blink::PaintPropertyTreeBuilder
Blink28610 Okt 2025

blink::PaintPropertyTreeBuilder

builds/updates paint property trees.

Consumes the layout/fragment data and produces the four paint property trees (Transform, Clip, Effect, Scroll) for the current frame. These trees encode coordinate systems, clipping, visual effects, and scrolling in a way that can be reused across frames and mapped into cc. (Chromium Git Repositories)

Key idea
It decides when nodes change values vs. structure (important for fast paths like “directly update compositor node”), and prepares the property state used to key paint chunks later. (Chromium Git Repositories)

Hands off to: the actual recording of display items with property‑tree state.

Episoder(397)

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Blink Paint Property Trees: Construction and Lifecycle Phases

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Chromium's LayerTreeHostClient: The Compositing Bridge

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Paint Artifact Compositor: Blink's Rendering Bridge

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CSS Ink Overflow: Definition, Effects, and Clipping

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Blink’s CSS Bucketing and Style Resolution Optimization

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The provided source offers a highly detailed internal technical analysis of CSS "bucketing" within Chrome's Blink engine, which is the mechanism used to optimize CSS style matching by partitioning rul...

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