From 19332575aa37def859de4bb7bc6f65f7395b2b33 Mon Sep 17 00:00:00 2001
From: Pokechu22 <Pokechu022@gmail.com>
Date: Tue, 20 Jul 2021 12:53:32 -0700
Subject: [PATCH] WrapMode=3 behaves the same as Clamp

---
 Source/Core/VideoCommon/BPMemory.h      | 2 ++
 Source/Core/VideoCommon/RenderState.cpp | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Source/Core/VideoCommon/BPMemory.h b/Source/Core/VideoCommon/BPMemory.h
index 441fafe36c..27ef97e35e 100644
--- a/Source/Core/VideoCommon/BPMemory.h
+++ b/Source/Core/VideoCommon/BPMemory.h
@@ -713,6 +713,8 @@ enum class WrapMode : u32
   Clamp = 0,
   Repeat = 1,
   Mirror = 2,
+  // Hardware testing indicates that WrapMode set to 3 behaves the same as clamp, though this is an
+  // invalid value
 };
 template <>
 struct fmt::formatter<WrapMode> : EnumFormatter<WrapMode::Mirror>
diff --git a/Source/Core/VideoCommon/RenderState.cpp b/Source/Core/VideoCommon/RenderState.cpp
index 52aed4613d..291aa9ce91 100644
--- a/Source/Core/VideoCommon/RenderState.cpp
+++ b/Source/Core/VideoCommon/RenderState.cpp
@@ -240,8 +240,9 @@ void SamplerState::Generate(const BPMemory& bp, u32 index)
   lod_bias = SamplerCommon::AreBpTexMode0MipmapsEnabled(tm0) ? tm0.lod_bias * (256 / 32) : 0;
 
   // Address modes
+  // Hardware testing indicates that wrap_mode set to 3 behaves the same as clamp.
   static constexpr std::array<AddressMode, 4> address_modes = {
-      {AddressMode::Clamp, AddressMode::Repeat, AddressMode::MirroredRepeat, AddressMode::Repeat}};
+      {AddressMode::Clamp, AddressMode::Repeat, AddressMode::MirroredRepeat, AddressMode::Clamp}};
   wrap_u = address_modes[u32(tm0.wrap_s.Value())];
   wrap_v = address_modes[u32(tm0.wrap_t.Value())];
   anisotropic_filtering = 0;