OpenImageIO/oiio — pull request #445 by lgritz (2012-10-30 02:51:09+00:00)
Title: IC: Detailed per-file stats track number of tile reads per MIPmap level.

IC: Detailed per-file stats track number of tile reads per MIPmap level.
This can help track down unusual MIPmap access patterns.
The idea and most of the code came from Thiago Ize at Solid Angle.