#!/bin/sh

usage () {
	cat <<EOF>&2
Usage: ${0##*/} WIN_EXE PARAMS"

Run Wine application while displaying FPS onscreen.

EOF
}

[ $# -eq 0 ] && usage && exit 1
[ "$1" = "-h" ] && usage && exit
[ "$1" = "--" ] && shift

if ! command -v osd_cat >/dev/null 2>&1; then
	echo >&2 "osd_cat not found"
	exit 1
fi

## The unbuffered option is -u on GNU and OpenBSD, -l on others.
OPT_UNBUF=-l
case "$(uname)" in
Linux|OpenBSD) OPT_UNBUF=-u ;;
esac

WINEDEBUG=fps wine "$@" 2>&1 | tee /dev/stderr | \
	sed $OPT_UNBUF -n '/^trace:fps:/{s/.* \([^ ]*\)fps/\1/;p}' | \
	osd_cat -l1 -f  "-*-*-*-*-*-*-32-*-*-*-*-*-*-*" -O1 -c "yellow"