[webkit-changes] [WebKit/WebKit] 4a1b2c: [GTK][Debug] ASSERTs on inspector tests

Vitaly Dyachkov noreply at github.com
Thu Mar 7 02:46:36 PST 2024


  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 4a1b2c8aedf261c714415790469da38d3dee7f38
      https://github.com/WebKit/WebKit/commit/4a1b2c8aedf261c714415790469da38d3dee7f38
  Author: Vitaly Dyachkov <vitaly at igalia.com>
  Date:   2024-03-07 (Thu, 07 Mar 2024)

  Changed paths:
    M Source/WebCore/inspector/agents/InspectorTimelineAgent.cpp

  Log Message:
  -----------
  [GTK][Debug] ASSERTs on inspector tests
https://bugs.webkit.org/show_bug.cgi?id=270447

Reviewed by Carlos Garcia Campos.

`InspectorTimelineAgent` uses a stack to store timeline records and
expects `pushCurrentRecord()`/`didCompleteCurrentRecord()` to be called
in the correct order.

But since frame rendering occurs more frequently than compositing,
associated records may be processed in the wrong order:

- push `TimelineRecordType::RenderingFrame`
- push `TimelineRecordType::Composite`
- complete `TimelineRecordType::RenderingFrame`
- complete `TimelineRecordType::Composite`

To prevent this, we must explicitly call `didComposite()` before pushing
a new `RenderingFrame` record, like it's done on Mac.

* Source/WebCore/inspector/agents/InspectorTimelineAgent.cpp:
(WebCore::InspectorTimelineAgent::internalStart):

Canonical link: https://commits.webkit.org/275785@main



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