For Symphony - With All One's Heart Portable: screen transitions rendering as visual noise

[batankyuu]

What happens?

Screen transition effect rendering incorrectly as blocky visual noise.

Can be seen during intro screen, when accessing options and album menu items, and consistently throughout game itself.

What should happen?

Screen transition effect should crossfade transparently and evenly as on real hardware.

What are you using?

What hardware / device and operating system?

Android 12 and Windows 11.

What graphics card (GPU) or mobile phone model?

Pixel 3a / Nvidia GTX 1060

What PPSSPP version (standalone/official), and did it work before?

Using both backends, default settings.

Has been observable on various versions over at least the past year, have not checked specific older versions.

Using PPSSPP gold v1.14.4 and latest build v1.14.4-109-g9d3dfab26

Which game or games?

for Symphony Portable
ULJM05258 v1.01

Checklist

• Test in the latest git build in case it's already fixed.
• Search for other reports of the same issue.
• Try resetting settings or older versions and include if the issue is related.
• Include logs or screenshots of issue.

[unknownbrackets]

Does it work (albeit slowly) if you use the software renderer?

-[Unknown]

[batankyuu]

It appears slightly different, but issue persists under the software renderer.

I will add it seems this same transition effect is used for fading character portraits in and out during gameplay where the issue is also observable under both hardware and software renderers.

[unknownbrackets]

I wonder if it's using swizzled VRAM mirrors in some evil way.

-[Unknown]

[glitchengineer]

The issue seems to be related to #15232 , since For Symphony, Kaitou Apricot and E'tude Prologue were made and published by the same developer (Takuyo). I also believe this is a problem in all of their visual novel games.

Here are dumps with Software renderer on and off:
Software_Dump.zip

Nonsoftware_Dump.zip