Open
Bug 1678031
Opened 4 years ago
Updated 11 days ago
Firefox drawing become jerky when unfocus the window and focus a UWP application with transparency on
Categories
(Core :: Graphics: Layers, defect, P3)
Tracking
()
UNCONFIRMED
People
(Reporter: andro.marian.v94, Unassigned)
Details
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36 Edg/86.0.622.69
Steps to reproduce:
First make sure the 'Show transparency in windows' (Transparency effects) is ON.
And the Firefox uses the compositing: DirectX11
- Open the Normal versions of Firefox.
- Set the gfx.webrender.force-disabled to FALSE
- Open a url like: https://en.wikipedia.org/wiki/Earth
- Open the windows Alarms & Clock
- Without unfocus the Alarms & Clock, scroll the Firefox webpage.
The problem is that in the Firefox Nightly the problem not exists:
Profiles: https://www.diffchecker.com/MaLXiTom
Video: https://youtu.be/pHrraKDOtyg
Actual results:
The Firefox drawing is like has dropped frames / lag.
When scrolling and when watching a video.
Expected results:
To be smooth.
Component: Untriaged → Graphics
OS: Unspecified → Windows 10
Product: Firefox → Core
Hardware: Unspecified → x86_64
Firefox profiler:
Normal: https://share.firefox.dev/2UBdiph
Nightly: https://share.firefox.dev/3pFWvju
Summary: Firefox drawing become jerky when unfocus the windows and focus a UWP application with transparency on → Firefox drawing become jerky when unfocus the window and focus a UWP application with transparency on
Updated•4 years ago
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Component: Graphics → Graphics: Layers
Updated•4 years ago
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Severity: -- → S4
Priority: -- → P3
Comment 2•3 months ago
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Reporter, are you still experiencing this issue?
Flags: needinfo?(andro.marian.v94)
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Description
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