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WebGL2 specification is now well underway at Khronos. There is a draft specification.

How to enable the WebGL2 prototype in Firefox

Go to about:config, create new boolean preference with the name


and the value true.

On Windows, until we get full ES3 support in ANGLE, you may also need to set


to the value true.

How to create a WebGL2 context

Similar to ordinary WebGL contexts, just use the "experimental-webgl2" context id:

   var gl = somecanvas.getContext("experimental-webgl2");


WebGL2 requires either OpenGL ES 3.0 support, or a comparable desktop OpenGL feature set (any desktop OpenGL 3.2 system should work, but not all of OpenGL 3.2 is required).