struct MeshRenderInst : public RenderInst
{
   GFXVertexBufferHandleBase *vertBuff;
   GFXPrimitiveBufferHandle *primBuff;
   GFXPrimitive *prim;
   U32 primBuffIndex;

   BaseMatInstance *matInst;

   F32 visibility;

   MatrixF* objectToWorld;
   MatrixF* worldToCamera;
   MatrixF* projection;
};