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GS-TC: On invalidate of the alpha of 32bit, drop back to 24bit

This commit is contained in:
refractionpcsx2 2023-02-28 01:15:26 +00:00
parent 3005ba629f
commit 2a2d39b392
1 changed files with 16 additions and 5 deletions
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21
pcsx2/GS/Renderers/HW/GSTextureCache.cpp
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@ -1375,11 +1375,22 @@ void GSTextureCache::InvalidateVideoMem(const GSOffset& off, const GSVector4i& r
if (can_erase)
{
i = list.erase(j);
GL_CACHE("TC: Remove Target(%s) %d (0x%x)", to_string(type),
t->m_texture ? t->m_texture->GetID() : 0,
t->m_TEX0.TBP0);
delete t;
// If it's a 32bit value and only the alpha channel is being killed
// instead of losing the RGB data, drop it back to 24bit.
if (rgba._u32 == 0x8 && t->m_TEX0.PSM == PSM_PSMCT32)
{
t->m_TEX0.PSM = PSM_PSMCT24;
t->m_dirty_alpha = false;
++i;
}
else
{
i = list.erase(j);
GL_CACHE("TC: Remove Target(%s) %d (0x%x)", to_string(type),
t->m_texture ? t->m_texture->GetID() : 0,
t->m_TEX0.TBP0);
delete t;
}
}
else
{