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WebGL2RenderingContext: beginTransformFeedback() method - Web APIs | MDN
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WebGL2RenderingContext: beginTransformFeedback() 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.beginTransformFeedback()
method of the WebGL 2 API starts a transform
feedback operation.
Syntax
js
beginTransformFeedback(primitiveMode)
Parameters
primitiveMode-
A
GLenumspecifying the output type of the primitives that will be recorded into the buffer objects that are bound for transform feedback. Possible values:gl.POINTSgl.LINESgl.TRIANGLES
Return value
None (undefined).
Examples
js
const transformFeedback = gl.createTransformFeedback();
gl.bindTransformFeedback(gl.TRANSFORM_FEEDBACK, transformFeedback);
gl.beginTransformFeedback(gl.TRIANGLES);
gl.drawArrays(gl.TRIANGLES, 0, 3);
Specifications
| Specification |
|---|
| WebGL 2.0 Specification # 3.7.15 |
Browser compatibility
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