With the evolution of civil and military simulation and C&C system, in many cases we need to real-timely render terrains with huge texture which is too large to fit into video memory. We present a new virtual huge texture management technique to resolve the problem. This algorithm is based multi-resolution representation of texture and view point dependent cache and paging strategy. During the paging process, we fully make use of hardware’s texture transform ability to save bandwidth consumption, another advantage of this algorithm is that, the user can use this virtual texture as an ordinary texture OpenGL texture, the paging operation is totally transparent. The dimension of texture is only restricted by hard storage capacity and floating point bit depth, while the efficiency is comparable to small size hardware texturing.
