WebGLRenderingContext: validateProgram() 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.validateProgram() method of the
WebGL API validates a
WebGLProgram. It checks if it is successfully linked and if it can be
used in the current WebGL state.
Syntax
js
validateProgram(program)
Parameters
program-
A
WebGLProgramto validate.
Return value
None (undefined).
Examples
js
const program = gl.createProgram();
// Attach pre-existing shaders
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
gl.validateProgram(program);
if (!gl.getProgramParameter(program, gl.LINK_STATUS)) {
const info = gl.getProgramInfoLog(program);
throw new Error(`Could not compile WebGL program. \n\n${info}`);
}
gl.useProgram(program);
Specifications
| Specification |
|---|
| WebGL Specification # 5.14.9 |