FA-10687 / Rendering state / Member archive
Color write mask channelwise · case 02
Any enabled color channel causes the entire pixel to be overwritten.
Case contract
Old/new are four channels and mask contains four Booleans. Replace exactly the enabled channels.
Why this case matters
A deterministic software graphics stage with explicit channel and coordinate conventions; no hardware, device profile or API behavior is inferred.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| fixture 1 | [9, 8, 7, 6] | [9, 2, 7, 4] | Failed |
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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
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