WebGLRenderingContext: isFramebuffer() method

Available in workers

The WebGLRenderingContext.isFramebuffer() method of the WebGL API returns true if the passed WebGLFramebuffer is valid and false otherwise.

Syntax

isFramebuffer(framebuffer)

Parameters

• framebuffer
  • : A WebGLFramebuffer to check.

Return value

A GLboolean indicating whether or not the frame buffer is valid.

Examples

Checking a frame buffer

const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");
const framebuffer = gl.createFramebuffer();

gl.isFramebuffer(framebuffer);

Specifications

Browser compatibility

See also

• bindFramebuffer()
• createFramebuffer()
• deleteFramebuffer()
• Other buffers: WebGLBuffer, WebGLRenderbuffer