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9f65ad43a6
This mainly covers the new Pixel Streaming plugin version along with minor changes to other parts of the engine: * removed multiple copies of FThread as it's now a part of Core * changes to SlateUser required to fix user input in Pixel Streaming This wasn't formally reviewed due to the size of Pixel Streaming changes, but was skimmed over by Zack Letters before integration #rb zack.letters [CL 9486237 by Andriy Tylychko in Main branch]
118 lines
4.4 KiB
C++
118 lines
4.4 KiB
C++
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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/**
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*
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* Logging framework very similar to UE4's own logging framework
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*
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*/
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#pragma once
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#include "SessionMonitorCommon.h"
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enum class ELogVerbosity : uint8_t
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{
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None,
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Fatal,
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Error,
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Warning,
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Log,
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Verbose,
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VeryVerbose
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};
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const char* LogVerbosityToString(ELogVerbosity v);
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class FLogCategoryBase
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{
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public:
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FLogCategoryBase(const char* Name, ELogVerbosity Verbosity, ELogVerbosity CompileTimeVerbosity);
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//! Tells if a log message of the specified verbosity should be suppressed or logged
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bool IsSuppressed(ELogVerbosity V) const;
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//! Set runtime verbosity
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void SetVerbosity(ELogVerbosity V);
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ELogVerbosity Verbosity;
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ELogVerbosity CompileTimeVerbosity;
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std::string Name;
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};
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template <ELogVerbosity DEFAULT_VERBOSITY, ELogVerbosity COMPILETIME_VERBOSITY>
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class FLogCategory : public FLogCategoryBase
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{
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public:
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FLogCategory(const char* Name)
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: FLogCategoryBase(Name, DEFAULT_VERBOSITY, COMPILETIME_VERBOSITY)
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{
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}
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enum
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{
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CompileTimeVerbosity = (int)COMPILETIME_VERBOSITY
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};
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};
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/**
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* Interface for log outputs.
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* NOTE: Classes that implement this interface get automatically registered as
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* a log output, and unregistered when destroyed
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*/
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class ILogOutput
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{
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public:
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ILogOutput();
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virtual ~ILogOutput();
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static void LogToAll(
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const char* File, int Line, const FLogCategoryBase* Category, ELogVerbosity Verbosity,
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_Printf_format_string_ const char* Fmt, ...);
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virtual void
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Log(const char* File, int Line, const FLogCategoryBase* Category, ELogVerbosity Verbosity, const char* Msg) = 0;
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private:
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struct FSharedData
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{
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std::mutex Mtx;
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std::vector<ILogOutput*> Outputs;
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};
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static FSharedData* GetSharedData();
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};
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#define EG_LOG_MINIMUM_VERBOSITY VeryVerbose
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#define EG_DECLARE_LOG_CATEGORY(NAME, DEFAULT_VERBOSITY, COMPILETIME_VERBOSITY) \
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extern class FLogCategory##NAME \
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: public ::FLogCategory<::ELogVerbosity::DEFAULT_VERBOSITY, ::ELogVerbosity::COMPILETIME_VERBOSITY> \
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{ \
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public: \
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FLogCategory##NAME() \
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: FLogCategory(#NAME) \
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{ \
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} \
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} NAME;
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#define EG_DEFINE_LOG_CATEGORY(NAME) FLogCategory##NAME NAME;
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#define EG_LOG_CHECK_COMPILETIME_VERBOSITY(NAME, VERBOSITY) \
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(((int)::ELogVerbosity::VERBOSITY <= FLogCategory##NAME::CompileTimeVerbosity) && \
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((int)::ELogVerbosity::VERBOSITY <= (int)::ELogVerbosity::EG_LOG_MINIMUM_VERBOSITY))
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#define EG_LOG(NAME, VERBOSITY, Fmt, ...) \
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{ \
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if constexpr (EG_LOG_CHECK_COMPILETIME_VERBOSITY(NAME, VERBOSITY)) \
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{ \
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if (!NAME.IsSuppressed(::ELogVerbosity::VERBOSITY)) \
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{ \
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::ILogOutput::LogToAll(__FILE__, __LINE__, &NAME, ::ELogVerbosity::VERBOSITY, Fmt, ##__VA_ARGS__); \
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if (::ELogVerbosity::VERBOSITY == ::ELogVerbosity::Fatal) \
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{ \
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::DoAssert(__FILE__, __LINE__, Fmt, ##__VA_ARGS__); \
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} \
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} \
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} \
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}
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EG_DECLARE_LOG_CATEGORY(LogDefault, Log, VeryVerbose)
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