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Cache pointer to dsp plugin. turns out the lookup is pretty expensive, looking at TD's oprofile run... this'll maybe give you a frame or two.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3664 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2009-07-03 18:47:55 +00:00
parent 90a2096a24
commit 37332216ef
1 changed files with 18 additions and 13 deletions
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31
Source/Core/Core/Src/HW/DSP.cpp
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@ -170,6 +170,9 @@ u16 g_AR_MODE = 0x43; // 0x23 -> Zelda standard mode (standard ARAM access ??)
// 0x43 -> written by OSAudioInit at the UCode upload (upload UCode)
// 0x63 -> ARCheckSize Mode (access AR-registers ??) or no exception ??
Common::PluginDSP *dsp_plugin;
void DoState(PointerWrap &p)
{
if (!SConfig::GetInstance().m_LocalCoreStartupParameter.bWii)
@ -197,6 +200,8 @@ void GenerateDSPInterrupt_Wrapper(u64 userdata, int cyclesLate)
void Init()
{
dsp_plugin = CPluginManager::GetInstance().GetDSP();
if (SConfig::GetInstance().m_LocalCoreStartupParameter.bWii)
{
// On the Wii, ARAM is simply mapped to EXRAM.
@ -217,6 +222,7 @@ void Shutdown()
if (!SConfig::GetInstance().m_LocalCoreStartupParameter.bWii)
FreeMemoryPages(g_ARAM, ARAM_SIZE);
g_ARAM = NULL;
dsp_plugin = NULL;
}
void Read16(u16& _uReturnValue, const u32 _iAddress)
@ -224,34 +230,34 @@ void Read16(u16& _uReturnValue, const u32 _iAddress)
// WTF is this check about? DSP is at 5000 TODO remove
if ((_iAddress & 0x6C00) != 0x6c00)
{
if (_iAddress != 0xCC005004) {
if (_iAddress != 0xCC005004)
{
DEBUG_LOG(DSPINTERFACE, "DSPInterface(r16) 0x%08x", _iAddress);
}
Common::PluginDSP *dsp = CPluginManager::GetInstance().GetDSP();
switch (_iAddress & 0xFFFF)
{
// ==================================================================================
// AI_REGS 0x5000+
// ==================================================================================
case DSP_MAIL_TO_DSP_HI:
_uReturnValue = dsp->DSP_ReadMailboxHigh(true);
_uReturnValue = dsp_plugin->DSP_ReadMailboxHigh(true);
return;
case DSP_MAIL_TO_DSP_LO:
_uReturnValue = dsp->DSP_ReadMailboxLow(true);
_uReturnValue = dsp_plugin->DSP_ReadMailboxLow(true);
return;
case DSP_MAIL_FROM_DSP_HI:
_uReturnValue = dsp->DSP_ReadMailboxHigh(false);
_uReturnValue = dsp_plugin->DSP_ReadMailboxHigh(false);
return;
case DSP_MAIL_FROM_DSP_LO:
_uReturnValue = dsp->DSP_ReadMailboxLow(false);
_uReturnValue = dsp_plugin->DSP_ReadMailboxLow(false);
return;
case DSP_CONTROL:
_uReturnValue = (g_dspState.DSPControl.Hex & ~DSP_CONTROL_MASK) |
(dsp->DSP_ReadControlRegister() & DSP_CONTROL_MASK);
(dsp_plugin->DSP_ReadControlRegister() & DSP_CONTROL_MASK);
return;
// ==================================================================================
@ -311,7 +317,7 @@ void Read16(u16& _uReturnValue, const u32 _iAddress)
void Write16(const u16 _Value, const u32 _Address)
{
DEBUG_LOG(DSPINTERFACE, "DSPInterface(w16) 0x%04x 0x%08x", _Value, _Address);
Common::PluginDSP *dsp = CPluginManager::GetInstance().GetDSP();
switch(_Address & 0xFFFF)
{
// ==================================================================================
@ -319,11 +325,11 @@ void Write16(const u16 _Value, const u32 _Address)
// ==================================================================================
case DSP_MAIL_TO_DSP_HI:
dsp->DSP_WriteMailboxHigh(true, _Value);
dsp_plugin->DSP_WriteMailboxHigh(true, _Value);
break;
case DSP_MAIL_TO_DSP_LO:
dsp->DSP_WriteMailboxLow(true, _Value);
dsp_plugin->DSP_WriteMailboxLow(true, _Value);
break;
case DSP_MAIL_FROM_DSP_HI:
@ -341,7 +347,7 @@ void Write16(const u16 _Value, const u32 _Address)
{
UDSPControl tmpControl;
tmpControl.Hex = (_Value & ~DSP_CONTROL_MASK) |
(dsp->DSP_WriteControlRegister(_Value) & DSP_CONTROL_MASK);
(dsp_plugin->DSP_WriteControlRegister(_Value) & DSP_CONTROL_MASK);
// Update DSP related flags
g_dspState.DSPControl.DSPReset = tmpControl.DSPReset;
@ -452,12 +458,11 @@ void Write16(const u16 _Value, const u32 _Address)
// This happens at 4 khz, since 32 bytes at 4khz = 4 bytes at 32 khz (16bit stereo pcm)
void UpdateAudioDMA()
{
Common::PluginDSP *dsp = CPluginManager::GetInstance().GetDSP();
if (g_audioDMA.AudioDMAControl.Enabled && g_audioDMA.BlocksLeft) {
// Read audio at g_audioDMA.ReadAddress in RAM and push onto an external audio fifo in the emulator,
// to be mixed with the disc streaming output. If that audio queue fills up, we delay the emulator.
// TO RESTORE OLD BEHAVIOUR, COMMENT OUT THIS LINE
dsp->DSP_SendAIBuffer(g_audioDMA.ReadAddress, AudioInterface::GetDSPSampleRate());
dsp_plugin->DSP_SendAIBuffer(g_audioDMA.ReadAddress, AudioInterface::GetDSPSampleRate());
g_audioDMA.ReadAddress += 32;
g_audioDMA.BlocksLeft--;