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GS/HW: Don't memclear with vertical gaps in the sprites 

Xenosaga 3's FMVs clear out a top/bottom letterbox.
This commit is contained in:
Stenzek 2023-05-02 19:51:46 +10:00 committed by refractionpcsx2
parent 933e6aa62e
commit 47506d1433
1 changed files with 7 additions and 1 deletions
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8
pcsx2/GS/Renderers/HW/GSRendererHW.cpp
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@ -5212,8 +5212,14 @@ bool GSRendererHW::PrimitiveCoversWithoutGaps() const
if (m_index.tail == 2)
return true;
// Borrowed from MergeSprite().
// Check that the height matches. Xenosaga 3 draws a letterbox around
// the FMV with a sprite at the top and bottom of the framebuffer.
const GSVertex* v = &m_vertex.buff[0];
const int first_dpY = v[1].XYZ.Y - v[0].XYZ.Y;
if ((first_dpY >> 4) != m_r.w)
return false;
// Borrowed from MergeSprite().
const int first_dpX = v[1].XYZ.X - v[0].XYZ.X;
for (u32 i = 0; i < m_vertex.next; i += 2)
{