diff options
Diffstat (limited to 'components/script')
| -rw-r--r-- | components/script/dom/vrdisplay.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/components/script/dom/vrdisplay.rs b/components/script/dom/vrdisplay.rs index 02aaeada707..789f0e5936e 100644 --- a/components/script/dom/vrdisplay.rs +++ b/components/script/dom/vrdisplay.rs @@ -61,6 +61,7 @@ pub struct VRDisplay { depth_near: Cell<f64>, depth_far: Cell<f64>, presenting: Cell<bool>, + has_raf_thread: Cell<bool>, left_eye_params: MutDom<VREyeParameters>, right_eye_params: MutDom<VREyeParameters>, capabilities: MutDom<VRDisplayCapabilities>, @@ -130,6 +131,7 @@ impl VRDisplay { depth_near: Cell::new(0.01), depth_far: Cell::new(10000.0), presenting: Cell::new(false), + has_raf_thread: Cell::new(false), left_eye_params: MutDom::new(&*VREyeParameters::new( display.left_eye_parameters.clone(), &global, @@ -652,6 +654,10 @@ impl VRDisplay { let xr = self.global().as_window().Navigator().Xr(); xr.set_active_immersive_session(&self); self.process_renderstate_queue(); + if self.has_raf_thread.get() { + return; + } + self.has_raf_thread.set(true); let (sync_sender, sync_receiver) = webgl_channel().unwrap(); *self.frame_data_receiver.borrow_mut() = Some(sync_receiver); @@ -760,6 +766,7 @@ impl VRDisplay { let xr = self.global().as_window().Navigator().Xr(); xr.deactivate_session(); *self.frame_data_receiver.borrow_mut() = None; + self.has_raf_thread.set(false); if let Some(api_sender) = self.api_sender() { let display_id = self.display.borrow().display_id; api_sender |