Render Lighting Effects bug in v 22.4.1

New Here ,
May 26, 2021 May 26, 2021

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Greetings.

I don't know if this is just a glitch in this version but I can't seem to use the Render Lighting Effects like I've been able to before, everytime I try to use the effect, it just brings up the filter menu but doesn't do anything.

3.png

On occasion it will bring up error messages as well.

2.png1.png

 

As I said it worked before, so I decided to download an older version (v 21.2.8) of Photoshop to see what would happen, and as I suspected it worked. No Graphics Processor or RAM issues.4.png

I guess the solution is to just use an older version although I would like to keep using the most updated version of Photoshop. Is this just a bug in this version or is it a problem on my end that I could resolve?

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Adobe Community Professional ,
May 26, 2021 May 26, 2021

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There are several things at play here.
1. Adobe are updating the core graphics functions in Photoshop. This is driven by the operating systems of Apple and Microsoft in which the old Open GL functions are being removed in the case of Apple, or deprecated in the case of Microsoft. This means that the graphics functions that have worked for years must be rewritten to use Metal and Direct X. At the same time, Adobe are sensibly updating those core functions to deliver the additional speed we require to handle the very large files of today.
2. Led by the changes being made above, Adobe introduced new GPU checks in 23.3.1. Unfortunately, these caused issues and have therefore been revised for v22.4. That means that many GPUs that incorrectly did not work in 22.3.1 will now be seen in 22.4 and will function.
3. Some functionality in Photoshop, such as 3D (and Lighting effects which uses teh 3D engine) , still relies on the older Open GL graphics functions. To make these work, an additional preference Preferences>Technology previews>Deactivate Native Canvas has been added. This can be checked and Photoshop restarted to restore 3D functions to where they were in 22.3
4. Unfortunately, the move to update the core graphics functions will mean that some older GPUs will no longer be suitable. If you are using 22.4 and your GPU is still not recognised, first make sure the driver is up to date. If it is and you only have a single GPU enabled ( conflicting GPUs remain an issue) then you could try and force Photoshop to use your older GPU by creating a file PSUserConfig.txt containing the lines:
# Force GPU On
GPUForce 1
Save that text file to :
Windows: [InstallationDrive]:\Users \ [UserName]\ AppData\ Roaming\ Adobe\ [Photoshop_version]\[Photoshop_version]Settings\
macOS: //Users/[UserName]/Library/Preferences/[Photoshop_version]Settings/
Note though that this requires 22.4 or 22.4.1 and is not officially supported by Adobe, so may cause other issues – so you do it at your own risk

 

Dave

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