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=$1; shift
  12
  13 ext=${src##*.}
  14
  15 c=
  16 f=
  17
  18 fourcchack=
  19 case "$tool" in
  20         compressonator-dxtc)
  21                 # we still have to preprocess the image to premultiply alpha, as it seems
  22                 case "$format" in
  23                         dxt2)
  24                                 fourcchack=DXT2
  25                                 format=dxt2
  26                                 ;;
  27                         dxt4)
  28                                 fourcchack=DXT4
  29                                 format=dxt4
  30                                 ;;
  31                 esac
  32                 ;;
  33         *)
  34                 case "$format" in
  35                         dxt2)
  36                                 fourcchack=DXT2
  37                                 format=dxt3
  38                                 ;;
  39                         dxt4)
  40                                 fourcchack=DXT4
  41                                 format=dxt5
  42                                 ;;
  43                 esac
  44                 ;;
  45 esac
  46
  47 if [ -n "$fourcchack" ]; then
  48         fourcchack_dir=`mktemp -d`
  49         convert "$src" -fx "u*u.a" -type TrueColorMatte "$fourcchack_dir/src.$ext"
  50         src="$fourcchack_dir/src.$ext"
  51 fi
  52
  53 case "$tool" in
  54         compressonator-dxtc|compressonator-atic)
  55                 case "$tool" in
  56                         *-dxtc) c="-codec DXTC.dll" ;;
  57                         *-atic) c="-codec ATICompressor.dll" ;;
  58                 esac
  59                 case "$format" in
  60                         dxt1) f="+fourCC DXT1" ;;
  61                         dxt2) f="+fourCC DXT2" ;;
  62                         dxt3) f="+fourCC DXT3" ;;
  63                         dxt4) f="+fourCC DXT4" ;;
  64                         dxt5) f="+fourCC DXT5" ;;
  65                 esac
  66                 dir=`mktemp -d "$HOME/.wine/drive_c/compressonator.XXXXXX"`
  67                 dir_dos="C:/${dir##*/}"
  68                 cp "$src" "$dir/src.$ext"
  69
  70                 # compressonator and wine suck, so we sometimes have to retry :(
  71                 for retry in 1 2 3 4 5; do
  72                         wine "c:/Program Files/AMD/The Compressonator 1.50/TheCompressonator.exe" -convert -mipmaps "$dir_dos/src.$ext" "$dir_dos/dst.dds" $c $f "$@" -mipper BoxFilter.dll
  73                         if mv "$dir/dst.dds" "$dst"; then
  74                                 break
  75                         fi
  76                 done
  77                 rm -rf "$dir"
  78                 [ -f "$dst" ]
  79                 ;;
  80         nvcompress)
  81                 case "$format" in
  82                         dxt1) f="-bc1" ;;
  83                         dxt3) f="-alpha -bc3" ;;
  84                         dxt5) f="-alpha -bc5" ;;
  85                 esac
  86                 nvcompress $f "$@" "$src" "$dst"
  87                 ;;
  88         s2tc)
  89                 case "$format" in
  90                         dxt1) f="-t DXT1" ;;
  91                         dxt3) f="-t DXT3" ;;
  92                         dxt5) f="-t DXT5" ;;
  93                 esac
  94                 s2tc_compress $f "$@" -i "$src" -o "$dst"
  95                 ;;
  96 esac
  97
  98 if [ -n "$fourcchack" ]; then
  99         # use dd to hack in the right FOURCC
 100         echo -n "$fourcchack" | dd of="$dst" bs=1 count=4 seek=84 conv=notrunc
 101         rm -rf "$fourcchack_dir"
 102 fi