Add files necessary to generate astc/ktx files from an image

1 files changed, 254 insertions, 0 deletions

diff --git a/make_ktxes.sh b/make_ktxes.sh
new file mode 100755
index 0000000..7a22b76
--- /dev/null
+++ b/make_ktxes.sh
@@ -0,0 +1,254 @@
+#!/bin/sh
+# This script creates all the KTXs necessary to test the ASTC functionality in HW.
+
+#GL_COMPRESSED_RGBA_ASTC_4x4_KHR   0x93B0
+#GL_COMPRESSED_RGBA_ASTC_5x4_KHR   0x93B1
+#GL_COMPRESSED_RGBA_ASTC_5x5_KHR   0x93B2
+#GL_COMPRESSED_RGBA_ASTC_6x5_KHR   0x93B3
+#GL_COMPRESSED_RGBA_ASTC_6x6_KHR   0x93B4
+#GL_COMPRESSED_RGBA_ASTC_8x5_KHR   0x93B5
+#GL_COMPRESSED_RGBA_ASTC_8x6_KHR   0x93B6
+#GL_COMPRESSED_RGBA_ASTC_8x8_KHR   0x93B7
+#GL_COMPRESSED_RGBA_ASTC_10x5_KHR  0x93B8
+#GL_COMPRESSED_RGBA_ASTC_10x6_KHR  0x93B9
+#GL_COMPRESSED_RGBA_ASTC_10x8_KHR  0x93BA
+#GL_COMPRESSED_RGBA_ASTC_10x10_KHR 0x93BB
+#GL_COMPRESSED_RGBA_ASTC_12x10_KHR 0x93BC
+#GL_COMPRESSED_RGBA_ASTC_12x12_KHR 0x93BD
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR 0x93D0
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR 0x93D1
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR 0x93D2
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR 0x93D3
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR 0x93D4
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR 0x93D5
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR 0x93D6
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR 0x93D7
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR 0x93D8
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR 0x93D9
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR 0x93DA
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR 0x93DB
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR 0x93DC
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR 0x93DD
+#GL_COMPRESSED_RGBA_ASTC_3x3x3_OES 0x93C0
+#GL_COMPRESSED_RGBA_ASTC_4x3x3_OES 0x93C1
+#GL_COMPRESSED_RGBA_ASTC_4x4x3_OES 0x93C2
+#GL_COMPRESSED_RGBA_ASTC_4x4x4_OES 0x93C3
+#GL_COMPRESSED_RGBA_ASTC_5x4x4_OES 0x93C4
+#GL_COMPRESSED_RGBA_ASTC_5x5x4_OES 0x93C5
+#GL_COMPRESSED_RGBA_ASTC_5x5x5_OES 0x93C6
+#GL_COMPRESSED_RGBA_ASTC_6x5x5_OES 0x93C7
+#GL_COMPRESSED_RGBA_ASTC_6x6x5_OES 0x93C8
+#GL_COMPRESSED_RGBA_ASTC_7x6x6_OES 0x93C9
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES 0x93E0
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES 0x93E1
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES 0x93E2
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES 0x93E3
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES 0x93E4
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES 0x93E5
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES 0x93E6
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES 0x93E7
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES 0x93E8
+#GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES 0x93E9
+
+ASTC_2D_Enum=(
+	"0x93B0"
+	"0x93B1"
+	"0x93B2"
+	"0x93B3"
+	"0x93B4"
+	"0x93B5"
+	"0x93B6"
+	"0x93B7"
+	"0x93B8"
+	"0x93B9"
+	"0x93BA"
+	"0x93BB"
+	"0x93BC"
+	"0x93BD"
+	"0x93D0"
+	"0x93D1"
+	"0x93D2"
+	"0x93D3"
+	"0x93D4"
+	"0x93D5"
+	"0x93D6"
+	"0x93D7"
+	"0x93D8"
+	"0x93D9"
+	"0x93DA"
+	"0x93DB"
+	"0x93DC"
+	"0x93DD"
+)
+
+Fmt=(
+	"hdr"
+	"ldrl"
+	"ldrs"
+)
+
+Dims=(
+	"2D"
+	"3D"
+)
+
+Blk=(
+	"4x4"
+	"5x4"
+	"5x5"
+	"6x5"
+	"6x6"
+	"8x5"
+	"8x6"
+	"8x8"
+	"10x5"
+	"10x6"
+	"10x8"
+	"10x10"
+	"12x10"
+	"12x12"
+)
+
+# Executables
+encoder=./astcenc
+ktx_fix=./fix_mali_ktx
+ktx_gen=./gen_ktx
+mip_gen=./gen_mipmaps
+
+# Global variables
+MAX_LEVEL=100
+compressed_dir=../compressed
+decompressed_dir=../decompressed
+
+# Input-based variables
+inFileHead=${1%%.*}
+img_w=`identify -format "%[fx:w]" $1`
+img_h=`identify -format "%[fx:h]" $1`
+
+# Generate all miplevels from the source image
+for lod in $(seq 0 $MAX_LEVEL); do
+
+	# Resize the image for current level of detail (LOD).
+	convert ${inFileHead}.jpg"[${img_w}x${img_h}!]" ${inFileHead}-${lod}.jpg
+
+	# Stop generating miplevels when reaching dimensions 1x1.
+	echo "LOD-$lod dimensions are: ${img_w}x${img_h}"
+	if [ $img_w -eq 1 -a $img_h -eq 1 ]; then
+		MAX_LEVEL=$lod
+		break
+	fi
+
+	# Generate next LOD dimensions.
+	if [ $(($img_w >> 1)) -eq 0 ]; then
+		img_w=1
+	else
+		img_w=$(($img_w >> 1))
+	fi
+		
+	if [ $(($img_h >> 1)) -eq 0 ]; then
+		img_h=1
+	else
+		img_h=$(($img_h >> 1))
+	fi
+
+done
+
+
+# Generate mipmapped KTXs for each configuration combination:
+# * HDR, LDR-SRGB, LDR-LINEAR
+# * Blocks from 4x4 to 12x12
+# * LODs specific to starting image size
+# * Compressed vs decompressed
+for i in ${Fmt[@]}; do
+	switch="" # HDR by default
+	decopts="-veryfast"
+	encopts="-veryfast"
+	astc_fmt_array_offset=0
+	if [ "$i" = "ldrs" ]; then
+		switch="s"
+		astc_fmt_array_offset=14
+		#encopts+=" -srgb"
+		#decopts+=" -srgb"
+	elif [ "$i" = "ldrl" ]; then
+		switch="l"
+	else
+		decopts+=" -hdra"
+		encopts+=" -hdra"
+	fi
+
+	# Generate all the block configurations.
+	for n in $(seq 0 13); do
+		failed=0
+		blk=${Blk[$n]}
+		outFileHead=${inFileHead}-$blk
+		outDirC=$compressed_dir/$i/$blk
+		outDirD=$decompressed_dir/$i/$blk
+		mkdir -p $outDirD $outDirC
+
+		# Generate all the Level of Details
+		for lod in $(seq 0 $MAX_LEVEL); do
+
+			# Choose the right base file
+			inFile=${inFileHead}-${lod}.jpg
+
+			# Setup output files
+			outFile=${outFileHead}-$lod
+			outFileA=$outDirC/${outFile}.astc
+			outFileCK=$outDirC/${outFile}.ktx
+			outFileK=$outDirD/${outFile}.ktx
+
+			# Create an ASTC from the input file.
+			$encoder -c$switch $inFile $outFileA $blk $encopts > /dev/null
+			if [ ! -e "$outFileA" ]; then
+				echo "ASTC file not created! $outFileA"
+				echo "$encoder -c$switch $inFile $outFileA $blk $encopts > /dev/null"
+				failed=1
+				break
+			fi
+
+			# Create a KTX from the ASTC.
+			$encoder -d$switch $outFileA $outFileK $decopts > /dev/null
+			if [ ! -e "$outFileK" ]; then
+				echo "KTX (RGB) file not created! $outFileA"
+				echo "$encoder -d$switch $outFileA $outFileK $decopts > /dev/null"
+				failed=1
+				break
+			fi
+
+			# Mali-decompressed HDR ASTCs have the wrong glInternalFormat; correct this.
+			if [ "$i" = "hdr" ]; then
+				$ktx_fix $outFileK > /dev/null
+			fi
+
+			# Wrap the compressed ASTC in a KTX.
+			$ktx_gen $outFileA $outFileCK ${ASTC_2D_Enum[($n + $astc_fmt_array_offset)]} > /dev/null
+			if [ ! -e "$outFileCK" ]; then
+				echo "KTX (ASTC) file not created! $outFileA"
+				echo "$ktx_gen $outFileA $outFileCK ${ASTC_2D_Enum[($n + $astc_fmt_array_offset)]} > /dev/null"
+				failed=1
+				break
+			fi
+
+			# Delete the ASTC.
+			rm $outFileA
+		done
+
+		# Generate a mipmap from all the miplevel KTXs.
+		if [ $failed -eq 0 ]; then
+			$mip_gen $outDirC/ ../${outFileHead}.ktx
+			$mip_gen $outDirD/ ../${outFileHead}.ktx
+			if [ ! -e "$outDirC/../${outFileHead}.ktx" ]; then
+				echo "$mip_gen $outDirC/ ${inFileHead}.ktx"
+			fi
+
+			# Delete the miplevels KTXs.
+			rm -rf $outDirC $outDirD
+		fi
+	done
+		
+done
+
+# Delete each level of detail
+for lod in $(seq 0 $MAX_LEVEL); do
+	rm ${inFileHead}-${lod}.jpg
+done