WebGLRenderingContext.isTexture

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

Syntax

GLboolean gl.isTexture(texture);

Parameters

texture

A WebGLTexture to check.

Return value

A GLboolean indicating whether or not the texture is valid.

Examples

Checking a texture

var canvas = document.getElementById('canvas');
var gl = canvas.getContext('webgl');
var texture = gl.createTexture();

gl.isTexture(texture);

Specifications

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

Browser compatibility

See also

• WebGLRenderingContext.bindTexture()
• WebGLRenderingContext.createTexture()
• WebGLRenderingContext.deleteTexture()
• WebGLRenderingContext.texImage2D()