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GS/HW: Isolate early returns for blending. 

Optimization.
This commit is contained in:
lightningterror 2023-08-12 15:53:35 +02:00
parent d19e9cc662
commit 7ed33832b8
1 changed files with 17 additions and 15 deletions
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32
pcsx2/GS/Renderers/HW/GSRendererHW.cpp
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@ -3466,21 +3466,23 @@ __ri bool GSRendererHW::EmulateChannelShuffle(GSTextureCache::Target* src, bool
void GSRendererHW::EmulateBlending(int rt_alpha_min, int rt_alpha_max, bool& DATE_PRIMID, bool& DATE_BARRIER, bool& blending_alpha_pass)
{
// 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.
const bool AA1 = PRIM->AA1 && (m_vt.m_primclass == GS_LINE_CLASS || m_vt.m_primclass == GS_TRIANGLE_CLASS);
// PABE: Check condition early as an optimization.
const bool PABE = PRIM->ABE && m_draw_env->PABE.PABE && (GetAlphaMinMax().max < 128);
// FBMASK: Color is not written, no need to do blending.
const u32 temp_fbmask = m_conf.ps.dfmt == 2 ? 0x00F8F8F8 : 0x00FFFFFF;
const bool FBMASK = (m_cached_ctx.FRAME.FBMSK & temp_fbmask) == temp_fbmask;
// No blending or coverage anti-aliasing so early exit
if (FBMASK || PABE || !(PRIM->ABE || AA1))
{
m_conf.blend = {};
m_conf.ps.no_color1 = true;
return;
// 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.
const bool AA1 = PRIM->AA1 && (m_vt.m_primclass == GS_LINE_CLASS || m_vt.m_primclass == GS_TRIANGLE_CLASS);
// PABE: Check condition early as an optimization.
const bool PABE = PRIM->ABE && m_draw_env->PABE.PABE && (GetAlphaMinMax().max < 128);
// FBMASK: Color is not written, no need to do blending.
const u32 temp_fbmask = m_conf.ps.dfmt == 2 ? 0x00F8F8F8 : 0x00FFFFFF;
const bool FBMASK = (m_cached_ctx.FRAME.FBMSK & temp_fbmask) == temp_fbmask;
// No blending or coverage anti-aliasing so early exit
if (FBMASK || PABE || !(PRIM->ABE || AA1))
{
m_conf.blend = {};
m_conf.ps.no_color1 = true;
return;
}
}
// Compute the blending equation to detect special case
@ -4024,7 +4026,7 @@ void GSRendererHW::EmulateBlending(int rt_alpha_min, int rt_alpha_max, bool& DAT
{
m_conf.ps.blend_hw = 1;
}
else if (blend_flag & (BLEND_HW_CLR2))
else if (blend_flag & BLEND_HW_CLR2)
{
if (m_conf.ps.blend_c == 2)
m_conf.cb_ps.TA_MaxDepth_Af.a = static_cast<float>(AFIX) / 128.0f;