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Posted

Affinity Photo 1.8 works fine with the plugin Filter Forge v9, v10 and v11.  When I make a selection and then invoke the plugin via  Filters->Plugins->Filter Forge, the Filter Forge window appears and whatever filter I apply is operating on the selected area. 

When I perform the same operation with Photo 1.9 or 1.10, the FF window appears but the preview window is empty, as though no image data was passed to the plugin.  If I have no selection in Photo and invoke FF, the filter is applied to the entire image area.

Note that the only thing changing in this scenario is what version of Affinity Photo is being used.  1.8 (1.8.5 specifically) works fine, 1.9 and 1.10 latest versions both fail.  This leads me to conclude that something changed on the Affinity Photo side of the interface that is causing the problem.

I am aware of this thread on these forums:

I posted there, but with no response.  In any case that thread seems to no longer be particularly relevant since Affinity Photo and Filter Forge had been working together fine, including the use of selections, since I started using Photo a couple of years ago.

Posted
2 hours ago, DWright said:

If you use the Merge Visible tool to create a new pixel layer then select this layer does it transfer over to Filter Forge.

Thanks for the response.  Using Merge Visible to create a new layer still doesn't work.  It does, however, show some additional interesting behavior as compared to making a selection on a single pixel layer and attempting to apply the filter.  I have made two videos two show two different scenarios:

  1. Single pixel layer, selection, filter: 
  2. Two pixel layers, merge visible, selection, filter:

Hopefully these videos provide a clear picture of the problem I'm seeing.  Let me know if you need additional information.

 

Thanks!

James

  • 3 weeks later...
Posted

Following up to let anyone else reading this that a workaround solution to this issue has been discovered.

You can find more information on the Filter Forge forum here: https://www.filterforge.com/forum/read.php?FID=8&TID=16463

The workaround is to change the following preference setting in the Affinity Photo main menu:

Edit->Preferences->Performance->Hardware Acceleration: Enable OpenCL compute acceleration

uncheck the checkbox control so that acceleration is not being performed. Restarting Affinity Photo is required for the change to take effect.

I have no insight at this time what consequences for performance in Affinity Photo might ensue without this enabled. Hopefully the communication between AP and FF can be altered so that this acceleration option can be used. For now this allows me to get back to work.

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