[Bf-committers] Bicubic filtering for bump maps, patch + discussion

[Αντώνης Ρυακιωτάκης]

Review-ready version:

http://codereview.appspot.com/5451120/


description:

This patch adds bicubic filtering for the 3D viewport for OpenGL 3.0+ capable
GPUs. For non-capable systems it reverts to normal tap5 filter


All feedback welcome!