WEBGL_lose_context: restoreContext() method
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
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