[Webkit-unassigned] [Bug 240865] [GTK] Webpages completely slow down when CSS blur filter is in use

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Jun 12 01:56:56 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=240865

--- Comment #7 from Miguel Gomez <magomez at igalia.com> ---

> - In theory, we should be sampling as many pixels in each direction as the
> radius, but we're not doing so. We are always sampling 10 pixels in each
> direction (defined in GaussianKernelHalfWidth, which is 11 but it includes
> the target pixel, so it means 10 really). This means that we sample 10
> pixels, the original pixel and then another 10 pixels, and this happens in
> both passes, so it's done horizontally and vertically.

I mean 10 pixels to each side of the target pixel. So 10 to the left and 10 to the right.

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