Merge pull request #7283 from Techjar/netplay-improve-settings-sync

NetPlay: Improve settings synchronization and UI

Source/Core/Core/BootManager.cpp

@@ -72,6 +72,7 @@ public:
 private:
   bool valid;
   bool bCPUThread;
+  bool bJITFollowBranch;
   bool bEnableCheats;
   bool bSyncGPUOnSkipIdleHack;
   bool bFPRF;
@@ -80,6 +81,9 @@ private:
   bool bLowDCBZHack;
   bool m_EnableJIT;
   bool bSyncGPU;
+  int iSyncGpuMaxDistance;
+  int iSyncGpuMinDistance;
+  float fSyncGpuOverclock;
   bool bFastDiscSpeed;
   bool bDSPHLE;
   bool bHLE_BS2;
@@ -102,6 +106,7 @@ void ConfigCache::SaveConfig(const SConfig& config)
   valid = true;
 
   bCPUThread = config.bCPUThread;
+  bJITFollowBranch = config.bJITFollowBranch;
   bEnableCheats = config.bEnableCheats;
   bSyncGPUOnSkipIdleHack = config.bSyncGPUOnSkipIdleHack;
   bFPRF = config.bFPRF;
@@ -109,6 +114,9 @@ void ConfigCache::SaveConfig(const SConfig& config)
   bMMU = config.bMMU;
   m_EnableJIT = config.m_DSPEnableJIT;
   bSyncGPU = config.bSyncGPU;
+  iSyncGpuMaxDistance = config.iSyncGpuMaxDistance;
+  iSyncGpuMinDistance = config.iSyncGpuMinDistance;
+  fSyncGpuOverclock = config.fSyncGpuOverclock;
   bFastDiscSpeed = config.bFastDiscSpeed;
   bDSPHLE = config.bDSPHLE;
   bHLE_BS2 = config.bHLE_BS2;
@@ -141,6 +149,7 @@ void ConfigCache::RestoreConfig(SConfig* config)
   valid = false;
 
   config->bCPUThread = bCPUThread;
+  config->bJITFollowBranch = bJITFollowBranch;
   config->bEnableCheats = bEnableCheats;
   config->bSyncGPUOnSkipIdleHack = bSyncGPUOnSkipIdleHack;
   config->bFPRF = bFPRF;
@@ -149,6 +158,9 @@ void ConfigCache::RestoreConfig(SConfig* config)
   config->bLowDCBZHack = bLowDCBZHack;
   config->m_DSPEnableJIT = m_EnableJIT;
   config->bSyncGPU = bSyncGPU;
+  config->iSyncGpuMaxDistance = iSyncGpuMaxDistance;
+  config->iSyncGpuMinDistance = iSyncGpuMinDistance;
+  config->fSyncGpuOverclock = fSyncGpuOverclock;
   config->bFastDiscSpeed = bFastDiscSpeed;
   config->bDSPHLE = bDSPHLE;
   config->bHLE_BS2 = bHLE_BS2;
@@ -237,7 +249,6 @@ bool BootCore(std::unique_ptr<BootParameters> boot)
     IniFile::Section* controls_section = game_ini.GetOrCreateSection("Controls");
 
     core_section->Get("CPUThread", &StartUp.bCPUThread, StartUp.bCPUThread);
-
     core_section->Get("JITFollowBranch", &StartUp.bJITFollowBranch, StartUp.bJITFollowBranch);
     core_section->Get("EnableCheats", &StartUp.bEnableCheats, StartUp.bEnableCheats);
     core_section->Get("SyncOnSkipIdle", &StartUp.bSyncGPUOnSkipIdleHack,
@@ -310,6 +321,7 @@ bool BootCore(std::unique_ptr<BootParameters> boot)
   {
     // TODO: remove this once ConfigManager starts using OnionConfig.
     StartUp.bCPUThread = Config::Get(Config::MAIN_CPU_THREAD);
+    StartUp.bJITFollowBranch = Config::Get(Config::MAIN_JIT_FOLLOW_BRANCH);
     StartUp.bDSPHLE = Config::Get(Config::MAIN_DSP_HLE);
     StartUp.bFastDiscSpeed = Config::Get(Config::MAIN_FAST_DISC_SPEED);
     StartUp.cpu_core = Config::Get(Config::MAIN_CPU_CORE);
@@ -349,6 +361,18 @@ bool BootCore(std::unique_ptr<BootParameters> boot)
     StartUp.m_EXIDevice[1] = netplay_settings.m_EXIDevice[1];
     config_cache.bSetEXIDevice[0] = true;
     config_cache.bSetEXIDevice[1] = true;
+    StartUp.bFPRF = netplay_settings.m_FPRF;
+    StartUp.bAccurateNaNs = netplay_settings.m_AccurateNaNs;
+    StartUp.bSyncGPUOnSkipIdleHack = netplay_settings.m_SyncOnSkipIdle;
+    StartUp.bSyncGPU = netplay_settings.m_SyncGPU;
+    StartUp.iSyncGpuMaxDistance = netplay_settings.m_SyncGpuMaxDistance;
+    StartUp.iSyncGpuMinDistance = netplay_settings.m_SyncGpuMinDistance;
+    StartUp.fSyncGpuOverclock = netplay_settings.m_SyncGpuOverclock;
+    StartUp.bJITFollowBranch = netplay_settings.m_JITFollowBranch;
+    StartUp.bFastDiscSpeed = netplay_settings.m_FastDiscSpeed;
+    StartUp.bMMU = netplay_settings.m_MMU;
+    StartUp.bFastmem = netplay_settings.m_Fastmem;
+    StartUp.bHLE_BS2 = netplay_settings.m_SkipIPL;
   }
   else
   {
@@ -428,4 +452,4 @@ void RestoreConfig()
   config_cache.RestoreConfig(&SConfig::GetInstance());
 }
 
-}  // namespace
+}  // namespace BootManager

Source/Core/Core/Config/MainSettings.cpp

@@ -16,8 +16,10 @@ namespace Config
 // Main.Core
 
 const ConfigInfo<bool> MAIN_SKIP_IPL{{System::Main, "Core", "SkipIPL"}, true};
+const ConfigInfo<bool> MAIN_LOAD_IPL_DUMP{{System::Main, "Core", "LoadIPLDump"}, true};
 const ConfigInfo<PowerPC::CPUCore> MAIN_CPU_CORE{{System::Main, "Core", "CPUCore"},
                                                  PowerPC::DefaultCPUCore()};
+const ConfigInfo<bool> MAIN_JIT_FOLLOW_BRANCH{{System::Main, "Core", "JITFollowBranch"}, true};
 const ConfigInfo<bool> MAIN_FASTMEM{{System::Main, "Core", "Fastmem"}, true};
 const ConfigInfo<bool> MAIN_DSP_HLE{{System::Main, "Core", "DSPHLE"}, true};
 const ConfigInfo<int> MAIN_TIMING_VARIANCE{{System::Main, "Core", "TimingVariance"}, 40};

Source/Core/Core/Config/MainSettings.h

@@ -17,6 +17,8 @@ namespace Config
 {
 // Main.Core
 
+extern const ConfigInfo<bool> MAIN_SKIP_IPL;
+extern const ConfigInfo<bool> MAIN_LOAD_IPL_DUMP;
 extern const ConfigInfo<PowerPC::CPUCore> MAIN_CPU_CORE;
 extern const ConfigInfo<bool> MAIN_JIT_FOLLOW_BRANCH;
 extern const ConfigInfo<bool> MAIN_FASTMEM;

Source/Core/Core/ConfigLoaders/GameConfigLoader.cpp

@@ -83,6 +83,7 @@ static const INIToLocationMap& GetINIToLocationMap()
 static const INIToSectionMap& GetINIToSectionMap()
 {
   static const INIToSectionMap ini_to_section = {
+      {"Core", {Config::System::Main, "Core"}},
       {"Video_Hardware", {Config::System::GFX, "Hardware"}},
       {"Video_Settings", {Config::System::GFX, "Settings"}},
       {"Video_Enhancements", {Config::System::GFX, "Enhancements"}},
@@ -315,4 +316,4 @@ std::unique_ptr<Config::ConfigLayerLoader> GenerateLocalGameConfigLoader(const s
 {
   return std::make_unique<INIGameConfigLayerLoader>(id, revision, false);
 }
-}
+}  // namespace ConfigLoaders

Source/Core/Core/ConfigLoaders/NetPlayConfigLoader.cpp

@@ -9,6 +9,7 @@
 #include "Common/CommonPaths.h"
 #include "Common/Config/Config.h"
 #include "Common/FileUtil.h"
+#include "Core/Config/GraphicsSettings.h"
 #include "Core/Config/MainSettings.h"
 #include "Core/Config/SYSCONFSettings.h"
 #include "Core/NetPlayProto.h"
@@ -36,11 +37,57 @@ public:
     layer->Set(Config::MAIN_SLOT_B, static_cast<int>(m_settings.m_EXIDevice[1]));
     layer->Set(Config::MAIN_WII_SD_CARD_WRITABLE, m_settings.m_WriteToMemcard);
     layer->Set(Config::MAIN_REDUCE_POLLING_RATE, m_settings.m_ReducePollingRate);
-
     layer->Set(Config::MAIN_DSP_JIT, m_settings.m_DSPEnableJIT);
-
     layer->Set(Config::SYSCONF_PROGRESSIVE_SCAN, m_settings.m_ProgressiveScan);
     layer->Set(Config::SYSCONF_PAL60, m_settings.m_PAL60);
+    layer->Set(Config::GFX_HACK_EFB_ACCESS_ENABLE, m_settings.m_EFBAccessEnable);
+    layer->Set(Config::GFX_HACK_BBOX_ENABLE, m_settings.m_BBoxEnable);
+    layer->Set(Config::GFX_HACK_FORCE_PROGRESSIVE, m_settings.m_ForceProgressive);
+    layer->Set(Config::GFX_HACK_SKIP_EFB_COPY_TO_RAM, m_settings.m_EFBToTextureEnable);
+    layer->Set(Config::GFX_HACK_SKIP_XFB_COPY_TO_RAM, m_settings.m_XFBToTextureEnable);
+    layer->Set(Config::GFX_HACK_DISABLE_COPY_TO_VRAM, m_settings.m_DisableCopyToVRAM);
+    layer->Set(Config::GFX_HACK_IMMEDIATE_XFB, m_settings.m_ImmediateXFBEnable);
+    layer->Set(Config::GFX_HACK_EFB_EMULATE_FORMAT_CHANGES, m_settings.m_EFBEmulateFormatChanges);
+    layer->Set(Config::GFX_SAFE_TEXTURE_CACHE_COLOR_SAMPLES,
+               m_settings.m_SafeTextureCacheColorSamples);
+    layer->Set(Config::GFX_PERF_QUERIES_ENABLE, m_settings.m_PerfQueriesEnable);
+    layer->Set(Config::MAIN_FPRF, m_settings.m_FPRF);
+    layer->Set(Config::MAIN_ACCURATE_NANS, m_settings.m_AccurateNaNs);
+    layer->Set(Config::MAIN_SYNC_ON_SKIP_IDLE, m_settings.m_SyncOnSkipIdle);
+    layer->Set(Config::MAIN_SYNC_GPU, m_settings.m_SyncGPU);
+    layer->Set(Config::MAIN_SYNC_GPU_MAX_DISTANCE, m_settings.m_SyncGpuMaxDistance);
+    layer->Set(Config::MAIN_SYNC_GPU_MIN_DISTANCE, m_settings.m_SyncGpuMinDistance);
+    layer->Set(Config::MAIN_SYNC_GPU_OVERCLOCK, m_settings.m_SyncGpuOverclock);
+    layer->Set(Config::MAIN_JIT_FOLLOW_BRANCH, m_settings.m_JITFollowBranch);
+    layer->Set(Config::MAIN_FAST_DISC_SPEED, m_settings.m_FastDiscSpeed);
+    layer->Set(Config::MAIN_MMU, m_settings.m_MMU);
+    layer->Set(Config::MAIN_FASTMEM, m_settings.m_Fastmem);
+    layer->Set(Config::MAIN_SKIP_IPL, m_settings.m_SkipIPL);
+    layer->Set(Config::MAIN_LOAD_IPL_DUMP, m_settings.m_LoadIPLDump);
+
+    if (m_settings.m_StrictSettingsSync)
+    {
+      layer->Set(Config::GFX_HACK_VERTEX_ROUDING, m_settings.m_VertexRounding);
+      layer->Set(Config::GFX_EFB_SCALE, m_settings.m_InternalResolution);
+      layer->Set(Config::GFX_HACK_COPY_EFB_SCALED, m_settings.m_EFBScaledCopy);
+      layer->Set(Config::GFX_FAST_DEPTH_CALC, m_settings.m_FastDepthCalc);
+      layer->Set(Config::GFX_ENABLE_PIXEL_LIGHTING, m_settings.m_EnablePixelLighting);
+      layer->Set(Config::GFX_WIDESCREEN_HACK, m_settings.m_WidescreenHack);
+      layer->Set(Config::GFX_ENHANCE_FORCE_FILTERING, m_settings.m_ForceFiltering);
+      layer->Set(Config::GFX_ENHANCE_MAX_ANISOTROPY, m_settings.m_MaxAnisotropy);
+      layer->Set(Config::GFX_ENHANCE_FORCE_TRUE_COLOR, m_settings.m_ForceTrueColor);
+      layer->Set(Config::GFX_ENHANCE_DISABLE_COPY_FILTER, m_settings.m_DisableCopyFilter);
+      layer->Set(Config::GFX_DISABLE_FOG, m_settings.m_DisableFog);
+      layer->Set(Config::GFX_ENHANCE_ARBITRARY_MIPMAP_DETECTION,
+                 m_settings.m_ArbitraryMipmapDetection);
+      layer->Set(Config::GFX_ENHANCE_ARBITRARY_MIPMAP_DETECTION_THRESHOLD,
+                 m_settings.m_ArbitraryMipmapDetectionThreshold);
+      layer->Set(Config::GFX_ENABLE_GPU_TEXTURE_DECODING, m_settings.m_EnableGPUTextureDecoding);
+
+      // Disable AA as it isn't deterministic across GPUs
+      layer->Set(Config::GFX_MSAA, 1);
+      layer->Set(Config::GFX_SSAA, false);
+    }
 
     if (m_settings.m_SyncSaveData)
     {

Source/Core/Core/HW/EXI/EXI_DeviceIPL.cpp

@@ -11,6 +11,7 @@
 #include "Common/ChunkFile.h"
 #include "Common/CommonPaths.h"
 #include "Common/CommonTypes.h"
+#include "Common/Config/Config.h"
 #include "Common/File.h"
 #include "Common/FileUtil.h"
 #include "Common/Logging/Log.h"
@@ -19,6 +20,7 @@
 #include "Common/Swap.h"
 #include "Common/Timer.h"
 
+#include "Core/Config/MainSettings.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
 #include "Core/CoreTiming.h"
@@ -102,7 +104,8 @@ CEXIIPL::CEXIIPL()
 
   // Load whole ROM dump
   // Note: The Wii doesn't have a copy of the IPL, only fonts.
-  if (!SConfig::GetInstance().bWii && LoadFileToIPL(SConfig::GetInstance().m_strBootROM, 0))
+  if (!SConfig::GetInstance().bWii && Config::Get(Config::MAIN_LOAD_IPL_DUMP) &&
+      LoadFileToIPL(SConfig::GetInstance().m_strBootROM, 0))
   {
     // Descramble the encrypted section (contains BS1 and BS2)
     Descrambler(m_ipl + 0x100, 0x1afe00);
@@ -185,6 +188,17 @@ std::string CEXIIPL::FindIPLDump(const std::string& path_prefix)
   return ipl_dump_path;
 }
 
+bool CEXIIPL::HasIPLDump()
+{
+  std::string ipl_rom_path = FindIPLDump(File::GetUserPath(D_GCUSER_IDX));
+
+  // If not found, check again in Sys folder
+  if (ipl_rom_path.empty())
+    ipl_rom_path = FindIPLDump(File::GetSysDirectory() + GC_SYS_DIR);
+
+  return !ipl_rom_path.empty();
+}
+
 void CEXIIPL::LoadFontFile(const std::string& filename, u32 offset)
 {
   // Official IPL fonts are copyrighted. Dolphin ships with a set of free font alternatives but
@@ -192,6 +206,13 @@ void CEXIIPL::LoadFontFile(const std::string& filename, u32 offset)
   // in some titles. This function check if the user has IPL dumps available and load the fonts
   // from those dumps instead of loading the bundled fonts
 
+  if (!Config::Get(Config::MAIN_LOAD_IPL_DUMP))
+  {
+    // IPL loading disabled, load bundled font instead
+    LoadFileToIPL(filename, offset);
+    return;
+  }
+
   // Check for IPL dumps in User folder
   std::string ipl_rom_path = FindIPLDump(File::GetUserPath(D_GCUSER_IDX));
 

Source/Core/Core/HW/EXI/EXI_DeviceIPL.h

@@ -31,6 +31,8 @@ public:
 
   static void Descrambler(u8* data, u32 size);
 
+  static bool HasIPLDump();
+
 private:
   enum
   {
@@ -74,6 +76,7 @@ private:
   u32 CommandRegion() const { return (m_address & ~(1 << 31)) >> 8; }
   bool LoadFileToIPL(const std::string& filename, u32 offset);
   void LoadFontFile(const std::string& filename, u32 offset);
-  std::string FindIPLDump(const std::string& path_prefix);
+
+  static std::string FindIPLDump(const std::string& path_prefix);
 };
 }  // namespace ExpansionInterface

Source/Core/Core/NetPlayClient.cpp

@@ -424,6 +424,11 @@ unsigned int NetPlayClient::OnData(sf::Packet& packet)
 
     game_status_packet << static_cast<u32>(status);
     Send(game_status_packet);
+
+    sf::Packet ipl_status_packet;
+    ipl_status_packet << static_cast<MessageId>(NP_MSG_IPL_STATUS);
+    ipl_status_packet << ExpansionInterface::CEXIIPL::HasIPLDump();
+    Send(ipl_status_packet);
   }
   break;
 
@@ -480,6 +485,45 @@ unsigned int NetPlayClient::OnData(sf::Packet& packet)
       packet >> tmp;
       m_net_settings.m_EXIDevice[1] = static_cast<ExpansionInterface::TEXIDevices>(tmp);
 
+      packet >> m_net_settings.m_EFBAccessEnable;
+      packet >> m_net_settings.m_BBoxEnable;
+      packet >> m_net_settings.m_ForceProgressive;
+      packet >> m_net_settings.m_EFBToTextureEnable;
+      packet >> m_net_settings.m_XFBToTextureEnable;
+      packet >> m_net_settings.m_DisableCopyToVRAM;
+      packet >> m_net_settings.m_ImmediateXFBEnable;
+      packet >> m_net_settings.m_EFBEmulateFormatChanges;
+      packet >> m_net_settings.m_SafeTextureCacheColorSamples;
+      packet >> m_net_settings.m_PerfQueriesEnable;
+      packet >> m_net_settings.m_FPRF;
+      packet >> m_net_settings.m_AccurateNaNs;
+      packet >> m_net_settings.m_SyncOnSkipIdle;
+      packet >> m_net_settings.m_SyncGPU;
+      packet >> m_net_settings.m_SyncGpuMaxDistance;
+      packet >> m_net_settings.m_SyncGpuMinDistance;
+      packet >> m_net_settings.m_SyncGpuOverclock;
+      packet >> m_net_settings.m_JITFollowBranch;
+      packet >> m_net_settings.m_FastDiscSpeed;
+      packet >> m_net_settings.m_MMU;
+      packet >> m_net_settings.m_Fastmem;
+      packet >> m_net_settings.m_SkipIPL;
+      packet >> m_net_settings.m_LoadIPLDump;
+      packet >> m_net_settings.m_VertexRounding;
+      packet >> m_net_settings.m_InternalResolution;
+      packet >> m_net_settings.m_EFBScaledCopy;
+      packet >> m_net_settings.m_FastDepthCalc;
+      packet >> m_net_settings.m_EnablePixelLighting;
+      packet >> m_net_settings.m_WidescreenHack;
+      packet >> m_net_settings.m_ForceFiltering;
+      packet >> m_net_settings.m_MaxAnisotropy;
+      packet >> m_net_settings.m_ForceTrueColor;
+      packet >> m_net_settings.m_DisableCopyFilter;
+      packet >> m_net_settings.m_DisableFog;
+      packet >> m_net_settings.m_ArbitraryMipmapDetection;
+      packet >> m_net_settings.m_ArbitraryMipmapDetectionThreshold;
+      packet >> m_net_settings.m_EnableGPUTextureDecoding;
+      packet >> m_net_settings.m_StrictSettingsSync;
+
       g_netplay_initial_rtc = Common::PacketReadU64(packet);
 
       packet >> m_net_settings.m_SyncSaveData;

Source/Core/Core/NetPlayProto.h

@@ -37,6 +37,44 @@ struct NetSettings
   bool m_OCEnable;
   float m_OCFactor;
   ExpansionInterface::TEXIDevices m_EXIDevice[2];
+  bool m_EFBAccessEnable;
+  bool m_BBoxEnable;
+  bool m_ForceProgressive;
+  bool m_EFBToTextureEnable;
+  bool m_XFBToTextureEnable;
+  bool m_DisableCopyToVRAM;
+  bool m_ImmediateXFBEnable;
+  bool m_EFBEmulateFormatChanges;
+  int m_SafeTextureCacheColorSamples;
+  bool m_PerfQueriesEnable;
+  bool m_FPRF;
+  bool m_AccurateNaNs;
+  bool m_SyncOnSkipIdle;
+  bool m_SyncGPU;
+  int m_SyncGpuMaxDistance;
+  int m_SyncGpuMinDistance;
+  float m_SyncGpuOverclock;
+  bool m_JITFollowBranch;
+  bool m_FastDiscSpeed;
+  bool m_MMU;
+  bool m_Fastmem;
+  bool m_SkipIPL;
+  bool m_LoadIPLDump;
+  bool m_VertexRounding;
+  int m_InternalResolution;
+  bool m_EFBScaledCopy;
+  bool m_FastDepthCalc;
+  bool m_EnablePixelLighting;
+  bool m_WidescreenHack;
+  bool m_ForceFiltering;
+  int m_MaxAnisotropy;
+  bool m_ForceTrueColor;
+  bool m_DisableCopyFilter;
+  bool m_DisableFog;
+  bool m_ArbitraryMipmapDetection;
+  float m_ArbitraryMipmapDetectionThreshold;
+  bool m_EnableGPUTextureDecoding;
+  bool m_StrictSettingsSync;
   bool m_SyncSaveData;
   std::string m_SaveDataRegion;
   bool m_IsHosting;
@@ -83,6 +121,7 @@ enum
   NP_MSG_STOP_GAME = 0xA2,
   NP_MSG_DISABLE_GAME = 0xA3,
   NP_MSG_GAME_STATUS = 0xA4,
+  NP_MSG_IPL_STATUS = 0xA5,
 
   NP_MSG_TIMEBASE = 0xB0,
   NP_MSG_DESYNC_DETECTED = 0xB1,

Source/Core/Core/NetPlayServer.cpp

@@ -662,6 +662,15 @@ unsigned int NetPlayServer::OnData(sf::Packet& packet, Client& player)
   }
   break;
 
+  case NP_MSG_IPL_STATUS:
+  {
+    bool status;
+    packet >> status;
+
+    m_players[player.pid].has_ipl_dump = status;
+  }
+  break;
+
   case NP_MSG_TIMEBASE:
   {
     u64 timebase = Common::PacketReadU64(packet);
@@ -861,6 +870,12 @@ void NetPlayServer::SetNetSettings(const NetSettings& settings)
   m_settings = settings;
 }
 
+bool NetPlayServer::DoAllPlayersHaveIPLDump() const
+{
+  return std::all_of(m_players.begin(), m_players.end(),
+                     [](const auto& p) { return p.second.has_ipl_dump; });
+}
+
 // called from ---GUI--- thread
 bool NetPlayServer::RequestStartGame()
 {
@@ -921,6 +936,44 @@ bool NetPlayServer::StartGame()
   spac << m_settings.m_ReducePollingRate;
   spac << m_settings.m_EXIDevice[0];
   spac << m_settings.m_EXIDevice[1];
+  spac << m_settings.m_EFBAccessEnable;
+  spac << m_settings.m_BBoxEnable;
+  spac << m_settings.m_ForceProgressive;
+  spac << m_settings.m_EFBToTextureEnable;
+  spac << m_settings.m_XFBToTextureEnable;
+  spac << m_settings.m_DisableCopyToVRAM;
+  spac << m_settings.m_ImmediateXFBEnable;
+  spac << m_settings.m_EFBEmulateFormatChanges;
+  spac << m_settings.m_SafeTextureCacheColorSamples;
+  spac << m_settings.m_PerfQueriesEnable;
+  spac << m_settings.m_FPRF;
+  spac << m_settings.m_AccurateNaNs;
+  spac << m_settings.m_SyncOnSkipIdle;
+  spac << m_settings.m_SyncGPU;
+  spac << m_settings.m_SyncGpuMaxDistance;
+  spac << m_settings.m_SyncGpuMinDistance;
+  spac << m_settings.m_SyncGpuOverclock;
+  spac << m_settings.m_JITFollowBranch;
+  spac << m_settings.m_FastDiscSpeed;
+  spac << m_settings.m_MMU;
+  spac << m_settings.m_Fastmem;
+  spac << m_settings.m_SkipIPL;
+  spac << m_settings.m_LoadIPLDump;
+  spac << m_settings.m_VertexRounding;
+  spac << m_settings.m_InternalResolution;
+  spac << m_settings.m_EFBScaledCopy;
+  spac << m_settings.m_FastDepthCalc;
+  spac << m_settings.m_EnablePixelLighting;
+  spac << m_settings.m_WidescreenHack;
+  spac << m_settings.m_ForceFiltering;
+  spac << m_settings.m_MaxAnisotropy;
+  spac << m_settings.m_ForceTrueColor;
+  spac << m_settings.m_DisableCopyFilter;
+  spac << m_settings.m_DisableFog;
+  spac << m_settings.m_ArbitraryMipmapDetection;
+  spac << m_settings.m_ArbitraryMipmapDetectionThreshold;
+  spac << m_settings.m_EnableGPUTextureDecoding;
+  spac << m_settings.m_StrictSettingsSync;
   Common::PacketWriteU64(spac, g_netplay_initial_rtc);
   spac << m_settings.m_SyncSaveData;
   spac << region;

Source/Core/Core/NetPlayServer.h

@@ -40,6 +40,7 @@ public:
 
   void SetNetSettings(const NetSettings& settings);
 
+  bool DoAllPlayersHaveIPLDump() const;
   bool StartGame();
   bool RequestStartGame();
 
@@ -69,6 +70,7 @@ private:
     std::string name;
     std::string revision;
     PlayerGameStatus game_status;
+    bool has_ipl_dump;
 
     ENetPeer* socket;
     u32 ping;

Source/Core/DolphinQt/CMakeLists.txt

@@ -98,6 +98,7 @@ add_executable(dolphin-emu
   NetPlay/PadMappingDialog.cpp
   QtUtils/DoubleClickEventFilter.cpp
   QtUtils/ElidedButton.cpp
+  QtUtils/FlowLayout.cpp
   QtUtils/ImageConverter.cpp
   QtUtils/SignalDaemon.cpp
   QtUtils/WindowActivationEventFilter.cpp

Source/Core/DolphinQt/DolphinQt.vcxproj

@@ -148,6 +148,7 @@
     <QtMoc Include="QtUtils\BlockUserInputFilter.h" />
     <QtMoc Include="QtUtils\DoubleClickEventFilter.h" />
     <QtMoc Include="QtUtils\ElidedButton.h" />
+    <QtMoc Include="QtUtils\FlowLayout.h" />
     <QtMoc Include="QtUtils\WindowActivationEventFilter.h" />
     <QtMoc Include="QtUtils\WrapInScrollArea.h" />
     <QtMoc Include="RenderWidget.h" />
@@ -176,6 +177,7 @@
     <ClCompile Include="$(QtMocOutPrefix)ControllersWindow.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)DoubleClickEventFilter.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)ElidedButton.cpp" />
+    <ClCompile Include="$(QtMocOutPrefix)FlowLayout.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)EnhancementsWidget.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)FIFOAnalyzer.cpp" />
     <ClCompile Include="$(QtMocOutPrefix)FIFOPlayerWindow.cpp" />
@@ -351,6 +353,7 @@
     <ClCompile Include="QtUtils\BlockUserInputFilter.cpp" />
     <ClCompile Include="QtUtils\DoubleClickEventFilter.cpp" />
     <ClCompile Include="QtUtils\ElidedButton.cpp" />
+    <ClCompile Include="QtUtils\FlowLayout.cpp" />
     <ClCompile Include="QtUtils\ImageConverter.cpp" />
     <ClCompile Include="QtUtils\WindowActivationEventFilter.cpp" />
     <ClCompile Include="QtUtils\WrapInScrollArea.cpp" />

Source/Core/DolphinQt/NetPlay/NetPlayDialog.cpp

@@ -31,7 +31,10 @@
 #include "Common/Config/Config.h"
 #include "Common/TraversalClient.h"
 
+#include "Core/Config/GraphicsSettings.h"
+#include "Core/Config/MainSettings.h"
 #include "Core/Config/SYSCONFSettings.h"
+#include "Core/ConfigLoaders/GameConfigLoader.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
 #include "Core/NetPlayServer.h"
@@ -40,11 +43,14 @@
 #include "DolphinQt/NetPlay/GameListDialog.h"
 #include "DolphinQt/NetPlay/MD5Dialog.h"
 #include "DolphinQt/NetPlay/PadMappingDialog.h"
+#include "DolphinQt/QtUtils/FlowLayout.h"
 #include "DolphinQt/QtUtils/QueueOnObject.h"
 #include "DolphinQt/QtUtils/RunOnObject.h"
 #include "DolphinQt/Resources.h"
 #include "DolphinQt/Settings.h"
 
+#include "UICommon/GameFile.h"
+
 #include "VideoCommon/VideoConfig.h"
 
 NetPlayDialog::NetPlayDialog(QWidget* parent)
@@ -89,6 +95,7 @@ void NetPlayDialog::CreateMainLayout()
   m_sync_save_data_box = new QCheckBox(tr("Sync Saves"));
   m_record_input_box = new QCheckBox(tr("Record inputs"));
   m_reduce_polling_rate_box = new QCheckBox(tr("Reduce Polling Rate"));
+  m_strict_settings_sync_box = new QCheckBox(tr("Strict Settings Sync"));
   m_buffer_label = new QLabel(tr("Buffer:"));
   m_quit_button = new QPushButton(tr("Quit"));
   m_splitter = new QSplitter(Qt::Horizontal);
@@ -128,6 +135,10 @@ void NetPlayDialog::CreateMainLayout()
   m_reduce_polling_rate_box->setToolTip(
       tr("This will reduce bandwidth usage by polling GameCube controllers only twice per frame. "
          "Does not affect Wii Remotes."));
+  m_strict_settings_sync_box->setToolTip(
+      tr("This will sync additional graphics settings, and force everyone to the same internal "
+         "resolution.\nMay prevent desync in some games that use EFB reads. Please ensure everyone "
+         "uses the same video backend."));
 
   m_main_layout->addWidget(m_game_button, 0, 0);
   m_main_layout->addWidget(m_md5_button, 0, 1);
@@ -136,18 +147,25 @@ void NetPlayDialog::CreateMainLayout()
   m_splitter->addWidget(m_chat_box);
   m_splitter->addWidget(m_players_box);
 
-  auto* options_widget = new QHBoxLayout;
+  auto* options_widget = new QGridLayout;
+  auto* options_boxes = new FlowLayout;
+
+  options_widget->addWidget(m_start_button, 0, 0, Qt::AlignVCenter);
+  options_widget->addWidget(m_buffer_label, 0, 1, Qt::AlignVCenter);
+  options_widget->addWidget(m_buffer_size_box, 0, 2, Qt::AlignVCenter);
+  options_widget->addWidget(m_quit_button, 0, 4, Qt::AlignVCenter);
+  options_boxes->addWidget(m_save_sd_box);
+  options_boxes->addWidget(m_load_wii_box);
+  options_boxes->addWidget(m_sync_save_data_box);
+  options_boxes->addWidget(m_record_input_box);
+  options_boxes->addWidget(m_reduce_polling_rate_box);
+  options_boxes->addWidget(m_strict_settings_sync_box);
+
+  options_widget->addLayout(options_boxes, 0, 3, Qt::AlignTop);
+  options_widget->setColumnStretch(3, 1000);
 
-  options_widget->addWidget(m_start_button);
-  options_widget->addWidget(m_buffer_label);
-  options_widget->addWidget(m_buffer_size_box);
-  options_widget->addWidget(m_save_sd_box);
-  options_widget->addWidget(m_load_wii_box);
-  options_widget->addWidget(m_sync_save_data_box);
-  options_widget->addWidget(m_record_input_box);
-  options_widget->addWidget(m_reduce_polling_rate_box);
-  options_widget->addWidget(m_quit_button);
   m_main_layout->addLayout(options_widget, 2, 0, 1, -1, Qt::AlignRight);
+  m_main_layout->setRowStretch(1, 1000);
 
   setLayout(m_main_layout);
 }
@@ -289,28 +307,97 @@ void NetPlayDialog::OnStart()
       return;
   }
 
+  if (m_strict_settings_sync_box->isChecked() && Config::Get(Config::GFX_EFB_SCALE) == 0)
+  {
+    QMessageBox::critical(
+        this, tr("Error"),
+        tr("Auto internal resolution is not allowed in strict sync mode, as it depends on window "
+           "size.\n\nPlease select a specific internal resolution."));
+    return;
+  }
+
+  const auto game = FindGameFile(m_current_game);
+  if (!game)
+  {
+    PanicAlertT("Selected game doesn't exist in game list!");
+    return;
+  }
+
   NetPlay::NetSettings settings;
 
+  // Load GameINI so we can sync the settings from it
+  Config::AddLayer(
+      ConfigLoaders::GenerateGlobalGameConfigLoader(game->GetGameID(), game->GetRevision()));
+  Config::AddLayer(
+      ConfigLoaders::GenerateLocalGameConfigLoader(game->GetGameID(), game->GetRevision()));
+
   // Copy all relevant settings
-  SConfig& instance = SConfig::GetInstance();
+  settings.m_CPUthread = Config::Get(Config::MAIN_CPU_THREAD);
-  settings.m_CPUthread = instance.bCPUThread;
+  settings.m_CPUcore = Config::Get(Config::MAIN_CPU_CORE);
-  settings.m_CPUcore = instance.cpu_core;
+  settings.m_EnableCheats = Config::Get(Config::MAIN_ENABLE_CHEATS);
-  settings.m_EnableCheats = instance.bEnableCheats;
+  settings.m_SelectedLanguage = Config::Get(Config::MAIN_GC_LANGUAGE);
-  settings.m_SelectedLanguage = instance.SelectedLanguage;
+  settings.m_OverrideGCLanguage = Config::Get(Config::MAIN_OVERRIDE_GC_LANGUAGE);
-  settings.m_OverrideGCLanguage = instance.bOverrideGCLanguage;
   settings.m_ProgressiveScan = Config::Get(Config::SYSCONF_PROGRESSIVE_SCAN);
   settings.m_PAL60 = Config::Get(Config::SYSCONF_PAL60);
-  settings.m_DSPHLE = instance.bDSPHLE;
+  settings.m_DSPHLE = Config::Get(Config::MAIN_DSP_HLE);
-  settings.m_DSPEnableJIT = instance.m_DSPEnableJIT;
+  settings.m_DSPEnableJIT = Config::Get(Config::MAIN_DSP_JIT);
   settings.m_WriteToMemcard = m_save_sd_box->isChecked();
   settings.m_CopyWiiSave = m_load_wii_box->isChecked();
-  settings.m_OCEnable = instance.m_OCEnable;
+  settings.m_OCEnable = Config::Get(Config::MAIN_OVERCLOCK_ENABLE);
-  settings.m_OCFactor = instance.m_OCFactor;
+  settings.m_OCFactor = Config::Get(Config::MAIN_OVERCLOCK);
   settings.m_ReducePollingRate = m_reduce_polling_rate_box->isChecked();
-  settings.m_EXIDevice[0] = instance.m_EXIDevice[0];
+  settings.m_EXIDevice[0] =
-  settings.m_EXIDevice[1] = instance.m_EXIDevice[1];
+      static_cast<ExpansionInterface::TEXIDevices>(Config::Get(Config::MAIN_SLOT_A));
+  settings.m_EXIDevice[1] =
+      static_cast<ExpansionInterface::TEXIDevices>(Config::Get(Config::MAIN_SLOT_B));
+  settings.m_EFBAccessEnable = Config::Get(Config::GFX_HACK_EFB_ACCESS_ENABLE);
+  settings.m_BBoxEnable = Config::Get(Config::GFX_HACK_BBOX_ENABLE);
+  settings.m_ForceProgressive = Config::Get(Config::GFX_HACK_FORCE_PROGRESSIVE);
+  settings.m_EFBToTextureEnable = Config::Get(Config::GFX_HACK_SKIP_EFB_COPY_TO_RAM);
+  settings.m_XFBToTextureEnable = Config::Get(Config::GFX_HACK_SKIP_XFB_COPY_TO_RAM);
+  settings.m_DisableCopyToVRAM = Config::Get(Config::GFX_HACK_DISABLE_COPY_TO_VRAM);
+  settings.m_ImmediateXFBEnable = Config::Get(Config::GFX_HACK_IMMEDIATE_XFB);
+  settings.m_EFBEmulateFormatChanges = Config::Get(Config::GFX_HACK_EFB_EMULATE_FORMAT_CHANGES);
+  settings.m_SafeTextureCacheColorSamples =
+      Config::Get(Config::GFX_SAFE_TEXTURE_CACHE_COLOR_SAMPLES);
+  settings.m_PerfQueriesEnable = Config::Get(Config::GFX_PERF_QUERIES_ENABLE);
+  settings.m_FPRF = Config::Get(Config::MAIN_FPRF);
+  settings.m_AccurateNaNs = Config::Get(Config::MAIN_ACCURATE_NANS);
+  settings.m_SyncOnSkipIdle = Config::Get(Config::MAIN_SYNC_ON_SKIP_IDLE);
+  settings.m_SyncGPU = Config::Get(Config::MAIN_SYNC_GPU);
+  settings.m_SyncGpuMaxDistance = Config::Get(Config::MAIN_SYNC_GPU_MAX_DISTANCE);
+  settings.m_SyncGpuMinDistance = Config::Get(Config::MAIN_SYNC_GPU_MIN_DISTANCE);
+  settings.m_SyncGpuOverclock = Config::Get(Config::MAIN_SYNC_GPU_OVERCLOCK);
+  settings.m_JITFollowBranch = Config::Get(Config::MAIN_JIT_FOLLOW_BRANCH);
+  settings.m_FastDiscSpeed = Config::Get(Config::MAIN_FAST_DISC_SPEED);
+  settings.m_MMU = Config::Get(Config::MAIN_MMU);
+  settings.m_Fastmem = Config::Get(Config::MAIN_FASTMEM);
+  settings.m_SkipIPL = Config::Get(Config::MAIN_SKIP_IPL) ||
+                       !Settings::Instance().GetNetPlayServer()->DoAllPlayersHaveIPLDump();
+  settings.m_LoadIPLDump = Config::Get(Config::MAIN_LOAD_IPL_DUMP) &&
+                           Settings::Instance().GetNetPlayServer()->DoAllPlayersHaveIPLDump();
+  settings.m_VertexRounding = Config::Get(Config::GFX_HACK_VERTEX_ROUDING);
+  settings.m_InternalResolution = Config::Get(Config::GFX_EFB_SCALE);
+  settings.m_EFBScaledCopy = Config::Get(Config::GFX_HACK_COPY_EFB_SCALED);
+  settings.m_FastDepthCalc = Config::Get(Config::GFX_FAST_DEPTH_CALC);
+  settings.m_EnablePixelLighting = Config::Get(Config::GFX_ENABLE_PIXEL_LIGHTING);
+  settings.m_WidescreenHack = Config::Get(Config::GFX_WIDESCREEN_HACK);
+  settings.m_ForceFiltering = Config::Get(Config::GFX_ENHANCE_FORCE_FILTERING);
+  settings.m_MaxAnisotropy = Config::Get(Config::GFX_ENHANCE_MAX_ANISOTROPY);
+  settings.m_ForceTrueColor = Config::Get(Config::GFX_ENHANCE_FORCE_TRUE_COLOR);
+  settings.m_DisableCopyFilter = Config::Get(Config::GFX_ENHANCE_DISABLE_COPY_FILTER);
+  settings.m_DisableFog = Config::Get(Config::GFX_DISABLE_FOG);
+  settings.m_ArbitraryMipmapDetection = Config::Get(Config::GFX_ENHANCE_ARBITRARY_MIPMAP_DETECTION);
+  settings.m_ArbitraryMipmapDetectionThreshold =
+      Config::Get(Config::GFX_ENHANCE_ARBITRARY_MIPMAP_DETECTION_THRESHOLD);
+  settings.m_EnableGPUTextureDecoding = Config::Get(Config::GFX_ENABLE_GPU_TEXTURE_DECODING);
+  settings.m_StrictSettingsSync = m_strict_settings_sync_box->isChecked();
   settings.m_SyncSaveData = m_sync_save_data_box->isChecked();
 
+  // Unload GameINI to restore things to normal
+  Config::RemoveLayer(Config::LayerType::GlobalGame);
+  Config::RemoveLayer(Config::LayerType::LocalGame);
+
   Settings::Instance().GetNetPlayServer()->SetNetSettings(settings);
   if (Settings::Instance().GetNetPlayServer()->RequestStartGame())
     SetOptionsEnabled(false);
@@ -354,6 +441,7 @@ void NetPlayDialog::show(std::string nickname, bool use_traversal)
   m_load_wii_box->setHidden(!is_hosting);
   m_sync_save_data_box->setHidden(!is_hosting);
   m_reduce_polling_rate_box->setHidden(!is_hosting);
+  m_strict_settings_sync_box->setHidden(!is_hosting);
   m_buffer_size_box->setHidden(!is_hosting);
   m_buffer_label->setHidden(!is_hosting);
   m_kick_button->setHidden(!is_hosting);
@@ -564,6 +652,7 @@ void NetPlayDialog::SetOptionsEnabled(bool enabled)
     m_sync_save_data_box->setEnabled(enabled);
     m_assign_ports_button->setEnabled(enabled);
     m_reduce_polling_rate_box->setEnabled(enabled);
+    m_strict_settings_sync_box->setEnabled(enabled);
   }
 
   m_record_input_box->setEnabled(enabled);

Source/Core/DolphinQt/NetPlay/NetPlayDialog.h

@@ -105,6 +105,7 @@ private:
   QCheckBox* m_sync_save_data_box;
   QCheckBox* m_record_input_box;
   QCheckBox* m_reduce_polling_rate_box;
+  QCheckBox* m_strict_settings_sync_box;
   QPushButton* m_quit_button;
   QSplitter* m_splitter;
 

Source/Core/DolphinQt/QtUtils/FlowLayout.cpp

@@ -0,0 +1,212 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "DolphinQt/QtUtils/FlowLayout.h"
+
+#include <QtWidgets>
+
+FlowLayout::FlowLayout(QWidget* parent, int margin, int h_spacing, int v_spacing)
+    : QLayout(parent), m_h_space(h_spacing), m_v_space(v_spacing)
+{
+  setContentsMargins(margin, margin, margin, margin);
+}
+
+FlowLayout::FlowLayout(int margin, int h_spacing, int v_spacing)
+    : m_h_space(h_spacing), m_v_space(v_spacing)
+{
+  setContentsMargins(margin, margin, margin, margin);
+}
+
+FlowLayout::~FlowLayout()
+{
+  QLayoutItem* item;
+  while ((item = takeAt(0)))
+    delete item;
+}
+
+void FlowLayout::addItem(QLayoutItem* item)
+{
+  m_item_list.append(item);
+}
+
+int FlowLayout::horizontalSpacing() const
+{
+  if (m_h_space >= 0)
+  {
+    return m_h_space;
+  }
+  else
+  {
+    return smartSpacing(QStyle::PM_LayoutHorizontalSpacing);
+  }
+}
+
+int FlowLayout::verticalSpacing() const
+{
+  if (m_v_space >= 0)
+  {
+    return m_v_space;
+  }
+  else
+  {
+    return smartSpacing(QStyle::PM_LayoutVerticalSpacing);
+  }
+}
+
+int FlowLayout::count() const
+{
+  return m_item_list.size();
+}
+
+QLayoutItem* FlowLayout::itemAt(int index) const
+{
+  return m_item_list.value(index);
+}
+
+QLayoutItem* FlowLayout::takeAt(int index)
+{
+  if (index >= 0 && index < m_item_list.size())
+    return m_item_list.takeAt(index);
+  else
+    return 0;
+}
+
+Qt::Orientations FlowLayout::expandingDirections() const
+{
+  return 0;
+}
+
+bool FlowLayout::hasHeightForWidth() const
+{
+  return true;
+}
+
+int FlowLayout::heightForWidth(int width) const
+{
+  int height = doLayout(QRect(0, 0, width, 0), true);
+  return height;
+}
+
+void FlowLayout::setGeometry(const QRect& rect)
+{
+  QLayout::setGeometry(rect);
+  doLayout(rect, false);
+}
+
+QSize FlowLayout::sizeHint() const
+{
+  return minimumSize();
+}
+
+QSize FlowLayout::minimumSize() const
+{
+  QSize size;
+  for (const auto& item : m_item_list)
+    size = size.expandedTo(item->minimumSize());
+
+  size += QSize(2 * margin(), 2 * margin());
+  return size;
+}
+
+int FlowLayout::doLayout(const QRect& rect, bool testOnly) const
+{
+  int left, top, right, bottom;
+  getContentsMargins(&left, &top, &right, &bottom);
+  QRect effectiveRect = rect.adjusted(+left, +top, -right, -bottom);
+  int x = effectiveRect.x();
+  int y = effectiveRect.y();
+  int lineHeight = 0;
+
+  for (const auto& item : m_item_list)
+  {
+    QWidget* wid = item->widget();
+    int spaceX = horizontalSpacing();
+    if (spaceX == -1)
+      spaceX = wid->style()->layoutSpacing(QSizePolicy::PushButton, QSizePolicy::PushButton,
+                                           Qt::Horizontal);
+    int spaceY = verticalSpacing();
+    if (spaceY == -1)
+      spaceY = wid->style()->layoutSpacing(QSizePolicy::PushButton, QSizePolicy::PushButton,
+                                           Qt::Vertical);
+    int nextX = x + item->sizeHint().width() + spaceX;
+    if (nextX - spaceX > effectiveRect.right() && lineHeight > 0)
+    {
+      x = effectiveRect.x();
+      y = y + lineHeight + spaceY;
+      nextX = x + item->sizeHint().width() + spaceX;
+      lineHeight = 0;
+    }
+
+    if (!testOnly)
+      item->setGeometry(QRect(QPoint(x, y), item->sizeHint()));
+
+    x = nextX;
+    lineHeight = qMax(lineHeight, item->sizeHint().height());
+  }
+  return y + lineHeight - rect.y() + bottom;
+}
+
+int FlowLayout::smartSpacing(QStyle::PixelMetric pm) const
+{
+  QObject* parent = this->parent();
+  if (!parent)
+  {
+    return -1;
+  }
+  else if (parent->isWidgetType())
+  {
+    QWidget* pw = static_cast<QWidget*>(parent);
+    return pw->style()->pixelMetric(pm, 0, pw);
+  }
+  else
+  {
+    return static_cast<QLayout*>(parent)->spacing();
+  }
+}

Source/Core/DolphinQt/QtUtils/FlowLayout.h

@@ -0,0 +1,84 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#pragma once
+
+#include <QLayout>
+#include <QRect>
+#include <QStyle>
+
+class FlowLayout : public QLayout
+{
+public:
+  explicit FlowLayout(QWidget* parent, int margin = -1, int h_spacing = -1, int v_spacing = -1);
+  explicit FlowLayout(int margin = -1, int h_spacing = -1, int v_spacing = -1);
+  ~FlowLayout();
+
+  void addItem(QLayoutItem* item) override;
+  int horizontalSpacing() const;
+  int verticalSpacing() const;
+  Qt::Orientations expandingDirections() const override;
+  bool hasHeightForWidth() const override;
+  int heightForWidth(int) const override;
+  int count() const override;
+  QLayoutItem* itemAt(int index) const override;
+  QSize minimumSize() const override;
+  void setGeometry(const QRect& rect) override;
+  QSize sizeHint() const override;
+  QLayoutItem* takeAt(int index) override;
+
+private:
+  int doLayout(const QRect& rect, bool testOnly) const;
+  int smartSpacing(QStyle::PixelMetric pm) const;
+
+  QList<QLayoutItem*> m_item_list;
+  int m_h_space;
+  int m_v_space;
+};

Source/Core/DolphinQt/Settings/AdvancedPane.cpp

@@ -13,6 +13,7 @@
 #include <QVBoxLayout>
 #include <cmath>
 
+#include "Core/Config/MainSettings.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
 #include "Core/HW/SystemTimers.h"
@@ -101,13 +102,15 @@ void AdvancedPane::ConnectLayout()
   m_cpu_clock_override_checkbox->setChecked(SConfig::GetInstance().m_OCEnable);
   connect(m_cpu_clock_override_checkbox, &QCheckBox::toggled, [this](bool enable_clock_override) {
     SConfig::GetInstance().m_OCEnable = enable_clock_override;
+    Config::SetBaseOrCurrent(Config::MAIN_OVERCLOCK_ENABLE, enable_clock_override);
     Update();
   });
 
   connect(m_cpu_clock_override_slider, &QSlider::valueChanged, [this](int oc_factor) {
     // Vaguely exponential scaling?
-    SConfig::GetInstance().m_OCFactor =
+    const float factor = std::exp2f((m_cpu_clock_override_slider->value() - 100.f) / 25.f);
-        std::exp2f((m_cpu_clock_override_slider->value() - 100.f) / 25.f);
+    SConfig::GetInstance().m_OCFactor = factor;
+    Config::SetBaseOrCurrent(Config::MAIN_OVERCLOCK, factor);
     Update();
   });
 

Source/Core/DolphinQt/Settings/AudioPane.cpp

@@ -19,6 +19,7 @@
 #include "AudioCommon/AudioCommon.h"
 #include "AudioCommon/WASAPIStream.h"
 
+#include "Core/Config/MainSettings.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
 
@@ -222,7 +223,9 @@ void AudioPane::SaveSettings()
 
   // DSP
   SConfig::GetInstance().bDSPHLE = m_dsp_hle->isChecked();
+  Config::SetBaseOrCurrent(Config::MAIN_DSP_HLE, m_dsp_hle->isChecked());
   SConfig::GetInstance().m_DSPEnableJIT = m_dsp_lle->isChecked();
+  Config::SetBaseOrCurrent(Config::MAIN_DSP_JIT, m_dsp_lle->isChecked());
 
   // Backend
   const auto selection =

Source/Core/DolphinQt/Settings/GameCubePane.cpp

@@ -341,8 +341,12 @@ void GameCubePane::SaveSettings()
 
   // IPL Settings
   params.bHLE_BS2 = m_skip_main_menu->isChecked();
+  Config::SetBaseOrCurrent(Config::MAIN_SKIP_IPL, m_skip_main_menu->isChecked());
   params.SelectedLanguage = m_language_combo->currentIndex();
+  Config::SetBaseOrCurrent(Config::MAIN_GC_LANGUAGE, m_language_combo->currentIndex());
   params.bOverrideGCLanguage = m_override_language_ntsc->isChecked();
+  Config::SetBaseOrCurrent(Config::MAIN_OVERRIDE_GC_LANGUAGE,
+                           m_override_language_ntsc->isChecked());
 
   for (int i = 0; i < SLOT_COUNT; i++)
   {
@@ -390,6 +394,18 @@ void GameCubePane::SaveSettings()
     }
 
     SConfig::GetInstance().m_EXIDevice[i] = dev;
+    switch (i)
+    {
+    case SLOT_A_INDEX:
+      Config::SetBaseOrCurrent(Config::MAIN_SLOT_A, dev);
+      break;
+    case SLOT_B_INDEX:
+      Config::SetBaseOrCurrent(Config::MAIN_SLOT_B, dev);
+      break;
+    case SLOT_SP1_INDEX:
+      Config::SetBaseOrCurrent(Config::MAIN_SERIAL_PORT_1, dev);
+      break;
+    }
   }
   LoadSettings();
 }

Source/Core/DolphinQt/Settings/GeneralPane.cpp

@@ -19,6 +19,7 @@
 #include <QWidget>
 
 #include "Core/Analytics.h"
+#include "Core/Config/MainSettings.h"
 #include "Core/Config/UISettings.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
@@ -291,7 +292,9 @@ void GeneralPane::OnSaveConfig()
   Settings::Instance().SetAnalyticsEnabled(m_checkbox_enable_analytics->isChecked());
 #endif
   settings.bCPUThread = m_checkbox_dualcore->isChecked();
+  Config::SetBaseOrCurrent(Config::MAIN_CPU_THREAD, m_checkbox_dualcore->isChecked());
   Settings::Instance().SetCheatsEnabled(m_checkbox_cheats->isChecked());
+  Config::SetBaseOrCurrent(Config::MAIN_ENABLE_CHEATS, m_checkbox_cheats->isChecked());
   settings.m_EmulationSpeed = m_combobox_speedlimit->currentIndex() * 0.1f;
 
   for (size_t i = 0; i < m_cpu_cores.size(); ++i)
@@ -299,6 +302,7 @@ void GeneralPane::OnSaveConfig()
     if (m_cpu_cores[i]->isChecked())
     {
       settings.cpu_core = PowerPC::AvailableCPUCores()[i];
+      Config::SetBaseOrCurrent(Config::MAIN_CPU_CORE, PowerPC::AvailableCPUCores()[i]);
       break;
     }
   }