i made cubic environement (vertical cross) in hdrshop form a light probs hdr image
and when i load it into cubemapgen (load cub cross Commande button) i got the error message "cannot create input cubemap of size 256 and format A32B32G32R32F."
please anybody tell me whats wrong and how to fix this problem
my graphic card i nvidea geforce fx5200 with shader model 2.0 support
thank in advance