autoscroll very long page,noise appears at a edge of window

UNCONFIRMED
Unassigned

Status

()

Core
Graphics
P3
normal
UNCONFIRMED
2 years ago
4 months ago

People

(Reporter: mrgh1bugzillamozilla@gmail.com, Unassigned)

Tracking

45 Branch
Points:
---

Firefox Tracking Flags

(Not tracked)

Details

(Whiteboard: gfx-noted)

Attachments

(3 attachments)

(Reporter)

Description

2 years ago
User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:45.0) Gecko/20100101 Firefox/45.0
Build ID: 20160315153207

Steps to reproduce:

1. visit very long page(height or width is over 150000px?)
2. scroll to bottom of page(or right end)
3. autoscroll to top very slowly(or left end)


Actual results:

noise appears at the edge of window and scroll awkwardly


Expected results:

scroll smoothly

Updated

2 years ago
Component: Untriaged → Graphics
Product: Firefox → Core
I don't know exactly what the best questions to ask here are, at least a screenshot would be good!
Whiteboard: gfx-noted
Can you provide a screenshot of the noise?
Flags: needinfo?(mrgh1bugzillamozilla)
This may be a dupe of bug 1209100 (per bug 1209100 comment 26).
Yeah, that seems likely.
(Reporter)

Comment 5

2 years ago
Created attachment 8736617 [details]
screenshot

you can look noise at the bottom of image(height is 1px)
Flags: needinfo?(mrgh1bugzillamozilla)
(Reporter)

Comment 6

2 years ago
Created attachment 8736621 [details]
to reproduce
(Reporter)

Comment 7

2 years ago
Created attachment 8736629 [details]
bug movie
Priority: -- → P3
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