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Super Mario Advance 2 issue (doesn't happen on a real GBA) #1876

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rhythm-g opened this issue Sep 6, 2020 · 3 comments
Closed

Super Mario Advance 2 issue (doesn't happen on a real GBA) #1876

rhythm-g opened this issue Sep 6, 2020 · 3 comments
Labels
hardware:2D Issues in the 2D/pixel pipeline subsystem platform:GBA Game Boy Advance-related issues severity:regression Issues that were not present in previous versions
Milestone
mGBA 0.9.0

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@rhythm-g
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rhythm-g commented Sep 6, 2020 •
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Selecting Super Mario World from the game select menu and then backing out makes this happen.
SUPER_MARIOB_AA2E00-0
When I do this in VBA it looks like this:
SUPER_MARIOB_AA2E00
On a real GBA it looks the same as the VBA screenshot.

Edit: I also noticed some flickering pixels where the transparency effect is supposed to be.
@RetroEdit
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Oh, so the bottom of the Yoshi is out of sync with the top of the Yoshi in mGBA? Huh.

@rhythm-g
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rhythm-g commented Sep 6, 2020 •
edited
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@RetroEdit There's a transparency effect being done on the shadow by where it says "Choose a game".

@endrift
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endrift commented Sep 6, 2020

Regressed in ed2353f.

@endrift endrift added hardware:2D Issues in the 2D/pixel pipeline subsystem platform:GBA Game Boy Advance-related issues severity:regression Issues that were not present in previous versions labels Sep 6, 2020
@endrift endrift added this to the mGBA 0.9.0 milestone Sep 6, 2020
endrift added a commit that referenced this issue Sep 7, 2020
@endrift
GBA Video: Fix rare regression blending semitransparent sprites (fixes …
0058ddd 
…#1876)
@endrift endrift closed this as completed in 17ca8f5 Sep 7, 2020
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hardware:2D Issues in the 2D/pixel pipeline subsystem platform:GBA Game Boy Advance-related issues severity:regression Issues that were not present in previous versions
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Milestone
mGBA 0.9.0
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@endrift @RetroEdit @rhythm-g