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Fixed Issue 1921

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This also fixed Ikaruga, not sure whether it could fix Metriod Prime. If not, how about disabling EFB copy?

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4777 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
ayuanx
2010-01-03 16:04:40 +00:00
parent ad594abe69
commit a3c258cf9c
3 changed files with 36 additions and 14 deletions
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28
Source/Core/VideoCommon/Src/Fifo.cpp
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@ -35,7 +35,7 @@ namespace
{
static volatile bool fifoStateRun = false;
static u8 *videoBuffer;
static Common::Event fifo_exit_event;
static Common::Event fifo_run_event;
// STATE_TO_SAVE
static int size = 0;
} // namespace
@ -56,14 +56,14 @@ void Fifo_DoState(PointerWrap &p)
void Fifo_Init()
{
videoBuffer = (u8*)AllocateMemoryPages(FIFO_SIZE);
fifo_exit_event.Init();
fifo_run_event.Init();
fifoStateRun = false;
}
void Fifo_Shutdown()
{
if (fifoStateRun)
PanicAlert("Fifo shutting down while active");
if (fifoStateRun) PanicAlert("Fifo shutting down while active");
fifo_run_event.Shutdown();
FreeMemoryPages(videoBuffer, FIFO_SIZE);
}
@ -89,10 +89,7 @@ void Fifo_SetRendering(bool enabled)
// the loop. Switch to the video thread and investigate.
void Fifo_ExitLoop()
{
fifoStateRun = false;
fifo_exit_event.MsgWait();
fifo_exit_event.Shutdown();
Fifo_ExitLoopNonBlocking();
}
// May be executed from any thread, even the graphics thread.
@ -100,6 +97,12 @@ void Fifo_ExitLoop()
void Fifo_ExitLoopNonBlocking()
{
fifoStateRun = false;
fifo_run_event.Set();
}
void Fifo_RunLoop()
{
fifo_run_event.Set();
}
// Description: Fifo_EnterLoop() sends data through this function.
@ -156,7 +159,9 @@ void Fifo_EnterLoop(const SVideoInitialize &video_initialize)
// so careful check is required
if (
(readPtr == _fifo.CPBreakpoint) ||
(readPtr == _fifo.CPWritePointer) ||
//(readPtr <= _fifo.CPBreakpoint && readPtr + 32 > _fifo.CPBreakpoint) ||
(readPtr <= _fifo.CPWritePointer && _fifo.CPWritePointer < _fifo.CPBreakpoint) ||
(readPtr <= _fifo.CPWritePointer && readPtr > _fifo.CPBreakpoint) ||
(readPtr > _fifo.CPBreakpoint && _fifo.CPBreakpoint > _fifo.CPWritePointer)
)
{
@ -200,11 +205,12 @@ 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();
Common::YieldCPU();
fifo_run_event.MsgWait();
}
fifo_exit_event.Set();
}