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GS/HW: Allow offsetting in to a target if full contained.

This commit is contained in:
refractionpcsx2 2025-01-26 16:35:49 +00:00
parent b372cd9654
commit 07c87e36da
1 changed files with 24 additions and 1 deletions
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25
pcsx2/GS/Renderers/HW/GSTextureCache.cpp
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@ -1189,7 +1189,7 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const bool is_color, const
const u32* const clut = g_gs_renderer->m_mem.m_clut;
GSTexture* const gpu_clut = (psm_s.pal > 0) ? g_gs_renderer->m_mem.m_clut.GetGPUTexture() : nullptr;
const SourceRegion region = SourceRegion::Create(TEX0, CLAMP);
SourceRegion region = SourceRegion::Create(TEX0, CLAMP);
// Prevent everything going to rubbish if a game somehow sends a TW/TH above 10, and region isn't being used.
if ((TEX0.TW > 10 && !region.HasX()) || (TEX0.TH > 10 && !region.HasY()))
@ -1817,6 +1817,29 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const bool is_color, const
else
continue;
}
// Else read it back, might be our only choice. Ridge Racer writes to the right side of 0x1a40 for headlights, then tries to access it with the base of 0x9a0
// naturally, it misses here. But let's make sure the formats match well enough.
else if (bw == t->m_TEX0.TBW && GSLocalMemory::m_psm[psm].bpp == GSLocalMemory::m_psm[t->m_TEX0.PSM].bpp && t->Inside(bp, bw, psm, r))
{
if (!t->HasValidBitsForFormat(psm, req_color, req_alpha, true))
continue;
GIFRegCLAMP fake_CLAMP;
fake_CLAMP.WMS = CLAMP_REGION_CLAMP;
fake_CLAMP.WMT = CLAMP_REGION_CLAMP;
fake_CLAMP.MINU = 0;
fake_CLAMP.MINV = 0;
fake_CLAMP.MAXV = std::min(static_cast<u32>(1u << TEX0.TH), 1022u);
fake_CLAMP.MAXU = std::min(static_cast<u32>(1u << TEX0.TW), 1022u);
region = SourceRegion::Create(TEX0, fake_CLAMP);
const GSVector4i custom_offset_rect = TranslateAlignedRectByPage(t, bp, psm, bw, block_boundary_rect);
x_offset = custom_offset_rect.x;
y_offset = custom_offset_rect.y;
dst = t;
tex_merge_rt = false;
found_t = true;
}
}
}
}