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3760c722
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2025-09-09T10:50:15
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FrameCapture: Add compare_trace_screenshots.py fuzz_ab command
Also add `compare_with_fuzz_factors()` and `get_common_files()` helper
functions to avoid code duplication.
Bug: b/294882956
Change-Id: Ibc12df0ec033db502930e8a7ea3b7be8b17a79b3
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6932073
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Cody Northrop <cnorthrop@google.com>
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dce03998
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2025-09-09T15:38:25
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FrameCapture: Add discard_zero_diff_png argument
... into the "compare_trace_screenshots.py".
Bug: b/294882956
Change-Id: I639e842d36c5f0b5233ad8f7855e9381743078be
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6932072
Commit-Queue: Cody Northrop <cnorthrop@google.com>
Reviewed-by: Cody Northrop <cnorthrop@google.com>
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238eaf1d
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2025-09-09T15:14:02
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FrameCapture: Fix ignoring compare_trace_screenshots.py --log
Bug: b/294882956
Change-Id: I1e281b058c2f09f0dca3ce76648e385a3b443f0a
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6932071
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Cody Northrop <cnorthrop@google.com>
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4ee596cc
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2025-09-09T10:43:41
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FrameCapture: Fix compare_trace_screenshots.py versus_native
... when not using `--trace-list-path` argument.
Also fix missing `--screenshot-dir ` argument in "README.md".
Bug: b/294882956
Change-Id: Ie69707e4ad97f69182f7635fdd52e1576136f483
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6932070
Reviewed-by: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Igor Nazarov <i.nazarov@samsung.com>
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98e351cf
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2023-08-16T15:22:37
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Traces: Update steps for upgrading traces
We've settled on a streamlined method of upgrading traces.
We consider the upgraded trace good if:
- gets the same pixels for all frames, including after Reset
- gets the same frame time and memory usage (or better)
This moves away from using serialization, which is useful, but has
become too heavyweight. We've preserved the steps as they are
still useful in some scenarios.
Also formalize a couple of scripts we've been using to compare
trace screenshots.
It supports two scenarios:
- comparing screenshots between ANGLE and native
- verifying screenshots after an upgrade
Example usages:
compare_trace_screenshots.py versus_upgrade \
--before <path> --after <path> --outdir <path>
compare_trace_screenshots.py versus_native \
--screenshot-dir /tmp/screenshots
--trace-list-path src/tests/restricted_traces
Bug: b/294882956
Change-Id: Ifc59d8b31648abb3614da2d8919a1f90a0b6b68f
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4791916
Auto-Submit: Cody Northrop <cnorthrop@google.com>
Commit-Queue: Roman Lavrov <romanl@google.com>
Reviewed-by: Roman Lavrov <romanl@google.com>
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