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 WebGLProgram to 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 `Could not compile WebGL program. \n\n${info}`;
}

gl.useProgram(program);

Specifications

Specification
WebGL Specification
# 5.14.9

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
validateProgram

Legend

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Full support
Full support

See also