Notes on WebXR Layers API Level 1

Hi all,

Here are my notes on the WebXR Layers 1 spec: [1]

The spec provides support for various layer types used in a WebXR 
session (adds 'composition' layers). It covers rendering, view creation, 
Video Layer creation, events and WebXR Device API stuff.

It's mostly technical implementation details - but one thing that jumped 
out at me is:

* It allows the rendering/re-rendering of certain content at different 
resolutions. This may have a11y implications to ensure that important 
a11y related content doesn't get scaled down. Maybe a note is needed to 
see captions or other content should be considered critical so this, and 
other a11y related content is not rendered poorly?

I'm not sure which layer immersive captions would be drawn into so that 
is something to find out. Once we know, it could be a case that to 
support a11y requirements the layer itself must operate within certain 



Emerging Web Technology Specialist/Accessibility (WAI/W3C)

Received on Wednesday, 19 May 2021 15:09:24 UTC