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DC idle skipping part 2: video thread is woken up when "OnIdle".

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For testing purpose only (I can't test with lots of games) because it may break some sync. Besides, I'm not satisfied with the way things are done.
So just uncomment "//#define THREAD_VIDEO_WAKEUP_ONIDLE" in thread.h in order to test it.
Works fine with movies, 2D and simple 3D in ZWW at least.
If it's ok I'll clean up the code.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@658 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
memberTwo.mb2
2008-09-24 10:52:58 +00:00
parent e4725675fd
commit da088e62ad
6 changed files with 56 additions and 8 deletions
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7
Source/Core/Core/Src/Core.cpp
View File

@ -367,10 +367,17 @@ THREAD_RETURN EmuThread(void *pArg)
}
else
{
#if defined(THREAD_VIDEO_WAKEUP_ONIDLE) && defined(_WIN32)
g_hEventOnIdle = CreateEvent( NULL, FALSE, FALSE, "EventOnIdle");
if (g_hEventOnIdle == NULL) PanicAlert("EmuThread() -> Create EventOnIdle error");
#endif
cpuThread = new Common::Thread(CpuThread, pArg);
PluginVideo::Video_Prepare(); //wglMakeCurrent
Common::SetCurrentThreadName("Video thread");
PluginVideo::Video_EnterLoop();
#if defined(THREAD_VIDEO_WAKEUP_ONIDLE) && defined(_WIN32)
CloseHandle(g_hEventOnIdle);
#endif
}
// Wait for CPU thread to exit - it should have been signaled to do so by now

14
Source/Core/Core/Src/HW/CommandProcessor.cpp
View File

@ -459,9 +459,10 @@ void CatchUpGPU()
void UpdateFifoRegister()
{
// update the distance
#ifdef _WIN32
if (Core::g_CoreStartupParameter.bUseDualCore) EnterCriticalSection(&fifo.sync);
#endif
//#ifdef _WIN32
// not needed since we are already in the critical section in DC mode -> see write16(...) (unique reference)
// if (Core::g_CoreStartupParameter.bUseDualCore) EnterCriticalSection(&fifo.sync);
//#endif
int wp = fifo.CPWritePointer;
int rp = fifo.CPReadPointer;
if (wp >= rp)
@ -469,9 +470,10 @@ void UpdateFifoRegister()
else
fifo.CPReadWriteDistance = (wp - fifo.CPBase) +
(fifo.CPEnd - rp);
#ifdef _WIN32
if (Core::g_CoreStartupParameter.bUseDualCore) LeaveCriticalSection(&fifo.sync);
#endif
//#ifdef _WIN32
// not needed since we are already in the critical section in DC mode (see write16)
// if (Core::g_CoreStartupParameter.bUseDualCore) LeaveCriticalSection(&fifo.sync);
//#endif
if (!Core::g_CoreStartupParameter.bUseDualCore) CatchUpGPU();
}

6
Source/Core/Core/Src/PowerPC/PowerPC.cpp
View File

@ -33,6 +33,8 @@
#include "../Host.h"
#include "thread.h" // for g_hEventOnIdle
namespace PowerPC
{
// STATE_TO_SAVE
@ -293,6 +295,10 @@ namespace PowerPC
//DualCore OnIdle
void OnIdleDC(void)
{
#if defined(THREAD_VIDEO_WAKEUP_ONIDLE) && defined(_WIN32)
if (g_hEventOnIdle==NULL) PanicAlert("Idle() -> EventOnIdle NULL");
if (! SetEvent(g_hEventOnIdle) ) { PanicAlert("Idle() -> SetEvent EventOnIdle failed");}
#endif
CoreTiming::Idle();
}
}