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GS/HW: Only allow tex is fb on alpha if draw is recursive

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refractionpcsx2 2024-02-09 10:52:00 +00:00
parent 941a8832bf
commit 85e899b92c
1 changed files with 4 additions and 1 deletions
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5
pcsx2/GS/Renderers/HW/GSRendererHW.cpp
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@ -4914,7 +4914,10 @@ bool GSRendererHW::CanUseTexIsFB(const GSTextureCache::Target* rt, const GSTextu
// This pattern is used by several games to emulate a stencil (shadow)
// Ratchet & Clank, Jak do alpha integer multiplication (tfx) which is mostly equivalent to +1/-1
// Tri-Ace (Star Ocean 3/RadiataStories/VP2) uses a palette to handle the +1/-1
if (m_cached_ctx.FRAME.FBMSK == 0x00FFFFFF)
// Update: This isn't really needed anymore, if you use autoflush, however there's a reasonable speed impact (about 30%) in not using this.
// Added the diff check to make sure it's reading the same data seems to be fine for Jak, VP2, Star Ocean, without breaking X2: Wolverine, which broke without that check.
const GSVector4 diff(m_vt.m_min.p.upld(m_vt.m_max.p) - m_vt.m_min.t.upld(m_vt.m_max.t));
if (m_cached_ctx.FRAME.FBMSK == 0x00FFFFFF && (diff.abs() < GSVector4(1.0f)).alltrue())
{
GL_CACHE("Tex-is-fb hack for Jak");
return true;