Unity3d GPU Pre-loader

AssetGPULoader.cs

using UnityEngine;
using System.Collections;
using System;
using System.Collections.Generic;

public class AssetGPULoader : MonoBehaviour {
	
	public Camera activeCamera;
	RenderTexture _rt;
	
	void Awake()
	{
		_rt = new RenderTexture(32, 32, 24);
		_rt.Create();
		
		activeCamera.targetTexture = _rt;
	}
	
	// Use this for initialization
	void Start () {

	}
	
	public void PreLoadObject(GameObject obj)
	{
		SnapshotObject(obj);
	}
	
	void SnapshotObject(GameObject obj)
	{
		//move camera into position 
		Vector3 pos = obj.transform.position;
		pos += new Vector3(0f, .5f, 0f);
		activeCamera.transform.position = pos;
		activeCamera.transform.LookAt(obj.transform.position);
		
        activeCamera.Render();
                
		RenderTexture.active = _rt;
		activeCamera.targetTexture = null;
		RenderTexture.active = null;
	}
}