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dolphin/Source/Plugins/Plugin_DSP_LLE/Src/main.cpp

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// Copyright (C) 2003-2009 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h" // Common
#include "CommonTypes.h"
#include "Mixer.h"
#include "Globals.h" // Local
#include "gdsp_interpreter.h"
#include "gdsp_interface.h"
#include "disassemble.h"
#include "Config.h"
#include "AudioCommon.h"
#include "Logging/Logging.h" // For Logging
#include "Thread.h"
#include "ChunkFile.h"
#include "DSPTables.h"
#include "DSPCore.h"
#if defined(HAVE_WX) && HAVE_WX
#include "DSPConfigDlgLLE.h"
#include "Debugger/Debugger.h" // For the DSPDebuggerLLE class
DSPDebuggerLLE* m_DebuggerFrame = NULL;
#endif
PLUGIN_GLOBALS* globals = NULL;
DSPInitialize g_dspInitialize;
Common::Thread *g_hDSPThread = NULL;
SoundStream *soundStream = NULL;
#define GDSP_MBOX_CPU 0
#define GDSP_MBOX_DSP 1
bool bCanWork = false;
bool bIsRunning = false;
//////////////////////////////////////////////////////////////////////////
// UGLY wxw stuff, TODO fix up
// wxWidgets: Create the wxApp
#if defined(HAVE_WX) && HAVE_WX
class wxDLLApp : public wxApp
{
bool OnInit()
{
return true;
}
};
IMPLEMENT_APP_NO_MAIN(wxDLLApp)
WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
#endif
// DllMain
#ifdef _WIN32
HINSTANCE g_hInstance = NULL;
BOOL APIENTRY DllMain(HINSTANCE hinstDLL, // DLL module handle
DWORD dwReason, // reason called
LPVOID lpvReserved) // reserved
{
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
{
// more stuff wx needs
wxSetInstance((HINSTANCE)hinstDLL);
int argc = 0;
char **argv = NULL;
wxEntryStart(argc, argv);
// This is for ?
if ( !wxTheApp || !wxTheApp->CallOnInit() )
return FALSE;
}
break;
case DLL_PROCESS_DETACH:
wxEntryCleanup(); // use this or get a crash
break;
default:
break;
}
g_hInstance = hinstDLL;
return(TRUE);
}
#endif
void GetDllInfo(PLUGIN_INFO* _PluginInfo)
{
_PluginInfo->Version = 0x0100;
_PluginInfo->Type = PLUGIN_TYPE_DSP;
#ifdef DEBUGFAST
sprintf(_PluginInfo->Name, "Dolphin DSP-LLE Plugin (DebugFast)");
#else
#ifndef _DEBUG
sprintf(_PluginInfo->Name, "Dolphin DSP-LLE Plugin");
#else
sprintf(_PluginInfo->Name, "Dolphin DSP-LLE Plugin (Debug)");
#endif
#endif
}
void SetDllGlobals(PLUGIN_GLOBALS* _pPluginGlobals)
{
globals = _pPluginGlobals;
LogManager::SetInstance((LogManager *)globals->logManager);
}
void DllAbout(HWND _hParent)
{
}
void DllConfig(HWND _hParent)
{
#if defined(HAVE_WX) && HAVE_WX
// (shuffle2) TODO: reparent dlg with DolphinApp
DSPConfigDialogLLE dlg(NULL);
// add backends
std::vector<std::string> backends = AudioCommon::GetSoundBackends();
for (std::vector<std::string>::const_iterator iter = backends.begin();
iter != backends.end(); ++iter) {
dlg.AddBackend((*iter).c_str());
}
// Show the window
dlg.ShowModal();
#endif
}
void DoState(unsigned char **ptr, int mode)
{
PointerWrap p(ptr, mode);
}
void DllDebugger(HWND _hParent, bool Show)
{
#if defined(HAVE_WX) && HAVE_WX
if(!m_DebuggerFrame)
m_DebuggerFrame = new DSPDebuggerLLE(NULL);
if(Show)
m_DebuggerFrame->Show();
else
m_DebuggerFrame->Hide();
#endif
}
// Regular thread
THREAD_RETURN dsp_thread(void* lpParameter)
{
while (bIsRunning)
{
DSPInterpreter::Run();
}
return 0;
}
void DSP_DebugBreak()
{
#if defined(HAVE_WX) && HAVE_WX
if(m_DebuggerFrame)
m_DebuggerFrame->DebugBreak();
#endif
}
void dspi_req_dsp_irq()
{
// Fire an interrupt on the PPC ASAP.
g_dspInitialize.pGenerateDSPInterrupt();
}
void Initialize(void *init)
{
bCanWork = true;
g_dspInitialize = *(DSPInitialize*)init;
g_Config.Load();
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());
g_dsp.cpu_ram = g_dspInitialize.pGetMemoryPointer(0);
g_dsp.irq_request = dspi_req_dsp_irq;
// g_dsp.exception_in_progress_hack = false;
DSPCore_Reset();
if (!bCanWork)
{
DSPCore_Shutdown();
return;
}
bIsRunning = true;
InitInstructionTable();
if (g_dspInitialize.bOnThread)
{
g_hDSPThread = new Common::Thread(dsp_thread, NULL);
}
soundStream = AudioCommon::InitSoundStream();
#if defined(HAVE_WX) && HAVE_WX
if(m_DebuggerFrame)
m_DebuggerFrame->Refresh();
#endif
}
void DSP_StopSoundStream()
{
DSPInterpreter::Stop();
bIsRunning = false;
if (g_dspInitialize.bOnThread)
{
delete g_hDSPThread;
g_hDSPThread = NULL;
}
}
void Shutdown()
{
AudioCommon::ShutdownSoundStream();
DSPCore_Shutdown();
}
u16 DSP_WriteControlRegister(u16 _uFlag)
{
DSPInterpreter::WriteCR(_uFlag);
return DSPInterpreter::ReadCR();
}
u16 DSP_ReadControlRegister()
{
return DSPInterpreter::ReadCR();
}
u16 DSP_ReadMailboxHigh(bool _CPUMailbox)
{
if (_CPUMailbox)
return gdsp_mbox_read_h(GDSP_MBOX_CPU);
else
return gdsp_mbox_read_h(GDSP_MBOX_DSP);
}
u16 DSP_ReadMailboxLow(bool _CPUMailbox)
{
if (_CPUMailbox)
return gdsp_mbox_read_l(GDSP_MBOX_CPU);
else
return gdsp_mbox_read_l(GDSP_MBOX_DSP);
}
void DSP_WriteMailboxHigh(bool _CPUMailbox, u16 _uHighMail)
{
if (_CPUMailbox)
{
if (gdsp_mbox_peek(GDSP_MBOX_CPU) & 0x80000000)
{
ERROR_LOG(DSPLLE, "Mailbox isnt empty ... strange");
}
#if PROFILE
if ((_uHighMail) == 0xBABE)
{
ProfilerStart();
}
#endif
gdsp_mbox_write_h(GDSP_MBOX_CPU, _uHighMail);
}
else
{
ERROR_LOG(DSPLLE, "CPU cant write to DSP mailbox");
}
}
void DSP_WriteMailboxLow(bool _CPUMailbox, u16 _uLowMail)
{
if (_CPUMailbox)
{
gdsp_mbox_write_l(GDSP_MBOX_CPU, _uLowMail);
}
else
{
ERROR_LOG(DSPLLE, "CPU cant write to DSP mailbox");
}
}
void DSP_Update(int cycles)
{
// This gets called VERY OFTEN. The soundstream update might be expensive so only do it 200 times per second or something.
const int cycles_between_ss_update = 80000000 / 200;
static int cycle_count = 0;
cycle_count += cycles;
if (cycle_count > cycles_between_ss_update)
{
while (cycle_count > cycles_between_ss_update)
cycle_count -= cycles_between_ss_update;
soundStream->Update();
}
// If we're not on a thread, run cycles here.
if (!g_dspInitialize.bOnThread)
{
DSPInterpreter::RunCycles(cycles);
}
}
void DSP_SendAIBuffer(unsigned int address, int sample_rate)
{
if (soundStream->GetMixer())
{
short samples[16] = {0}; // interleaved stereo
if (address)
{
for (int i = 0; i < 16; i++)
{
samples[i] = Memory_Read_U16(address + i * 2);
}
}
soundStream->GetMixer()->PushSamples(samples, 32 / 4, sample_rate);
}
// SoundStream is updated only when necessary (there is no 70 ms limit
// so each sample now triggers the sound stream)
// TODO: think about this.
//static int counter = 0;
//counter++;
if (/*(counter & 31) == 0 &&*/ soundStream)
soundStream->Update();
}
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