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Mosaic + Background rotation does not match hardware #1691

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felixjones opened this issue Mar 14, 2020 · 0 comments
Closed

Mosaic + Background rotation does not match hardware #1691

felixjones opened this issue Mar 14, 2020 · 0 comments
Labels
hardware:2D Issues in the 2D/pixel pipeline subsystem platform:GBA Game Boy Advance-related issues
Milestone
mGBA 0.9.1

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@felixjones
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Rom Download
2020-03-14.zip

Video clip of ROM on hardware
IMG_20200314_174009_MP.zip

At the bottom right of the below screenshot where the background has been rotated the mosaic effect is not applied to the rotation - so the edge of the background is smoother than on actual hardware.

mGBA 0.8.0 and 0.8.1 (software renderer)
rom-0

Notice how the bottom right pixels are much more blocky on hardware
vlcsnap-2020-03-14-17h56m49s315
@endrift endrift added hardware:2D Issues in the 2D/pixel pipeline subsystem platform:GBA Game Boy Advance-related issues labels Aug 14, 2020
@endrift endrift added this to the mGBA 0.9.1 milestone Mar 21, 2021
@endrift endrift closed this as completed in be8b95f Apr 2, 2021
endrift added a commit that referenced this issue Apr 13, 2021
@endrift
GBA Video: Fix mode 3-5 overflow with mosaic (fixes #1691)
91cfbbf
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hardware:2D Issues in the 2D/pixel pipeline subsystem platform:GBA Game Boy Advance-related issues
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@endrift @felixjones