coderef

OES_fbo_render_mipmap WebGL extensionBaseline · Widely available

The OES_fbo_render_mipmap extension for WebGL 1.0 contexts attaches any level of a texture to a framebuffer object.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Apr 26, 2021. Widely available since Oct 26, 2023.

How to use ↓Compare browsers

Browser support

DesktopChrome
1–79Not supported
80+Supportedsince Feb 4, 2020
Current: 155
Edge
12–79Not supported
80+Supportedsince Feb 7, 2020
Current: 154
Firefox
1–70Not supported
71+Supportedsince Dec 10, 2019
Current: 157
Safari
1–14Not supported
14.1+Supportedsince Apr 26, 2021
Current: 27
MobileChrome Android
18–79Not supported
80+Supportedsince Feb 4, 2020
Current: 155
Firefox Android
4–68Not supported
79+Supportedsince Jul 28, 2020
Current: 157
Safari iOS
1–14Not supported
14.5+Supportedsince Apr 26, 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: OES fbo render mipmap.

Feature detection

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

Documentation (MDN)

Specification