OpenImageIO/oiio — pull request #535 by danwexler (2013-03-06 22:11:58+00:00)
Title: Optimize make_texture for the case of 1x1 box (bilerp).

Assumes contiguous ImageBuf allocations and implements a 2-pass downsample that avoids using Iterators or NDC coordinates. Slight optimizations when writing contiguous buffers. Adds a few new option attributes to make_texture.