X-Git-Url: https://git.xonotic.org/?a=blobdiff_plain;f=misc%2Ftools%2Fcompress-texture;h=418d8e5c40afa401ff93d9e42771008fd7708dd9;hb=0a66c777fc991c8a959ac3b054f1eb32a9e9115a;hp=743992215a8af6548c0b1c99da307db88328360d;hpb=7a8e91cdc377e7a7407f34a85a515e6a7986f3f2;p=xonotic%2Fxonotic.git

diff --git a/misc/tools/compress-texture b/misc/tools/compress-texture
index 74399221..418d8e5c 100755
--- a/misc/tools/compress-texture
+++ b/misc/tools/compress-texture
@@ -10,8 +10,50 @@ format=$1; shift
 src=$1; shift
 dst=$1; shift
 
+ext=${src##*.}
+
 c=
 f=
+
+fourcchack=
+case "$tool" in
+	compressonator-dxtc|crunch)
+		# We still have to preprocess the image to premultiply alpha, as it seems
+		case "$format" in
+			dxt2)
+				fourcchack=DXT2
+				format=dxt2
+				;;
+			dxt4)
+				fourcchack=DXT4
+				format=dxt4
+				;;
+		esac
+		;;
+	compressonator-atic|nvcompress|s2tc)
+		# These tools don't support DXT2/4 at all.
+		case "$format" in
+			dxt2)
+				fourcchack=DXT2
+				format=dxt3
+				;;
+			dxt4)
+				fourcchack=DXT4
+				format=dxt5
+				;;
+		esac
+		;;
+	*)
+		echo >&2 "Please figure out the DXT2/DXT4 story for $tool."
+		;;
+esac
+
+if [ -n "$fourcchack" ]; then
+	fourcchack_dir=`mktemp -d`
+	convert "$src" -fx "u*u.a" -type TrueColorMatte "$fourcchack_dir/src.$ext"
+	src="$fourcchack_dir/src.$ext"
+fi
+
 case "$tool" in
 	compressonator-dxtc|compressonator-atic)
 		case "$tool" in
@@ -20,12 +62,13 @@ case "$tool" in
 		esac
 		case "$format" in
 			dxt1) f="+fourCC DXT1" ;;
+			dxt2) f="+fourCC DXT2" ;;
 			dxt3) f="+fourCC DXT3" ;;
+			dxt4) f="+fourCC DXT4" ;;
 			dxt5) f="+fourCC DXT5" ;;
 		esac
 		dir=`mktemp -d "$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 :(
@@ -46,4 +89,28 @@ 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_compress $f "$@" -i "$src" -o "$dst"
+		;;
+	crunch)
+		case "$format" in
+			dxt1) f="-DXT1" ;;
+			dxt2) f="-DXT2" ;;
+			dxt3) f="-DXT3" ;;
+			dxt4) f="-DXT4" ;;
+			dxt5) f="-DXT5" ;;
+		esac
+		crunch $f "$@" -noprogress -nostats -quality 255 -mipMode Generate -dxtQuality uber $CRUNCH_TEXTYPEFLAGS -file "$src" -out "$dst"
+		;;
 esac
+
+if [ -n "$fourcchack" ]; then
+	# use dd to hack in the right FOURCC
+	echo -n "$fourcchack" | dd of="$dst" bs=1 count=4 seek=84 conv=notrunc
+	rm -rf "$fourcchack_dir"
+fi