Closed Bug 1431528 Opened 6 years ago Closed 6 years ago

<html> with (useless) transparency in background-color has huge perf impact with WebRender

Categories

(Core :: Graphics: WebRender, defect, P2)

Product:
Core
Component:
Graphics: WebRender
Type:
defect

Tracking

()

Status:
RESOLVED FIXED

People

(Reporter: TD-Linux, Unassigned)

References

(Blocks 1 open bug,
URL
)

Details

The linked URL has background-color: rgba(0, 0, 0, 0.2) !important on its <html> element, and scrolls extremely slowly. Using devtools to remove the 0.2 transparency has no visual effect, but doubles page performance. <html> (and probably <body>) should have a special case as the transparency has no effect.
Can you still reproduce this?
Flags: needinfo?(tdaede)
No, I can't.
Status: NEW → RESOLVED
Closed: 6 years ago
Flags: needinfo?(tdaede)
Resolution: --- → FIXED
You need to log in before you can comment on or make changes to this bug.