140 lines
4.8 KiB
Bash
Executable file
140 lines
4.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Part of JoeyLib, Copyright (c) 2026 Scott Duensing, under the MIT License.
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# See LICENSE.md for license information.
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# SPDX-License-Identifier: MIT
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#
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# verify-be-display.sh - Display parity gate for a Be API port (haiku,
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# haiku32, beos): what the window shows must be the stage, at every window
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# scale and on the full screen.
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#
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# The golden hashes gate the stage, never the display. The Be backend copies
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# into its bitmap, and draws, only the rectangles that changed at each show,
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# so a stale or misplaced rectangle would never reach a hash. UBER's probe
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# build (make <port> builds it, into build/<port>/probe) ends with P13, the
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# battery the other display gates run, which after every step asks the
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# backend (hostBeProbeDisplayMismatch in src/hosted/be/beBackend.cpp) how many
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# pixels differ: the frame's against the stage, the bitmap's against the
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# frame, and the window as the shows left it against the window fully
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# repainted, both read back from the screen (BScreen::ReadBitmap). Every
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# count must be 0, and every pixel must have been compared: 64000 twice,
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# plus the window's (the size the probe logs).
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#
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# One VM boot (scripts/lib/beGate.sh) runs UBERPROB once a spec, with
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# JOEYLIB_SCALE / JOEYLIB_ASPECT / JOEYLIB_FULLSCREEN set as it asks.
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#
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# Usage: scripts/verify-be-display.sh [haiku|haiku32|beos] [SCALE[:square] | full]...
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# (default haiku; specs 1:square 2:square 3 full)
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# Requires: QEMU and the port's VM (install.sh install emulator:<port>);
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# build/<port>/probe/UBERPROB (make <port>).
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set -uo pipefail
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repo=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
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source "$repo/scripts/lib/joeyEnv.sh"
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source "$repo/scripts/lib/beGate.sh"
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port=${1:-haiku}
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shift || true
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label="verify-be-display ($port)"
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beNeed "$port"
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program=$repo/build/$port/probe/UBERPROB
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probeLine="UBER-PROBE: beDisplayMismatch"
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sizeLine="UBER-PROBE: beWindow"
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doneLine="UBER: press any key to exit"
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stagePixels=$((320 * 200))
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fullSpec=full
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bootSeconds=120
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runSeconds=120 # one probe run, start to done line
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defaults=(1:square 2:square 3 "$fullSpec")
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specs=("$@")
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[ ${#specs[@]} -gt 0 ] || specs=("${defaults[@]}")
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[ -x "$program" ] || { echo "$label: the probe build is missing; run: make $port" >&2; exit 2; }
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work=$(mktemp -d -t joeylib-be-display.XXXXXX)
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cleanup() {
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beStop
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rm -rf "$work"
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}
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trap cleanup EXIT
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# The job: each spec's run in a subshell of its own (its folder and
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# settings stay there), its log kept as log<N>.txt.
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mkdir -p "$work/job/UBERPROB"
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cp "$program" "$work/job/UBERPROB/UBERPROB"
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: > "$work/job/job.sh"
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n=0
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for spec in "${specs[@]}"; do
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if [ "$spec" = "$fullSpec" ]; then
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settings=(JOEYLIB_FULLSCREEN=1)
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elif [[ "$spec" =~ ^([0-9]+)(:square)?$ ]]; then
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settings=(JOEYLIB_SCALE="${BASH_REMATCH[1]}")
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[ -n "${BASH_REMATCH[2]}" ] && settings+=(JOEYLIB_ASPECT=square)
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else
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echo "$label: bad spec \"$spec\" (SCALE[:square] or $fullSpec)" >&2
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exit 2
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fi
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{
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printf '(\n'
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printf 'rm -f UBERPROB/joeylog.txt\n'
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beJobScript UBERPROB UBERPROB "$doneLine" "$runSeconds" "${settings[@]}"
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printf ')\n'
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printf 'cp UBERPROB/joeylog.txt log%s.txt\n' "$n"
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} >> "$work/job/job.sh"
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n=$((n + 1))
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done
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beJobDisk "$work/job.img" "$work/job"
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beStart "$work" "$work/job.img"
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if ! beWaitJob "$work" "$bootSeconds"; then
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echo "$label: FAIL - the VM did not start the job within ${bootSeconds} s" >&2
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exit 1
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fi
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if ! beWaitExit "$work" "$((runSeconds * ${#specs[@]} + 60))"; then
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echo "$label: FAIL - the runs did not finish" >&2
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exit 1
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fi
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fails=""
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passed=0
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# fail SPEC WHAT -- note a failed run; the gate goes on with the rest.
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fail() {
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echo "$label: FAIL - $1: $2"
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fails="${fails:+$fails; }$1"
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}
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n=0
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for spec in "${specs[@]}"; do
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log=$work/log$n.txt
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n=$((n + 1))
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beJobGet "$work/job.img" "log$((n - 1)).txt" "$log" || true
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row=$(grep -F "$probeLine" "$log" 2> /dev/null | tr -d '\r' | tail -1)
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size=$(grep -F "$sizeLine" "$log" 2> /dev/null | tr -d '\r' | tail -1)
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if [ -z "$row" ] || [ -z "$size" ]; then
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fail "$spec" "no \"$probeLine\" line"
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continue
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fi
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size=${size#*"$sizeLine" }
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w=${size%x*}
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h=${size#*x}
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want=$((2 * stagePixels + w * h))
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counts=${row#*"$probeLine" }
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echo "$label: $spec (${w}x${h}): $counts"
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bad=$(printf '%s\n' "$counts" | tr ' ' '\n' | grep '^after' | grep -v '=0$' | tr '\n' ' ')
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compared=$(printf '%s\n' "$counts" | sed -n 's/.*compared=\([0-9]*\).*/\1/p')
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if [ -n "$bad" ]; then
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fail "$spec" "pixels differ: $bad"
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elif [ "$compared" != "$want" ]; then
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fail "$spec" "compared $compared, want $want"
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else
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passed=$((passed + 1))
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fi
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done
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if [ -n "$fails" ]; then
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echo "$label: FAIL - $fails"
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exit 1
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fi
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echo "$label: PASS ($passed window sizes: every pixel shown matches the stage after every present)"
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