added new options for selecting internal RGB format (RGB/RGB16/compressed) compressed is only working if you enable the USE_EXTENSIONS define
added new options for selecting internal RGB format (RGB/RGB16/compressed)
compressed is only working if you enable the USE_EXTENSIONS define


git-svn-id: 28d9401aa571d5108e51b194aae6f24ca5964c06@8282 8cc4aa7f-3514-0410-904f-f2cc9021211c

crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS