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WebGLRenderingContext: isFramebuffer() method - Web APIs | MDN
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WebGLRenderingContext: isFramebuffer() method
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Note: This feature is available in Web Workers.
The WebGLRenderingContext.isFramebuffer() method of the
WebGL API returns true if the
passed WebGLFramebuffer is valid and false otherwise.
Syntax
js
isFramebuffer(framebuffer)
Parameters
framebuffer-
A
WebGLFramebufferto check.
Return value
A GLboolean indicating whether or not the frame buffer is valid.
Examples
Checking a frame buffer
js
const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");
const framebuffer = gl.createFramebuffer();
gl.isFramebuffer(framebuffer);
Specifications
| Specification |
|---|
| WebGL Specification # 5.14.6 |
Browser compatibility
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