var material = new THREE.MeshBasicMaterial();
material.map = new THREE.Texture(canvas);
material.transparent = true;
material.side = THREE.DoubleSide,
material.opacity = 1;
material.map.minFilter = THREE.LinearFilter;
material.map.magFilter = THREE.LinearFilter;
material.map.generateMipmaps = true;
material.map.needsUpdate = true;
var handle = material.map.__webglTexture;
but why handle is always return undefined, Before r69 version can get handle return WebGLTexture but r85 version can't i don't understand Thank you :)
Most helpful comment
https://github.com/mrdoob/three.js/issues/5230#issuecomment-304013525