[Webkit-unassigned] [Bug 261069] Safari 17 Beta: Output of WebGL Offscreen Canvases vertically mirrored when copying to a BitmapRenderer context when premultipliedAlpha is set to false

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Sep 3 13:50:37 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=261069

Alexey Proskuryakov <ap at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.webkit.org/sho
                   |                            |w_bug.cgi?id=259306
            Summary|Safari 17 Beta displays     |Safari 17 Beta: Output of
                   |output of Webgl Offscreen   |WebGL Offscreen Canvases
                   |Canvases vertically         |vertically mirrored when
                   |mirrored when copying to a  |copying to a BitmapRenderer
                   |BitmapRenderer context when |context when
                   |premultipliedAlpha is set   |premultipliedAlpha is set
                   |to false.                   |to false
                 CC|                            |ap at webkit.org,
                   |                            |djg at apple.com,
                   |                            |mattwoodrow at apple.com

--- Comment #1 from Alexey Proskuryakov <ap at webkit.org> ---
Bug 259306 was supposed to be fixed in recent betas.

However, I cannot reproduce this, the test case looks the same as in Chrome and in Firefox. Could you please add more information, such as your hardware model and exact OS build?

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