TMEM: Handle savestate and init

Source/Core/Core/State.cpp

@@ -73,7 +73,7 @@ static Common::Event g_compressAndDumpStateSyncEvent;
 static std::thread g_save_thread;
 
 // Don't forget to increase this after doing changes on the savestate system
-constexpr u32 STATE_VERSION = 138;  // Last changed in PR 9670
+constexpr u32 STATE_VERSION = 139;  // Last changed in PR 8350
 
 // Maps savestate versions to Dolphin versions.
 // Versions after 42 don't need to be added to this list,

Source/Core/VideoCommon/TMEM.cpp

@@ -4,6 +4,8 @@
 
 #include <array>
 
+#include "Common/ChunkFile.h"
+
 #include "VideoCommon/BPMemory.h"
 #include "VideoCommon/TMEM.h"
 
@@ -32,9 +34,9 @@ struct TextureUnitState
     bool Overlaps(const BankConfig& other) const;
   };
 
-  BankConfig even;
-  BankConfig odd;
-  State state;
+  BankConfig even = {};
+  BankConfig odd = {};
+  State state = State::INVALID;
 
   bool Overlaps(const TextureUnitState& other) const;
 };
@@ -221,4 +223,14 @@ bool IsValid(u32 unit)
   return s_unit[unit].state != TextureUnitState::State::INVALID;
 }
 
+void Init()
+{
+  s_unit.fill({});
+}
+
+void DoState(PointerWrap& p)
+{
+  p.DoArray(s_unit);
+}
+
 }  // namespace TMEM

Source/Core/VideoCommon/TMEM.h

@@ -18,4 +18,8 @@ void Bind(u32 unit, int num_blocks_width, int num_blocks_height, bool is_mipmapp
 void FinalizeBinds(BitSet32 used_textures);
 bool IsCached(u32 unit);
 bool IsValid(u32 unit);
+
+void Init();
+void DoState(PointerWrap& p);
+
 }  // namespace TMEM

Source/Core/VideoCommon/VideoBackendBase.cpp

@@ -47,6 +47,7 @@
 #include "VideoCommon/PixelEngine.h"
 #include "VideoCommon/PixelShaderManager.h"
 #include "VideoCommon/RenderBase.h"
+#include "VideoCommon/TMEM.h"
 #include "VideoCommon/TextureCacheBase.h"
 #include "VideoCommon/VertexLoaderManager.h"
 #include "VideoCommon/VertexManagerBase.h"
@@ -322,6 +323,7 @@ void VideoBackendBase::InitializeShared()
   VertexShaderManager::Init();
   GeometryShaderManager::Init();
   PixelShaderManager::Init();
+  TMEM::Init();
 
   g_Config.VerifyValidity();
   UpdateActiveConfig();

Source/Core/VideoCommon/VideoState.cpp

@@ -13,6 +13,7 @@
 #include "VideoCommon/PixelEngine.h"
 #include "VideoCommon/PixelShaderManager.h"
 #include "VideoCommon/RenderBase.h"
+#include "VideoCommon/TMEM.h"
 #include "VideoCommon/TextureCacheBase.h"
 #include "VideoCommon/TextureDecoder.h"
 #include "VideoCommon/VertexManagerBase.h"
@@ -46,6 +47,10 @@ void VideoCommon_DoState(PointerWrap& p)
   p.DoArray(texMem);
   p.DoMarker("texMem");
 
+  // TMEM
+  TMEM::DoState(p);
+  p.DoMarker("TMEM");
+
   // FIFO
   Fifo::DoState(p);
   p.DoMarker("Fifo");