Fix max alpha check for decorrect

PCSX2 · Feb 27, 2024 · 339c370 · 339c370
1 parent 8702ae4
commit 339c370
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/pcsx2/GS/Renderers/HW/GSRendererHW.cpp b/pcsx2/GS/Renderers/HW/GSRendererHW.cpp
@@ -5279,9 +5279,11 @@ __ri void GSRendererHW::DrawPrims(GSTextureCache::Target* rt, GSTextureCache::Ta
 		}
 	}
 
+	if (rt)
 	{
-		const bool rta_decorrection = m_channel_shuffle || m_texture_shuffle || blend_alpha_max > 128 || m_conf.ps.fbmask || m_conf.ps.tex_is_fb;
-		if (rt && rta_decorrection)
+		const bool rta_decorrection = m_channel_shuffle || m_texture_shuffle || std::max(blend_alpha_max, rt->m_alpha_max) > 128 || m_conf.ps.fbmask || m_conf.ps.tex_is_fb;
+
+		if (rta_decorrection)
 		{
 			if (rt->m_last_draw == s_n)
 				rt->m_rt_alpha_scale = false;
@@ -5291,7 +5293,7 @@ __ri void GSRendererHW::DrawPrims(GSTextureCache::Target* rt, GSTextureCache::Ta
 				m_conf.rt = rt->m_texture;
 			}
 		}
-		else if (rt)
+		else
 			m_conf.ps.rta_correction = rt->m_rt_alpha_scale;
 	}