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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifdef USE_GML
#include "gml_base.h"
#include "gmlsrv.h"
#include "Game/GameController.h"
#include "Sim/Units/Unit.h"
#include "Sim/Misc/GlobalSynced.h"
#include "System/OffscreenGLContext.h"
#include "System/SpringApp.h"
#include "System/Config/ConfigHandler.h"
#include "System/Log/ILog.h"
#include "System/Platform/Threading.h"
#include "System/Platform/Watchdog.h"
CONFIG(bool, MultiThreadShareLists).defaultValue(true);
CONFIG(bool, MultiThreadSim).defaultValue(true);
extern gmlClientServer<void, int, CUnit*> *gmlProcessor;
COffscreenGLContext* ogc[GML_MAX_NUM_THREADS] = { NULL };
#if GML_ENABLE_SIM
static void gmlSimLoop(void*)
{
try {
Watchdog::ClearTimer(WDT_SIM, true);
while(gmlKeepRunning && !gmlStartSim)
SDL_Delay(100);
if (gmlKeepRunning) {
if (gmlShareLists)
ogc[0]->WorkerThreadPost();
//Threading::SetAffinity(3);
Watchdog::ClearTimer(WDT_SIM);
while(gmlKeepRunning) {
if(!gmlMultiThreadSim) {
Watchdog::ClearTimer(WDT_SIM, true);
while(!gmlMultiThreadSim && gmlKeepRunning)
SDL_Delay(500);
}
//FIXME activeController could change while processing this branch. Better make it safe with a mutex?
if (activeController) {
Watchdog::ClearTimer(WDT_SIM);
gmlProcessor->ExpandAuxQueue();
if(!GML::UpdateSim(activeController))
gmlKeepRunning = false;
gmlProcessor->GetQueue();
}
boost::thread::yield();
}
if(gmlShareLists)
ogc[0]->WorkerThreadFree();
}
} CATCH_SPRING_ERRORS
}
#endif
namespace GML {
bool UpdateSim(CGameController *ac) {
GML_MSTMUTEX_LOCK(sim); // UpdateSim
Threading::SetSimThread(true);
bool ret = ac->Update();
Threading::SetSimThread(false);
return ret;
}
void Init()
{
gmlShareLists = configHandler->GetBool("MultiThreadShareLists");
if (!gmlShareLists) {
gmlMaxServerThreadNum = GML_LOAD_THREAD_NUM;
gmlMaxShareThreadNum = GML_LOAD_THREAD_NUM;
gmlNoGLThreadNum = GML_SIM_THREAD_NUM;
}
gmlThreadCountOverride = configHandler->GetInt("HardwareThreadCount");
gmlThreadCount = GML_CPU_COUNT;
if (gmlShareLists) { // create offscreen OpenGL contexts
for (int i = 0; i < gmlThreadCount; ++i)
ogc[i] = new COffscreenGLContext();
}
gmlProcessor = new gmlClientServer<void, int, CUnit*>;
#if GML_ENABLE_SIM
gmlMultiThreadSim = configHandler->GetBool("MultiThreadSim");
gmlKeepRunning = true;
gmlStartSim = false;
// start sim thread
gmlProcessor->AuxWork(&gmlSimLoop, NULL);
#endif
}
void Exit()
{
if(gmlProcessor) {
#if GML_ENABLE_SIM
gmlKeepRunning = false; // wait for sim to finish
while(!gmlProcessor->PumpAux())
boost::thread::yield();
#endif
delete gmlProcessor;
gmlProcessor = NULL;
if(gmlShareLists) {
for (int i = 0; i < gmlThreadCount; ++i) {
delete ogc[i];
ogc[i] = NULL;
}
}
}
}
void PumpAux()
{
#if GML_ENABLE_SIM
gmlProcessor->PumpAux();
#endif
}
bool SimThreadRunning()
{
#if GML_ENABLE_SIM
if (!gmlStartSim && gmlMultiThreadSim && gs->frameNum > 0) {
gmlStartSim = true;
}
return (gmlStartSim && gmlMultiThreadSim);
#else
return false;
#endif
}
};
#endif // USE_GML
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