[Webkit-unassigned] [Bug 229986] WebGL Canvas will not update when using putImageData with small area update.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=229986

Kimmo Kinnunen <kkinnunen at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |sabouhallawa at apple.com

--- Comment #6 from Kimmo Kinnunen <kkinnunen at apple.com> ---
Thanks for the report!
I did a layout test for this, but not a fix yet.

After the first update, the putImageData is buggy due to some shortcutting that is visible to getImageData but is not visible when reading with WebGL. Probably related to flushes and the fact that putImageData puts the data into the memory area past CG context bookkeeping.

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