Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 9b9a6b01499fb3a138593c7a476744d421e3952b
      
https://github.com/WebKit/WebKit/commit/9b9a6b01499fb3a138593c7a476744d421e3952b
  Author: Etienne Segonzac <[email protected]>
  Date:   2026-06-11 (Thu, 11 Jun 2026)

  Changed paths:
    A 
LayoutTests/model-element/gpup/stagemode-orbit-resumes-after-reload-expected.txt
    A LayoutTests/model-element/gpup/stagemode-orbit-resumes-after-reload.html
    M Source/WebKit/Shared/Model/WKStageModeOrbitSimulator.h
    M Source/WebKit/Shared/Model/WKStageModeOrbitSimulator.swift
    M Source/WebKit/WebProcess/Model/WebModelPlayer.mm

  Log Message:
  -----------
  WebModelPlayer should restore stageMode when reloaded
https://bugs.webkit.org/show_bug.cgi?id=316851
<rdar://179249565>

Reviewed by Mike Wyrzykowski.

Update `WebModelPlayer::reload` to restore the stageMode value too.

Test: model-element/gpup/stagemode-orbit-resumes-after-reload.html

* 
LayoutTests/model-element/gpup/stagemode-orbit-resumes-after-reload-expected.txt:
 Added.
* LayoutTests/model-element/gpup/stagemode-orbit-resumes-after-reload.html: 
Added.
Introduce a new test covering this change. It's specific to the GPUP
implementation.

* Source/WebKit/Shared/Model/WKStageModeOrbitSimulator.h:
* Source/WebKit/Shared/Model/WKStageModeOrbitSimulator.swift:
(WKStageModeOrbitSimulator.setCurrentYaw(_:pitch:)):
Introduce a method to seed the WKStageModeOrbitSimulator with restored
pitch / yaw values.

* Source/WebKit/WebProcess/Model/WebModelPlayer.mm:
(WebKit::WebModelPlayer::handleMouseDown):
(WebKit::WebModelPlayer::reload):
Seed the `WKStageModeOrbitSimulator` with pitch / yaw values to avoid
jumps when orbiting a reloaded model.

Canonical link: https://commits.webkit.org/315026@main



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