Flash of white behind transitioning objects

RESOLVED FIXED in Firefox 48

Status

()

RESOLVED FIXED
3 years ago
2 years ago

People

(Reporter: jrmuizel, Assigned: mattwoodrow)

Tracking

({regression})

48 Branch
mozilla49
Unspecified
All
regression
Points:
---

Firefox Tracking Flags

(firefox47 unaffected, firefox48+ fixed, firefox49+ fixed)

Details

Attachments

(2 attachments)

(Reporter)

Description

3 years ago
Created attachment 8750004 [details]
2.html

When you hover over the orange square the blue rectangle doesn't fade in or out the same way as Chrome
(Reporter)

Comment 1

3 years ago
This is a regression. It works fine in Firefox 19
Keywords: regression, regressionwindow-wanted
OS: Unspecified → Mac OS X
(Reporter)

Comment 2

3 years ago
Looks like it was probably bug 1250718
(Reporter)

Updated

3 years ago
Keywords: regressionwindow-wanted
(Reporter)

Updated

3 years ago
Blocks: 1250718
(Reporter)

Updated

3 years ago
Flags: needinfo?(matt.woodrow)
(Reporter)

Comment 3

3 years ago
[Tracking Requested - why for this release]: A user visible regression from bug 1250718
tracking-firefox48: --- → ?
tracking-firefox49: --- → ?

Comment 4

3 years ago
It is black on windows10 w/ HWA. And I got a same regression window.
OS: Mac OS X → All
(Assignee)

Updated

3 years ago
Assignee: nobody → matt.woodrow
Flags: needinfo?(matt.woodrow)
(Assignee)

Comment 5

3 years ago
Created attachment 8750161 [details] [diff] [review]
Use effective opacity not local opacity for determining if a layer is opaque
Attachment #8750161 - Flags: review?(mstange)
Comment on attachment 8750161 [details] [diff] [review]
Use effective opacity not local opacity for determining if a layer is opaque

Review of attachment 8750161 [details] [diff] [review]:
-----------------------------------------------------------------

Please swap the role of red and green in the test.
Attachment #8750161 - Flags: review?(mstange) → review+
Tracking for 48 and 49.
status-firefox47: --- → unaffected
tracking-firefox48: ? → +
tracking-firefox49: ? → +

Comment 9

3 years ago
bugherder
https://hg.mozilla.org/mozilla-central/rev/d45ccd5d1e6e
Status: NEW → RESOLVED
Last Resolved: 3 years ago
status-firefox49: --- → fixed
Resolution: --- → FIXED
Target Milestone: --- → mozilla49
Matt, are you planning to request the uplift to 48? Thanks
status-firefox48: --- → affected
Flags: needinfo?(matt.woodrow)
(Assignee)

Comment 11

2 years ago
Comment on attachment 8750161 [details] [diff] [review]
Use effective opacity not local opacity for determining if a layer is opaque

Approval Request Comment
[Feature/regressing bug #]: bug 1250718
[User impact if declined]: Incorrect opacity during animations in rare cases
[Describe test coverage new/current, TreeHerder]: Manually tested, reftest added
[Risks and why]: Very low risk.
[String/UUID change made/needed]: None
Flags: needinfo?(matt.woodrow)
Attachment #8750161 - Flags: approval-mozilla-aurora?
Comment on attachment 8750161 [details] [diff] [review]
Use effective opacity not local opacity for determining if a layer is opaque

Fix a user facing regression, taking it
Attachment #8750161 - Flags: approval-mozilla-aurora? → approval-mozilla-aurora+

Comment 13

2 years ago
bugherderuplift
https://hg.mozilla.org/releases/mozilla-aurora/rev/49da7aca2819
status-firefox48: affected → fixed
Version: unspecified → 48 Branch
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