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GS/HW: Handle texture shuffle sprite not 16-pixel-multiple wide.

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This commit is contained in:
TJnotJT
2025-08-20 21:53:55 +02:00
committed by lightningterror
parent bd70f1ca4a
commit 3c70d7f575
1 changed files with 16 additions and 0 deletions
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pcsx2/GS/Renderers/HW/GSRendererHW.cpp
+16
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@@ -340,6 +340,7 @@ void GSRendererHW::ConvertSpriteTextureShuffle(u32& process_rg, u32& process_ba,
shuffle_across = (((tex_pos + 8) >> 4) ^ ((pos + 8) >> 4)) & 0x8;
const bool full_width = ((second_vert.XYZ.X - first_vert.XYZ.X) >> 4) >= 16 && m_r.width() > 8 && tex && tex->m_from_target && rt == tex->m_from_target;
const bool width_multiple_16 = (((second_vert.XYZ.X - first_vert.XYZ.X) >> 7) & 1) == 0;
process_ba = ((pos > 112 && pos < 136) || full_width) ? SHUFFLE_WRITE : 0;
process_rg = (!process_ba || full_width) ? SHUFFLE_WRITE : 0;
// "same group" means it can read blue and write alpha using C32 tricks
@@ -580,6 +581,21 @@ void GSRendererHW::ConvertSpriteTextureShuffle(u32& process_rg, u32& process_ba,
else
v[i + 1 - reversed_U].U += 128u;
}
else if (!width_multiple_16)
{
// In this case the sprite does not span an exact columns boundary
// probably because some of the copied channels are not being used/discarded.
// Just align the range to the nearest column boundary and copy all
// channels regardless.
if ((((v[i + reversed_pos].XYZ.X - o.OFX) + 8) >> 4) & 0x8)
v[i + reversed_pos].XYZ.X -= 128u;
if ((((v[i + reversed_pos].XYZ.X - o.OFX) + 8) >> 4) & 0x8)
v[i + 1 - reversed_pos].XYZ.X += 128u;
if (v[i + reversed_U].U & 128)
v[i + reversed_U].U -= 128u;
if (v[i + 1 - reversed_U].U & 128)
v[i + 1 - reversed_U].U += 128u;
}
else
{
if (((pos + 8) >> 4) & 0x8)