Add ktx

2026-06-14 19:09:18 +01:00
parent 14bd1a9271
commit 13fa90a0e9
3958 changed files with 999286 additions and 4 deletions
@@ -0,0 +1,74 @@
+#! /bin/bash
+# -*- tab-width: 4; -*-
+# vi: set sw=2 ts=4:
+
+# Regenerate the ktx2 files with the KTX icons.
+
+# Copyright 2017 The Khronos Group Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+# Depth of this script relative to the project root
+depth=../..
+
+# This script will only work with my arrangement of workareas unless you change
+# the following to what is correct for yours.
+ktxspec_dir=../../../KTX-Specification
+
+# Change dir to the testimages folder, the script location...
+cd $(dirname $0)
+
+# Ensure generation is not polluted by user environment
+unset TOKTX_OPTIONS
+
+function usage() {
+  echo "Usage: $0 [--bindir <path/to/tools/bindir>]"
+  exit 1
+}
+
+function check_exec() {
+  if [ -z "$1" -o ! -x "$1" ]; then
+    echo "$0: $1 not found."
+    exit 1
+  fi
+}
+
+if [ "$1" = "--bindir" ]; then
+  shift
+  if [ $# -eq 1 ]; then
+    bindir=$1
+    toktx=$bindir/toktx
+    shift
+    check_exec $toktx
+  else
+    usage
+  fi
+fi
+
+if [ $# -gt 0 ]; then
+  usage
+fi
+
+function check_path() {
+  if which $1 >/dev/null; then
+    #declare -g $1="$1"  # For recent versions of bash.
+    eval "$1=\$1"
+  else
+    echo "$1 not found in $PATH."
+    exit 1
+  fi
+}
+
+if [ -z "$toktx" ]; then
+  check_path toktx
+fi
+
+# Generate ktx2 files of KTX icons.
+
+# These commands will only work with my arrangement of workareas.
+$toktx --test --genmipmap --bcmp -scale 0.5 ../webgl/libktx-webgl/ktx_app_basis.ktx2 $ktxspec_dir/icons/png/ktx_app.png
+$toktx --test --uastc --uastc_rdo_l 5.0 --resize 1000x1392 ../webgl/libktx-webgl/ktx_document_uastc_rdo5.ktx2 $ktxspec_dir/icons/png/ktx_document.png
+$toktx --test --genmipmap -bcmp ktx_document_basis.ktx2 $ktxspec_dir/icons/png/ktx_document.png
+# threads 1 here is to avoid non-determism in the RDO processing.
+# Hopefully a fix will be forthcoming.
+$toktx --test --genmipmap --threads 1 --uastc --uastc_rdo_l 4 --zcmp 5 ktx_document_uastc_rdo4_zstd5.ktx2 $ktxspec_dir/icons/png/ktx_document.png
+