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60 lines
1.9 KiB
Rust
60 lines
1.9 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use crate::Floor;
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use crate::HitTestId;
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use crate::HitTestResult;
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use crate::InputFrame;
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use crate::Native;
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use crate::SubImages;
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use crate::Viewer;
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use crate::Viewports;
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use crate::Views;
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use euclid::RigidTransform3D;
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/// The per-frame data that is provided by the device.
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/// https://www.w3.org/TR/webxr/#xrframe
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// TODO: other fields?
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#[derive(Clone, Debug)]
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#[cfg_attr(feature = "ipc", derive(serde::Serialize, serde::Deserialize))]
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pub struct Frame {
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/// The pose information of the viewer
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pub pose: Option<ViewerPose>,
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/// Frame information for each connected input source
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pub inputs: Vec<InputFrame>,
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/// Events that occur with the frame.
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pub events: Vec<FrameUpdateEvent>,
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/// The subimages to render to
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pub sub_images: Vec<SubImages>,
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/// The hit test results for this frame, if any
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pub hit_test_results: Vec<HitTestResult>,
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/// The average point in time this XRFrame is expected to be displayed on the devices' display
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pub predicted_display_time: f64,
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}
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#[derive(Clone, Debug)]
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#[cfg_attr(feature = "ipc", derive(serde::Serialize, serde::Deserialize))]
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pub enum FrameUpdateEvent {
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UpdateFloorTransform(Option<RigidTransform3D<f32, Native, Floor>>),
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UpdateViewports(Viewports),
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HitTestSourceAdded(HitTestId),
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}
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#[derive(Clone, Debug)]
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#[cfg_attr(feature = "ipc", derive(serde::Serialize, serde::Deserialize))]
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pub struct ViewerPose {
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/// The transform from the viewer to native coordinates
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///
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/// This is equivalent to the pose of the viewer in native coordinates.
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/// This is the inverse of the view matrix.
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pub transform: RigidTransform3D<f32, Viewer, Native>,
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// The various views
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pub views: Views,
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}
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