Photoshop CC 2015.1: Artifacts when rotating image

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  • Updated 3 years ago
  • (Edited)
I just upgraded to the latest version of PS CC (2015.1) and I have run into several issues.

The first one was with Liquify. I found a workaround here: https://fstoppers.com/photoshop/photo...

Then, after an hour of editing I noticed a very odd pattern in the photo. To my bad luck it was introduced at the very beginning of the editing and it has to do with rotation. If I rotate an image, let say 0.5 degrees, it get a pattern. These images show it. Is there a way to rollback PS CC to a previous version until Adobe fixes these issues?

Images can be seen at this post:
http://www.dpreview.com/forums/post/5...
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Teodorico Morell

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Posted 3 years ago

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Chris Cox

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16 bit/channel image?
We've seen that defect in some windows video card drivers - their shader calculations have a problem that amplifies the low bits of 16 bit/channel images. Updating the driver from the GPU maker's website solves it.
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Teodorico Morell

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I just upgraded to the latest version of NVidia, from 358.50 to 359.06 and the problem persists. This was not happening on previous versions on PS CC.
Is there are way to rollback to previous version of PS?

Yes, 16 bit. I converted the image to 8 bit and the rotation artifacts are gone as well as the liquify issue described in the link above. I am 100% sure that liquify did work on the previous version without any problems.
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Teodorico Morell

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I just uninstalled CC 2015 and installed CC 2014. There are no issues with rotation nor with liquify. So, I do not think it is the driver, most likely PS CC itself.
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Chris Cox

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Well, it's either the driver or the shader code, and the shader code hasn't changed.
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Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Can you share the original image you're rotating? I haven't been able to reproduce with any of my images.
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Teodorico Morell

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I cannot reproduce the issue any more. This is what I did.
1. Had 2015.1 generating the artifacts.
2. Disabling hardware acceleration would remove the issue.
3. Upgraded NVidia driver from 358.50 to 359.06 and re-enabled hardware acceleration. The problem continued.
4. Uninstall 2015. and installed 2014. No artifacts present.
5. Upgraded to 2015.1 and... now there are not artifacts on rotation.

Anyway, I can send you both files, the original and modified tif (layers) with the artifacts. Maybe it can provide a clue. Can you send me your email so I can share them via google drive? Regards.
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Teodorico Morell

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I stand corrected. I can reproduce it if I open the original image from LR as a smart object. Also, opening the NEF file directly from file explorer as a smart object.
I am rotating the image using the crop tool and pressing CTRL to get the level option.

Edit:
I have additional information and this is very odd. I disabled hardware acceleration, rotated the image and saved it as a layer TIFF. Re-enabled hardware acceleration and open the TIFF; the artifacts are present. The really interesting part is that the problem seems to be rendering on the screen. If I save the image as a JEPG, it looks perfect with no artifacts.
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Chris Cox

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Yeah, that sounds like the old driver bug come back (it's amplifying differences in the low order bits that normally are not visible).
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Teodorico Morell

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So it is on the PS side instead of the video card driver? Do you still need the picture to reproduce it?
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Chris Cox

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It's the video card driver.
I've already tried, and can't reproduce it on my systems (and I know what I'm looking for).
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Teodorico Morell

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I have an NVidia GeForce GTX 980 and driver version 359.06. I upgraded from 358.50. Please note that this was not happening with CC 2014.
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Teodorico Morell

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On a side note. I just purchased and installed a FirePro W8100.
PS CC 2015.1 does not detect the GPU and I get the following error when I open a file: "3D features and some filters.... require a minimum on 512MB of vRAM. Photoshop has detected less than that on your system."

I uninstalled PS and installed PS CC 2014; no issues, it does detect the GPU. I reinstalled 2015.1 and the GPU support is gone.

I am rolling back to 2014 until all the GPU issues on 2015.1 get solved.
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Chris Cox

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Yes, there appear to be some problems with the FirePro drivers -- they are returning bogus answers for some queries.
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Teodorico Morell

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Is there a way to install PS CC 2015.0.1? The Creative Cloud installer only allows me to install either 2014 or 2015.1. I'd like to test 2015.0.1 to confirm if the GPU works well on this version. Thanks!
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Teodorico Morell

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Hi Chris. I just tried 2014, 2015.0.0 and 2015.0.1. All these versions work fine with GPU acceleration and no artifacts rotating the images.
I just installed 2015.1.1, and the W8100 GPU acceleration is disabled. How can this be the FirePro driver if 2015.0.1 works fine. Is there an ETA to fix this issue?
Thanks!
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Chris Cox

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We are working with the GPU vendor to resolve the driver issues.
But thus far we haven't been able to reproduce the artifacts that you reported (which still sound like an old driver bug with shader math).
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Teodorico Morell

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Hi Chris, Any update on the issue with GPU acceleration with PS CC 2015.1.1 and the latest AMD FirePro driver. Thanks!
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Kevin Hagan

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I am having similar, if not the same issues, on the Mac version of PS 2015.1.2. When I rotate an image it looks like it was sliced in strips and they are shifted slightly up/down from each one making a rough rotation. If I perform the same rotation in my version of PS CS6 I don't have this issue. Is there any fixes for a Mac?
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Chris Cox

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What GPU are you using?
The Nvidia web drivers for MacOS currently have some display corruption problems.
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Kevin Hagan

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My system has an ATI Radeon HD 5770.
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Chris Cox

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OK, we haven't seen too many problems with that GPU.
But we also haven't had any other reports of problems with image rotation in Photoshop CC 2015.