The WebGLRenderingContext.getProgramInfoLog returns the information log for the specified WebGLProgram
object. It contains errors that occurred during failed linking or validation of WebGLProgram
objects.
Syntax
gl.getProgramInfoLog(program);
Parameters
program
- The
WebGLProgram
to query.
Return value
A DOMString
that contains diagnostic messages, warning messages, and other information about the last linking or validation operation. When a WebGLProgram
object is initially created, its information log will be a string of length 0.
Examples
Checking program errors
var program = gl.createProgram();
// Attach pre-existing shaders
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.getProgramInfoLog(program);
Specifications
Specification | Status | Comment |
WebGL 1.0The definition of 'getProgramInfoLog' in that specification. | Recommendation | Initial definition. |
OpenGL ES 2.0The definition of 'glGetProgramInfoLog' 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.
Update compatibility data on GitHub
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
getProgramInfoLog
|
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
See also
WebGLRenderingContext.getProgramInfoLog() by Mozilla Contributors is licensed under CC-BY-SA 2.5.