SpoutDev/Spoutcraft — comment on commit 690b76cee2ecb03f57ac3c85340b089b8d6d7763
File:  line 0
By Rycochet:

Hrm, not tested it - but before this it wasn't slicing out sprites properly - 1px tall (which seemed to match the code) - I honestly don't know GL code, so was just going by what looks like the obvious fix...