Add an on screen lag counter.

Source/Core/Core/Src/ConfigManager.cpp

@@ -132,6 +132,7 @@ void SConfig::SaveSettings()
 	// General
 	ini.Set("General", "LastFilename",	m_LastFilename);
 	ini.Set("General", "PauseMovie", m_pauseMovie);
+	ini.Set("General", "ShowLag", m_showLag);
 
 	// ISO folders
 	// clear removed folders
@@ -262,6 +263,7 @@ void SConfig::LoadSettings()
 	{
 		ini.Get("General", "LastFilename",	&m_LastFilename);
 		ini.Get("General", "PauseMovie", &m_pauseMovie, false);
+		ini.Get("General", "ShowLag", &m_showLag, false);
 
 		m_ISOFolder.clear();
 		int numGCMPaths;

Source/Core/Core/Src/ConfigManager.h

@@ -76,6 +76,7 @@ struct SConfig : NonCopyable
 	bool m_ListTaiwan;
 	bool m_ListUnknown;
 	bool m_pauseMovie;
+	bool m_showLag;
 
 	SysConf* m_SYSCONF;
 

Source/Core/DolphinWX/Src/Frame.cpp

@@ -245,6 +245,7 @@ EVT_MENU(IDM_RECORDEXPORT, CFrame::OnRecordExport)
 EVT_MENU(IDM_RECORDREADONLY, CFrame::OnRecordReadOnly)
 EVT_MENU(IDM_TASINPUT, CFrame::OnTASInput)
 EVT_MENU(IDM_TOGGLE_PAUSEMOVIE, CFrame::OnTogglePauseMovie)
+EVT_MENU(IDM_SHOWLAG, CFrame::OnShowLag)
 EVT_MENU(IDM_FRAMESTEP, CFrame::OnFrameStep)
 EVT_MENU(IDM_SCREENSHOT, CFrame::OnScreenshot)
 EVT_MENU(wxID_PREFERENCES, CFrame::OnConfigMain)

Source/Core/DolphinWX/Src/Frame.h

@@ -298,6 +298,7 @@ private:
 	void OnRecordReadOnly(wxCommandEvent& event);
 	void OnTASInput(wxCommandEvent& event);
 	void OnTogglePauseMovie(wxCommandEvent& event);
+	void OnShowLag(wxCommandEvent& event);
 	void OnChangeDisc(wxCommandEvent& event);
 	void OnScreenshot(wxCommandEvent& event);
 	void OnActive(wxActivateEvent& event);

Source/Core/DolphinWX/Src/FrameTools.cpp

@@ -144,6 +144,8 @@ void CFrame::CreateMenu()
 	emulationMenu->Append(IDM_TASINPUT, _("TAS Input"));
 	emulationMenu->AppendCheckItem(IDM_TOGGLE_PAUSEMOVIE, _("Pause at end of movie"));
 	emulationMenu->Check(IDM_TOGGLE_PAUSEMOVIE, SConfig::GetInstance().m_pauseMovie);
+	emulationMenu->AppendCheckItem(IDM_SHOWLAG, _("Show lag counter"));
+	emulationMenu->Check(IDM_SHOWLAG, SConfig::GetInstance().m_showLag);
 	emulationMenu->Check(IDM_RECORDREADONLY, true);
 	emulationMenu->AppendSeparator();
 
@@ -709,6 +711,13 @@ void CFrame::OnTogglePauseMovie(wxCommandEvent& WXUNUSED (event))
 	SConfig::GetInstance().m_pauseMovie = !SConfig::GetInstance().m_pauseMovie;
 	SConfig::GetInstance().SaveSettings();
 }
+
+void CFrame::OnShowLag(wxCommandEvent& WXUNUSED (event))
+{
+	SConfig::GetInstance().m_showLag = !SConfig::GetInstance().m_showLag;
+	SConfig::GetInstance().SaveSettings();
+}
+
 void CFrame::OnFrameStep(wxCommandEvent& event)
 {
 	bool wasPaused = (Core::GetState() == Core::CORE_PAUSE);

Source/Core/DolphinWX/Src/Globals.h

@@ -81,6 +81,7 @@ enum
 	IDM_RECORDREADONLY,
 	IDM_TASINPUT,
 	IDM_TOGGLE_PAUSEMOVIE,
+	IDM_SHOWLAG,
 	IDM_FRAMESTEP,
 	IDM_SCREENSHOT,
 	IDM_BROWSE,

Source/Plugins/Plugin_VideoDX11/Src/Render.cpp

@@ -45,6 +45,7 @@
 #include "BPFunctions.h"
 #include "AVIDump.h"
 #include "FPSCounter.h"
+#include "ConfigManager.h"
 
 namespace DX11
 {
@@ -1094,11 +1095,18 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight,cons
 		D3D::font.DrawTextScaled(0, 0, 20, 0.0f, 0xFF00FFFF, fps);
 	}
 
+	if (SConfig::GetInstance().m_showLag)
+	{
+		char lag[10];
+		StringCchPrintfA(lag, 1000, "Lag: %d\n", Movie::g_currentLagCount);
+		D3D::font.DrawTextScaled(0, 18, 20, 0.0f, 0xFF00FFFF, lag);
+	}
+
 	if (g_ActiveConfig.bShowInputDisplay)
 	{
 		char inputDisplay[1000];
 		StringCchPrintfA(inputDisplay, 1000, Movie::GetInputDisplay().c_str());
-		D3D::font.DrawTextScaled(0, 30, 20, 0.0f, 0xFF00FFFF, inputDisplay);
+		D3D::font.DrawTextScaled(0, 36, 20, 0.0f, 0xFF00FFFF, inputDisplay);
 	}
 	Renderer::DrawDebugText();
 
@@ -1106,13 +1114,13 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight,cons
 	{
 		char buf[32768];
 		Statistics::ToString(buf);
-		D3D::font.DrawTextScaled(0, 30, 20, 0.0f, 0xFF00FFFF, buf);
+		D3D::font.DrawTextScaled(0, 36, 20, 0.0f, 0xFF00FFFF, buf);
 	}
 	else if (g_ActiveConfig.bOverlayProjStats)
 	{
 		char buf[32768];
 		Statistics::ToStringProj(buf);
-		D3D::font.DrawTextScaled(0, 30, 20, 0.0f, 0xFF00FFFF, buf);
+		D3D::font.DrawTextScaled(0, 36, 20, 0.0f, 0xFF00FFFF, buf);
 	}
 
 	OSD::DrawMessages();

Source/Plugins/Plugin_VideoDX9/Src/Render.cpp

@@ -55,6 +55,7 @@
 #include "Movie.h"
 #include "BPFunctions.h"
 #include "FPSCounter.h"
+#include "ConfigManager.h"
 
 namespace DX9
 {
@@ -1091,23 +1092,31 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight,cons
 		D3D::font.DrawTextScaled(0, 0, 20, 20, 0.0f, 0xFF00FFFF, fps);
 	}
 
+	if (SConfig::GetInstance().m_showLag)
+	{
+		char lag[10];
+		StringCchPrintfA(lag, 1000, "Lag: %d\n", Movie::g_currentLagCount);
+		D3D::font.DrawTextScaled(0, 18, 20, 20, 0.0f, 0xFF00FFFF, lag);
+	}
+
 	if (g_ActiveConfig.bShowInputDisplay)
 	{
 		char inputDisplay[1000];
 		StringCchPrintfA(inputDisplay, 1000, Movie::GetInputDisplay().c_str());
-		D3D::font.DrawTextScaled(0, 30, 20, 20, 0.0f, 0xFF00FFFF, inputDisplay);
+		D3D::font.DrawTextScaled(0, 36, 20, 20, 0.0f, 0xFF00FFFF, inputDisplay);
 	}
+
 	Renderer::DrawDebugText();
 
 	if (g_ActiveConfig.bOverlayStats)
 	{
 		Statistics::ToString(st);
-		D3D::font.DrawTextScaled(0, 30, 20, 20, 0.0f, 0xFF00FFFF, st);
+		D3D::font.DrawTextScaled(0, 36, 20, 20, 0.0f, 0xFF00FFFF, st);
 	}
 	else if (g_ActiveConfig.bOverlayProjStats)
 	{
 		Statistics::ToStringProj(st);
-		D3D::font.DrawTextScaled(0, 30, 20, 20, 0.0f, 0xFF00FFFF, st);
+		D3D::font.DrawTextScaled(0, 35, 20, 20, 0.0f, 0xFF00FFFF, st);
 	}
 
 	OSD::DrawMessages();

Source/Plugins/Plugin_VideoOGL/Src/Render.cpp

@@ -62,6 +62,7 @@
 #include "Host.h"
 #include "BPFunctions.h"
 #include "FPSCounter.h"
+#include "ConfigManager.h"
 
 #include "main.h" // Local
 #ifdef _WIN32
@@ -531,6 +532,9 @@ void Renderer::DrawDebugInfo()
 	if (g_ActiveConfig.bShowFPS)
 		p+=sprintf(p, "FPS: %d\n", s_fps);
 
+	if (SConfig::GetInstance().m_showLag)
+		p+=sprintf(p, "Lag: %d\n", Movie::g_currentLagCount);
+
 	if (g_ActiveConfig.bShowInputDisplay)
 		p+=sprintf(p, "%s", Movie::GetInputDisplay().c_str());