WebGLRenderingContext.isRenderbuffer

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

Syntax

GLboolean gl.isRenderbuffer(renderbuffer);

Parameters

renderbuffer

A WebGLRenderbuffer to check.

Return value

A GLboolean indicating whether or not the renderbuffer is valid.

Examples

Checking a renderbuffer

var canvas = document.getElementById('canvas');
var gl = canvas.getContext('webgl');
var renderbuffer = gl.createRenderbuffer();

gl.isRenderbuffer(renderbuffer);

Specifications

Specification	Status	Comment
WebGL 1.0 The definition of 'isRenderbuffer' in that specification.	Recommendation	Initial definition.
OpenGL ES 2.0 The definition of 'glIsRenderbuffer' in that specification.	Standard	Man page of the OpenGL API.

Browser compatibility

See also

• WebGLRenderingContext.bindRenderbuffer()
• WebGLRenderingContext.createRenderbuffer()
• WebGLRenderingContext.deleteRenderbuffer()
• Other buffers: WebGLBuffer, WebGLFramebuffer