Issue with hw accelerator Metal on intel-based Mac

Sebastien Petit

• June 14, 2022 20:02
• Edited

C1 22 v 15.3.

On Intel-based MacBook Pro, MacOS 11.6.6, when HW accelerator is on for display (mode auto), there are color artifacts on photos displayed. 

This is a big regression.

This is easily reproductible into the export window for example. 
See the attached screenshot below (which is normally a black&white photo :-( )

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  Ramon Mata

  • June 14, 2022 19:52

  In my case the artifacts appear after using healing brush

  https://support.captureone.com/hc/en-us/community/posts/5534268767645-Healing-glitch-for-C1-15-3-0-109 

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  Kassur

  • June 15, 2022 06:44

  Well, consider to set the HW acceleration to never. 
  This has been discussed here many times before…

  Kassur

  -2
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  Claude CAUWE

  • June 15, 2022 17:28

  Thank you for posting this - I was about to start a new thread asking how the newly implemented Metal was performing.

  Release notes say that « on the long run » it will be faster, which rang a panic bell in my head.

  Your post seems to confirm it: another half-baked feature for the sake of announcements…

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  photo by FA

  • June 16, 2022 11:46

  Kassur, what are you talking about?

  C1 has proudly announced that they support Metal on Intel now and you tell the OP to turn that off?

  Not only that this has not been discussed on many times as those versions are previous version. This is new version.

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  Kassur

  • June 16, 2022 13:17

  It's not my fault, but output errors, monitor or processing, are mostly produced by hardware acceleration. And this has been discussed here often - regardless wich C1version was used.. 

  Simply try it, set HW acceleration to never and see if it helps. If not set it back to Auto and contact the C1 support. 

  That's all

   

  Kassur

   

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  Jeffrey Jakucyk

  • June 29, 2022 21:16

  Never had an issue with hardware acceleration turned on, whether on a 2008 Mac Pro with the original NVidia GeForce 8800GT, an upgraded ATI Radeon HD 5770, a GeForce GTX 680, or on my iMac Pro with the Vega 56.  I went straight from C1 version 11 to 15 (22) and it was a bit of a regression in speed and fluidity by roughly 10-20%.  With the recent 15.3 update, I wouldn't say Metal support is appreciably faster as far as processing, but it's definitely more fluid in editing, such as drawing the crop box or panning around.  I haven't seen any graphical artifacts either, so for me it's a win. 

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