Config: Add an option to skip saving texture cache to save state

Source/Core/Core/Config/GraphicsSettings.cpp

@@ -91,6 +91,8 @@ const ConfigInfo<int> GFX_SHADER_COMPILER_THREADS{
     {System::GFX, "Settings", "ShaderCompilerThreads"}, 1};
 const ConfigInfo<int> GFX_SHADER_PRECOMPILER_THREADS{
     {System::GFX, "Settings", "ShaderPrecompilerThreads"}, 1};
+const ConfigInfo<bool> GFX_SAVE_TEXTURE_CACHE_TO_STATE{
+    {System::GFX, "Settings", "SaveTextureCacheToState"}, true};
 
 const ConfigInfo<bool> GFX_SW_ZCOMPLOC{{System::GFX, "Settings", "SWZComploc"}, true};
 const ConfigInfo<bool> GFX_SW_ZFREEZE{{System::GFX, "Settings", "SWZFreeze"}, true};

Source/Core/Core/Config/GraphicsSettings.h

@@ -67,6 +67,7 @@ extern const ConfigInfo<bool> GFX_WAIT_FOR_SHADERS_BEFORE_STARTING;
 extern const ConfigInfo<ShaderCompilationMode> GFX_SHADER_COMPILATION_MODE;
 extern const ConfigInfo<int> GFX_SHADER_COMPILER_THREADS;
 extern const ConfigInfo<int> GFX_SHADER_PRECOMPILER_THREADS;
+extern const ConfigInfo<bool> GFX_SAVE_TEXTURE_CACHE_TO_STATE;
 
 extern const ConfigInfo<bool> GFX_SW_ZCOMPLOC;
 extern const ConfigInfo<bool> GFX_SW_ZFREEZE;

Source/Core/Core/ConfigLoaders/IsSettingSaveable.cpp

@@ -90,6 +90,7 @@ bool IsSettingSaveable(const Config::ConfigLocation& config_location)
       Config::GFX_SHADER_COMPILATION_MODE.location,
       Config::GFX_SHADER_COMPILER_THREADS.location,
       Config::GFX_SHADER_PRECOMPILER_THREADS.location,
+      Config::GFX_SAVE_TEXTURE_CACHE_TO_STATE.location,
 
       Config::GFX_SW_ZCOMPLOC.location,
       Config::GFX_SW_ZFREEZE.location,

Source/Core/DolphinQt/Config/Graphics/HacksWidget.cpp

@@ -100,10 +100,13 @@ void HacksWidget::CreateWidgets()
   m_disable_bounding_box =
       new GraphicsBool(tr("Disable Bounding Box"), Config::GFX_HACK_BBOX_ENABLE, true);
   m_vertex_rounding = new GraphicsBool(tr("Vertex Rounding"), Config::GFX_HACK_VERTEX_ROUDING);
+  m_save_texture_cache_state =
+      new GraphicsBool(tr("Save Texture Cache to State"), Config::GFX_SAVE_TEXTURE_CACHE_TO_STATE);
 
   other_layout->addWidget(m_fast_depth_calculation, 0, 0);
   other_layout->addWidget(m_disable_bounding_box, 0, 1);
   other_layout->addWidget(m_vertex_rounding, 1, 0);
+  other_layout->addWidget(m_save_texture_cache_state, 1, 1);
 
   main_layout->addWidget(efb_box);
   main_layout->addWidget(texture_cache_box);
@@ -244,6 +247,10 @@ void HacksWidget::AddDescriptions()
   static const char TR_DISABLE_BOUNDINGBOX_DESCRIPTION[] =
       QT_TR_NOOP("Disables bounding box emulation.\n\nThis may improve GPU performance "
                  "significantly, but some games will break.\n\nIf unsure, leave this checked.");
+  static const char TR_SAVE_TEXTURE_CACHE_TO_STATE_DESCRIPTION[] = QT_TR_NOOP(
+      "Includes the contents of the embedded frame buffer (EFB) and upscaled EFB copies "
+      "in save states. Fixes missing and/or non-upscaled textures/objects when loading "
+      "states at the cost of additional save/load time.\n\nIf unsure, leave this checked.");
   static const char TR_VERTEX_ROUNDING_DESCRIPTION[] =
       QT_TR_NOOP("Rounds 2D vertices to whole pixels.\n\nFixes graphical problems in some games at "
                  "higher internal resolutions. This setting has no effect when native internal "
@@ -259,6 +266,7 @@ void HacksWidget::AddDescriptions()
   AddDescription(m_gpu_texture_decoding, TR_GPU_DECODING_DESCRIPTION);
   AddDescription(m_fast_depth_calculation, TR_FAST_DEPTH_CALC_DESCRIPTION);
   AddDescription(m_disable_bounding_box, TR_DISABLE_BOUNDINGBOX_DESCRIPTION);
+  AddDescription(m_save_texture_cache_state, TR_SAVE_TEXTURE_CACHE_TO_STATE_DESCRIPTION);
   AddDescription(m_vertex_rounding, TR_VERTEX_ROUNDING_DESCRIPTION);
 }
 

Source/Core/DolphinQt/Config/Graphics/HacksWidget.h

@@ -42,6 +42,7 @@ private:
   QCheckBox* m_fast_depth_calculation;
   QCheckBox* m_disable_bounding_box;
   QCheckBox* m_vertex_rounding;
+  QCheckBox* m_save_texture_cache_state;
   QCheckBox* m_defer_efb_copies;
 
   void CreateWidgets();

Source/Core/VideoCommon/FramebufferManager.cpp

@@ -10,6 +10,7 @@
 #include "Common/ChunkFile.h"
 #include "Common/Logging/Log.h"
 #include "Common/MsgHandler.h"
+#include "Core/Config/GraphicsSettings.h"
 #include "VideoCommon/AbstractFramebuffer.h"
 #include "VideoCommon/AbstractPipeline.h"
 #include "VideoCommon/AbstractShader.h"
@@ -862,6 +863,11 @@ void FramebufferManager::DoState(PointerWrap& p)
 {
   FlushEFBPokes();
 
+  bool save_efb_state = Config::Get(Config::GFX_SAVE_TEXTURE_CACHE_TO_STATE);
+  p.Do(save_efb_state);
+  if (!save_efb_state)
+    return;
+
   if (p.GetMode() == PointerWrap::MODE_WRITE || p.GetMode() == PointerWrap::MODE_MEASURE)
     DoSaveState(p);
   else

Source/Core/VideoCommon/TextureCacheBase.cpp

@@ -24,6 +24,7 @@
 #include "Common/MemoryUtil.h"
 #include "Common/StringUtil.h"
 
+#include "Core/Config/GraphicsSettings.h"
 #include "Core/ConfigManager.h"
 #include "Core/FifoPlayer/FifoPlayer.h"
 #include "Core/FifoPlayer/FifoRecorder.h"
@@ -469,7 +470,7 @@ std::optional<TextureCacheBase::TexPoolEntry> TextureCacheBase::DeserializeTextu
   std::vector<u8> texture_data;
   p.Do(texture_data);
 
-  if (p.GetMode() != PointerWrap::MODE_READ)
+  if (p.GetMode() != PointerWrap::MODE_READ || texture_data.empty())
     return std::nullopt;
 
   auto tex = AllocateTexture(config);
@@ -546,6 +547,8 @@ void TextureCacheBase::DoSaveState(PointerWrap& p)
   // of address/hash to entry ID.
   std::vector<std::pair<u32, u32>> textures_by_address_list;
   std::vector<std::pair<u64, u32>> textures_by_hash_list;
+  if (Config::Get(Config::GFX_SAVE_TEXTURE_CACHE_TO_STATE))
+  {
     for (const auto& it : textures_by_address)
     {
       if (ShouldSaveEntry(it.second))
@@ -562,6 +565,7 @@ void TextureCacheBase::DoSaveState(PointerWrap& p)
         textures_by_hash_list.push_back(std::make_pair(it.first, id));
       }
     }
+  }
 
   // Save the texture cache entries out in the order the were referenced.
   u32 size = static_cast<u32>(entries_to_save.size());