- Have to depth buffers in the MS. The MS writes in the k frame to the first and in the k+1 in the other. With this way we can read from the one and write to the other. Test in 33Hz

- The light material should contain the bool: castsShadow

- All scene objects are debugable because the render at least in DBGS

- Rename DBG stage to DS

- Octree has SceneNodes

- All scene nodes have AABB
