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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

Feature Chrome Edge Firefox Internet Explorer Opera Safari Servo
Basic Support 9 12 4.0 11 12 5.1 No support
Feature Android Chrome for Android Edge Mobile Firefox for Android IE Mobile Opera Mobile Safari Mobile
Basic Support (Yes) 25 (Yes) 4.0 11 12 8.1

See also

© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/isTexture