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GS-hw: Move the sw blend for BLEND_C_CLR3 to High level and upper. 

Reading the frame buffer is slow, let's allow hw blend to run, can partially handle it.
This commit is contained in:
lightningterror 2022-02-02 16:54:41 +01:00
parent 3ca4272230
commit ec7e8989a6
1 changed files with 5 additions and 3 deletions
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8
pcsx2/GS/Renderers/HW/GSRendererNew.cpp
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@ -613,9 +613,10 @@ void GSRendererNew::EmulateBlending(bool& DATE_PRIMID, bool& DATE_BARRIER)
else
{
// Blend can be done on hw. As and F cases should be accurate.
// BLEND_C_CLR1 with Ad, BLEND_C_CLR4 Cs > 0.5f will require sw blend.
// BLEND_C_CLR1 with As/F, BLEND_C_CLR2_AF, BLEND_C_CLR3_AS can be done in hw.
// BLEND_C_CLR1 with Ad, BLEND_C_CLR3 Cs > 0.5f will require sw blend.
// BLEND_C_CLR1 with As/F, BLEND_C_CLR2_AF, BLEND_C_CLR2_AS can be done in hw.
const bool clr_blend = !!(blend_flag & (BLEND_C_CLR1 | BLEND_C_CLR2_AF | BLEND_C_CLR2_AS | BLEND_C_CLR3));
const bool clr_blend3 = !!(blend_flag & BLEND_C_CLR3);
// FBMASK already reads the fb so it is safe to enable sw blend when there is no overlap.
const bool fbmask_no_overlap = m_conf.require_one_barrier && (m_prim_overlap == PRIM_OVERLAP_NO);
@ -632,7 +633,8 @@ void GSRendererNew::EmulateBlending(bool& DATE_PRIMID, bool& DATE_BARRIER)
[[fallthrough]];
case AccBlendLevel::Medium:
// If prims don't overlap prefer full sw blend on blend_ad_alpha_masked cases.
if (blend_ad_alpha_masked && m_prim_overlap == PRIM_OVERLAP_NO)
// Exclude clr_blend3 as it can do hw blending partially.
if (blend_ad_alpha_masked && !clr_blend3 && m_prim_overlap == PRIM_OVERLAP_NO)
{
accumulation_blend = false;
sw_blending |= true;