filament/tools/diffimg/tests/config_shift.json at ma/entitymanager - filament - GitScarf

Scarfski/filament

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Powei Feng 541a4feae1 imgdiff: add positional and frequency robustness parameters (#9822 )

- Introduce `shiftRadius` to allow positional tolerances by searching
  a local neighborhood, absorbing sub-pixel shifts and MSAA quirks.
- Introduce `blurRadius` to apply local area averaging, ignoring
  high-frequency noise like hardware dithering.
- Enhance `ImageDiffResult` to include an `averageError` array and
  a 10-bin `errorHistogram` for actionable failure debugging.
- Update Android JNI bindings (`ImageDiff.java` and `ImageDiff.cpp`)
  to propagate the new error distribution statistics to Java callers.
- Update C++ unit tests to cover the new heuristic options.
- Document the new parameters and JSON result format in README.md.
- Add synthetic image generation tests in `tools/diffimg/tests/` to
  validate the CLI tool's handling of spatial shifts and dithering.

2026-03-25 00:31:18 +00:00

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 {
     "mode": "LEAF",
     "maxAbsDiff": "0.01",
     "shiftRadius": 1,
     "blurRadius": 0
 }