EXT_texture_filter_anisotropic WebGL extensionBaseline · Widely available
The EXT_texture_filter_anisotropic extension for WebGL 1.0 and 2.0 contexts adds anisotropic filtering (AF). AF improves the quality of mipmapped texture access when viewing a textured primitive at an oblique angle.
Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Jun 7, 2016. Widely available since Dec 7, 2018.
Browser support
DesktopChrome
1–33Not supported
34+Supportedsince Apr 8, 2014
Current: 155Edge
12+Supportedsince Jul 29, 2015
Current: 154Firefox
1–46Not supported
47+Supportedsince Jun 7, 2016
Current: 157Safari
1–9Not supported
9.1+Supportedsince Mar 21, 2016
Current: 27MobileChrome Android
18–33Not supported
34+Supportedsince Apr 2, 2014
Current: 155Firefox Android
4–46Not supported
47+Supportedsince Jun 7, 2016
Current: 157Safari iOS
1–9Not supported
9.3+Supportedsince Mar 21, 2016
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: EXT texture filter anisotropic.
Feature detection
JS · check before using
if ("EXT_texture_filter_anisotropic" in globalThis) {
// EXT_texture_filter_anisotropic is available
} else {
// load a polyfill or use a fallback
}