DSP LLE Jit, joined work with XK and skidu.

VERY EXPERIMENTAL DON'T EXPECT HIGH PERFORMANCE!.



git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5288 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_DSP_HLE/Src/main.cpp

@@ -303,7 +303,8 @@ unsigned short DSP_ReadControlRegister()
 void DSP_Update(int cycles)
 {
 	// This is called OFTEN - better not do anything expensive!
-	CDSPHandler::GetInstance().Update(cycles);
+	// ~1/6th as many cycles as the period PPC-side.
+	CDSPHandler::GetInstance().Update(cycles / 6);
 }
 
 // The reason that we don't disable this entire

Source/Plugins/Plugin_DSP_LLE/Src/DSPConfigDlgLLE.cpp

@@ -23,6 +23,7 @@ BEGIN_EVENT_TABLE(DSPConfigDialogLLE, wxDialog)
 	EVT_BUTTON(wxID_OK, DSPConfigDialogLLE::SettingsChanged)
 	EVT_CHECKBOX(ID_ENABLE_DTK_MUSIC, DSPConfigDialogLLE::SettingsChanged)
 	EVT_CHECKBOX(ID_ENABLE_THROTTLE, DSPConfigDialogLLE::SettingsChanged)
+	EVT_CHECKBOX(ID_ENABLE_JIT, DSPConfigDialogLLE::SettingsChanged)
 	EVT_CHOICE(ID_BACKEND, DSPConfigDialogLLE::BackendChanged)
 	EVT_COMMAND_SCROLL(ID_VOLUME, DSPConfigDialogLLE::VolumeChanged)
 END_EVENT_TABLE()
@@ -41,6 +42,7 @@ DSPConfigDialogLLE::DSPConfigDialogLLE(wxWindow *parent, wxWindowID id, const wx
 	// Create items
 	m_buttonEnableDTKMusic = new wxCheckBox(this, ID_ENABLE_DTK_MUSIC, wxT("Enable DTK Music"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
 	m_buttonEnableThrottle = new wxCheckBox(this, ID_ENABLE_THROTTLE, wxT("Enable Audio Throttle"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
+	m_buttonEnableJIT = new wxCheckBox(this, ID_ENABLE_JIT, wxT("Enable JIT Dynarec"), wxDefaultPosition, wxDefaultSize, 0, wxDefaultValidator);
 	wxStaticText *BackendText = new wxStaticText(this, wxID_ANY, wxT("Audio Backend"), wxDefaultPosition, wxDefaultSize, 0);
 	m_BackendSelection = new wxChoice(this, ID_BACKEND, wxDefaultPosition, wxSize(90, 20), wxArrayBackends, 0, wxDefaultValidator, wxEmptyString);
 
@@ -51,6 +53,7 @@ DSPConfigDialogLLE::DSPConfigDialogLLE(wxWindow *parent, wxWindowID id, const wx
 	// Update values
 	m_buttonEnableDTKMusic->SetValue(ac_Config.m_EnableDTKMusic ? true : false);
 	m_buttonEnableThrottle->SetValue(ac_Config.m_EnableThrottle ? true : false);
+	m_buttonEnableJIT->SetValue(ac_Config.m_EnableJIT ? true : false);
 
 	// Add tooltips
 	m_buttonEnableDTKMusic->SetToolTip(wxT("This is used to play music tracks, like BGM."));
@@ -58,6 +61,8 @@ DSPConfigDialogLLE::DSPConfigDialogLLE(wxWindow *parent, wxWindowID id, const wx
 		wxT("Disabling this could cause abnormal game speed, such as too fast.\n")
 		wxT("But sometimes enabling this could cause constant noise.\n")
 		wxT("\nKeyboard Shortcut <TAB>:  Hold down to instantly disable Throttle."));
+	m_buttonEnableJIT->SetToolTip(wxT("Enables dynamic recompilation of DSP code.\n")
+		wxT("Changing this will have no effect while the emulator is running!"));
 	m_BackendSelection->SetToolTip(wxT("Changing this will have no effect while the emulator is running!"));
 	m_volumeSlider->SetToolTip(wxT("This setting only affects DSound and OpenAL."));
 
@@ -69,6 +74,7 @@ DSPConfigDialogLLE::DSPConfigDialogLLE(wxWindow *parent, wxWindowID id, const wx
 
 	sbSettings->Add(m_buttonEnableDTKMusic, 0, wxALL, 5);
 	sbSettings->Add(m_buttonEnableThrottle, 0, wxALL, 5);
+	sbSettings->Add(m_buttonEnableJIT, 0, wxALL, 5);
 
 	sBackend->Add(BackendText, 0, wxALIGN_CENTER|wxALL, 5);
 	sBackend->Add(m_BackendSelection, 0, wxALL, 1);
@@ -125,6 +131,7 @@ void DSPConfigDialogLLE::SettingsChanged(wxCommandEvent& event)
 {
 	ac_Config.m_EnableDTKMusic = m_buttonEnableDTKMusic->GetValue();
 	ac_Config.m_EnableThrottle = m_buttonEnableThrottle->GetValue();
+	ac_Config.m_EnableJIT = m_buttonEnableJIT->GetValue();
 
 #ifdef __APPLE__
 	strncpy(ac_Config.sBackend, m_BackendSelection->GetStringSelection().mb_str(), 128);

Source/Plugins/Plugin_DSP_LLE/Src/DSPConfigDlgLLE.h

@@ -45,6 +45,7 @@ private:
     wxButton *m_OK;
     wxCheckBox *m_buttonEnableDTKMusic;
     wxCheckBox *m_buttonEnableThrottle;
+	wxCheckBox *m_buttonEnableJIT;
     wxArrayString wxArrayBackends;
     wxChoice  *m_BackendSelection;
 
@@ -52,6 +53,7 @@ private:
 	{
 		ID_ENABLE_DTK_MUSIC,
 	    ID_ENABLE_THROTTLE,
+		ID_ENABLE_JIT,
 	    ID_BACKEND,
 		ID_VOLUME
 	};

Source/Plugins/Plugin_DSP_LLE/Src/main.cpp

@@ -49,6 +49,7 @@ SoundStream *soundStream = NULL;
 bool g_InitMixer = false;
 
 bool bIsRunning = false;
+u32 cycle_count = 0;
 
 // Standard crap to make wxWidgets happy
 #ifdef _WIN32
@@ -218,7 +219,17 @@ THREAD_RETURN dsp_thread(void* lpParameter)
 {
 	while (bIsRunning)
 	{
-		DSPInterpreter::Run();
+		u32 cycles = 0;
+
+		if (jit)
+		{
+			cycles = cycle_count;
+			DSPCore_RunCycles(cycles);
+		}
+		else
+			DSPInterpreter::Run();
+
+		cycle_count -= cycles;
 	}
 	return 0;
 }
@@ -241,7 +252,7 @@ void Initialize(void *init)
 
 	std::string irom_filename = File::GetSysDirectory() + GC_SYS_DIR + DIR_SEP + DSP_IROM;
 	std::string coef_filename = File::GetSysDirectory() + GC_SYS_DIR + DIR_SEP + DSP_COEF;
-	bCanWork = DSPCore_Init(irom_filename.c_str(), coef_filename.c_str());
+	bCanWork = DSPCore_Init(irom_filename.c_str(), coef_filename.c_str(), AudioCommon::UseJIT());
 
 	g_dsp.cpu_ram = g_dspInitialize.pGetMemoryPointer(0);
 	DSPCore_Reset();
@@ -363,6 +374,7 @@ void DSP_WriteMailboxLow(bool _CPUMailbox, u16 _uLowMail)
 
 void DSP_Update(int cycles)
 {
+	int cyclesRatio = cycles / (jit?20:6);
 // Sound stream update job has been handled by AudioDMA routine, which is more efficient
 /*
 	// This gets called VERY OFTEN. The soundstream update might be expensive so only do it 200 times per second or something.
@@ -385,7 +397,12 @@ void DSP_Update(int cycles)
 	// If we're not on a thread, run cycles here.
 	if (!g_dspInitialize.bOnThread)
 	{
-		DSPCore_RunCycles(cycles);
+		// ~1/6th as many cycles as the period PPC-side.
+		DSPCore_RunCycles(cyclesRatio);;
+	}
+	else
+	{
+		cycle_count += (cyclesRatio);
 	}
 }