WebGL2RenderingContext.isTransformFeedback()

The WebGL2RenderingContext.isTransformFeedback() method of the WebGL 2 API returns true if the passed object is a valid WebGLTransformFeedback object.

Syntax

GLboolean gl.isTransformFeedback(transformFeedback);

Parameters

transformFeedback

A WebGLTransformFeedback object to test.

Return value

A GLboolean indicating whether the given object is a valid WebGLTransformFeedback object (true) or not (false).

Examples

gl must be a WebGL2RenderingContext. WebGLTransformFeedback objects are not available in WebGL 1.

var transformFeedback = gl.createTransformFeedback();

// ...

gl.isTransformFeedback(transformFeedback);

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
isTransformFeedback
56
79
51
No
43
15
58
58
51
43
15
7.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext/isTransformFeedback