The WebGLRenderingContext.getShaderInfoLog returns the information log for the specified WebGLShader object. It contains warnings, debugging and compile information.
WebGLRenderingContext: getShaderInfoLog() method
Syntax
js
getShaderInfoLog(shader)
Parameters
-
shader -
A
WebGLShaderto 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
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
getShaderInfoLog |
9 | 12 | 4 | 11 | 12 | 5.1 | 4.4.3 | 25 | 4 | 12 | 8 | 1.5 |
See also
WebGLRenderingContext.getShaderParameter()– used withgl.COMPILE_STATUSto check for a failed compile.WebGLRenderingContext.getError()
© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getShaderInfoLog