-moz-appearance: -moz-win-glass broken with hardware acceleration
Categories
(Core :: Graphics: WebRender, defect)
Tracking
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| Tracking | Status | |
|---|---|---|
| firefox68 | --- | affected |
People
(Reporter: fanormand, Unassigned)
Details
Attachments
(2 files)
fx68-aeroglass.png
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0
Steps to reproduce:
For years I customize Firefox UI with userChrome.css:
#main-window {
background-color: transparent !important;
-moz-appearance: -moz-win-glass !important;
}
I use Aero Glass 1.5.11 to apply glass look to windows.
OS: Windows 10 1809
Actual results:
Since Firefox 68.0, window background is black.
Expected results:
Window background should be translucent glass.
Workaround: set "layers.acceleration.disabled" to true
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Comment 1•5 years ago
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Please open about:support, click on "Copy text to clipboard", paste it into a text file and upload it here (Attach File). Thanks!
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Comment 3•5 years ago
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Thank you! :)
It seems transparent background is not really supported: You encounter this issue now because you have got Firefox' new graphics engine. Theoretically you could try to circumvent this by opening about:config, setting gfx.webrender.dcomp-win.enabled to false and restarting Firefox, but it will have negative impact on performance and should ideally not be advertised.
This issue was previously reported as bug 1564514, therefore closing this bug as duplicate of it.
Please have an eye on bug 1564514 in case other solutions come up.
Description
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