InputCommon: Introducing the "Dynamic Input Texture". Configuration links an emulated input action to an image based on what host key is defined for that emulated input. Specific regions are called out in configuration that mark where to replace an input button with a host key image.

Source/Core/InputCommon/DynamicInputTextureManager.h

@@ -0,0 +1,27 @@
+// Copyright 2019 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "Common/IniFile.h"
+
+#include <string>
+#include <vector>
+
+namespace InputCommon
+{
+class DynamicInputTextureConfiguration;
+class DynamicInputTextureManager
+{
+public:
+  DynamicInputTextureManager();
+  ~DynamicInputTextureManager();
+  void Load();
+  void GenerateTextures(const IniFile::Section* sec, const std::string& controller_name);
+
+private:
+  std::vector<DynamicInputTextureConfiguration> m_configuration;
+  std::string m_config_type;
+};
+}  // namespace InputCommon