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This could alleviate the suffering of dual core synchronization a bit.

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But I doubt you would notice it in most cases.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4830 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
ayuanx
2010-01-14 10:52:14 +00:00
parent b186f0821e
commit 571a47ef9a
11 changed files with 108 additions and 49 deletions
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8
Source/Core/VideoCommon/Src/CommandProcessor.cpp
View File

@ -105,7 +105,7 @@ int m_bboxbottom;
u16 m_tokenReg;
static u32 fake_GPWatchdogLastToken = 0;
static Common::Event s_fifoIdleEvent;
static Common::EventEx s_fifoIdleEvent;
static Common::CriticalSection sFifoCritical;
void FifoCriticalEnter()
@ -381,7 +381,7 @@ void Write16(const u16 _Value, const u32 _Address)
// Touching that game is a no-go so I don't want to take the risk :p
while (fifo.bFF_GPReadEnable && ((!fifo.bFF_BPEnable && fifo.CPReadWriteDistance) || (fifo.bFF_BPEnable && !fifo.bFF_Breakpoint)))
{
s_fifoIdleEvent.MsgWait();
s_fifoIdleEvent.Wait();
}
}
}
@ -573,7 +573,7 @@ void WaitForFrameFinish()
{
while ((fake_GPWatchdogLastToken == fifo.Fake_GPWDToken) && fifo.bFF_GPReadEnable && ((!fifo.bFF_BPEnable && fifo.CPReadWriteDistance) || (fifo.bFF_BPEnable && !fifo.bFF_Breakpoint)));
{
s_fifoIdleEvent.MsgWait();
s_fifoIdleEvent.Wait();
}
fake_GPWatchdogLastToken = fifo.Fake_GPWDToken;
@ -618,7 +618,7 @@ void STACKALIGN GatherPipeBursted()
// Wait for GPU to catch up
while (fifo.CPReadWriteDistance > fifo.CPLoWatermark && fifo.bFF_GPReadEnable && (!fifo.bFF_BPEnable || (fifo.bFF_BPEnable && !fifo.bFF_Breakpoint)))
{
s_fifoIdleEvent.MsgWait();
s_fifoIdleEvent.Wait();
}
}
// check if we are in sync

6
Source/Core/VideoCommon/Src/Fifo.cpp
View File

@ -36,7 +36,7 @@ namespace
static volatile bool fifoStateRun = false;
static volatile bool EmuRunning = false;
static u8 *videoBuffer;
static Common::Event fifo_run_event;
static Common::EventEx fifo_run_event;
// STATE_TO_SAVE
static int size = 0;
} // namespace
@ -170,6 +170,7 @@ void Fifo_EnterLoop(const SVideoInitialize &video_initialize)
{
Common::AtomicStore(_fifo.bFF_Breakpoint, 1);
CommandProcessor::UpdateInterruptsFromVideoPlugin(true);
CommandProcessor::FifoCriticalLeave();
break;
}
distToSend = 32;
@ -208,10 +209,7 @@ void Fifo_EnterLoop(const SVideoInitialize &video_initialize)
// leading the CPU thread to wait in Video_BeginField or Video_AccessEFB thus slowing things down.
VideoFifo_CheckEFBAccess();
VideoFifo_CheckSwapRequest();
CommandProcessor::SetFifoIdleFromVideoPlugin();
}
CommandProcessor::SetFifoIdleFromVideoPlugin();
if (EmuRunning)
Common::YieldCPU();