From 93abf66240db19eced42d4c40c7d697f2442488b Mon Sep 17 00:00:00 2001
From: sideprojectslab <sideprojectslab@gmail.com>
Date: Mon, 14 Nov 2022 20:34:53 +0100
Subject: [PATCH] GameDB: forced Alpine Racer 3 deinterlacing to Adaptive BFF
 when Auto

---
 bin/resources/GameIndex.yaml           | 6 ++++++
 pcsx2/GS/Renderers/Common/GSDevice.cpp | 6 +++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/bin/resources/GameIndex.yaml b/bin/resources/GameIndex.yaml
index 6d58e4b2f4..ec36dd0de9 100644
--- a/bin/resources/GameIndex.yaml
+++ b/bin/resources/GameIndex.yaml
@@ -3030,6 +3030,8 @@ SCES-50887:
   name: "Alpine Racer 3"
   region: "PAL-M5"
   compat: 5
+  gsHWFixes:
+    deinterlace: 9 # Game requires Adaptive BFF deinterlacing when auto.
 SCES-50888:
   name: "Pac-Man World 2"
   region: "PAL-M5"
@@ -6457,6 +6459,8 @@ SCPS-51005:
 SCPS-51006:
   name: "Alpine Racer 3"
   region: "NTSC-J"
+  gsHWFixes:
+    deinterlace: 9 # Game requires Adaptive BFF deinterlacing when auto.
 SCPS-51008:
   name: "Wave Rally"
   region: "NTSC-J"
@@ -34700,6 +34704,8 @@ SLPS-20178:
 SLPS-20181:
   name: "Alpine Racer 3"
   region: "NTSC-J"
+  gsHWFixes:
+    deinterlace: 9 # Game requires Adaptive BFF deinterlacing when auto.
 SLPS-20183:
   name: "Motto Golful Golf"
   region: "NTSC-J"
diff --git a/pcsx2/GS/Renderers/Common/GSDevice.cpp b/pcsx2/GS/Renderers/Common/GSDevice.cpp
index 1172fe0494..14b928c08c 100644
--- a/pcsx2/GS/Renderers/Common/GSDevice.cpp
+++ b/pcsx2/GS/Renderers/Common/GSDevice.cpp
@@ -369,18 +369,18 @@ void GSDevice::Interlace(const GSVector2i& ds, int field, int mode, float yoffse
 
 	switch (mode)
 	{
-		case 0: // weave
+		case 0: // Weave
 			ResizeTarget(&m_weavebob, ds.x, ds.y);
 			DoInterlace(m_merge, m_weavebob, 0, false, offset, field);
 			m_current = m_weavebob;
 			break;
-		case 1: // bob
+		case 1: // Bob
 			// Field is reversed here as we are countering the bounce.
 			ResizeTarget(&m_weavebob, ds.x, ds.y);
 			DoInterlace(m_merge, m_weavebob, 1, true, yoffset * (1 - field), 0);
 			m_current = m_weavebob;
 			break;
-		case 2: //Blend
+		case 2: // Blend
 			ResizeTarget(&m_weavebob, ds.x, ds.y);
 			DoInterlace(m_merge, m_weavebob, 0, false, offset, field);
 			ResizeTarget(&m_blend, ds.x, ds.y);