The WebGLRenderingContext.getError()
method of the WebGL API returns error information.
Syntax
GLenum gl.getError();
Parameters
None.
Return value
Constant | Description |
---|---|
gl.NO_ERROR
|
No error has been recorded. The value of this constant is 0. |
gl.INVALID_ENUM
|
An unacceptable value has been specified for an enumerated argument. The command is ignored and the error flag is set. |
gl.INVALID_VALUE
|
A numeric argument is out of range. The command is ignored and the error flag is set. |
gl.INVALID_OPERATION
|
The specified command is not allowed for the current state. The command is ignored and the error flag is set. |
gl.INVALID_FRAMEBUFFER_OPERATION
|
The currently bound framebuffer is not framebuffer complete when trying to render to or to read from it. |
gl.OUT_OF_MEMORY
|
Not enough memory is left to execute the command. |
gl.CONTEXT_LOST_WEBGL
|
If the WebGL context is lost, this error is returned on the first call to getError . Afterwards and until the context has been restored, it returns gl.NO_ERROR .
|
Examples
gl.getError(); // gl.NO_ERROR (0)
gl.enable(gl.FOOBAR);
gl.getError(); // gl.INVALID_ENUM;
Specifications
Specification | Status | Comment |
WebGL 1.0The definition of 'getError' in that specification. | Recommendation | Initial definition. |
OpenGL ES 2.0The definition of 'glGetError' 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 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
getError
|
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.getError() by Mozilla Contributors is licensed under CC-BY-SA 2.5.