Core / DolphinQt / InputCommon: reduce the number disk writes when using DynamicInputTextures

Source/Core/InputCommon/DynamicInputTextureManager.cpp

@@ -12,6 +12,7 @@
 #include "Core/Core.h"
 
 #include "InputCommon/DynamicInputTextures/DITConfiguration.h"
+#include "InputCommon/ImageOperations.h"
 #include "VideoCommon/HiresTextures.h"
 #include "VideoCommon/TextureCacheBase.h"
 
@@ -42,9 +43,34 @@ void DynamicInputTextureManager::Load()
 void DynamicInputTextureManager::GenerateTextures(const Common::IniFile& file,
                                                   const std::vector<std::string>& controller_names)
 {
+  DynamicInputTextures::OutputDetails output;
   for (const auto& configuration : m_configuration)
   {
-    (void)configuration.GenerateTextures(file, controller_names);
+    configuration.GenerateTextures(file, controller_names, &output);
+  }
+
+  const std::string& game_id = SConfig::GetInstance().GetGameID();
+  for (const auto& [generated_folder_name, images] : output)
+  {
+    const auto hi_res_folder = File::GetUserPath(D_HIRESTEXTURES_IDX) + generated_folder_name;
+
+    if (!File::IsDirectory(hi_res_folder))
+    {
+      File::CreateDir(hi_res_folder);
+    }
+
+    const auto game_id_folder = hi_res_folder + DIR_SEP + "gameids";
+    if (!File::IsDirectory(game_id_folder))
+    {
+      File::CreateDir(game_id_folder);
+    }
+
+    File::CreateEmptyFile(game_id_folder + DIR_SEP + game_id + ".txt");
+
+    for (const auto& [image_name, image] : images)
+    {
+      WriteImage(hi_res_folder + DIR_SEP + image_name, image);
+    }
   }
 }
 }  // namespace InputCommon

Source/Core/InputCommon/DynamicInputTextures/DITConfiguration.cpp

@@ -10,7 +10,6 @@
 #include <picojson.h>
 
 #include "Common/CommonPaths.h"
-#include "Common/FileUtil.h"
 #include "Common/IniFile.h"
 #include "Common/JsonUtil.h"
 #include "Common/Logging/Log.h"
@@ -68,26 +67,30 @@ Configuration::Configuration(const std::string& json_path)
 
 Configuration::~Configuration() = default;
 
-bool Configuration::GenerateTextures(const Common::IniFile& file,
-                                     const std::vector<std::string>& controller_names) const
+void Configuration::GenerateTextures(const Common::IniFile& file,
+                                     const std::vector<std::string>& controller_names,
+                                     OutputDetails* output) const
 {
-  bool any_dirty = false;
   for (const auto& texture_data : m_dynamic_input_textures)
   {
-    any_dirty |= GenerateTexture(file, controller_names, texture_data);
+    GenerateTexture(file, controller_names, texture_data, output);
   }
-
-  return any_dirty;
 }
 
-bool Configuration::GenerateTexture(const Common::IniFile& file,
+void Configuration::GenerateTexture(const Common::IniFile& file,
                                     const std::vector<std::string>& controller_names,
-                                    const Data& texture_data) const
+                                    const Data& texture_data, OutputDetails* output) const
 {
   // Two copies of the loaded texture
   // The first one is used as a fallback if a key or device isn't mapped
   // the second one is used as the final image to write to the textures directory
   const auto original_image = LoadImage(m_base_path + texture_data.m_image_name);
+  if (!original_image)
+  {
+    ERROR_LOG_FMT(VIDEO, "Failed to load image '{}' needed for dynamic input texture generation",
+                  texture_data.m_image_name);
+    return;
+  }
   auto image_to_write = original_image;
 
   bool dirty = false;
@@ -179,25 +182,8 @@ bool Configuration::GenerateTexture(const Common::IniFile& file,
 
   if (dirty)
   {
-    const std::string& game_id = SConfig::GetInstance().GetGameID();
-    const auto hi_res_folder =
-        File::GetUserPath(D_HIRESTEXTURES_IDX) + texture_data.m_generated_folder_name;
-    if (!File::IsDirectory(hi_res_folder))
-    {
-      File::CreateDir(hi_res_folder);
-    }
-    WriteImage(hi_res_folder + DIR_SEP + texture_data.m_hires_texture_name, *image_to_write);
-
-    const auto game_id_folder = hi_res_folder + DIR_SEP + "gameids";
-    if (!File::IsDirectory(game_id_folder))
-    {
-      File::CreateDir(game_id_folder);
-    }
-    File::CreateEmptyFile(game_id_folder + DIR_SEP + game_id + ".txt");
-
-    return true;
+    (*output)[texture_data.m_generated_folder_name][texture_data.m_hires_texture_name] =
+        std::move(*image_to_write);
   }
-
-  return false;
 }
 }  // namespace InputCommon::DynamicInputTextures

Source/Core/InputCommon/DynamicInputTextures/DITConfiguration.h

@@ -3,11 +3,13 @@
 
 #pragma once
 
+#include <map>
 #include <string>
 #include <vector>
 
 #include "Common/CommonTypes.h"
 #include "InputCommon/DynamicInputTextures/DITData.h"
+#include "InputCommon/ImageOperations.h"
 
 namespace Common
 {
@@ -16,18 +18,21 @@ class IniFile;
 
 namespace InputCommon::DynamicInputTextures
 {
+// Output folder name to image name to image data
+using OutputDetails = std::map<std::string, std::map<std::string, ImagePixelData>>;
 class Configuration
 {
 public:
   explicit Configuration(const std::string& json_path);
   ~Configuration();
-  bool GenerateTextures(const Common::IniFile& file,
-                        const std::vector<std::string>& controller_names) const;
+  void GenerateTextures(const Common::IniFile& file,
+                        const std::vector<std::string>& controller_names,
+                        OutputDetails* output) const;
 
 private:
-  bool GenerateTexture(const Common::IniFile& file,
-                       const std::vector<std::string>& controller_names,
-                       const Data& texture_data) const;
+  void GenerateTexture(const Common::IniFile& file,
+                       const std::vector<std::string>& controller_names, const Data& texture_data,
+                       OutputDetails* output) const;
 
   std::vector<Data> m_dynamic_input_textures;
   std::string m_base_path;

Source/Core/InputCommon/InputConfig.cpp

@@ -35,8 +35,6 @@ bool InputConfig::LoadConfig()
   static constexpr std::array<std::string_view, MAX_BBMOTES> num = {"1", "2", "3", "4", "BB"};
   std::string profile[MAX_BBMOTES];
 
-  m_dynamic_input_tex_config_manager.Load();
-
   if (SConfig::GetInstance().GetGameID() != "00000000")
   {
     const std::string profile_directory = GetUserProfileDirectoryPath();
@@ -102,8 +100,6 @@ bool InputConfig::LoadConfig()
       // Next profile
       n++;
     }
-
-    m_dynamic_input_tex_config_manager.GenerateTextures(inifile, controller_names);
     return true;
   }
   else
@@ -139,8 +135,6 @@ void InputConfig::SaveConfig()
     controller_names.push_back(controller->GetName());
   }
 
-  m_dynamic_input_tex_config_manager.GenerateTextures(inifile, controller_names);
-
   inifile.Save(ini_filename);
 }
 
@@ -210,6 +204,8 @@ bool InputConfig::IsControllerControlledByGamepadDevice(int index) const
 
 void InputConfig::GenerateControllerTextures(const Common::IniFile& file)
 {
+  m_dynamic_input_tex_config_manager.Load();
+
   std::vector<std::string> controller_names;
   for (auto& controller : m_controllers)
   {
@@ -218,3 +214,18 @@ void InputConfig::GenerateControllerTextures(const Common::IniFile& file)
 
   m_dynamic_input_tex_config_manager.GenerateTextures(file, controller_names);
 }
+
+void InputConfig::GenerateControllerTextures()
+{
+  const std::string ini_filename = File::GetUserPath(D_CONFIG_IDX) + m_ini_name + ".ini";
+
+  Common::IniFile inifile;
+  inifile.Load(ini_filename);
+
+  for (auto& controller : m_controllers)
+  {
+    controller->SaveConfig(inifile.GetOrCreateSection(controller->GetName()));
+  }
+
+  GenerateControllerTextures(inifile);
+}

Source/Core/InputCommon/InputConfig.h

@@ -55,6 +55,7 @@ public:
   void UnregisterHotplugCallback();
 
   void GenerateControllerTextures(const Common::IniFile& file);
+  void GenerateControllerTextures();
 
 private:
   ControllerInterface::HotplugCallbackHandle m_hotplug_callback_handle;