043a33f1
9 changed files with 125 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

21
components/script/dom/xrwebgllayer.rs
View file

@ -2,6 +2,7 @@
* 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::XRViewBinding::{XREye, XRViewMethods};
use crate::dom::bindings::codegen::Bindings::XRWebGLLayerBinding;
use crate::dom::bindings::codegen::Bindings::XRWebGLLayerBinding::XRWebGLLayerMethods;
use crate::dom::bindings::codegen::Bindings::XRWebGLLayerBinding::XRWebGLLayerInit;
@ -13,6 +14,8 @@ use crate::dom::webglrenderingcontext::WebGLRenderingContext;
use crate::dom::window::Window;
use crate::dom::xrlayer::XRLayer;
use crate::dom::xrsession::XRSession;
use crate::dom::xrview::XRView;
use crate::dom::xrviewport::XRViewport;
use dom_struct::dom_struct;
use std::cell::Cell;
@ -78,5 +81,23 @@ impl XRWebGLLayerMethods for XRWebGLLayer {
fn Context(&self) -> DomRoot<WebGLRenderingContext> {
DomRoot::from_ref(&self.context)
}
fn GetViewport(&self, view: &XRView) -> Option<DomRoot<XRViewport>> {
if self.session != view.session() {
return None;
}
let size = self.context.size();
let x = if view.Eye() == XREye::Left {
0
} else {
size.width / 2
};
// XXXManishearth this assumes the WebVR default of canvases being cut in half
// which need not be generally true for all devices, and will not work in
// inline VR mode
Some(XRViewport::new(&self.global(), x, 0, size.width / 2, size.height))
}
}