Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 8aeb753000fcb36dd07c9735aff7a7fc5a24f9d3
      
https://github.com/WebKit/WebKit/commit/8aeb753000fcb36dd07c9735aff7a7fc5a24f9d3
  Author: Zak Ridouh <[email protected]>
  Date:   2025-05-01 (Thu, 01 May 2025)

  Changed paths:
    M Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.mm

  Log Message:
  -----------
  Limit number of changed layers committed in transactions to CoreAnimation
https://bugs.webkit.org/show_bug.cgi?id=292352
rdar://142785652

Reviewed by Simon Fraser.

In some scenarios, we can end up committing an unreasonable number of 
changedLayers
in `RemoteLayerTreeDrawingAreaProxy::commitLayerTreeTransaction` to 
CoreAnimation,
which can cause some downstream pathologies with CoreAnimation and mach message 
size
limits. Limit it to a reasonable amount (`maxChangedLayers`) currently set to 
`1024 * 5 = 5120`.

This value can be tuned in the future.

* Source/WebKit/UIProcess/RemoteLayerTree/RemoteLayerTreeDrawingAreaProxy.mm:
(WebKit::RemoteLayerTreeDrawingAreaProxy::commitLayerTreeTransaction):

Canonical link: https://commits.webkit.org/294412@main



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