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GS/HW: Fix blue screen in GT4 transitions

This commit is contained in:
Stenzek 2023-04-02 15:56:09 +10:00 committed by lightningterror
parent cc814585ee
commit 3f640ed7eb
1 changed files with 3 additions and 0 deletions
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3
pcsx2/GS/Renderers/HW/GSRendererHW.cpp
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@ -2763,8 +2763,11 @@ __ri bool GSRendererHW::EmulateChannelShuffle(GSTextureCache::Target* src, bool
{
// Since test_only gets executed when creating a source, before target lookup, we can hack
// the FBP here to point to the source, which is where it will eventually be copied back to.
// We need to force it to PSMCT24, the crossfade draw ends up reading the RT instead of local
// memory, which ends up with blue rubbish becuase the shuffle isn't correctly emulated.
pxAssertMsg((m_context->TEX0.TBP0 & 31) == 0, "TEX0 should be page aligned");
m_context->FRAME.FBP = m_context->TEX0.TBP0 >> 5;
m_context->FRAME.PSM = PSM_PSMCT24;
return true;
}