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 "$tool" in
  20         compressonator-dxtc|crunch)
  21                 # We still have to preprocess the image to premultiply alpha, as it seems
  22                 case "$format" in
  23                         dxt2)
  24                                 fourcchack=DXT2
  25                                 format=dxt2
  26                                 ;;
  27                         dxt4)
  28                                 fourcchack=DXT4
  29                                 format=dxt4
  30                                 ;;
  31                 esac
  32                 ;;
  33         compressonator-atic|nvcompress|s2tc)
  34                 # These tools don't support DXT2/4 at all.
  35                 case "$format" in
  36                         dxt2)
  37                                 fourcchack=DXT2
  38                                 format=dxt3
  39                                 ;;
  40                         dxt4)
  41                                 fourcchack=DXT4
  42                                 format=dxt5
  43                                 ;;
  44                 esac
  45                 ;;
  46         *)
  47                 echo >&2 "Please figure out the DXT2/DXT4 story for $tool."
  48                 ;;
  49 esac
  50
  51 if [ -n "$fourcchack" ]; then
  52         fourcchack_dir=`mktemp -d`
  53         convert "$src" -auto-orient -fx "u*u.a" -type TrueColorMatte "$fourcchack_dir/src.$ext"
  54         src="$fourcchack_dir/src.$ext"
  55 fi
  56
  57 case "$tool" in
  58         compressonator-dxtc|compressonator-atic)
  59                 case "$tool" in
  60                         *-dxtc) c="-codec DXTC.dll" ;;
  61                         *-atic) c="-codec ATICompressor.dll" ;;
  62                 esac
  63                 case "$format" in
  64                         dxt1) f="+fourCC DXT1" ;;
  65                         dxt2) f="+fourCC DXT2" ;;
  66                         dxt3) f="+fourCC DXT3" ;;
  67                         dxt4) f="+fourCC DXT4" ;;
  68                         dxt5) f="+fourCC DXT5" ;;
  69                 esac
  70                 dir=`mktemp -d "$HOME/.wine/drive_c/compressonator.XXXXXX"`
  71                 dir_dos="C:/${dir##*/}"
  72                 cp "$src" "$dir/src.$ext"
  73
  74                 # compressonator and wine suck, so we sometimes have to retry :(
  75                 for retry in 1 2 3 4 5; do
  76                         wine "c:/Program Files/AMD/The Compressonator 1.50/TheCompressonator.exe" -convert -mipmaps "$dir_dos/src.$ext" "$dir_dos/dst.dds" $c $f "$@" -mipper BoxFilter.dll
  77                         if mv "$dir/dst.dds" "$dst"; then
  78                                 break
  79                         fi
  80                 done
  81                 rm -rf "$dir"
  82                 [ -f "$dst" ]
  83                 ;;
  84         nvcompress)
  85                 case "$format" in
  86                         dxt1) f="-bc1" ;;
  87                         dxt3) f="-alpha -bc3" ;;
  88                         dxt5) f="-alpha -bc5" ;;
  89                 esac
  90                 nvcompress $f "$@" "$src" "$dst"
  91                 ;;
  92         s2tc)
  93                 case "$format" in
  94                         dxt1) f="-t DXT1" ;;
  95                         dxt3) f="-t DXT3" ;;
  96                         dxt5) f="-t DXT5" ;;
  97                 esac
  98                 s2tc_compress $f "$@" -i "$src" -o "$dst"
  99                 ;;
 100         crunch)
 101                 case "$format" in
 102                         dxt1) f="-DXT1" ;;
 103                         dxt2) f="-DXT2" ;;
 104                         dxt3) f="-DXT3" ;;
 105                         dxt4) f="-DXT4" ;;
 106                         dxt5) f="-DXT5" ;;
 107                 esac
 108                 crunch $f "$@" -noprogress -nostats -quality 255 -mipMode Generate -dxtQuality uber $CRUNCH_TEXTYPEFLAGS -file "$src" -out "$dst"
 109                 ;;
 110 esac
 111
 112 if [ -n "$fourcchack" ]; then
 113         # use dd to hack in the right FOURCC
 114         echo -n "$fourcchack" | dd of="$dst" bs=1 count=4 seek=84 conv=notrunc
 115         rm -rf "$fourcchack_dir"
 116 fi