1. Fix gal-webgl.spec.ts sequential test:
- Wait for isReady() not just module existence
- Use .gl-canvas selector (same as individual tests)
- Increase timeout from 50ms to 100ms
- This fixes blank screenshots in full test runs
2. Fix test-gal-regression.sh comparison:
- Normalize PNG format before comparing (flatten + sRGB TrueColor)
- This handles RGBA vs RGB and palette differences
- gal-basic-lines now passes comparison (0.34% different)
Results after fixes:
- Native vs Baseline: PASSED (28/28)
- WebGL screenshots now capture actual rendered content
- gal-basic-lines matches native (first successful scenario!)
- Other scenarios have rendering differences to investigate
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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