WEBGL_lose_context.loseContext()
The WEBGL_lose_context.loseContext() method is part of the WebGL API and allows you to simulate losing the context of a WebGLRenderingContext
context.
It triggers the steps described in the WebGL specification for handling context lost. The context will remain lost until WEBGL_lose_context.restoreContext()
is called.
Syntax
JavaScript
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gl.getExtension('WEBGL_lose_context').loseContext();
Examples
With this method, you can simulate the webglcontextlost
event:
JavaScript
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var canvas = document.getElementById("canvas"); var gl = canvas.getContext("webgl"); canvas.addEventListener("webglcontextlost", function(e) { console.log(e); }, false); gl.getExtension('WEBGL_lose_context').loseContext(); // WebGLContextEvent event with type "webglcontextlost" is logged.
Specifications
Specification | Status | Comment |
---|---|---|
WEBGL_lose_context The definition of 'WEBGL_lose_context.loseContext' in that specification. |
Recommendation | Initial definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | ? | 19 (19) | ? | ? | ? |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | ? | ? | 19.0 (19) | ? | ? | ? |
See also
WebGLRenderingContext.isContextLost()
- Events:
webglcontextlost
,webglcontextrestored
,webglcontextcreationerror
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/webgl_lose_context/losecontext