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Added preliminary support to synchronise the timing of the CPU and GPU threads. A new option has been added to the game properties for this purpose. This option may help with random freezes in Dual Core mode.

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Fixes Gladius and Baten Kaitos: Eternal Wings and the Lost Ocean

Fixes issue 5150.
This commit is contained in:
skidau
2013-02-16 12:51:09 +11:00
parent 51795d8811
commit 9bff8e00c8
17 changed files with 211 additions and 109 deletions
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75
Source/Core/VideoCommon/Src/Fifo.cpp
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@ -26,6 +26,7 @@
#include "Fifo.h"
#include "HW/Memmap.h"
#include "Core.h"
#include "CoreTiming.h"
volatile bool g_bSkipCurrentFrame = false;
extern u8* g_pVideoData;
@ -72,6 +73,7 @@ void Fifo_Init()
videoBuffer = (u8*)AllocateMemoryPages(FIFO_SIZE);
size = 0;
GpuRunningState = false;
Common::AtomicStore(CommandProcessor::VITicks, CommandProcessor::m_cpClockOrigin);
}
void Fifo_Shutdown()
@ -123,7 +125,7 @@ void ReadDataFromFifo(u8* _uData, u32 len)
size -= pos;
if (size + len > FIFO_SIZE)
{
PanicAlert("FIFO out of bounds (sz = %i, at %08x)", size, pos);
PanicAlert("FIFO out of bounds (sz = %i, len = %i at %08x)", size, len, pos);
}
memmove(&videoBuffer[0], &videoBuffer[pos], size);
g_pVideoData = videoBuffer;
@ -147,6 +149,7 @@ void RunGpuLoop()
std::lock_guard<std::mutex> lk(m_csHWVidOccupied);
GpuRunningState = true;
SCPFifoStruct &fifo = CommandProcessor::fifo;
u32 cyclesExecuted = 0;
while (GpuRunningState)
{
@ -156,6 +159,8 @@ void RunGpuLoop()
CommandProcessor::SetCpStatus();
Common::AtomicStore(CommandProcessor::VITicks, CommandProcessor::m_cpClockOrigin);
// check if we are able to run this buffer
while (GpuRunningState && !CommandProcessor::interruptWaiting && fifo.bFF_GPReadEnable && fifo.CPReadWriteDistance && !AtBreakpoint())
{
@ -163,24 +168,30 @@ void RunGpuLoop()
fifo.isGpuReadingData = true;
CommandProcessor::isPossibleWaitingSetDrawDone = fifo.bFF_GPLinkEnable ? true : false;
u32 readPtr = fifo.CPReadPointer;
u8 *uData = Memory::GetPointer(readPtr);
if (readPtr == fifo.CPEnd) readPtr = fifo.CPBase;
if (Common::AtomicLoad(CommandProcessor::VITicks) > CommandProcessor::m_cpClockOrigin || !Core::g_CoreStartupParameter.bSyncGPU)
{
u32 readPtr = fifo.CPReadPointer;
u8 *uData = Memory::GetPointer(readPtr);
if (readPtr == fifo.CPEnd) readPtr = fifo.CPBase;
else readPtr += 32;
_assert_msg_(COMMANDPROCESSOR, (s32)fifo.CPReadWriteDistance - 32 >= 0 ,
"Negative fifo.CPReadWriteDistance = %i in FIFO Loop !\nThat can produce inestabilty in the game. Please report it.", fifo.CPReadWriteDistance - 32);
ReadDataFromFifo(uData, 32);
OpcodeDecoder_Run(g_bSkipCurrentFrame);
Common::AtomicStore(fifo.CPReadPointer, readPtr);
Common::AtomicAdd(fifo.CPReadWriteDistance, -32);
if((GetVideoBufferEndPtr() - g_pVideoData) == 0)
Common::AtomicStore(fifo.SafeCPReadPointer, fifo.CPReadPointer);
_assert_msg_(COMMANDPROCESSOR, (s32)fifo.CPReadWriteDistance - 32 >= 0 ,
"Negative fifo.CPReadWriteDistance = %i in FIFO Loop !\nThat can produce instabilty in the game. Please report it.", fifo.CPReadWriteDistance - 32);
ReadDataFromFifo(uData, 32);
cyclesExecuted = OpcodeDecoder_Run(g_bSkipCurrentFrame);
if (Common::AtomicLoad(CommandProcessor::VITicks) > cyclesExecuted && Core::g_CoreStartupParameter.bSyncGPU)
Common::AtomicAdd(CommandProcessor::VITicks, -(s32)cyclesExecuted);
Common::AtomicStore(fifo.CPReadPointer, readPtr);
Common::AtomicAdd(fifo.CPReadWriteDistance, -32);
if((GetVideoBufferEndPtr() - g_pVideoData) == 0)
Common::AtomicStore(fifo.SafeCPReadPointer, fifo.CPReadPointer);
}
CommandProcessor::SetCpStatus();
@ -190,7 +201,7 @@ void RunGpuLoop()
VideoFifo_CheckAsyncRequest();
CommandProcessor::isPossibleWaitingSetDrawDone = false;
}
fifo.isGpuReadingData = false;
@ -219,23 +230,23 @@ bool AtBreakpoint()
void RunGpu()
{
SCPFifoStruct &fifo = CommandProcessor::fifo;
while (fifo.bFF_GPReadEnable && fifo.CPReadWriteDistance && !AtBreakpoint() )
{
u8 *uData = Memory::GetPointer(fifo.CPReadPointer);
SCPFifoStruct &fifo = CommandProcessor::fifo;
while (fifo.bFF_GPReadEnable && fifo.CPReadWriteDistance && !AtBreakpoint() )
{
u8 *uData = Memory::GetPointer(fifo.CPReadPointer);
SaveSSEState();
LoadDefaultSSEState();
ReadDataFromFifo(uData, 32);
OpcodeDecoder_Run(g_bSkipCurrentFrame);
LoadSSEState();
SaveSSEState();
LoadDefaultSSEState();
ReadDataFromFifo(uData, 32);
u32 count = OpcodeDecoder_Run(g_bSkipCurrentFrame);
LoadSSEState();
//DEBUG_LOG(COMMANDPROCESSOR, "Fifo wraps to base");
//DEBUG_LOG(COMMANDPROCESSOR, "Fifo wraps to base");
if (fifo.CPReadPointer == fifo.CPEnd) fifo.CPReadPointer = fifo.CPBase;
else fifo.CPReadPointer += 32;
if (fifo.CPReadPointer == fifo.CPEnd) fifo.CPReadPointer = fifo.CPBase;
else fifo.CPReadPointer += 32;
fifo.CPReadWriteDistance -= 32;
}
CommandProcessor::SetCpStatus();
fifo.CPReadWriteDistance -= 32;
}
CommandProcessor::SetCpStatus();
}