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Paused the video thread while a save state was being created or loaded. Performed the save state operation after the fifo became idle. Saved the interrupt status of the video thread into the save state. This helps stabilise the save states in dual core mode in games like Super Mario Galaxy.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7112 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
skidau
2011-02-08 10:37:47 +00:00
parent 90bae5d57f
commit 855f97841d
9 changed files with 52 additions and 27 deletions
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48
Source/Core/VideoCommon/Src/CommandProcessor.cpp
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@ -87,19 +87,8 @@
namespace CommandProcessor
{
bool IsOnThread()
{
return SConfig::GetInstance().m_LocalCoreStartupParameter.bCPUThread;
}
int et_UpdateInterrupts;
void UpdateInterrupts_Wrapper(u64 userdata, int cyclesLate)
{
UpdateInterrupts(userdata);
}
// look for 1002 verts, breakpoint there, see why next draw is flushed
// TODO(ector): Warn on bbox read/write
@ -109,8 +98,6 @@ UCPStatusReg m_CPStatusReg;
UCPCtrlReg m_CPCtrlReg;
UCPClearReg m_CPClearReg;
u32 HiWatermark_Tighter;
int m_bboxleft;
int m_bboxtop;
int m_bboxright;
@ -120,7 +107,7 @@ u16 m_tokenReg;
static u32 fake_GPWatchdogLastToken = 0;
static Common::EventEx s_fifoIdleEvent;
static Common::CriticalSection sFifoCritical;
static bool bProcessFifoToLoWatemark = false;
static bool bProcessFifoToLoWatermark = false;
static bool bProcessFifoAllDistance = false;
volatile bool isFifoBusy = false; //This state is changed when the FIFO is processing data.
@ -130,6 +117,16 @@ volatile bool interruptTokenWaiting = false;
volatile bool interruptFinishWaiting = false;
volatile bool OnOverflow = false;
bool IsOnThread()
{
return SConfig::GetInstance().m_LocalCoreStartupParameter.bCPUThread;
}
void UpdateInterrupts_Wrapper(u64 userdata, int cyclesLate)
{
UpdateInterrupts(userdata);
}
void FifoCriticalEnter()
{
sFifoCritical.Enter();
@ -144,14 +141,23 @@ void DoState(PointerWrap &p)
{
p.Do(m_CPStatusReg);
p.Do(m_CPCtrlReg);
//p.Do(m_CPClearReg);
p.Do(m_CPClearReg);
p.Do(m_bboxleft);
p.Do(m_bboxtop);
p.Do(m_bboxright);
p.Do(m_bboxbottom);
p.Do(m_tokenReg);
p.Do(fifo);
p.Do(HiWatermark_Tighter);
p.Do(bProcessFifoToLoWatermark);
p.Do(bProcessFifoAllDistance);
p.Do(isFifoBusy);
p.Do(interruptSet);
p.Do(interruptWaiting);
p.Do(interruptTokenWaiting);
p.Do(interruptFinishWaiting);
p.Do(OnOverflow);
}
//inline void WriteLow (u32& _reg, u16 lowbits) {_reg = (_reg & 0xFFFF0000) | lowbits;}
@ -478,8 +484,8 @@ void Write16(const u16 _Value, const u32 _Address)
ProcessorInterface::Fifo_CPUEnd = fifo.CPEnd;
}
// If overflown happens process the fifo to LoWatemark
if (bProcessFifoToLoWatemark)
ProcessFifoToLoWatemark();
if (bProcessFifoToLoWatermark)
ProcessFifoToLoWatermark();
INFO_LOG(COMMANDPROCESSOR,"\t Write to CTRL_REGISTER : %04x", _Value);
@ -501,7 +507,7 @@ void Write16(const u16 _Value, const u32 _Address)
if (IsOnThread())
{
if (!tmpCtrl.ClearFifoUnderflow && tmpCtrl.ClearFifoOverflow)
bProcessFifoToLoWatemark = true;
bProcessFifoToLoWatermark = true;
}
else
@ -890,7 +896,7 @@ void SetStatus()
}
}
void ProcessFifoToLoWatemark()
void ProcessFifoToLoWatermark()
{
if (IsOnThread())
{
@ -898,7 +904,7 @@ void ProcessFifoToLoWatemark()
fifo.CPReadWriteDistance > fifo.CPLoWatermark && !AtBreakpoint())
Common::YieldCPU();
}
bProcessFifoToLoWatemark = false;
bProcessFifoToLoWatermark = false;
}
void ProcessFifoAllDistance()