Nightly 58 x64 20171010220102 de_DE @ Debian Testing (KDE, Radeon RX480) gpu process + layers force accel + webrender (without webrendest) iframes fine, divs not: * blur jumps * these are invisible at some point: drop-shadow, hue-rotate, opacity, saturate https://www.servoexperiments.com/experiments/test-filters/

I ran mozregression vice versa. prefs: layers force accel + webrender + webrendest good = broken (comment 0) bad = now (mostly fixed) > 13:27.58 INFO: Last good revision: 8ad5d399ad84ce019270a2174cfb6016ab2d6c45 > 13:27.58 INFO: First bad revision: feb6c81d3a2a024c9a0cdd523c436a0e3b7fe983 > 13:27.58 INFO: Pushlog: > https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=8ad5d399ad84ce019270a2174cfb6016ab2d6c45&tochange=feb6c81d3a2a024c9a0cdd523c436a0e3b7fe983 (In reply to Jan Andre Ikenmeyer [:darkspirit] from comment #0) > iframes fine, divs not: > * blur jumps > * these are invisible at some point: drop-shadow, hue-rotate, opacity, saturate These got fixed. bug 1406183 improved this *drastically*. The last problem I perceive is with the "contrast div": The last moment when it's returning from grey to the original image is not smooth. It jumps from light grey to bright original image.

(In reply to Jan Andre Ikenmeyer [:darkspirit] from comment #1) > I ran mozregression vice versa. prefs: layers force accel + webrender + > webrendest > good = broken (comment 0) > bad = now (mostly fixed) You can use the --find-fix flag so that you don't have to do mental gymnastics to invert the meaning of good and bad :) > The last problem I perceive is with the "contrast div": The last moment when > it's returning from grey to the original image is not smooth. It jumps from > light grey to bright original image. I filed https://github.com/servo/webrender/issues/1854 about this.

Let's mark this as a duplicate of bug 1406183 and track the contrast() issue in bug 1408116.