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GS-hw: Optimize PABE. 

Add an early condition to check if alpha is lower than 128, if so then no blending so early exit.
This commit is contained in:
lightningterror 2021-12-28 09:40:01 +01:00
parent b773ab3fb4
commit 04ef9af703
1 changed files with 4 additions and 2 deletions
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6
pcsx2/GS/Renderers/HW/GSRendererNew.cpp
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@ -516,10 +516,12 @@ void GSRendererNew::EmulateBlending(bool& DATE_GL42, bool& DATE_GL45)
{ {
// AA1: Don't enable blending on AA1, not yet implemented on hardware mode, // AA1: Don't enable blending on AA1, not yet implemented on hardware mode,
// it requires coverage sample so it's safer to turn it off instead. // it requires coverage sample so it's safer to turn it off instead.
const bool aa1 = PRIM->AA1 && (m_vt.m_primclass == GS_LINE_CLASS); const bool AA1 = PRIM->AA1 && (m_vt.m_primclass == GS_LINE_CLASS);
// PABE: Check condition early as an optimization.
const bool PABE = PRIM->ABE && m_env.PABE.PABE && (GetAlphaMinMax().max < 128);
// No blending or coverage anti-aliasing so early exit // No blending or coverage anti-aliasing so early exit
if (!(PRIM->ABE || m_env.PABE.PABE || aa1)) if (PABE || !(PRIM->ABE || AA1))
{ {
m_conf.blend = {}; m_conf.blend = {};
return; return;