WebGLRenderingContext.getShaderInfoLog()
The WebGLRenderingContext.getShaderInfoLog returns the information log
for the specified WebGLShader
object. It contains warnings, debugging and
compile information.
Syntax
gl.getShaderInfoLog(shader);
Parameters
- shader
-
A
WebGLShader
to query.
Return value
A DOMString
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
BCD tables only load in the browser
See also
-
WebGLRenderingContext.getShaderParameter()
– used withgl.COMPILE_STATUS
to check for a failed compile. WebGLRenderingContext.getError()