The WebGLRenderingContext.isProgram()
method of the WebGL API returns true
if the passed WebGLProgram
is valid, false
otherwise.
WebGLRenderingContext.isProgram()
Syntax
isProgram(program)
Parameters
- program
-
A
WebGLProgram
to check.
Return value
A GLboolean
indicating whether or not the program is valid.
Examples
Checking a program
var canvas = document.getElementById('canvas'); var gl = canvas.getContext('webgl'); var program = gl.createProgram(); // ... gl.isProgram(program);
Specifications
Specification |
---|
WebGL Specification # 5.14.9 |
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
isProgram |
9
|
12
|
4
|
11
|
12
|
5.1
|
4.4.3
|
25
|
4
|
12
|
8
|
1.5
|
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/isProgram