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GS: Fix bug where incorrect verticles were saved on flush 

Probably didn't matter in most cases, but for autoflush draws, it certainly does.
This commit is contained in:
refractionpcsx2 2022-08-12 19:20:19 +01:00
parent 080c70e8a8
commit c2a68aa0b8
1 changed files with 14 additions and 0 deletions
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14
pcsx2/GS/GSState.cpp
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@ -1879,6 +1879,20 @@ void GSState::FlushPrim()
m_vertex.tail = unused; m_vertex.tail = unused;
m_vertex.next = next > head ? next - head : 0; m_vertex.next = next > head ? next - head : 0;
// If it's a Triangle fan the XY buffer needs to be updated to point to the correct head vert
// Jak 3 shadows get spikey (with autoflush) if you don't.
if (PRIM->PRIM == GS_TRIANGLEFAN)
{
for (int i = 0; i < unused; i++)
{
GSVector4i* RESTRICT vert_ptr = (GSVector4i*)&m_vertex.buff[i];
GSVector4i v = vert_ptr[1];
v = v.xxxx().u16to32().sub32(m_ofxy);
GSVector4i::storel(&m_vertex.xy[i & 3], v.blend16<0xf0>(v.sra32(4)).ps32());
m_vertex.xy_tail = unused;
}
}
} }
else else
{ {