function PointCloudEyeDomeLighting() {
  this._framebuffer = new FramebufferManager({
    colorAttachmentsLength: 2,
    depth: true,
    supportsDepthTexture: true,
  });

  this._drawCommand = undefined;
  this._clearCommand = undefined;

  this._strength = 1.0;
  this._radius = 1.0;
}
Eye dome lighting. Does not support points with per-point translucency, but does allow translucent styling against the globe.
Requires support for EXT_frag_depth and WEBGL_draw_buffers extensions in WebGL 1.0.

@private