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mgba-emu / mgba

mGBA Game Boy Advance Emulator
https://mgba.io/
Mozilla Public License 2.0
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Golden Sun Worldmap background is shaking #3203

Closed renecatharsis closed 2 weeks ago

renecatharsis commented 2 weeks ago

When entering the Worldmap in Golden Sun, the background looks like it's shaking. The player character and moving object don't seem to be affected. Find attached a gif showcasing the issue plus a matching savestate. For what it's worth: The shaking is way less prominent when using Software Renderer, however the shaking is identical to OpenGL in video and gif/webp output.

goldensun-shaking

Some YouTube playthrough video showing how it looks on (maybe) console: https://youtu.be/9IEUOiixyEA?si=h7P05JBG0Wt2Gj6w&t=116

Build used: mGBA-0.10.3-win64 (1c61b54208ca6266129d0f2394c04bd8c44f98c5) OS: Win11 Pro, 64-bit System specs: AMD Ryzen 9 5900X, NVIDIA GeForce RTX 3070 BIOS used: mGBA BIOS and GBA BIOS (World Version) ROM CRC: e1fb68e8

Not sure if it's related to any of the existing issues regarding Golden Sun: https://github.com/mgba-emu/mgba/issues/3186 https://github.com/mgba-emu/mgba/issues/2558

goldensun-savestate.zip

endrift commented 2 weeks ago

This is intended behavior by the game devs, see http://mgba.io/2020/01/21/mgba-0.8.0/#interframe-blending for more information and a workaround.