A practical and robust bump-mapping technique for today’s GPU’s

M. Kilgard
NVIDIA Corporation, 3535 Monroe Street, Santa Clara, CA 95051
GDC 2000: Advanced OpenGL Game Development (2000)


   title={A practical and robust bump-mapping technique for today’s GPUs},

   author={Kilgard, M.J.},




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Bump mapping is a normal-perturbation rendering technique for simulating lighting effects caused by patterned irregularities on otherwise locally smooth surfaces. By encoding such surface patterns in texture maps, texture-based bump mapping simulates a surface’s irregular lighting appearance without modeling the patterns as true geometric perturbations to the surface. Bump mapping is advantageous because it can decouple a texture-based description of small-scale surface irregularities used for.
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