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DSP LLE Jit, joined work with XK and skidu.

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VERY EXPERIMENTAL DON'T EXPECT HIGH PERFORMANCE!.



git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5288 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nakeee
2010-04-07 15:04:45 +00:00
parent 1b96bef8e1
commit 499936561a
22 changed files with 1305 additions and 324 deletions
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23
Source/Plugins/Plugin_DSP_LLE/Src/main.cpp
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@ -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);
}
}