Add Chromium-only Blender WebEngine parity work

blender-5.2.0/release/bin/blender-launcher

@@ -0,0 +1,50 @@
+#!/bin/sh
+BF_DIST_BIN=$(dirname "$(readlink -f "$0")")
+BF_PROGRAM="blender"
+
+# Attempt to preload system TBB library if it is newer than the one we bundled.
+# This solves problems with the Intel ray-tracing library using this newer TBB
+# while Blender is already using an older one.
+
+# Library name with major version that we needed.
+BF_TBB_LIB_NAME=$(readlink ${BF_DIST_BIN}/lib/libtbb.so)
+
+if [ -n "$BF_TBB_LIB_NAME" ]; then
+	BF_TBB_LIB_NAME=$(basename $BF_TBB_LIB_NAME)
+	# Get absolute path from LD_DEBUG output trying to preload this library.
+	# We have not found a better alternative that takes into account LD_LIBRARY_PATH.
+	BF_TBB_LD_OUTPUT=$(LD_DEBUG=versions LD_PRELOAD="$BF_TBB_LIB_NAME" /bin/true 2>&1 >/dev/null)
+	BF_TBB_LIB_PATH=$(echo "$BF_TBB_LD_OUTPUT" |
+		grep "calling init:" |
+		grep "$BF_TBB_LIB_NAME" |
+		(sed -n "s/.*calling init: \([^[:space:]]\+\).*\/$BF_TBB_LIB_NAME$/\1/p" 2>/dev/null))
+fi
+
+if [ -n "$BF_TBB_LIB_PATH" ]; then
+	# If the library exists, compare its version to the one we bundle.
+	BF_TBB_SYSTEM_NAME=$(readlink $BF_TBB_LIB_PATH/$BF_TBB_LIB_NAME)
+	BF_TBB_BUNDLED_NAME=$(readlink $BF_DIST_BIN/lib/$BF_TBB_LIB_NAME)
+	if [ -n "$BF_TBB_SYSTEM_NAME" ] && [ -n "$BF_TBB_BUNDLED_NAME" ]; then
+		BF_TBB_SYSTEM_NAME=$(basename $BF_TBB_SYSTEM_NAME)
+		BF_TBB_BUNDLED_NAME=$(basename $BF_TBB_BUNDLED_NAME)
+		BF_TBB_NEWEST_NAME=$(printf "%s\n%s\n" "$BF_TBB_SYSTEM_NAME" "$BF_TBB_BUNDLED_NAME" |
+			(sort -V 2>/dev/null) |
+			(tail -n 1 2>/dev/null))
+		# If the system TBB version is newer, preload it.
+		if [ "$BF_TBB_SYSTEM_NAME" = "$BF_TBB_NEWEST_NAME" ]; then
+			BLENDER_RESTORE_LD_PRELOAD=${LD_PRELOAD}
+			LD_PRELOAD=$BF_TBB_LIB_PATH/$BF_TBB_LIB_NAME:${LD_PRELOAD}
+			export BLENDER_RESTORE_LD_PRELOAD
+			export LD_PRELOAD
+		fi
+	fi
+fi
+
+# Add own lib folder first, because Steam or other environments may set an
+# $LD_LIBRARY_PATH that has priority over the run-path in the Blender executable,
+# but contains incompatible libraries.
+LD_LIBRARY_PATH=${BF_DIST_BIN}/lib:${LD_LIBRARY_PATH}
+
+export LD_LIBRARY_PATH
+
+exec "$BF_DIST_BIN/$BF_PROGRAM" "$@"