I am trying to use CLI of PVRTexTool to convert a few images. One operation I have to do is to rotate the images by 180 degrees. How can I archiev this? I am trying to use ( -rotate z,+ ) following but I always get the same response:
PVRTexToolCLI.exe -i D:[path].jpg -rotate z,+ -f ETC1 -q etcfastperceptual -o D:[path].ktx
Error: Invalid values chosen for Rotate Direction. Please see -help for valid parameters.