Castlevania Order of Ecclesia Graphical Glitch

[gyrorayo]

Greetings, first thanks for this emulator, it is the smoothest experience for nintendoDS emulation on Windows, hands down.

However experienced this issue on OoE, the enemy "invisible man" draws like a square that distorts the background.

tried both software and OpenGL (3x native) renderer, same issue.

it is supposed to look like this,

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System Information

     Operating System: Windows 11 Pro 64-bit (10.0, Build 22000) (22000.co_release.210604-1628)
            Processor: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz (4 CPUs), ~2.5GHz
               Memory: 16384MB RAM
               DirectX Version: DirectX 12

Or is my CPU too old for this?

[RSDuck]

savefile for reproduction?

[gyrorayo]

savefile for reproduction?

2809 - Castlevania - Order of Ecclesia (U)(Venom).zip

invisible man is located in minera prison island stage, you can get easily to it through the first warp point, gotta get to the bottom warp, exit to the right and go up, you'll encounter the enemy immediately

[RSDuck]

I can reproduce the issue with the OpenGL renderer, but it seems to works flawlessly with the software renderer.

[Arisotura]

I'd be interested in seeing how they achieve this effect and why it's failing on OpenGL -- seems like a problem related to handling of opaque/translucent pixels...

[SuperSamus]

I think this is a duplicate of #823.