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GS/TextureCache: Only expand target on write on TBW match

This commit is contained in:
Stenzek 2023-01-24 13:58:09 +10:00 committed by refractionpcsx2
parent 06ef51db2e
commit e76afee12d
1 changed files with 14 additions and 1 deletions
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15
pcsx2/GS/Renderers/HW/GSTextureCache.cpp
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@ -810,7 +810,12 @@ void GSTextureCache::ExpandTarget(const GIFRegBITBLTBUF& BITBLTBUF, const GSVect
}
}
if (dst)
if (!dst)
return;
// Only expand the target when the FBW matches. Otherwise, games like GT4 will end up with the main render target
// being 2000+ due to unrelated EE writes.
if (TEX0.TBW == dst->m_TEX0.TBW)
{
// Round up to the nearest even height, like the draw target allocator.
const s32 aligned_height = Common::AlignUpPow2(r.w, 2);
@ -829,6 +834,14 @@ void GSTextureCache::ExpandTarget(const GIFRegBITBLTBUF& BITBLTBUF, const GSVect
}
}
}
else
{
const GSVector4i clamped_r(
r.rintersect(GSVector4i(0, 0, static_cast<int>(dst->m_texture->GetWidth() / dst->m_texture->GetScale().x),
static_cast<int>(dst->m_texture->GetHeight() / dst->m_texture->GetScale().y))));
AddDirtyRectTarget(dst, clamped_r, TEX0.PSM, TEX0.TBW);
dst->UpdateValidity(clamped_r);
}
}
// Goal: Depth And Target at the same address is not possible. On GS it is
// the same memory but not on the Dx/GL. Therefore a write to the Depth/Target