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Alex_M

Flattening a document containing specific filters causes square artifacts

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Flattening a document containing specific live filters causes artifacts when Hardware Acceleration (OpenCL compute) is turned on. The offending live filters are: Vignette, Twirl, Add Noise and Lighting. If I disable Hardware Acceleration, the problem goes away.

Please see the screenshot below. I'm using the official release version of Affinity Photo 1.9.0.932. Check my signature for hardware configuration.

affinity_photo_flatten_hardware_acceleration.jpg


Affinity Photo 1.9.0.932 for Windows  OS: Windows 10 x64 2004  CPU: AMD Threadripper 3970x  RAM: 64 GB 3800 Mhz  GPU: MSI GeForce RTX 3090 Suprim X 24GB + studio driver 460.89  NVMe SSD Samsung 960 Pro 512 GB  Monitor: Eizo ColorEdge CS2420 24"

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Same Square Artifact Issue with my Affinity Photo 1.9.0.932

Problem:

I experience Square artifacts in picture when using

- "Merge Visible"

- Export to jpg

It seems to appear when using "Hardware Acceleration" combined with live filter (in my case "Denoise") ,as mentioned by Alex_M.

The artifacts appear in different places and color/content each time when I export the file or merge the layers in the same document.

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Hi @Chris B ,

Thanks for logging this with the developers. I'm not able to share the .aphoto publicly. Can I send it to you privately?


Affinity Photo 1.9.0.932 for Windows  OS: Windows 10 x64 2004  CPU: AMD Threadripper 3970x  RAM: 64 GB 3800 Mhz  GPU: MSI GeForce RTX 3090 Suprim X 24GB + studio driver 460.89  NVMe SSD Samsung 960 Pro 512 GB  Monitor: Eizo ColorEdge CS2420 24"

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Thanks. File sent!


Affinity Photo 1.9.0.932 for Windows  OS: Windows 10 x64 2004  CPU: AMD Threadripper 3970x  RAM: 64 GB 3800 Mhz  GPU: MSI GeForce RTX 3090 Suprim X 24GB + studio driver 460.89  NVMe SSD Samsung 960 Pro 512 GB  Monitor: Eizo ColorEdge CS2420 24"

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I'm still struggling to repoduce this on retail and beta. I've asked a colleague to try. There's no doubt an issue as I have seen others report similar.

I'll try some other machines - thank you.

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Hi @Chris B,

I appreciate your updates. Do you have new info on this or are you still unable to replicate the bug? I'm really eager to use hardware acceleration but this is a showstopper bug for me. Let me know if you need anything else from me that could help with tracking this down.


Affinity Photo 1.9.0.932 for Windows  OS: Windows 10 x64 2004  CPU: AMD Threadripper 3970x  RAM: 64 GB 3800 Mhz  GPU: MSI GeForce RTX 3090 Suprim X 24GB + studio driver 460.89  NVMe SSD Samsung 960 Pro 512 GB  Monitor: Eizo ColorEdge CS2420 24"

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Hey Alex,

Mark reproduced it but it's still being investigated because we cannot reliably reproduce it. This makes it difficult to diagnose and fix.

I would follow Mark's announcements for the beta. If I hear anything I'll let you know.

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