Suggestion: Improve Mixer Brush Performance When Using “Sample All Layers”

Hi Adobe team,

I’ve encountered a significant performance issue in Photoshop when working with documents that have many layers. Specifically, when I use the Mixer Brush tool and enable the “Sample All Layers” option, the painting process becomes very laggy and sluggish. If I turn off “Sample All Layers” after sampling, the brush performance returns to normal and is much smoother.

I believe it would be a great improvement if Photoshop could optimize this behavior. For example, after I take a sample with “Sample All Layers” turned on, it would be helpful if the software could automatically switch back to single-layer sampling mode during the painting process, while still using the previously sampled data. This way, we can maintain a smooth painting experience without having to manually toggle that option on and off each time.

Thank you for considering this suggestion! I think it would make the Mixer Brush much more efficient for users working with complex, multi-layered documents.