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.
Note: This feature is available in Web Workers.
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
transformFeedback-
A
WebGLTransformFeedbackobject 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.
js
const transformFeedback = gl.createTransformFeedback();
// …
gl.isTransformFeedback(transformFeedback);
Specifications
| Specification |
|---|
| WebGL 2.0 Specification # 3.7.15 |
Browser compatibility
| desktop | mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
isTransformFeedback | ||||||||||||