message: Get surfaces rendering in layer pass.
diff: @@ -1696,9 +1696,12 @@ class MRTCompositor extends Compositor {
  }
  protected renderLayers(commands: RenderCommands, needComposite: boolean): void {
  + this._readPickDataFromPingPong = true;
  System.instance.frameBufferStack.execute(needComposite ? this._fbos.opaqueAndCompositeAll! : this._fbos.opaqueAll!, true, () => {
  - this.drawPass(commands, RenderPass.Layers, false);
  + this.drawPass(commands, RenderPass.Layers, true);
  });
  +
  + this._readPickDataFromPingPong = false;
  }
  protected renderForVolumeClassification(commands: RenderCommands, compositeFlags: CompositeFlags, renderForReadPixels: boolean) {
  