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Add a viewer typed reference space

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This commit is contained in:
Manish Goregaokar 2019-07-08 19:44:08 -07:00
parent 57c85361be
commit b818af794a
4 changed files with 21 additions and 23 deletions
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13
components/script/dom/xrsession.rs
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@ -276,17 +276,14 @@ impl XRSessionMethods for XRSession {
pub struct ApiSpace;
// The pose of an object in native-space. Should never be exposed.
pub type ApiPose = TypedRigidTransform3D<f32, ApiSpace, webxr_api::Native>;
// The pose of the viewer in some api-space.
pub type ApiViewerPose = TypedRigidTransform3D<f32, webxr_api::Viewer, ApiSpace>;
// A transform between objects in some API-space
pub type ApiRigidTransform = TypedRigidTransform3D<f32, ApiSpace, ApiSpace>;
#[allow(unsafe_code)]
pub fn cast_transform_to_pose<T>(
transform: TypedRigidTransform3D<f32, T, webxr_api::Native>,
) -> ApiPose {
unsafe { mem::transmute(transform) }
}
#[allow(unsafe_code)]
pub fn cast_transform<T, U>(transform: TypedRigidTransform3D<f32, T, U>) -> ApiRigidTransform {
pub fn cast_transform<T, U, V, W>(
transform: TypedRigidTransform3D<f32, T, U>,
) -> TypedRigidTransform3D<f32, V, W> {
unsafe { mem::transmute(transform) }
}