void FStats::AdvanceFrame( bool bDiscardCallstack, const FOnAdvanceRenderingThreadStats& AdvanceRenderingThreadStatsDelegate /*= FOnAdvanceRenderingThreadStats()*/ )
{
#if STATS
check( IsInGameThread() );
static int32 MasterDisableChangeTagStartFrame = -1;
FPlatformAtomics::InterlockedIncrement(&GameThreadStatsFrame);
int64 Frame = GameThreadStatsFrame;
if( bDiscardCallstack )
{
FThreadStats::FrameDataIsIncomplete(); // we won't collect call stack stats this frame
}
if( MasterDisableChangeTagStartFrame == -1 )
{
MasterDisableChangeTagStartFrame = FThreadStats::MasterDisableChangeTag();
}
if( !FThreadStats::IsCollectingData() || MasterDisableChangeTagStartFrame != FThreadStats::MasterDisableChangeTag() )
{
Frame = -GameThreadStatsFrame; // mark this as a bad frame
}
// Update the seconds per cycle.
SET_FLOAT_STAT( STAT_SecondsPerCycle, FPlatformTime::GetSecondsPerCycle() );
static FStatNameAndInfo Adv( NAME_AdvanceFrame, "", "", TEXT( "" ), EStatDataType::ST_int64, true, false );
FThreadStats::AddMessage( Adv.GetEncodedName(), EStatOperation::AdvanceFrameEventGameThread, Frame ); // we need to flush here if we aren't collecting stats to make sure the meta data is up to date
if( FPlatformProperties::IsServerOnly() )
{
FThreadStats::AddMessage( Adv.GetEncodedName(), EStatOperation::AdvanceFrameEventRenderThread, Frame ); // we need to flush here if we aren't collecting stats to make sure the meta data is up to date
}
if( AdvanceRenderingThreadStatsDelegate.IsBound() )
{
AdvanceRenderingThreadStatsDelegate.Execute( bDiscardCallstack, GameThreadStatsFrame, MasterDisableChangeTagStartFrame );
}
else
{
// There is no rendering thread, so this message is sufficient to make stats happy and don't leak memory.
FThreadStats::AddMessage( Adv.GetEncodedName(), EStatOperation::AdvanceFrameEventRenderThread, Frame );
}
FThreadStats::ExplicitFlush( bDiscardCallstack );
FThreadStats::WaitForStats();
MasterDisableChangeTagStartFrame = FThreadStats::MasterDisableChangeTag();
#endif
}
void FServiceConnection::Initialize( const FProfilerServiceAuthorize2& Message, const IMessageContextRef& Context )
{
#if STATS
ServiceAddress = Context->GetSender();
InstanceId = Message.InstanceId;
CurrentData.Frame = 0;
// add the supplied meta data
FArrayReader ArrayReader(true);
ArrayReader.Append(Message.Data);
MetaData.CriticalSection = &CriticalSection;
int64 Size = ArrayReader.TotalSize();
// read in the magic, at some point may need to know what it actually is
uint32 Magic = 0;
ArrayReader << Magic;
// read in the data
TArray<FStatMessage> StatMessages;
{
SCOPE_CYCLE_COUNTER(STAT_PC_ReadStatMessages);
while(ArrayReader.Tell() < Size)
{
// read the message
new (StatMessages) FStatMessage(Stream.ReadMessage(ArrayReader));
}
static FStatNameAndInfo Adv(NAME_AdvanceFrame, "", TEXT(""), EStatDataType::ST_int64, true, false);
new (StatMessages) FStatMessage(Adv.GetEncodedName(), EStatOperation::AdvanceFrameEventGameThread, 1LL, false);
}
// generate a thread state from the data
{
SCOPE_CYCLE_COUNTER(STAT_PC_AddStatMessages);
CurrentThreadState.AddMessages(StatMessages);
}
UpdateMetaData();
#endif
}