create render target

createRenderTarget.js

"use strict";
const THREE = require('THREE');

export function createRenderTarget(renderer){
    let type = THREE.FloatType;
    if( renderer.extensions.get('OES_texture_float_linear') == null) type = THREE.HalfFloatType;

    let rt = new THREE.WebGLRenderTarget(1, 1, {
        wrapS: THREE.ClampToEdgeWrapping,
		  wrapT: THREE.ClampToEdgeWrapping,
		  format: THREE.RGBAFormat,
		  type: type,
		  minFilter: THREE.NearestFilter,
	  	magFilter: THREE.NearestFilter,
  		stencilBuffer: false,
		  depthBuffer: true
    });
    rt.texture.generateMipmaps = false;

    return rt;
}