[Webkit-unassigned] [Bug 259306] REGRESSION (Safari 17 beta): WebGL contexts drawn into canvas contexts are upside-down when premultipliedAlpha is false

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=259306

--- Comment #4 from Dean Jackson <dino at apple.com> ---
Copying from the internal analysis:

https://commits.webkit.org/262518@main seems to be the cause.

And I assume it is the call to `readCompositedResults()` or `paintRenderingResultsToPixelBuffer()` that produces a NativeImage that is a different orientation to the one we'd get otherwise. They are always flipped when rendering into the 2D canvas.

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