WebGL2RenderingContext: isTransformFeedback() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2021.

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

Syntax

js
isTransformFeedback(transformFeedback)

Parameters

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.

js
const transformFeedback = gl.createTransformFeedback();

// …

gl.isTransformFeedback(transformFeedback);

Specifications

Specification
WebGL 2.0 Specification
# 3.7.15

Browser compatibility

BCD tables only load in the browser

See also