Surface based anti-aliasing

  • Authors:
  • Marco Salvi;Kiril Vidimče

  • Affiliations:
  • Intel Corporation;Intel Corporation

  • Venue:
  • I3D '12 Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
  • Year:
  • 2012

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Abstract

We present surface based anti-aliasing (SBAA), a new approach to real-time anti-aliasing for deferred renderers that improves the performance and lowers the memory requirements for anti-aliasing methods that sample sub-pixel visibility. We introduce a novel way of decoupling visibility determination from shading that, compared to previous multi-sampling based approaches, significantly reduces the number of samples stored and shaded per pixel. Unlike post-process anti-aliasing techniques used in conjunction with deferred renderers, SBAA correctly resolves visibility of sub-pixel features, minimizing spatial and temporal artifacts.