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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

validateProgram(program)

Parameters

program: A WebGLProgram to validate.

Return value

None (undefined).

Examples

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>

Browser compatibility

	Desktop					Mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	WebView on iOS
`validateProgram`	9	12	4	12	5.1	25	4	12	8	1.5	4.4.3	8