three.js/src/materials/RawShaderMaterial.js

/**
 * @author mrdoob / http://mrdoob.com/
 */

THREE.RawShaderMaterial = function ( parameters ) {

	THREE.ShaderMaterial.call( this, parameters );

};

THREE.RawShaderMaterial.prototype = Object.create( THREE.ShaderMaterial.prototype );

THREE.RawShaderMaterial.prototype.clone = function () {

	var material = new THREE.RawShaderMaterial();

	THREE.ShaderMaterial.prototype.clone.call( this, material );

	return material;

};