WebGLRenderingContext: validateProgram() method

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

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See also