From b292022bc7ac424ed00dd606b5f18ee32b9b576a Mon Sep 17 00:00:00 2001
From: iwubcode <iwubcode@users.noreply.github.com>
Date: Mon, 16 Oct 2023 19:23:00 -0500
Subject: [PATCH] VideoCommon: use ToLower function in assets when parsing
 json, for proper locale independent behavior

---
 Source/Core/VideoCommon/Assets/ShaderAsset.cpp  |  4 ++--
 Source/Core/VideoCommon/Assets/TextureAsset.cpp | 10 ++++------
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/Source/Core/VideoCommon/Assets/ShaderAsset.cpp b/Source/Core/VideoCommon/Assets/ShaderAsset.cpp
index f71ed65ff7..e58b9bfbb6 100644
--- a/Source/Core/VideoCommon/Assets/ShaderAsset.cpp
+++ b/Source/Core/VideoCommon/Assets/ShaderAsset.cpp
@@ -9,6 +9,7 @@
 #include <utility>
 
 #include "Common/Logging/Log.h"
+#include "Common/StringUtil.h"
 #include "VideoCommon/Assets/CustomAssetLibrary.h"
 
 namespace VideoCommon
@@ -47,8 +48,7 @@ bool ParseShaderProperties(const VideoCommon::CustomAssetLibrary::AssetID& asset
       return false;
     }
     std::string type = type_iter->second.to_str();
-    std::transform(type.begin(), type.end(), type.begin(),
-                   [](unsigned char c) { return std::tolower(c); });
+    Common::ToLower(&type);
 
     static constexpr std::array<std::pair<std::string_view, ShaderProperty::Type>,
                                 static_cast<int>(ShaderProperty::Type::Type_Max)>
diff --git a/Source/Core/VideoCommon/Assets/TextureAsset.cpp b/Source/Core/VideoCommon/Assets/TextureAsset.cpp
index 9418add8d1..484e89c19d 100644
--- a/Source/Core/VideoCommon/Assets/TextureAsset.cpp
+++ b/Source/Core/VideoCommon/Assets/TextureAsset.cpp
@@ -4,6 +4,7 @@
 #include "VideoCommon/Assets/TextureAsset.h"
 
 #include "Common/Logging/Log.h"
+#include "Common/StringUtil.h"
 #include "VideoCommon/BPMemory.h"
 
 namespace VideoCommon
@@ -31,8 +32,7 @@ bool ParseSampler(const VideoCommon::CustomAssetLibrary::AssetID& asset_id,
     return false;
   }
   std::string sampler_state_mode = sampler_state_mode_iter->second.to_str();
-  std::transform(sampler_state_mode.begin(), sampler_state_mode.end(), sampler_state_mode.begin(),
-                 [](unsigned char c) { return std::tolower(c); });
+  Common::ToLower(&sampler_state_mode);
 
   if (sampler_state_mode == "clamp")
   {
@@ -71,8 +71,7 @@ bool ParseSampler(const VideoCommon::CustomAssetLibrary::AssetID& asset_id,
     return false;
   }
   std::string sampler_state_filter = sampler_state_filter_iter->second.to_str();
-  std::transform(sampler_state_filter.begin(), sampler_state_filter.end(),
-                 sampler_state_filter.begin(), [](unsigned char c) { return std::tolower(c); });
+  Common::ToLower(&sampler_state_filter);
   if (sampler_state_filter == "linear")
   {
     sampler->tm0.min_filter = FilterMode::Linear;
@@ -116,8 +115,7 @@ bool TextureData::FromJson(const CustomAssetLibrary::AssetID& asset_id,
     return false;
   }
   std::string type = type_iter->second.to_str();
-  std::transform(type.begin(), type.end(), type.begin(),
-                 [](unsigned char c) { return std::tolower(c); });
+  Common::ToLower(&type);
 
   if (type == "texture2d")
   {