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Mask only applies to tiles overlapping the mask, not all overflowing content |
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Issue description
Put a file containing the following under LayoutTests/fast/backgrounds:
<!DOCTYPE html>
<style>
#mask {
width: 100px;
height: 100px;
-webkit-mask-box-image: url(resources/dot.png) 3;
}
#content {
width: 400px;
height: 400px;
background-color: green;
}
</style>
<div id="mask">
<div id="content"></div>
</div>
and open it in browser.
It looks like that the mask only applies to the tile overlapping the mask. The overflowing content outside of the tile is not masked.
A problem of visual rect? Cc rasterization?
,
Nov 8 2016
,
Nov 8 2016
This could be a dupe of http://crbug.com/617785
,
Nov 9 2016
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Comment 1 by wangxianzhu@chromium.org
, Oct 28 2016