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

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// Copyright (C) 2003 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 <iostream>
#include "Globals.h" // Local
#if defined(HAVE_WX) && HAVE_WX
#include "ConfigDlg.h"
DSPConfigDialogHLE* m_ConfigFrame = NULL;
#endif
#include "ChunkFile.h"
#include "HLEMixer.h"
#include "DSPHandler.h"
#include "Config.h"
#include "Setup.h"
#include "StringUtil.h"
#include "LogManager.h"
// Declarations and definitions
PLUGIN_GLOBALS* globals = NULL;
DSPInitialize g_dspInitialize;
u8* g_pMemory;
extern std::vector<std::string> sMailLog, sMailTime;
bool g_InitMixer = false;
SoundStream *soundStream = NULL;
// Mailbox utility
struct DSPState
{
u32 CPUMailbox;
u32 DSPMailbox;
void Reset() {
CPUMailbox = 0x00000000;
DSPMailbox = 0x00000000;
}
DSPState()
{
Reset();
}
};
DSPState g_dspState;
// Standard crap to make wxWidgets happy
#ifdef _WIN32
HINSTANCE g_hInstance;
#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
BOOL APIENTRY DllMain(HINSTANCE hinstDLL, // DLL module handle
DWORD dwReason, // reason called
LPVOID lpvReserved) // reserved
{
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
{
#if defined(HAVE_WX) && HAVE_WX
wxSetInstance((HINSTANCE)hinstDLL);
wxInitialize();
#endif
}
break;
case DLL_PROCESS_DETACH:
#if defined(HAVE_WX) && HAVE_WX
wxUninitialize();
#endif
break;
}
g_hInstance = hinstDLL;
return TRUE;
}
#endif
#if defined(HAVE_WX) && HAVE_WX
wxWindow* GetParentedWxWindow(HWND Parent)
{
#ifdef _WIN32
wxSetInstance((HINSTANCE)g_hInstance);
#endif
wxWindow *win = new wxWindow();
#ifdef _WIN32
win->SetHWND((WXHWND)Parent);
win->AdoptAttributesFromHWND();
#endif
return win;
}
#endif
void DllDebugger(HWND _hParent, bool Show)
{
}
void GetDllInfo(PLUGIN_INFO* _PluginInfo)
{
_PluginInfo->Version = 0x0100;
_PluginInfo->Type = PLUGIN_TYPE_DSP;
#ifdef DEBUGFAST
sprintf(_PluginInfo->Name, "Dolphin DSP-HLE Plugin (DebugFast)");
#elif defined _DEBUG
sprintf(_PluginInfo->Name, "Dolphin DSP-HLE Plugin (Debug)");
#else
sprintf(_PluginInfo->Name, "Dolphin DSP-HLE Plugin");
#endif
}
void SetDllGlobals(PLUGIN_GLOBALS* _pPluginGlobals)
{
globals = _pPluginGlobals;
LogManager::SetInstance((LogManager*)globals->logManager);
}
void DllConfig(HWND _hParent)
{
#if defined(HAVE_WX) && HAVE_WX
// Load config settings
g_Config.Load();
wxWindow *frame = GetParentedWxWindow(_hParent);
m_ConfigFrame = new DSPConfigDialogHLE(frame);
// add backends
std::vector<std::string> backends = AudioCommon::GetSoundBackends();
for (std::vector<std::string>::const_iterator iter = backends.begin();
iter != backends.end(); ++iter)
{
m_ConfigFrame->AddBackend((*iter).c_str());
}
// Only allow one open at a time
#ifdef _WIN32
frame->Disable();
m_ConfigFrame->ShowModal();
frame->Enable();
#else
m_ConfigFrame->ShowModal();
#endif
#ifdef _WIN32
frame->SetFocus();
frame->SetHWND(NULL);
#endif
m_ConfigFrame->Destroy();
m_ConfigFrame = NULL;
frame->Destroy();
#endif
}
void Initialize(void *init)
{
g_InitMixer = false;
g_dspInitialize = *(DSPInitialize*)init;
g_Config.Load();
g_pMemory = g_dspInitialize.pGetMemoryPointer(0);
g_dspState.Reset();
CDSPHandler::CreateInstance();
}
void Shutdown()
{
AudioCommon::ShutdownSoundStream();
// Delete the UCodes
CDSPHandler::Destroy();
}
void DoState(unsigned char **ptr, int mode)
{
PointerWrap p(ptr, mode);
p.Do(g_InitMixer);
CDSPHandler::GetInstance().GetUCode()->DoState(p);
}
void EmuStateChange(PLUGIN_EMUSTATE newState)
{
DSP_ClearAudioBuffer((newState == PLUGIN_EMUSTATE_PLAY) ? false : true);
}
// Mailbox fuctions
unsigned short DSP_ReadMailboxHigh(bool _CPUMailbox)
{
if (_CPUMailbox)
{
return (g_dspState.CPUMailbox >> 16) & 0xFFFF;
}
else
{
return CDSPHandler::GetInstance().AccessMailHandler().ReadDSPMailboxHigh();
}
}
unsigned short DSP_ReadMailboxLow(bool _CPUMailbox)
{
if (_CPUMailbox)
{
return g_dspState.CPUMailbox & 0xFFFF;
}
else
{
return CDSPHandler::GetInstance().AccessMailHandler().ReadDSPMailboxLow();
}
}
void DSP_WriteMailboxHigh(bool _CPUMailbox, unsigned short _Value)
{
if (_CPUMailbox)
{
g_dspState.CPUMailbox = (g_dspState.CPUMailbox & 0xFFFF) | (_Value << 16);
}
else
{
PanicAlert("CPU can't write %08x to DSP mailbox", _Value);
}
}
void DSP_WriteMailboxLow(bool _CPUMailbox, unsigned short _Value)
{
if (_CPUMailbox)
{
g_dspState.CPUMailbox = (g_dspState.CPUMailbox & 0xFFFF0000) | _Value;
CDSPHandler::GetInstance().SendMailToDSP(g_dspState.CPUMailbox);
// Mail sent so clear MSB to show that it is progressed
g_dspState.CPUMailbox &= 0x7FFFFFFF;
}
else
{
PanicAlert("CPU can't write %08x to DSP mailbox", _Value);
}
}
// Other DSP fuctions
unsigned short DSP_WriteControlRegister(unsigned short _Value)
{
UDSPControl Temp(_Value);
if (!g_InitMixer)
{
if (!Temp.DSPHalt && Temp.DSPInit)
{
unsigned int AISampleRate, DACSampleRate;
g_dspInitialize.pGetSampleRate(AISampleRate, DACSampleRate);
soundStream = AudioCommon::InitSoundStream(new HLEMixer(AISampleRate, DACSampleRate));
if(!soundStream) PanicAlert("Error starting up sound stream");
// Mixer is initialized
g_InitMixer = true;
}
}
return CDSPHandler::GetInstance().WriteControlRegister(_Value);
}
unsigned short DSP_ReadControlRegister()
{
return CDSPHandler::GetInstance().ReadControlRegister();
}
void DSP_Update(int cycles)
{
// This is called OFTEN - better not do anything expensive!
// ~1/6th as many cycles as the period PPC-side.
CDSPHandler::GetInstance().Update(cycles / 6);
}
// The reason that we don't disable this entire
// function when Other Audio is disabled is that then we can't turn it back on
// again once the game has started.
void DSP_SendAIBuffer(unsigned int address, unsigned int num_samples)
{
if (!soundStream)
return;
CMixer* pMixer = soundStream->GetMixer();
if (pMixer && address)
{
short* samples = (short*)Memory_Get_Pointer(address);
// Internal sample rate is always 32khz
pMixer->PushSamples(samples, num_samples);
// FIXME: Write the audio to a file
//if (log_ai)
// g_wave_writer.AddStereoSamples(samples, 8);
}
soundStream->Update();
}
void DSP_ClearAudioBuffer(bool mute)
{
if (soundStream)
soundStream->Clear(mute);
}