The WebGLRenderingContext.getShaderInfoLog returns the information log for the specified WebGLShader
object. It contains warnings, debugging and compile information.
WebGLRenderingContext.getShaderInfoLog()
Syntax
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
/* load shader source code. */ gl.shaderSource(shader, shaderCode); /* compile shader source code. */ gl.compileShader(shader); var 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_STATUS
to check for a failed compile. WebGLRenderingContext.getError()
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https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/getShaderInfoLog