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GS:SW: Prevent CDrawScanline from trashing unused Z bits

This commit is contained in:
TellowKrinkle 2022-04-29 01:14:44 -05:00 committed by tellowkrinkle
parent b677619f32
commit 650b0ae646
1 changed files with 7 additions and 7 deletions
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14
pcsx2/GS/Renderers/SW/GSDrawScanline.cpp
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@ -498,16 +498,16 @@ void GSDrawScanline::CDrawScanline(int pixels, int left, int top, const GSVertex
zd = GSVector4i::load((u8*)global.vm + za * 2, (u8*)global.vm + za * 2 + 16);
#endif
switch (sel.zpsm)
{
case 1: zd = zd.sll32( 8).srl32( 8); break;
case 2: zd = zd.sll32(16).srl32(16); break;
default: break;
}
VectorI zso = zs;
VectorI zdo = zd;
switch (sel.zpsm)
{
case 1: zdo = zdo.sll32( 8).srl32( 8); break;
case 2: zdo = zdo.sll32(16).srl32(16); break;
default: break;
}
if (sel.zpsm == 0)
{
zso -= VectorI::x80000000();