A Practical and Efficient Approach for Correct Z-Pass Stencil Shadow Volumes
B. Usta (TU Delft - Electrical Engineering, Mathematics and Computer Science)
L. Scandolo (TU Delft - Electrical Engineering, Mathematics and Computer Science)
M. Billeter (TU Delft - Electrical Engineering, Mathematics and Computer Science)
R. Marroquim (TU Delft - Electrical Engineering, Mathematics and Computer Science)
E. Eisemann (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
Shadow volumes are a popular technique to compute pixel-accurate hard shadows in 3D scenes. Many variants exist that trade off accuracy and efficiency. In this work, we present an artifact-free, efficient, and easy-to-implement stencil shadow volume method. We compare our method to established stencil shadow volume techniques and show that it outperforms the alternatives.