Files
hyperframes/docs/guides
Vance IngallsandClaude Sonnet 5.5 79b57ab12d feat: automatic tier, 240°/32 defaults, check finding, and Studio stops opting out (#6108)
* feat: check names the filter fallback, the render log names the tier, Studio stops opting out

hyperframes check reports motion_blur_filter_fallback (info) with the reason capture could not
run and the way back to it. The engine's per-session log line gains tier=, and its pixel test
covers the fallback over a WebGL page. Studio no longer sends previewMotionBlur: every Chrome
can preview blur now, through the fallback where it lacks html-in-canvas; the server still
accepts false from an older Studio.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

* feat(core): blur picks the cheaper filter tier when every mover only translates

The scan now notes whether any mover turns or scales (the linear part of its transform chain
changes) and whether it already forms a stacking context while it moves. When every mover only
translates, the filter tier draws as well as capture and costs about what no blur costs: on an
8 s bench shot a render took 7.0 s against 9.9 s with capture and 7.3 s with no blur. Anything
that turns or scales, or moves without a transform, stays on capture.

data-motion-blur-tier="capture" or "filter" forces a tier. The report says which one drew
and why (translation-only, tier-attribute); hyperframes check stays quiet for those two, which
are choices, not fallbacks. The pixel tests run the shared assertions through both tiers.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

* docs(motion-blur): the two tiers, the tier attribute, and what changed in limits

The guide described blur turning off for WebGL, a root transform and similar. It now says the
filter tier draws instead, how the tier is chosen and forced, what each does with a turn or a
zoom, the measured cost of each, and which findings check emits. The skill note drops the
off-for-WebGL advice and the 1.7x figure.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

* feat(core): blur defaults match a 240 degree shutter and at least 32 samples

The shutter opens 240 degrees by default (was 180) and each mover gets at least 32 taps (was
sized to the smear alone, down to 2), growing with the smear as before. These are the settings
the shutter blur Jake built uses; on the card whip the default render is now 51 dB from his
(34.6 dB at the old defaults). The guide's attribute table says so.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

* chore(core): trim tier.ts comments to the ratchet

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

* chore: allow deleting the Studio previewMotionBlur render test

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

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Co-authored-by: Claude Sonnet 5.5 <noreply@anthropic.com>
2026-10-23 14:20:17 -07:00
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