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GS/HW: Downscale target before 8bit conversion

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This commit is contained in:
refractionpcsx2
2026-05-26 21:41:56 +01:00
committed by lightningterror
parent d3ba0542f2
commit 88af1e54a4
1 changed files with 27 additions and 3 deletions
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pcsx2/GS/Renderers/HW/GSTextureCache.cpp
+27 -3
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@@ -6418,9 +6418,33 @@ GSTextureCache::Source* GSTextureCache::CreateSource(const GIFRegTEX0& TEX0, con
}
const u32 destination_tbw = (dst->m_TEX0.TBP0 == TEX0.TBP0) ? (std::max<u32>(TEX0.TBW, 1u) * 64) : std::max<u32>(dst->m_TEX0.TBW, 1u) * 128;
g_gs_device->ConvertToIndexedTexture(sTex, dst->m_scale, x_offset, y_offset,
std::max<u32>(dst->m_TEX0.TBW, 1u) * 64, dst->m_TEX0.PSM, dTex,
destination_tbw, TEX0.PSM);
if (dst->GetScale() > 1.0f)
{
GSTexture* tmpTex = use_texture ?
g_gs_device->CreateTexture(dst->m_unscaled_size.x, dst->m_unscaled_size.y, 1, GSTexture::Format::Color, PreferReusedLabelledTexture()) :
g_gs_device->CreateRenderTarget(dst->m_unscaled_size.x, dst->m_unscaled_size.y, GSTexture::Format::Color, false, PreferReusedLabelledTexture());
const GSVector4 dRect = GSVector4(GSVector4i::loadh(dst->m_unscaled_size));
if (GSConfig.UserHacks_NativeScaling != GSNativeScaling::Off)
{
const u32 downsample_factor = static_cast<u32>(dst->GetScale());
g_gs_device->FilteredDownsampleTexture(dst->m_texture, tmpTex, downsample_factor, GSVector2i(0, 0), dRect);
}
else
g_gs_device->StretchRect(sTex, tmpTex, dRect, ShaderConvert::COPY, false);
g_gs_device->ConvertToIndexedTexture(tmpTex, 1, x_offset, y_offset,
std::max<u32>(dst->m_TEX0.TBW, 1u) * 64, dst->m_TEX0.PSM, dTex,
destination_tbw, TEX0.PSM);
g_gs_device->Recycle(tmpTex);
}
else
g_gs_device->ConvertToIndexedTexture(sTex, dst->GetScale(), x_offset, y_offset,
std::max<u32>(dst->m_TEX0.TBW, 1u) * 64, dst->m_TEX0.PSM, dTex,
destination_tbw, TEX0.PSM);
// Adjust to match a PSMT8 texture (coordinates are double C32, we shouldn't be converting from anything else).
x_offset *= 2;