WebGLRenderingContext.validateProgram()

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

JavaScript
void <var>gl</var>.validateProgram(<var>program</var>);

Parameters

program
A WebGLProgram to validate.

Return value

None.

Examples

JavaScript
var 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) ) {
  var info = gl.getProgramInfoLog(program);
  throw "Could not compile WebGL program. \n\n" + info;
}

gl.useProgram(program);

Specifications

Specification Status Comment
WebGL 1.0
The definition of 'validateProgram' in that specification.
Recommendation Initial definition.
OpenGL ES 2.0
The definition of 'glValidateProgram' in that specification.
Standard Man page of the OpenGL API.

Browser compatibility

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support 9 12 4.0 (2.0) 11 12 5.1
Feature Android Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support ? 25 4.0 (2.0) 1.0 ? 12 8.0

See also

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/webglrenderingcontext/validateprogram

API Method Reference WebGL WebGLRenderingContext