Real-time creased approximate subdivision surfaces with displacements

Denis Kovacs, Jason Mitchell, Shanon Drone, Dennis Zorin

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


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
Article number5433807
Pages (from-to)742-751
Number of pages10
JournalIEEE Transactions on Visualization and Computer Graphics
Issue number5
Publication statusPublished - 2010
Externally publishedYes


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


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