[webkit-changes] [WebKit/WebKit] 7f5e13: [WPE][GTK] visible rect in case animations is not ...

[Przemyslaw Gorszkowski]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 7f5e13b548931728d17ece82336f183d868b55e4
      https://github.com/WebKit/WebKit/commit/7f5e13b548931728d17ece82336f183d868b55e4
  Author: Przemyslaw Gorszkowski <pgorszkowski at igalia.com>
  Date:   2024-10-07 (Mon, 07 Oct 2024)

  Changed paths:
    M Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp
    M Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.h

  Log Message:
  -----------
  [WPE][GTK] visible rect in case animations is not correctly calculated
https://bugs.webkit.org/show_bug.cgi?id=280612

Reviewed by Miguel Gomez.

For animations starting partially outside the viewport were not fully rendered when
the first frame entered the visible area. This caused incomplete or cut-off frames
during the initial stages of the animation. The issue was more noticeable on low-end
devices(RPi) or during slow-motion or frame-by-frame analysis of the recordings on x86.

With this change the visible rect is extended with the elements which are currently
not fully visible but they will be in a future bacause of animations.

Y* Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp:
(WebCore::CoordinatedGraphicsLayer::transformedVisibleRectIncludingFuture):
(WebCore::CoordinatedGraphicsLayer::updateContentBuffers):
(WebCore::CoordinatedGraphicsLayer::computeTransformedVisibleRect):
* Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.h:

Canonical link: https://commits.webkit.org/284757@main



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