OES_standard_derivatives WebGL extension
Widely available since 2018-01-29
The OES_standard_derivatives extension for WebGL 1.0 contexts adds the GLSL derivative functions dFdx, dFdy, and fwidth.
Learning resources on MDN
Browser support
- Chrome 10 Released on 2011-03-08
- Chrome Android 18 Released on 2012-06-27
- Edge 12 Released on 2015-07-29
- Firefox 10 Released on 2012-01-31
- Firefox for Android 10 Released on 2012-01-31
- Safari 8 Released on 2014-10-16
- Safari on iOS 8 Released on 2014-09-17
Specifications
- WebGL OES_standard_derivatives Khronos Ratified Extension Specification, from WebGL Working Group (Khronos Group).