Real-time creased approximate subdivision surfaces with displacements

Denis Kovacs, Jason Mitchell, Shanon Drone, Dennis Zorin

Research output: Contribution to journalArticle


We present an extension of Loop and Schaefer's approximation of Catmull-Clark surfaces (ACC) for surfaces with creases and corners. We discuss the integration of ACC into Valve's Source game engine and analyze performance of our implementation.

Original languageEnglish (US)
Article number5433807
Pages (from-to)742-751
Number of pages10
JournalIEEE Transactions on Visualization and Computer Graphics
Issue number5
StatePublished - 2010


  • GPU tessellation
  • Subdivision surfaces
  • displacement mapping
  • geometric modeling
  • hardware rendering
  • video games

ASJC Scopus subject areas

  • Software
  • Signal Processing
  • Computer Vision and Pattern Recognition
  • Computer Graphics and Computer-Aided Design

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