WEBGL_lose_context: restoreContext() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2018.
The WEBGL_lose_context.restoreContext() method is part of the WebGL API and allows you to simulate
restoring the context of a WebGLRenderingContext
object.
Syntax
js
restoreContext()
Parameters
None.
Return value
None (undefined
).
Exceptions
Browsers may not report WebGL errors by default. WebGL's error reporting works by calling getError()
and checking for errors. The following exceptions may be thrown:
INVALID_OPERATION
-
Thrown if the context was not lost.
Examples
With this method, you can simulate the
webglcontextrestored
event:
js
const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");
canvas.addEventListener(
"webglcontextrestored",
(e) => {
console.log(e);
},
false,
);
gl.getExtension("WEBGL_lose_context").restoreContext();
Specifications
Specification |
---|
WebGL WEBGL_lose_context Khronos Ratified Extension Specification |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
restoreContext |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- Requires a vendor prefix or different name for use.
- Has more compatibility info.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.