According to Weekly Shonen Jump, 3D movies of One Piece
were announced to premier on March 19th, 2011. One Piece 3D is an original story about missing straw hat of Luffy.
Source: Scan of WSJ
edit by QysteiN on Jan 22: removed CGI from the title.
One Piece 3D: Mugiwara Chase
and Toriko 3D: Kaimaku Gourmet Adventure!!