test-gem5-graphics

#!/usr/bin/env bash
# Quick and dirty implementation, relies on configs.
# Check that the third image matches a reference penguin SHA.
# https://softwarerecs.stackexchange.com/questions/9774/command-line-tool-to-check-whether-two-images-are-exactly-the-same-graphically/9779#9779
set -eux
rm -rf "$(./getvar "$@" m5out_dir)/frames_system.vncserver"
./run --eval 'm5 exit' --tmux "$@" -- --frame-capture
gz="$(echo "$(./getvar m5out_dir)/frames_system.vncserver/fb.000002."*.gz)"
png="${gz%.*}"
gunzip --keep "$gz"
[ "$(identify -format '%#' "$png")" = dc41b947487026acdceae8a757259d5a1a4752fd97c1da9ce6df9b49013babed ]