The WebGLRenderingContext.isProgram()
method of the WebGL API returns true
if the passed WebGLProgram
is valid, false
otherwise.
Syntax
GLboolean gl.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 | Status | Comment |
---|---|---|
WebGL 1.0 The definition of 'isProgram' in that specification. |
Recommendation | Initial definition. |
OpenGL ES 2.0 The definition of 'glIsProgram' in that specification. |
Standard | Man page of the OpenGL API. |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
isProgram | Chrome Full support 9 | Edge Full support 12 | Firefox Full support 4 | IE Full support 11 | Opera Full support 12 | Safari Full support 5.1 | WebView Android Full support Yes | Chrome Android Full support 25 | Firefox Android Full support Yes | Opera Android Full support 12 | Safari iOS Full support 8 | Samsung Internet Android Full support 1.5 |
Legend
- Full support
- Full support