XRSession: preferredReflectionFormat property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The read-only preferredReflectionFormat property of the XRSession interface returns this session's preferred reflection format used for lighting estimation texture data.

Value

A string representing the reflection format. Possible values:

XRReflectionFormat WebGL Format WebGL Internal Format WebGPU Format HDR
"srgba8" RGBA SRGB8_ALPHA8 "rgba8unorm-srgb"
"rgba16f" RGBA RGBA16F "rgba16float" ✓

Examples

Requesting a light probe with the system's preferred format

You can request a light probe with XRSession.requestLightProbe() and specify the system's preferred format by setting the reflectionFormat option equal to XRSession.preferredReflectionFormat.

js
const lightProbe = await xrSession.requestLightProbe({
  reflectionFormat: xrSession.preferredReflectionFormat,
});

Specifications

Specification
WebXR Lighting Estimation API Level 1
# dom-xrsession-preferredreflectionformat

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
preferredReflectionFormat
Experimental
Chrome – Full support
Chrome 90 (Release date: 2021-04-13)
footnote Full support
Edge – Full support
Edge 90 (Release date: 2021-04-15)
footnote Full support
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 76 (Release date: 2021-04-28)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 90 (Release date: 2021-04-13)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – Full support
Opera Android 64 (Release date: 2021-05-25)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 15 (Release date: 2021-08-13)
footnote Full support
WebView Android – No support
WebView Android
footnote No support
WebView on iOS – No support
WebView on iOS
footnote No support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.

See also