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Honor mask extrude thickness beyond paint depth - #667
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leonardoaraujosantos merged 1 commit intoSep 29, 2026
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Covers the twenty PRs since v0.120.1 (#655, #667-#669, #673-#688), ABI minors 0.121.0 through 0.126.0, and the scene format minor 19 -> 20. The device gate block is a placeholder until the iPad run is recorded. Carries the four manual hardware gates forward as waivers at 4401b35: the only kernel-relevant change since 59e42cc is #680's per-brick cull band in include/clay/eval/bake_volume.h, which changes what a brick compiles, not kernel arithmetic, and the parity corpus is unchanged.
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Covers the twenty PRs since v0.120.1 (#655, #667-#669, #673-#688), ABI minors 0.121.0 through 0.126.0, and the scene format minor 19 -> 20. The device gate block is a placeholder until the iPad run is recorded. Carries the four manual hardware gates forward as waivers at 4401b35: the only kernel-relevant change since 59e42cc is #680's per-brick cull band in include/clay/eval/bake_volume.h, which changes what a brick compiles, not kernel arithmetic, and the parity corpus is unchanged.
leonardoaraujosantos
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Covers the twenty PRs since v0.120.1 (#655, #667-#669, #673-#688), ABI minors 0.121.0 through 0.126.0, and the scene format minor 19 -> 20. The device gate block is a placeholder until the iPad run is recorded. Carries the four manual hardware gates forward as waivers at 4401b35: the only kernel-relevant change since 59e42cc is #680's per-brick cull band in include/clay/eval/bake_volume.h, which changes what a brick compiles, not kernel arithmetic, and the parity corpus is unchanged.
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…tter CyberdyneCorp#667 anchored the mask to the source surface by projecting every field sample along a six-tap central-difference gradient, so each sample called the source seven times. The v0.126.0 device gate measured mask_extrude 5.1-6.9x slower and the gallery's mask_extract 6.2x. The gradient now comes from the sample lattice: a central difference of the distances one cell either side, taken from the window of bricks the fill already evaluated. Only a neighbour outside the window calls the source, at the exact lattice position its own brick samples, so shared halo samples stay bit-equal across brick faces. The projection is also skipped where the shell alone decides the stored value: where it exceeds a max-pyramid bound on what the mask distance can report within |distance| of the sample (by the quadratic blend's support when border_round is set), and in bricks lying wholly beyond the band. The skip is exact, and tests hold it bit-identical to projecting every sample. Source calls per lattice sample on the device fixture: 7 -> 1.009.
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Summary
Regression coverage
git diff --check.Fixes #660. ClaySpaceDesktop#178 can remove its documented cap and pin the next ClayCore release after this lands.