Different methods for prefiltered environment maps have been proposed, each of which has different advantages and disadvantages. We present a general notation for prefiltered environment maps, which will be used to classify and compare the existing methods. Based on that knowledge we develop three new algorithms: 1. A fast hierarchical prefiltering method that can be utilized for all previously proposed prefiltered environment maps. 2. A technique for hardware-accelerated prefiltering of environment maps that achieves interactive rates even on low-end workstations. 3. Anisotropic environment maps using the Banks model.
CITATION STYLE
Kautz, J., Vázquez, P.-P., Heidrich, W., & Seidel, H.-P. (2000). A Unified Approach to Prefiltered Environment Maps (pp. 185–196). https://doi.org/10.1007/978-3-7091-6303-0_17
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