[Webkit-unassigned] [Bug 214817] [TextureMapper] Crashed in TextureMapperLayer::paintUsingOverlapRegions

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=214817

--- Comment #3 from Fujii Hironori <Hironori.Fujii at sony.com> ---
TextureMapperLayer::computeOverlapRegions has the following code:

>     boundingRect = m_layerTransforms.combined.mapRect(boundingRect);

This code calculates a tranformed bounding rect.
The original bounding rect was the the img size of thumbnail.
It was 187x132.
Then, it was transformed into 650749x156033.

Why does it apply 3d transform to calculate a overlap region?

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