[webkit-changes] [WebKit/WebKit] f994a1: Holepunch missing after video source change

[Miguel Gómez]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: f994a1b3e3dc9b3d2eae06e7464b0fd2fd70ce2c
      https://github.com/WebKit/WebKit/commit/f994a1b3e3dc9b3d2eae06e7464b0fd2fd70ce2c
  Author: Miguel Gomez <magomez at igalia.com>
  Date:   2022-09-16 (Fri, 16 Sep 2022)

  Changed paths:
    M Source/WebKit/Shared/CoordinatedGraphics/CoordinatedGraphicsScene.cpp

  Log Message:
  -----------
  Holepunch missing after video source change
https://bugs.webkit.org/show_bug.cgi?id=245135

Reviewed by Žan Doberšek.

When adopting the new state in the scene, invalidate the proxies that are not used anymore
before activating the new ones.

This fixes a situation where a layer's proxy is replaced with a new one. For this to work
properly, the old proxy needs to be invalidated before the new one is activated, or the
invalidation will clear the contentLayer that was set by the new proxy to the associated
TextureMapperLayer.

* Source/WebKit/Shared/CoordinatedGraphics/CoordinatedGraphicsScene.cpp:
(WebKit::CoordinatedGraphicsScene::updateSceneState):

Canonical link: https://commits.webkit.org/254548@main