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

238 lines
5.0 KiB
C++

// Copyright (C) 2003-2008 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"
#include "Globals.h"
#include "resource.h"
#ifdef _WIN32
#include "PCHW/DSoundStream.h"
#include "AboutDlg.h"
#include "ConfigDlg.h"
#else
#include "PCHW/AOSoundStream.h"
#endif
#include "PCHW/Mixer.h"
#include "DSPHandler.h"
#include "Config.h"
DSPInitialize g_dspInitialize;
u8* g_pMemory;
#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:
break;
case DLL_PROCESS_DETACH:
break;
default:
break;
}
g_hInstance = hinstDLL;
return(TRUE);
}
#endif
void GetDllInfo(PLUGIN_INFO* _PluginInfo)
{
_PluginInfo->Version = 0x0100;
_PluginInfo->Type = PLUGIN_TYPE_DSP;
#ifndef _DEBUG
sprintf(_PluginInfo->Name, "Dolphin DSP-HLE Plugin");
#else
sprintf(_PluginInfo->Name, "Dolphin DSP-HLE Plugin Debug");
#endif
}
void DllAbout(HWND _hParent)
{
#ifdef _WIN32
CAboutDlg aboutDlg;
aboutDlg.DoModal(_hParent);
#endif
}
void DllConfig(HWND _hParent)
{
#ifdef _WIN32
CConfigDlg configDlg;
configDlg.DoModal(_hParent);
#endif
}
void DSP_Initialize(DSPInitialize _dspInitialize)
{
g_Config.LoadDefaults();
g_Config.Load();
g_dspInitialize = _dspInitialize;
g_pMemory = g_dspInitialize.pGetMemoryPointer(0);
CDSPHandler::CreateInstance();
#ifdef _WIN32
DSound::DSound_StartSound((HWND)g_dspInitialize.hWnd, 48000, Mixer);
#else
AOSound::AOSound_StartSound(48000, Mixer);
#endif
}
void DSP_Shutdown()
{
// delete the UCodes
#ifdef _WIN32
DSound::DSound_StopSound();
#else
AOSound::AOSound_StopSound();
#endif
CDSPHandler::Destroy();
}
struct DSPState
{
u32 CPUMailbox;
bool CPUMailbox_Written[2];
u32 DSPMailbox;
bool DSPMailbox_Read[2];
DSPState()
{
CPUMailbox = 0x00000000;
CPUMailbox_Written[0] = false;
CPUMailbox_Written[1] = false;
DSPMailbox = 0x00000000;
DSPMailbox_Read[0] = true;
DSPMailbox_Read[1] = true;
}
};
DSPState g_dspState;
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 Update_DSP_WriteRegister()
{
// check if the whole message is complete and if we can send it
if (g_dspState.CPUMailbox_Written[0] && g_dspState.CPUMailbox_Written[1])
{
CDSPHandler::GetInstance().SendMailToDSP(g_dspState.CPUMailbox);
g_dspState.CPUMailbox_Written[0] = g_dspState.CPUMailbox_Written[1] = false;
g_dspState.CPUMailbox = 0; // Mail sent so clear it to show that it is progressed
}
}
void DSP_WriteMailboxHigh(bool _CPUMailbox, unsigned short _Value)
{
if (_CPUMailbox)
{
g_dspState.CPUMailbox = (g_dspState.CPUMailbox & 0xFFFF) | (_Value << 16);
g_dspState.CPUMailbox_Written[0] = true;
Update_DSP_WriteRegister();
}
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;
g_dspState.CPUMailbox_Written[1] = true;
Update_DSP_WriteRegister();
}
else
{
PanicAlert("CPU can't write %08x to DSP mailbox", _Value);
}
}
unsigned short DSP_WriteControlRegister(unsigned short _Value)
{
return CDSPHandler::GetInstance().WriteControlRegister(_Value);
}
unsigned short DSP_ReadControlRegister()
{
return CDSPHandler::GetInstance().ReadControlRegister();
}
void DSP_Update(int cycles)
{
CDSPHandler::GetInstance().Update();
}
void DSP_SendAIBuffer(unsigned int address, int sample_rate)
{
short samples[16] = {0}; // interleaved stereo
if (address) {
for (int i = 0; i < 16; i++) {
samples[i] = Memory_Read_U16(address + i * 2);
}
}
Mixer_PushSamples(samples, 32 / 4, sample_rate);
static int counter = 0;
counter++;
#ifdef _WIN32
if ((counter & 255) == 0)
DSound::DSound_UpdateSound();
#endif
}