[d3d9] Atelier sophie crashes: iBackBuffer > 0 not supported

[exolyte]

Atelier Sophie silently crashes shortly after creating a window. Logs contain
err: D3D9: GetBackBuffer: iBackBuffer > 0 not supported
Game works fine with wined3d.

Software information

Atelier Sophie: https://store.steampowered.com/app/527270/Atelier_Sophie_The_Alchemist_of_the_Mysterious_Book/

System information

• GPU: RX570
• Driver: radv-git
• Wine version: proton 4.11
• DXVK version: 64ece36

Apitrace file(s)

https://mega.nz/#!nMs3kKjI!cgA6Py9CjfoK__PERUmOoewWVjv3jhpxLYNMlA8ZTkI

Log files

A17_d3d9.log

[doitsujin]

Thanks for the trace. Can you test if this branch fixes the issue:
https://github.com/doitsujin/dxvk/tree/dxvk-image-renaming

[exolyte]

Didn't do any extensive testing, but everything seems to work fine at first glance.