coderef

OES_texture_half_float WebGL extensionBaseline · Widely available

The OES_texture_half_float extension for WebGL 1.0 contexts adds texture formats with 16-bit (also known as half float) and 32-bit floating-point components.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Aug 2, 2016. Widely available since Feb 2, 2019.

Browser support

DesktopChrome
1–26Not supported
27+Supportedsince May 21, 2013
Current: 155
Edge
12–13Not supported
14+Supportedsince Aug 2, 2016
Current: 154
Firefox
1–28Not supported
29+Supportedsince Apr 29, 2014
Current: 157
Safari
1–7Not supported
8+Supportedsince Oct 16, 2014
Current: 27
MobileChrome Android
18–26Not supported
27+Supportedsince May 22, 2013
Current: 155
Firefox Android
4–28Not supported
29+Supportedsince Apr 29, 2014
Current: 157
Safari iOS
1–7Not supported
8+Supportedsince Sep 17, 2014
Current: 27

How to use

This feature is Baseline widely available — use it freely, no fallback needed.

Example

Full syntax and examples are on MDN: OES texture half float.

Feature detection

JS · check before using
if ("OES_texture_half_float" in globalThis) {
  // OES_texture_half_float is available
} else {
  // load a polyfill or use a fallback
}