allow cvars for premultiplied or separate alpha dxt mode

[xonotic/xonotic.git] / misc / tools / compress-texture

diff --git a/misc/tools/compress-texture b/misc/tools/compress-texture
index efacb863c21a4c11568bc90b96b8fbe172c33470..5141b92d04a0da6ec0f1aff748190114e48a12ad 100755 (executable)
--- a/misc/tools/compress-texture
+++ b/misc/tools/compress-texture
@@ -10,6 +10,8 @@ format=$1; shift
 src=$1; shift
 dst=$1; shift
 
+ext=${src##*.}
+
 c=
 f=
 
@@ -63,7 +65,6 @@ case "$tool" in
                esac
                dir=`mktemp -d "$HOME/.wine/drive_c/compressonator.XXXXXX"`
                dir_dos="C:/${dir##*/}"
-               ext=${src##*.}
                cp "$src" "$dir/src.$ext"
 
                # compressonator and wine suck, so we sometimes have to retry :(
@@ -84,10 +85,18 @@ case "$tool" in
                esac
                nvcompress $f "$@" "$src" "$dst"
                ;;
+       s2tc)
+               case "$format" in
+                       dxt1) f="-t DXT1" ;;
+                       dxt3) f="-t DXT3" ;;
+                       dxt5) f="-t DXT5" ;;
+               esac
+               s2tc $f "$@" -i "$src" -o "$dst"
+               ;;
 esac
 
 if [ -n "$fourcchack" ]; then
        # use dd to hack in the right FOURCC
-       echo -n "$fourcchack" | dd of="$dst" bs=1 count=4 seek=84
+       echo -n "$fourcchack" | dd of="$dst" bs=1 count=4 seek=84 conv=notrunc
        rm -rf "$fourcchack_dir"
 fi