WebGLRenderingContext: getProgramInfoLog() method
The WebGLRenderingContext.getProgramInfoLog returns the information
log for the specified WebGLProgram
object. It contains errors that
occurred during failed linking or validation of WebGLProgram
objects.
Syntax
js
getProgramInfoLog(program)
Parameters
program
-
The
WebGLProgram
to query.
Return value
A string that contains diagnostic messages, warning messages, and
other information about the last linking or validation operation. When a
WebGLProgram
object is initially created, its information log will be a
string of length 0.
Examples
Checking program errors
js
const program = gl.createProgram();
// Attach pre-existing shaders
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.getProgramInfoLog(program);
Specifications
Specification |
---|
WebGL Specification # 5.14.9 |
Browser compatibility
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