ShaderCompilerPrivate.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    ShaderCompilerPrivate.h:
    To be included by ShaderCompiler*.cpp files that share various variables and functions.
=============================================================================*/
 
#pragma once
 
#include "ShaderCompiler.h"
#include "DerivedDataCache.h"
#include "ProfilingDebugging/CookStats.h"
 
#include <atomic>
 
LLM_DECLARE_TAG(ShaderCompiler);
 
class FGlobalShaderMap;
class FGlobalShaderMapId;
 
extern FShaderCompilerStats* GShaderCompilerStats;
extern FShaderCompilingManager* GShaderCompilingManager;
extern const ITargetPlatform* GGlobalShaderTargetPlatform[SP_NumPlatforms];
extern FGlobalShaderMap* GGlobalShaderMap_DeferredDeleteCopy[SP_NumPlatforms];
 
bool AreShaderErrorsFatal();
FString GetGlobalShaderMapKeyString(const FGlobalShaderMapId& ShaderMapId, EShaderPlatform Platform, TArray<FShaderTypeDependency> const& Dependencies);
 
UE::DerivedData::FCacheKey GetGlobalShaderMapKey(const FGlobalShaderMapId& ShaderMapId, EShaderPlatform Platform, const ITargetPlatform* TargetPlatform, TArray<FShaderTypeDependency> const& Dependencies);
UE::FSharedString GetGlobalShaderMapName(const FGlobalShaderMapId& ShaderMapId, EShaderPlatform Platform, const FString& Key);
 
// Configuration to retry shader compile through workers after a worker has been abandoned
static constexpr int32 GSingleThreadedRunsIdle = -1;
 
#if ENABLE_COOK_STATS
namespace GlobalShaderCookStats
{
    extern FCookStats::FDDCResourceUsageStats UsageStats;
    extern int32 ShadersCompiled;
}
#endif
 
namespace ShaderCompilerCookStats
{
    extern std::atomic<double> AsyncCompileTimeSec;
}
 
namespace ShaderCompiler
{
    FString GetTargetPlatformName(const ITargetPlatform* TargetPlatform);
    bool IsJobCacheDebugValidateEnabled();
    bool IsRemoteCompilingAllowed();
    bool IsDumpShaderDebugInfoAlwaysEnabled();
}