void Loop()
{
UE_LOG(LogShaders, Log, TEXT("Entering job loop"));
while(true)
{
TArray<FJobResult> JobResults;
// Read & Process Input
{
FArchive* InputFilePtr = OpenInputFile();
if(!InputFilePtr)
{
break;
}
UE_LOG(LogShaders, Log, TEXT("Processing shader"));
LastCompileTime = FPlatformTime::Seconds();
ProcessInputFromArchive(InputFilePtr, JobResults);
// Close the input file.
delete InputFilePtr;
}
// Prepare for output
FArchive* OutputFilePtr = CreateOutputArchive();
check(OutputFilePtr);
WriteToOutputArchive(OutputFilePtr, JobResults);
// Close the output file.
delete OutputFilePtr;
// Change the output file name to requested one
IFileManager::Get().Move(*OutputFilePath, *TempFilePath);
if (GShaderCompileUseXGE)
{
// To signal compilation completion, create a zero length file in the working directory.
WriteXGESuccessFile(*WorkingDirectory);
// We only do one pass per process when using XGE.
break;
}
}
UE_LOG(LogShaders, Log, TEXT("Exiting job loop"));
}
int32 GuardedMainWrapper(int32 ArgC, TCHAR* ArgV[], const TCHAR* CrashOutputFile)
{
// We need to know whether we are using XGE now, in case an exception
// is thrown before we parse the command line inside GuardedMain.
GShaderCompileUseXGE = (ArgC > 6) && FCString::Strcmp(ArgV[6], TEXT("-xge")) == 0;
int32 ReturnCode = 0;
#if PLATFORM_WINDOWS
if (FPlatformMisc::IsDebuggerPresent())
#endif
{
ReturnCode = GuardedMain(ArgC, ArgV);
}
#if PLATFORM_WINDOWS
else
{
// Don't want 32 dialogs popping up when SCW fails
GUseCrashReportClient = false;
__try
{
GIsGuarded = 1;
ReturnCode = GuardedMain(ArgC, ArgV);
GIsGuarded = 0;
}
__except( ReportCrash( GetExceptionInformation() ) )
{
FArchive& OutputFile = *IFileManager::Get().CreateFileWriter(CrashOutputFile,FILEWRITE_NoFail);
int32 OutputVersion = ShaderCompileWorkerOutputVersion;
OutputFile << OutputVersion;
int32 ErrorCode = GFailedDueToShaderFormatVersion ? 2 : 1;
OutputFile << ErrorCode;
// Note: Can't use FStrings here as SEH can't be used with destructors
int32 CallstackLength = FCString::Strlen(GErrorHist);
OutputFile << CallstackLength;
int32 ExceptionInfoLength = FCString::Strlen(GErrorExceptionDescription);
OutputFile << ExceptionInfoLength;
OutputFile.Serialize(GErrorHist, CallstackLength * sizeof(TCHAR));
OutputFile.Serialize(GErrorExceptionDescription, ExceptionInfoLength * sizeof(TCHAR));
int32 NumBatches = 0;
OutputFile << NumBatches;
// Close the output file.
delete &OutputFile;
if (GShaderCompileUseXGE)
{
ReturnCode = 1;
WriteXGESuccessFile(ArgV[1]);
}
}
}
#endif
FEngineLoop::AppPreExit();
FEngineLoop::AppExit();
return ReturnCode;
}
void Loop()
{
UE_LOG(LogShaders, Log, TEXT("Entering job loop"));
while(true)
{
TArray<FJobResult> JobResults;
// Read & Process Input
{
FArchive* InputFilePtr = OpenInputFile();
if(!InputFilePtr)
{
break;
}
UE_LOG(LogShaders, Log, TEXT("Processing shader"));
LastCompileTime = FPlatformTime::Seconds();
ProcessInputFromArchive(InputFilePtr, JobResults);
// Close the input file.
delete InputFilePtr;
}
// Prepare for output
FArchive* OutputFilePtr = CreateOutputArchive();
check(OutputFilePtr);
WriteToOutputArchive(OutputFilePtr, JobResults);
// Close the output file.
delete OutputFilePtr;
#if PLATFORM_MAC || PLATFORM_LINUX
// Change the output file name to requested one
IFileManager::Get().Move(*OutputFilePath, *TempFilePath);
#endif
#if PLATFORM_SUPPORTS_NAMED_PIPES
if (CommunicationMode == ThroughNamedPipeOnce || CommunicationMode == ThroughNamedPipe)
{
VerifyResult(Pipe.WriteInt32(TransferBufferOut.Num()), TEXT("Writing Transfer Size"));
VerifyResult(Pipe.WriteBytes(TransferBufferOut.Num(), TransferBufferOut.GetData()), TEXT("Writing Transfer Buffer"));
//FPlatformMisc::LowLevelOutputDebugStringf(TEXT("*** Closing pipe...\n"));
Pipe.Destroy();
if (CommunicationMode == ThroughNamedPipeOnce)
{
// Give up CPU time while we are waiting
FPlatformProcess::Sleep(0.02f);
break;
}
LastConnectionTime = FPlatformTime::Seconds();
}
#endif // PLATFORM_SUPPORTS_NAMED_PIPES
if (GShaderCompileUseXGE)
{
// To signal compilation completion, create a zero length file in the working directory.
WriteXGESuccessFile(*WorkingDirectory);
// We only do one pass per process when using XGE.
break;
}
}
UE_LOG(LogShaders, Log, TEXT("Exiting job loop"));
}
