From 9346c69343c4cdfbfe0ff41fbdce47f412ccca14 Mon Sep 17 00:00:00 2001
From: refractionpcsx2 <refraction@gmail.com>
Date: Mon, 6 Feb 2023 02:23:56 +0000
Subject: [PATCH] GS-HW: Iterate dirty rects in reverse to join existing ones.

---
 pcsx2/GS/Renderers/HW/GSTextureCache.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pcsx2/GS/Renderers/HW/GSTextureCache.cpp b/pcsx2/GS/Renderers/HW/GSTextureCache.cpp
index 0b8680bd61..32715a0d68 100644
--- a/pcsx2/GS/Renderers/HW/GSTextureCache.cpp
+++ b/pcsx2/GS/Renderers/HW/GSTextureCache.cpp
@@ -91,9 +91,10 @@ void GSTextureCache::AddDirtyRectTarget(Target* target, GSVector4i rect, u32 psm
 {
 	bool skipdirty = false;
 	bool canskip = true;
-	std::vector<GSDirtyRect>::iterator it = target->m_dirty.begin();
-	while (it != target->m_dirty.end())
+	std::vector<GSDirtyRect>::iterator it = target->m_dirty.end();
+	while (it != target->m_dirty.begin())
 	{
+		--it;
 		if (it[0].bw == bw && it[0].psm == psm)
 		{
 			if (it[0].r.rintersect(rect).eq(rect) && canskip)
@@ -112,7 +113,6 @@ void GSTextureCache::AddDirtyRectTarget(Target* target, GSVector4i rect, u32 psm
 				continue;
 			}
 		}
-		++it;
 	}
 
 	if (!skipdirty)