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Issue metadata

Status: WontFix
Owner: ----
Closed: Feb 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Compat



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GPU rasterization slow on Settings page (on old intel GPU at least)

Reported by colmj.or...@gmail.com, Aug 28 2016

Issue description

UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.80 Safari/537.36

Example URL:
chrome:settings

Steps to reproduce the problem:
1. Enable override software rendering list and GPU rasterization in chrome:flags (no other flags changed) and restart browser.
2. Any other pages I've seen seem to work fine but chrome:settings now has a noticable 2-3 second lag when paging up/down and shows high GPU usage when scrolling. I am on a slow netbook (Atom N450 with intel GMA 3150 ) so this might not be noticed on faster PCs.

What is the expected behavior?
The settings page should scroll at least as smoothly as with the software rasterizer.

What went wrong?
If this is found to be a generic problem then maybe the rasterizer should revert to using software rendering on such pages.

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? N/A 

Chrome version: 53.0.2785.80  Channel: beta
OS Version: Ubuntu 16.04.1 LTS
Flash Version: Shockwave Flash 22.0 r0

This may or may not be specific to my crappy old Atom N450 based system with intel GMA 3150. As the GPU rasterization is disabled by default on linux with my intel GPU it is a low priority unless it is found to be a more generic problem.
 
Components: Internals>GPU>Rasterization

Comment 2 by bsalo...@google.com, Aug 30 2016

I don't believe we are planning to extend GPU raster back to GMA GPUs on any OS at this point.
That's OK. If you don't believe the problem exists on other GPUs then you are welcome to close the issue.
Labels: -Pri-2 Pri-3
I can't repro on Mac (HD4000), and as bsalomon@ says, it is unlikely that we'll go this far back in GPUs...

Dropping priority - will re-investigate when we look at enabling GPU raster on Linux.
Status: WontFix (was: Unconfirmed)
After re-assessing, I'm certain we won't enable GPU raster on Intel devices earlier than 6th generation, with 6th being a stretch - the device in question is 3rd gen, so going to close this out.

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