105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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MetalShaders.cpp: Metal shader RHI implementation.
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=============================================================================*/
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#include "MetalRHIPrivate.h"
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#include "Shaders/Debugging/MetalShaderDebugCache.h"
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#include "Shaders/MetalCompiledShaderKey.h"
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#include "Shaders/MetalCompiledShaderCache.h"
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#include "Shaders/MetalShaderLibrary.h"
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#include "HAL/FileManager.h"
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#include "HAL/PlatformFileManager.h"
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#include "Misc/Paths.h"
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#include "MetalShaderResources.h"
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#include "MetalResources.h"
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#include "MetalProfiler.h"
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#include "MetalCommandBuffer.h"
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#include "Serialization/MemoryReader.h"
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#include "Misc/FileHelper.h"
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#include "Misc/ScopeRWLock.h"
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#include "Misc/Compression.h"
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#include "Misc/MessageDialog.h"
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#define SHADERCOMPILERCOMMON_API
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# include "Developer/ShaderCompilerCommon/Public/ShaderCompilerCommon.h"
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#undef SHADERCOMPILERCOMMON_API
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NS::String* DecodeMetalSourceCode(uint32 CodeSize, TArray<uint8> const& CompressedSource)
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{
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NS::String* GlslCodeNSString = nullptr;
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if (CodeSize && CompressedSource.Num())
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{
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TArray<ANSICHAR> UncompressedCode;
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UncompressedCode.AddZeroed(CodeSize+1);
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bool bSucceed = FCompression::UncompressMemory(NAME_Zlib, UncompressedCode.GetData(), CodeSize, CompressedSource.GetData(), CompressedSource.Num());
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if (bSucceed)
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{
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GlslCodeNSString = NS::String::string(UncompressedCode.GetData(), NS::UTF8StringEncoding);
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GlslCodeNSString->retain();
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}
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}
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return GlslCodeNSString;
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}
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MTL::LanguageVersion ValidateVersion(uint32 Version)
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{
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MTL::LanguageVersion Result = MTL::LanguageVersion2_4;
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#if PLATFORM_MAC
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Result = MTL::LanguageVersion2_4;
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switch(Version)
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{
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case 8:
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Result = MTL::LanguageVersion3_0;
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break;
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case 7:
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Result = MTL::LanguageVersion2_4;
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break;
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case 6:
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Result = MTL::LanguageVersion2_3;
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break;
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case 5:
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// Fall through
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case 0:
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Version = 7;
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Result = MTL::LanguageVersion2_2; // minimum version as of UE5.1
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break;
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default:
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//EMacMetalShaderStandard::MacMetalSLStandard_Minimum is currently 2.2
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UE_LOG(LogTemp, Warning, TEXT("The Metal version currently set is not supported anymore. Set it in the Project Settings. Defaulting to the minimum version."));
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Version = 5;
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Result = MTL::LanguageVersion2_2;
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break;
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}
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#else
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Result = MTL::LanguageVersion2_4;
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switch(Version)
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{
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case 7:
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Result = MTL::LanguageVersion2_4;
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break;
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case 8:
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Result = MTL::LanguageVersion3_0;
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break;
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case 9:
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Result = MTL::LanguageVersion3_1;
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break;
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case 0:
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Version = 8;
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Result = MTL::LanguageVersion2_4; // minimum version as of UE5.3
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break;
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default:
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//EIOSMetalShaderStandard::IOSMetalSLStandard_Minimum is currently 2.4
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UE_LOG(LogTemp, Warning, TEXT("The Metal version currently set is not supported anymore. Set it in the Project Settings. Defaulting to the minimum version."));
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Version = 7;
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Result = MTL::LanguageVersion2_4;
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break;
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}
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#endif
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return Result;
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}
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