blink::TransformPaintPropertyNode / ClipPaintPropertyNode / EffectPaintPropertyNode / ScrollPaintPropertyNode
Blink28610 Okt 2025

blink::TransformPaintPropertyNode / ClipPaintPropertyNode / EffectPaintPropertyNode / ScrollPaintPropertyNode

These are the nodes within those four trees. Every piece of painted content (a “paint chunk”) is associated with a tuple of (Transform, Clip, Effect, Scroll) nodes—its PropertyTreeState. This precisely defines where and how to draw it and enables efficient partial updates. (Chromium Git Repositories)

What they carry (high‑value fields)

Change tracking Nodes track change types (PaintPropertyChangeType) so we can choose fast paths (e.g., update value without rebuilding topology). (Chromium Git Repositories)

Hands off to: painting/recording with GraphicsContext + PaintController.


Episoder(417)

Blink's ComputedStyle: An In-Depth Analysis

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[ext] Blink's Paint Property Tree Builder: A Surgical Tour of Dragons

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(Make it over 20000 words) source text provides an extremely detailed, technical overview of the blink::PaintPropertyTreeBuilder class in Chromium, which is responsible for building the rendering pipe...

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Blink's Paint Property Tree Builder: A Surgical Tour of Dragons

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The source text provides an extremely detailed, technical overview of the blink::PaintPropertyTreeBuilder class in Chromium, which is responsible for building the rendering pipeline's four synchronize...

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Chrome Compositor LayerTree Architecture and Input Handling

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The text provides a detailed overview of the architecture and function of Chrome's Compositor (cc) component, specifically focusing on the core data structures: LayerTree and LayerTreeImpl. It explain...

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viz::Display::DrawAndSwap

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In Chrome’s rendering pipeline, the Viz service in the GPU process owns a viz::Display object. A Display is responsible for taking aggregated CompositorFrames (produced by the SurfaceAggregator), draw...

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Chrome RenderingNG: Paint Artifact and Compositor Architecture

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source provides an extensive, lecture-style examination of Chrome’s RenderingNG pipeline, specifically focusing on the roles of the PaintArtifact and the PaintArtifactCompositor. The text explains tha...

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Browser Rendering: Calculating Draw Properties

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The source provides an extensive explanation of the internal browser rendering mechanism used in Blink and Chrome, specifically focusing on the CalculateDrawProperties algorithm. This process translat...

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