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GS/HW: Fix regression with bilinear filtering of target updates - #14897

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gs_bilinconvertregress
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GS/HW: Fix regression with bilinear filtering of target updates#14897
refractionpcsx2 wants to merge 2 commits into
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gs_bilinconvertregress

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@refractionpcsx2

@refractionpcsx2 refractionpcsx2 commented Sep 2, 2026

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Description of Changes

Fixes the bilinear functionality for shader selection when doing target updates. Also implements depth flooring on the the function to keep properly rounded values.

Rationale behind Changes

This was broken when the convert shader functionality was changed, the mask default was using the bilinear boolean value and the linear was set to nearest, a bit of a mess.

Suggested Testing Steps

Test SMT games mainly, and Syphon Filter - Logan's Shadow

Did you use AI to help find, test, or implement this issue or feature?

No

Fixes #14896 SMT Nocturne upscaling artifacts
Fixes SMT Digital Devil Saga upscaling artifacts
Improves lighting and upscaling on Syphon Filter - Logan's Shadow

SMT Nocturne
Master:
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PR:
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SMT Digital Devil Saga
Master:
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PR:
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Syphon Filter - Logan's Shadow (this requires HPO Native adding to Game DB):
Master:
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PR:
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@lightningterror lightningterror left a comment

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Need to bump shader cache.

@lightningterror lightningterror added this to the Release 2.8 milestone Sep 2, 2026
@refractionpcsx2 refractionpcsx2 changed the title Gs bilinconvertregress GS/HW: Fix regression with bilinear filtering of target updates Sep 2, 2026
@refractionpcsx2

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Need to bump shader cache.

Done

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[BUG]: Lighting issue on SMT Nocturne when not using native resolution.

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