From c2777ff989518012c2e3148f124d365771275a39 Mon Sep 17 00:00:00 2001
From: Gregory Hainaut <gregory.hainaut@gmail.com>
Date: Sun, 2 Oct 2016 13:23:38 +0200
Subject: [PATCH] gsdx state: split IsMipmapActive in 2 pieces

This way we can test if a draw call requires a triliner filtering.
It will be used in next commit to implement automatic trilinear
---
 plugins/GSdx/GSState.cpp | 7 ++++++-
 plugins/GSdx/GSState.h   | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/plugins/GSdx/GSState.cpp b/plugins/GSdx/GSState.cpp
index c5f2ec47d0..380b543224 100644
--- a/plugins/GSdx/GSState.cpp
+++ b/plugins/GSdx/GSState.cpp
@@ -3183,9 +3183,14 @@ bool GSState::IsOpaque()
 	return context->ALPHA.IsOpaque(amin, amax);
 }
 
+bool GSState::IsMipMapDraw()
+{
+	return m_context->TEX1.MXL > 0 && m_context->TEX1.MMIN >= 2 && m_context->TEX1.MMIN <= 5 && m_vt.m_lod.y > 0;
+}
+
 bool GSState::IsMipMapActive()
 {
-	return m_mipmap && m_context->TEX1.MXL > 0 && m_context->TEX1.MMIN >= 2 && m_context->TEX1.MMIN <= 5 && m_vt.m_lod.y > 0; 
+	return m_mipmap && IsMipMapDraw();
 }
 
 GIFRegTEX0 GSState::GetTex0Layer(int lod)
diff --git a/plugins/GSdx/GSState.h b/plugins/GSdx/GSState.h
index 48c0f46583..e12ce478ce 100644
--- a/plugins/GSdx/GSState.h
+++ b/plugins/GSdx/GSState.h
@@ -204,6 +204,7 @@ protected:
 	void GetAlphaMinMax();
 	bool TryAlphaTest(uint32& fm, uint32& zm);
 	bool IsOpaque();
+	bool IsMipMapDraw();
 	bool IsMipMapActive();
 	GIFRegTEX0 GetTex0Layer(int lod);