GS/HW: Fix misdetection of draw as clear with fog effect

PCSX2 · Jan 12, 2025 · 28d2f39 · 28d2f39
1 parent bf10ca4
commit 28d2f39
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/pcsx2/GS/Renderers/HW/GSRendererHW.cpp b/pcsx2/GS/Renderers/HW/GSRendererHW.cpp
@@ -7413,9 +7413,10 @@ ClearType GSRendererHW::IsConstantDirectWriteMemClear()
 		&& !(m_draw_env->SCANMSK.MSK & 2) && !m_cached_ctx.TEST.ATE // no alpha test
 		&& !m_cached_ctx.TEST.DATE // no destination alpha test
 		&& (!m_cached_ctx.TEST.ZTE || m_cached_ctx.TEST.ZTST == ZTST_ALWAYS) // no depth test
-		&& (m_vt.m_eq.rgba == 0xFFFF || m_vertex.next == 2)) // constant color write
+		&& (m_vt.m_eq.rgba == 0xFFFF || m_vertex.next == 2) // constant color write
+		&& (!PRIM->FGE || m_vt.m_min.p.w == 255.0f)) // No fog effect
 	{
-		if (PRIM->ABE && (!m_context->ALPHA.IsOpaque() || m_cached_ctx.FRAME.FBMSK))
+		if ((PRIM->ABE && !m_context->ALPHA.IsOpaque()) || (m_cached_ctx.FRAME.FBMSK & GSLocalMemory::m_psm[m_cached_ctx.FRAME.PSM].fmsk))
 			return ClearWithDraw;
 
 		return NormalClear;