WebGLRenderingContext: getShaderInfoLog() method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Note: This feature is available in Web Workers.
The WebGLRenderingContext.getShaderInfoLog returns the information log
for the specified WebGLShader
object. It contains warnings, debugging and
compile information.
Syntax
js
getShaderInfoLog(shader)
Parameters
shader
-
A
WebGLShader
to query.
Return value
A string that contains diagnostic messages, warning messages, and
other information about the last compile operation. When a WebGLShader
object is initially created, its information log will be a string of length 0.
Examples
Checking compilation messages
js
/* load shader source code. */
gl.shaderSource(shader, shaderCode);
/* compile shader source code. */
gl.compileShader(shader);
const message = gl.getShaderInfoLog(shader);
if (message.length > 0) {
/* message may be an error or a warning */
throw message;
}
Specifications
Specification |
---|
WebGL Specification # 5.14.9 |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
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getShaderInfoLog |
Legend
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- Full support
- Full support
The compatibility table on 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.
See also
WebGLRenderingContext.getShaderParameter()
– used withgl.COMPILE_STATUS
to check for a failed compile.WebGLRenderingContext.getError()