A lower level function to compile either a vertex or fragment shader.
var gl = renderer.getContext();
var glVertexShader = new THREE.WebGLShader( gl, gl.VERTEX_SHADER, vertexSourceCode );
var glFragmentShader = new THREE.WebGLShader( gl, gl.FRAGMENT_SHADER, fragmentSourceCode );
var program = gl.createProgram();
gl.attachShader( program, glVertexShader );
gl.attachShader( program, glFragmentShader );
gl.linkProgram( program );
gl -- The current WebGL context type -- The WebGL type, either gl.VERTEX_SHADER or gl.FRAGMENT_SHADER source -- The source code for the shader
This will compile an individual shader, but won't link it to be a complete [page:WebGLProgram]. Note: this is a function so the new operator should not be used.
[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]