12.32 KB, image/png
1.33 KB, text/html
1.59 KB, patch
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46 bytes, text/x-phabricator-request
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I see a line and a dot below the magnifier icon, that looks part of the icon but shifted. The screenshot is self explanatory. I think it's some kind of rounding problem, due to the 26px height, any other value seems to work properly. I'm at 125% DPI setting on Windows 10.
We're having trouble reproducing this on Windows 10 and Mac, marco. Any more specific STRs?
I can reproduce just by setting the dpi to 125% and resizing the browser window vertically. BUT, you made me think it could be specific to my setup, and indeed it's a webrender bug, if I disable webrender it works correctly.
Component: Activity Streams: Newtab → Graphics: WebRender
Product: Firefox → Core
I also noticed this on my mac yesterday, I expect this is a dupe but I'm behind on bugmail so I'll assume this is the unique one until proven otherwise.
Priority: -- → P1
I can reproduce this on Mac. The icon in question is just a single svg icon. It's not part of a sprite sheet. This suggest that this bug is different from bug 1452337
Summary: Top search tiles' magnifier icon looks weird → Top sites search tiles' magnifier icon looks weird
Assignee: nobody → emilio
mozregression --good 2018-01-15 --bad 2018-08-27 --pref gfx.webrender.all:true -a https://bug1486377.bmoattachments.org/attachment.cgi?id=9007038 > 12:39.53 INFO: Last good revision: bd889e36b9370ff2e2faafb25c5db56a8f05a6da > 12:39.53 INFO: First bad revision: dd37857e52a137fd89bbe721fa610ec97a558a2d > 12:39.53 INFO: Pushlog: > https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=bd889e36b9370ff2e2faafb25c5db56a8f05a6da&tochange=dd37857e52a137fd89bbe721fa610ec97a558a2d > dd37857e52a1 Andrew Osmond — Bug 1435291 - Part 2. Make background SVGs use WebRender instead of fallback. r=jrmuizel
So it looks like this is caused by WebRender not supporting no-repeat. Here's the relevant part of the scene: item: Image(( image_key: ((3), 62), stretch_size: (62.400001525878906, 62.400001525878906), tile_spacing: (0, 0), image_rendering: Auto, alpha_type: PremultipliedAlpha, color: ( r: 1, g: 1, b: 1, a: 1, ), )), Afaict we don't have anything to prevent the image from repeating other than the stretch_size.
The take away here is that WebRender will give no-repeat semantics if stretch_size matches the destination rect size: i.e. if instead of: item: Image(( image_key: ((3), 62), stretch_size: (62.400001525878906, 62.400001525878906), ... info: ( rect: ((38, 38), (63, 63)), clip_rect: ((38, 38), (63, 63)), is_backface_visible: true, tag: None, ), we had item: Image(( image_key: ((3), 62), stretch_size: (63, 63), tile_spacing: (0, 0), ... info: ( rect: ((38, 38), (63, 63)), clip_rect: ((38, 38), (63, 63)), is_backface_visible: true, tag: None, ), then we'd get what we want. This doesn't seem like an entirely unreasonable thing for Gecko to provide.
I agree. So it sounds like Gecko needs to either snap both rects or none of them. I think snapping both is the less risky approach for now.
Stealing from Emilio. I should be able to implement this today.
Assignee: emilio → jmuizelaar
My first patch was garbage. Will need to do something more nuanced.
Comment on attachment 9007268 [details] Bug 1486377. Avoid repeat sampling when not wanted. r=mstange Markus Stange [:mstange] has approved the revision.
Attachment #9007268 - Flags: review+
Pushed by email@example.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/c1583f2f382b Avoid repeat sampling when not wanted. r=mstange
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