VolkerE has uploaded a new change for review. ( 
https://gerrit.wikimedia.org/r/404608 )

Change subject: PanelLayout: Remove buggy `translateZ` performance hack
......................................................................

PanelLayout: Remove buggy `translateZ` performance hack

Promoting to GPU as general approach introduced in
Ie8b99bf84dc71b4f6a50b441bf0a6f5a11050eff has lead to several
rendering glitches as side-effect.
Let's remove it and use it only on specific instances.

Bug: T158610
Bug: T185051
Change-Id: I87b2e027478e6c040deb31f248f4cdf90b671f7e
---
M src/styles/layouts/PanelLayout.less
M src/themes/apex/layouts.less
M src/themes/wikimediaui/layouts.less
3 files changed, 0 insertions(+), 17 deletions(-)


  git pull ssh://gerrit.wikimedia.org:29418/oojs/ui refs/changes/08/404608/1

diff --git a/src/styles/layouts/PanelLayout.less 
b/src/styles/layouts/PanelLayout.less
index 1a6d4e8..9dbf409 100644
--- a/src/styles/layouts/PanelLayout.less
+++ b/src/styles/layouts/PanelLayout.less
@@ -5,7 +5,6 @@
 
        &-scrollable {
                overflow: auto;
-               .oo-ui-force-gpu-composite-layer();
        }
 
        &-expanded {
diff --git a/src/themes/apex/layouts.less b/src/themes/apex/layouts.less
index 75ded09..032c6d4 100644
--- a/src/themes/apex/layouts.less
+++ b/src/themes/apex/layouts.less
@@ -190,14 +190,6 @@
        &-padded&-framed {
                margin: 1em 0;
        }
-
-       // Support Safari (Webkit), see T176837:
-       // When promoted to GPU composite layer through
-       // `.oo-ui-force-gpu-composite-layer()` while not applying a 
`background-color`
-       // results in blurry text
-       &-scrollable {
-               background-color: @background-color-main;
-       }
 }
 
 .theme-oo-ui-tabPanelLayout () {}
diff --git a/src/themes/wikimediaui/layouts.less 
b/src/themes/wikimediaui/layouts.less
index c4a944d..c49adce 100644
--- a/src/themes/wikimediaui/layouts.less
+++ b/src/themes/wikimediaui/layouts.less
@@ -251,14 +251,6 @@
        &-padded&-framed {
                margin: 1em 0;
        }
-
-       // Support Safari (Webkit), see T176837:
-       // When promoted to GPU composite layer through
-       // `.oo-ui-force-gpu-composite-layer()` while not applying a 
`background-color`
-       // results in blurry text
-       &-scrollable {
-               background-color: @background-color-base;
-       }
 }
 
 .theme-oo-ui-tabPanelLayout () {}

-- 
To view, visit https://gerrit.wikimedia.org/r/404608
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: I87b2e027478e6c040deb31f248f4cdf90b671f7e
Gerrit-PatchSet: 1
Gerrit-Project: oojs/ui
Gerrit-Branch: master
Gerrit-Owner: VolkerE <volke...@wikimedia.org>

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