[Webkit-unassigned] [Bug 136482] Filters have weird clipping on compositing tile borders

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=136482


Lutz <lveith at t-online.de> changed:

           What    |Removed                     |Added
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 Attachment #238715|0                           |1
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--- Comment #6 from Lutz <lveith at t-online.de>  2014-09-26 07:51:27 PST ---
Created an attachment (id=238717)
 --> (https://bugs.webkit.org/attachment.cgi?id=238717&action=review)
when a html-element is larger as the screen, than the drawing of th html-element is getting irritated by the standard-copositing-border-matrix

when a html-element is larger as the screen, than the drawing of th html-element is getting irritated by the standard-copositing-border-matrix

when a html-element is larger (height or width) as the screen, than the drawing of th html-element (with an svg-filter applied) is getting irritated by the standard-copositing-border-matrix.
The workarounds (to get separate Layer with) did not helps when element is bigger than screen, because compositing gets than again the standard-matrix(tile-size).
Example-Workarounds which did not help in this case:
-webkit-transform: matrix3d(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1) translate3d(0, 0, 0);
-webkit-transform: scale(1);
-webkit-transform: translateZ(0);
-webkit-backface-visibility: hidden;

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