misc/tools/compress-texture

   1 #!/bin/sh
   2
   3 # usage: compress-texture tool compression in.png out.dds
   4 # example: compress-texture compressonator dxt1 foo.jpg foo.dds
   5
   6 echo >&2 "$0 $*"
   7
   8 tool=$1; shift
   9 format=$1; shift
  10 src=$1; shift
  11 dst=$1; shift
  12
  13 c=
  14 f=
  15
  16 fourcchack=
  17 case "$tool" in
  18         compressonator-dxtc)
  19                 # we still have to preprocess the image to premultiply alpha, as it seems
  20                 case "$format" in
  21                         dxt2)
  22                                 fourcchack=DXT2
  23                                 format=dxt2
  24                                 ;;
  25                         dxt4)
  26                                 fourcchack=DXT4
  27                                 format=dxt4
  28                                 ;;
  29                 esac
  30                 ;;
  31         *)
  32                 case "$format" in
  33                         dxt2)
  34                                 fourcchack=DXT2
  35                                 format=dxt3
  36                                 ;;
  37                         dxt4)
  38                                 fourcchack=DXT4
  39                                 format=dxt5
  40                                 ;;
  41                 esac
  42                 ;;
  43 esac
  44
  45 if [ -n "$fourcchack" ]; then
  46         fourcchack_dir=`mktemp -d`
  47         convert "$src" -fx "u*u.a" "$fourcchack_dir/src.$ext"
  48         src="$fourcchack_dir/src.$ext"
  49 fi
  50
  51 case "$tool" in
  52         compressonator-dxtc|compressonator-atic)
  53                 case "$tool" in
  54                         *-dxtc) c="-codec DXTC.dll" ;;
  55                         *-atic) c="-codec ATICompressor.dll" ;;
  56                 esac
  57                 case "$format" in
  58                         dxt1) f="+fourCC DXT1" ;;
  59                         dxt2) f="+fourCC DXT2" ;;
  60                         dxt3) f="+fourCC DXT3" ;;
  61                         dxt4) f="+fourCC DXT4" ;;
  62                         dxt5) f="+fourCC DXT5" ;;
  63                 esac
  64                 dir=`mktemp -d "$HOME/.wine/drive_c/compressonator.XXXXXX"`
  65                 dir_dos="C:/${dir##*/}"
  66                 ext=${src##*.}
  67                 cp "$src" "$dir/src.$ext"
  68
  69                 # compressonator and wine suck, so we sometimes have to retry :(
  70                 for retry in 1 2 3 4 5; do
  71                         wine "c:/Program Files/AMD/The Compressonator 1.50/TheCompressonator.exe" -convert -mipmaps "$dir_dos/src.$ext" "$dir_dos/dst.dds" $c $f "$@" -mipper BoxFilter.dll
  72                         if mv "$dir/dst.dds" "$dst"; then
  73                                 break
  74                         fi
  75                 done
  76                 rm -rf "$dir"
  77                 [ -f "$dst" ]
  78                 ;;
  79         nvcompress)
  80                 case "$format" in
  81                         dxt1) f="-bc1" ;;
  82                         dxt3) f="-alpha -bc3" ;;
  83                         dxt5) f="-alpha -bc5" ;;
  84                 esac
  85                 nvcompress $f "$@" "$src" "$dst"
  86                 ;;
  87 esac
  88
  89 if [ -n "$fourcchack" ]; then
  90         # use dd to hack in the right FOURCC
  91         echo -n "$fourcchack" | dd of="$dst" bs=1 count=4 seek=84
  92         rm -rf "$fourcchack_dir"
  93 fi