A directionally adaptive edge anti-aliasing filter

Konstantine Iourcha, Jason C. Yang, Andrew Pomianowski
Advanced Micro Devices, Inc.
Proceedings of the Conference on High Performance Graphics 2009, HPG ’09, 2009


   title={A directionally adaptive edge anti-aliasing filter},

   author={Iourcha, K. and Yang, J.C. and Pomianowski, A.},

   booktitle={Proceedings of the Conference on High Performance Graphics 2009},





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The latest generation of graphics hardware provides direct access to multisample anti-aliasing (MSAA) rendering data. By taking advantage of these existing pixel subsample values, an intelligent reconstruction filter can be computed using programmable GPU shader units. This paper describes an adaptive anti-aliasing (AA) filter for real-time rendering on the GPU. Improved quality is achieved by using information from neighboring pixel samples to compute both an approximation of the gradient of primitive edges and the final pixel color.
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