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GS-hw: Exclude triangles from no prim overlap fb read on dx11. 

Fixes mgs3 regression on ultra blending.
This commit is contained in:
lightningterror 2022-01-25 21:34:35 +01:00
parent 5974856924
commit ca55d86187
1 changed files with 6 additions and 4 deletions
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10
pcsx2/GS/Renderers/HW/GSRendererNew.cpp
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@ -588,19 +588,21 @@ void GSRendererNew::EmulateBlending(bool& DATE_PRIMID, bool& DATE_BARRIER)
}
else
{
// Exclude triangles, breaks mgs3 on ultra blending.
const bool no_overlap_no_triangles = (m_prim_overlap == PRIM_OVERLAP_NO) && (m_vt.m_primclass != GS_TRIANGLE_CLASS);
// 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_conf.ps.fbmask && m_prim_overlap == PRIM_OVERLAP_NO;
const bool fbmask_no_overlap = m_conf.require_one_barrier && no_overlap_no_triangles;
switch (GSConfig.AccurateBlendingUnit)
{
case AccBlendLevel::Ultra:
sw_blending |= (m_prim_overlap == PRIM_OVERLAP_NO);
sw_blending |= no_overlap_no_triangles;
[[fallthrough]];
case AccBlendLevel::Full:
sw_blending |= (blend_mix && (alpha_c2_high_one || alpha_c0_high_max_one) && m_prim_overlap == PRIM_OVERLAP_NO);
sw_blending |= (blend_mix && (alpha_c2_high_one || alpha_c0_high_max_one) && no_overlap_no_triangles);
[[fallthrough]];
case AccBlendLevel::High:
sw_blending |= (!blend_mix && m_prim_overlap == PRIM_OVERLAP_NO);
sw_blending |= (!blend_mix && no_overlap_no_triangles);
[[fallthrough]];
case AccBlendLevel::Medium:
case AccBlendLevel::Basic: