Advance WebGPU volume and bounded workflows

tools/vdb/build-native-tools.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repo_root=$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)
+build_dir=${VDB_TOOLS_BUILD_DIR:-"$repo_root/build_vdb_tools"}
+openvdb_root=${OPENVDB_ROOT:-/home/mes123456/working/build_oiio_deps/Release/openvdb}
+tbb_root=${TBB_ROOT:-/home/mes123456/working/build_oiio_deps/Release/tbb}
+
+cmake -S "$repo_root/tools/vdb" -B "$build_dir" \
+  -DOPENVDB_ROOT="$openvdb_root" \
+  -DTBB_ROOT="$tbb_root" \
+  -DCMAKE_BUILD_TYPE=Release
+cmake --build "$build_dir" --parallel "${VDB_BUILD_JOBS:-4}"
+
+"$build_dir/vdb_to_nanovdb" --help
+printf 'vdb-native-tools-ok build=%s\n' "$build_dir"