Analytic Visibility on the GPU

T. Auzinger, M. Wimmer, S. Jescke
Vienna University of Technology, Austria
EUROGRAPHICS, Volume 32, Number 2, 2013


   title={Analytic Visibility on the GPU},

   author={Auzinger, T. and Wimmer, M. and Jescke, S.},



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This paper presents a parallel, implementation-friendly analytic visibility method for triangular meshes. Together with an analytic filter convolution, it allows for a fully analytic solution to anti-aliased 3D mesh rendering on parallel hardware. Building on recent works in computational geometry, we present a new edge-triangle intersection algorithm and a novel method to complete the boundaries of all visible triangle regions after a hidden line elimination step. All stages of the method are embarrassingly parallel and easily implementable on parallel hardware. A GPU implementation is discussed and performance characteristics of the method are shown and compared to traditional sampling-based rendering methods.
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