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GeezerVison is showing github.com — libprocessing/.github/workflows/visual.yml at python-particle-api · processing/libprocessing

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name: Visual
# Renders tests/visual/cases.toml under lavapipe
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
types: [ opened, synchronize, reopened, labeled, unlabeled ]
permissions:
contents: read
actions: read
concurrency:
group: visual-${{ github.event.pull_request.number || github.sha }}
cancel-in-progress: true
env:
CARGO_TERM_COLOR: always
CARGO_INCREMENTAL: 0
CARGO_PROFILE_RELEASE_DEBUG: 0
WGPU_BACKEND: vulkan
WGPU_ADAPTER_NAME: llvmpipe
# Catch reads of uninitialized GPU memory instead of rendering whatever was there
LVP_POISON_MEMORY: "true"
# llvmpipe JITs for the host CPU
LP_NATIVE_VECTOR_WIDTH: "256"
ODIFF_VERSION: 4.5.0
jobs:
visual:
name: Visual regression
# Only re-run on label changes that involve the override label.
if: >-
github.event_name == 'push' ||
(github.event.action != 'labeled' && github.event.action != 'unlabeled') ||
github.event.label.name == 'deliberate-rendering-change'
runs-on: ubuntu-24.04
timeout-minutes: 90
steps:
- uses: actions/checkout@v4
with:
submodules: true
# PR checkouts are merge commits; HEAD^1 leads back to the main commit they're compared against.
fetch-depth: 2
persist-credentials: false
- uses: ./.github/actions/setup
- uses: ./.github/actions/install-mesa
- uses: astral-sh/setup-uv@v6
- name: Install xvfb and odiff
run: |
sudo apt-get install -y --no-install-recommends xvfb
npm install -g "odiff-bin@$ODIFF_VERSION"
- uses: actions/cache@v4
with:
path: |
~/.cargo/bin/
~/.cargo/registry/index/
~/.cargo/registry/cache/
~/.cargo/git/db/
target/
key: ${{ runner.os }}-cargo-visual-${{ hashFiles('**/Cargo.lock') }}
restore-keys: |
${{ runner.os }}-cargo-visual-
${{ runner.os }}-cargo-
- name: Render
run: xvfb-run -a -s "-screen 0 1920x1080x24" python3 tests/visual/visual.py render --out out/actual
- uses: actions/upload-artifact@v7
with:
name: visual-screenshots
path: out/actual
retention-days: ${{ github.event_name == 'push' && 90 || 14 }}
- name: Fetch baseline from main
if: github.event_name == 'pull_request'
env:
GH_TOKEN: ${{ github.token }}
run: |
# Stacked PRs merge onto their parents' merge commits, so compare against the main commit
# at the bottom of the stack rather than HEAD^1 itself.
sha=$(gh api "repos/$GITHUB_REPOSITORY/compare/main...$(git rev-parse HEAD^1)" --jq .merge_base_commit.sha)
latest() {
gh run list -R "$GITHUB_REPOSITORY" --workflow visual.yml --branch main --event push \
--commit "$sha" --limit 1 --json databaseId,status,conclusion --jq '.[0] // empty'
}
run=$(latest)
if [ -n "$run" ] && [ "$(jq -r .status <<< "$run")" != completed ]; then
id=$(jq -r .databaseId <<< "$run")
echo "Waiting for main's run $id to publish screenshots"
gh run watch "$id" -R "$GITHUB_REPOSITORY" --interval 30 > /dev/null || true
run=$(latest)
fi
if [ "$(jq -r '.conclusion // empty' <<< "$run")" = success ] &&
gh run download "$(jq -r .databaseId <<< "$run")" -R "$GITHUB_REPOSITORY" -n visual-screenshots -D out/baseline; then
echo "Using screenshots from main at $sha (run $(jq -r .databaseId <<< "$run"))"
else
echo "::notice::No screenshots published for main at $sha; cases are reported as new"
fi
- name: Compare
id: compare
if: github.event_name == 'pull_request'
env:
ALLOW_CHANGES: ${{ contains(github.event.pull_request.labels.*.name, 'deliberate-rendering-change') && '--allow-changes' || '' }}
run: |
mkdir -p out/baseline
python3 tests/visual/visual.py compare --baseline out/baseline --actual out/actual --out out/report $ALLOW_CHANGES
- uses: actions/upload-artifact@v7
id: report
if: always() && hashFiles('out/report/report.html') != ''
with:
path: out/report/report.html
archive: false
retention-days: 14
- name: Summarize
if: always() && hashFiles('out/report/summary.md') != ''
env:
PR_NUMBER: ${{ github.event.pull_request.number }}
REPORT_URL: ${{ steps.report.outputs.artifact-url }}
run: |
mkdir -p out/comment
{
cat out/report/summary.md
echo
echo "[Open the visual report]($REPORT_URL) · [workflow run]($GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID)"
} > out/comment/comment.md
cat out/comment/comment.md >> "$GITHUB_STEP_SUMMARY"
echo "$PR_NUMBER" > out/comment/pr
jq '[.results[] | select(.status != "pass")] | length > 0' out/report/results.json > out/comment/notable
- uses: actions/upload-artifact@v7
if: always() && hashFiles('out/comment/comment.md') != ''
with:
name: visual-comment
path: out/comment
retention-days: 1
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