coderef

WEBGL_color_buffer_float WebGL extensionBaseline · Widely available

The WEBGL_color_buffer_float extension for WebGL 1.0 contexts adds the 32-bit floating-point type RGBA32F as a color-renderable format.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Sep 20, 2021. Widely available since Mar 20, 2024.

How to use ↓Compare browsers

Browser support

DesktopChrome
1–62Not supported
63+Supportedsince Dec 6, 2017
Current: 155
Edge
12–16Not supported
17+Supportedsince Apr 30, 2018
Current: 154
Firefox
1–29Not supported
30+Supportedsince Jun 10, 2014
Current: 157
Safari
1–13.1Not supported
14+Supportedsince Sep 16, 2020
Current: 27
MobileChrome Android
18–62Not supported
63+Supportedsince Dec 5, 2017
Current: 155
Firefox Android
4–29Not supported
30+Supportedsince Jun 10, 2014
Current: 157
Safari iOS
1–14.5Not supported
15+Supportedsince Sep 20, 2021
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: WEBGL color buffer float.

Feature detection

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

Documentation (MDN)

Specification