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fix(core): rebind an attribute when its transition is removed - #11068
chrisgervang merged 3 commits into
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 [Medium impact] The PR appears safe to merge. SummaryRestores the original attribute binding when its transition is removed.
Reviews (3) · Last reviewed commit: "Merge branch 'master' into fix-core-rebi..." · Reviewed by Greptile |
chrisgervang
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chrisgervang
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Reviewed 26252ff; recommend approval. No P1s.
The fix is at the root cause: removing a transition changes the bound buffer, and the attribute now flags that change itself. In a scratch probe, master leaves a destroyed float32x4 buffer bound after transitions: null. This head binds instanceFillColors as unorm8x4 on ScatterplotLayer, ColumnLayer and a plain Model subclass. The new test fails without the fix.
Non-blocking: Older than this PR: GPUTransitionBase.delete() does not delete attributeInTransition, so each transition leaks one buffer. testLayer reports "1 Buffers" on master and here, and adding this.attributeInTransition.delete() there clears it. Could that be a separate follow-up?
Labels: P1 settle before this is merged, P2 can follow, Non-blocking optional.
| expect(manager.transitions.instanceSizes, 'transition is deleted').toBeFalsy(); | ||
| }); | ||
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| webglTest('AttributeTransitionManager#remove transition', () => { |
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Non-blocking: This test checks the flags. A testLayer case that removes transitions and checks the model's instanceFillColors layout would cover what users see. Could we add one?
Details
- Probe:
ScatterplotLayerwith agetFillColortransition, then{transitions: null, opacity: 0.7}. - It reads
model.bufferLayoutand checksdestroyedon the buffers inmodel.vertexArray.attributes.
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Added the Its |
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coverage: 83.317% (+0.003%) from 83.314% — mmporong:fix-core-rebind-attribute-after-transition-removal into visgl:master |
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3 participants
For #10963
Background
When
transitionsstops covering an attribute, the next layer update deletes the transition buffers but does not mark the attribute for redraw, so models keep the deletedfloat32x4buffer. On master, aColumnLayerfill model still holds the destroyed buffer after{transitions: null, opacity: 0.7}; with this change it bindsinstanceFillColorsagain asunorm8x4.The model regeneration case does not reproduce with
ColumnLayeron master, which usesGPUVectorModel. Layers on a plainModelmay still hit it; that is left out here.Change List
AttributeTransitionManager: rebind the attribute when its transition is removedAttribute: addsetLayoutChanged()for plainModellayoutsVerified with
vitest --project headless test/modules/core test/modules/layersandyarn lint.Note
Low Risk
Targeted bug fix in attribute transition cleanup that ensures proper buffer rebinding without altering core rendering pipelines.
Overview
Ensures layer models correctly rebind original attributes when an attribute transition is removed.
Previously, removing an active transition deleted its transition buffer without marking the underlying attribute for a redraw or layout update, leaving models bound to destroyed transition buffers with stale buffer formats (such as
float32x4instead ofunorm8x4).When an animated attribute transition is removed in
AttributeTransitionManager, the attribute is now marked withsetNeedsRedraw()and a newsetLayoutChanged()method onAttribute, prompting layers to update their model buffer layouts and rebind the attribute buffers.Reviewed by Cursor Bugbot for commit 10d6431. Bugbot is set up for automated code reviews on this repo. Configure here.