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listeruk4398i
Participating Frequently
July 8, 2012

P: Checkerboard on less than 100% opaque layer in liquify

  • July 8, 2012
  • 12 replies
  • 462 views

In Photoshop CS6 I see a checkerboard pattern (and a white line around the layer) in liquify if I check 'show backdrop' and I show a non-opaque layer 'In Front'.

Is there any way to get rid of this as It obscures the layer I'm working on and makes Liquify useless? Or disable hardware acceleration for Liquify alone?

example

layer setup


PS CS6, Windows Ultimate x64. ASUS ATI RADEON HD 6950 2GB (latest drivers - 12.4 then 12.6), 16gb RAM, 60gb partitioned ssd scratch disk.

p.s. Is this related to the other 'jagged preview' bug (I also have) with the AMD/ATI cards?

    This topic has been closed for replies.

    12 replies

    J
    Adobe Employee
    john worthington
    Adobe Employee
    January 16, 2013
    The problem you describe is actually two different but related bugs.The checkerboard showing thru the image was a OpenGL shader blending bug fixed in 13.1 (but not in 13.01). The faint white edge is a problem blending the half resolution background image and the full resolution foreground target image. This is an artifact of the way we manage the texture memory on the GPU card. It would require a great deal of time to 'fix' and is not likely to be done any time soon.
    L
    listeruk4398iAuthor
    Participating Frequently
    January 16, 2013
    Any news on the next update to fix this issue?

    p.s. why does it say solved?
    L
    listeruk4398iAuthor
    Participating Frequently
    September 27, 2012
    Downloaded 13.01.1.. update and both these issues stil exist. In case they were meant to be fixed. Would be nice to be able to use CS6 as my regular workhorse.
    L
    listeruk4398iAuthor
    Participating Frequently
    September 8, 2012
    Tested video cards for Photoshop CS6...


    Well, it's there. Tested but not passed apparently! 😮
    D
    Adobe Employee
    David Dobish
    Adobe Employee
    September 7, 2012
    Yes there is a list:
    http://helpx.adobe.com/photoshop/kb/p...

    Toward the bottom of the page.

    No it never worked with an earlier driver version to the best of my knowledge.

    As the engineer states above:

    "John Worthington 3 days ago
    The obscuring checkerboard transparency portion of this bug was fixed but not in time for 13.01. It will be in all newer releases. The faint white line portion is still an active bug."
    L
    listeruk4398iAuthor
    Participating Frequently
    September 7, 2012
    Is there a list of Graphics cards that have been tested with CS6? I made some research when I bought the Radeon 6950 and I thought it was tested, though I don't recall where exactly. Perhaps It worked with an earlier driver version?
    J
    Adobe Employee
    john worthington
    Adobe Employee
    September 4, 2012
    The obscuring checkerboard transparency portion of this bug was fixed but not in time for 13.01. It will be in all newer releases. The faint white line portion is still an active bug.
    F
    FeedbackCommunityMember
    Inspiring
    August 31, 2012
    That's odd, it was supposed to be fixed in 13.0.1. I'll have to check with the Liquify engineer and see if a changelist failed to get integrated.
    L
    listeruk4398iAuthor
    Participating Frequently
    August 31, 2012
    FYI, the 13.01 update not fixing this issue.
    F
    FeedbackCommunityMember
    Inspiring
    August 13, 2012
    It's a known issue that was being worked on.

    We have nothing to announce yet - but we can't comment on unannounced versions of our products.

    Your account info has a list of topics you have posted.
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