2020-12-10  Kyle Piddington  <kpiddington@apple.com>

        Added a new backend for translating GLSL content to MSL. Added fixes, updates, and workarounds in the open source

        metal backend for ANGLE.

	https://bugs.webkit.org/show_bug.cgi?id=219759

        Reviewed by NOBODY (OOPS!)

	This changelog includes a WebGL1 compliant transpiler for GLSL content. With this change,

        we can leverage the already present open source work in the ANGLE project to enable webgl to run on top of Metal. 

        In addition, this patch contains a number of fixes to the metal backend. 

        Test: Tests were validated with the dEQP test suite with ANGLE, in addition to running standard layout tests.

        * ANGLE.xcodeproj/project.pbxproj:

        * Configurations/ANGLE-dynamic.xcconfig:

        * include/GLSLANG/ShaderLang.h:

        * include/platform/FeaturesMtl.h:

        * src/common/PoolAlloc.cpp:

        (angle::Allocation::checkAllocList const):

        * src/common/PoolAlloc.h:

        (angle::Allocation::checkAlloc const):

        * src/common/apple_platform_utils.h:

        * src/common/debug.h:

        * src/common/system_utils_ios.mm: Added.

        (angle::GetExecutablePath):

        (angle::GetExecutableDirectory):

        (angle::GetSharedLibraryExtension):

        (angle::GetCurrentTime):

        * src/common/utilities.cpp:

        (gl::VariableAttributeCount):

        * src/common/utilities.h:

        * src/compiler/translator/CodeGen.cpp:

        (sh::ConstructCompiler):

        * src/compiler/translator/Common.h:

        * src/compiler/translator/Compiler.cpp:

        (sh::TCompiler::checkAndSimplifyAST):

        * src/compiler/translator/Compiler.h:

        (sh::TShHandleBase::getAsTranslatorMetalDirect):

        * src/compiler/translator/ConstantUnion.cpp:

        (sh::TConstantUnion::TConstantUnion):

        * src/compiler/translator/ConstantUnion.h:

        * src/compiler/translator/IntermNode.cpp:

        (sh::TIntermBlock::TIntermBlock):

        (sh::TIntermDeclaration::TIntermDeclaration):

        (sh::TIntermAggregateBase::replaceChildNodeInternal):

        (sh::TIntermAggregateBase::replaceChildNodeWithMultiple):

        (sh::TIntermAggregateBase::insertChildNodes):

        (sh::TIntermAggregate::shallowCopy const):

        * src/compiler/translator/IntermNode.h:

        * src/compiler/translator/Symbol.cpp:

        (sh::TFunction::buildMangledName const):

        * src/compiler/translator/Symbol.h:

        (sh::TFunction::isDefined const):

        * src/compiler/translator/SymbolTable_ESSL_autogen.cpp:

        * src/compiler/translator/TranslatorMetal.cpp:

        (sh::TranslatorMetal::GetCoverageMaskEnabledConstName):

        (sh::TranslatorMetal::GetRasterizationDiscardEnabledConstName):

        (sh::TranslatorMetal::translate):

        (sh::TranslatorMetal::createAdditionalGraphicsDriverUniformFields):

        (sh::TranslatorMetal::insertRasterizationDiscardLogic):

        (sh::TranslatorMetal::replaceAllMainDiscardUses):

        (sh::TranslatorMetal::createDiscardWrapperFunc):

        * src/compiler/translator/TranslatorMetal.h:

        (sh::TranslatorMetal::enableEmulatedInstanceID):

        * src/compiler/translator/TranslatorMetalDirect.cpp: Added.

        (sh::TranslatorMetalDirect::TranslatorMetalDirect):

        (sh::TranslatorMetalDirect::GetCoverageMaskEnabledConstName):

        (sh::TranslatorMetalDirect::GetRasterizationDiscardEnabledConstName):

        (sh::TranslatorMetalDirect::insertRasterizationDiscardLogic):

        (sh::TranslatorMetalDirect::transformDepthBeforeCorrection):

        (sh::TranslatorMetalDirect::createAdditionalGraphicsDriverUniformFields):

        (sh::TranslatorMetalDirect::getDriverUniformNegFlipYRef const):

        (sh::GetMslKeywords):

        (sh::TranslatorMetalDirect::translateImpl):

        (sh::TranslatorMetalDirect::translate):

        (sh::TranslatorMetalDirect::shouldFlattenPragmaStdglInvariantAll):

        * src/compiler/translator/TranslatorMetalDirect.h: Added.

        (sh::TranslatorMetalReflection::TranslatorMetalReflection):

        (sh::TranslatorMetalReflection::~TranslatorMetalReflection):

        (sh::TranslatorMetalReflection::addOriginalName):

        (sh::TranslatorMetalReflection::addSamplerBinding):

        (sh::TranslatorMetalReflection::addTextureBinding):

        (sh::TranslatorMetalReflection::addUniformBufferBinding):

        (sh::TranslatorMetalReflection::getOriginalName):

        (sh::TranslatorMetalReflection::getSamplerBindings const):

        (sh::TranslatorMetalReflection::getTextureBindings const):

        (sh::TranslatorMetalReflection::getUniformBufferBindings const):

        (sh::TranslatorMetalReflection::getSamplerBinding const):

        (sh::TranslatorMetalReflection::getTextureBinding const):

        (sh::TranslatorMetalReflection::getUniformBufferBinding const):

        (sh::TranslatorMetalReflection::reset):

        (sh::TranslatorMetalDirect::enableEmulatedInstanceID):

        (sh::TranslatorMetalDirect::getTranslatorMetalReflection):

        * src/compiler/translator/TranslatorMetalDirect/AddExplicitTypeCasts.cpp: Added.

        (sh::Rewriter::Rewriter):

        (sh::AddExplicitTypeCasts):

        * src/compiler/translator/TranslatorMetalDirect/AddExplicitTypeCasts.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/AstHelpers.cpp: Added.

        (sh::ViewDeclaration):

        (sh::CreateStructTypeVariable):

        (sh::CreateInstanceVariable):

        (AcquireFunctionExtras):

        (sh::CloneSequenceAndPrepend):

        (sh::AddParametersFrom):

        (sh::CloneFunction):

        (sh::CloneFunctionAndPrependParam):

        (sh::CloneFunctionAndAppendParams):

        (sh::CloneFunctionAndChangeReturnType):

        (sh::GetArg):

        (sh::SetArg):

        (sh::GetFieldIndex):

        (sh::AccessField):

        (sh::AccessFieldByIndex):

        (sh::AccessIndex):

        (sh::SubVector):

        (sh::IsScalarBasicType):

        (sh::IsVectorBasicType):

        (sh::HasScalarBasicType):

        (InitType):

        (sh::CloneType):

        (sh::InnermostType):

        (sh::DropColumns):

        (sh::DropOuterDimension):

        (SetTypeDimsImpl):

        (sh::SetVectorDim):

        (sh::SetMatrixRowDim):

        (sh::HasMatrixField):

        (sh::HasArrayField):

        (sh::CoerceSimple):

        (sh::AsType):

        * src/compiler/translator/TranslatorMetalDirect/AstHelpers.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/ConstantNames.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/Debug.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/DebugSink.h: Added.

        (sh::StringObserver::StringObserver):

        (sh::StringObserver::observe):

        (sh::StringObserver::getNeedle const):

        (sh::StringObserver::reset):

        (sh::DebugSink::EscapedSink::EscapedSink):

        (sh::DebugSink::EscapedSink::~EscapedSink):

        (sh::DebugSink::EscapedSink::get):

        (sh::DebugSink::EscapedSink::operator TInfoSinkBase &):

        (sh::DebugSink::DebugSink):

        (sh::DebugSink::watch):

        (sh::DebugSink::erase):

        (sh::DebugSink::size):

        (sh::DebugSink::str const):

        (sh::DebugSink::c_str const):

        (sh::DebugSink::escape):

        (sh::DebugSink::operator<<):

        (sh::DebugSink::onWrite):

        * src/compiler/translator/TranslatorMetalDirect/DiscoverDependentFunctions.cpp: Added.

        (sh::Discoverer::Discoverer):

        * src/compiler/translator/TranslatorMetalDirect/DiscoverDependentFunctions.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/DiscoverEnclosingFunctionTraverser.cpp: Added.

        (DiscoverEnclosingFunctionTraverser::DiscoverEnclosingFunctionTraverser):

        (DiscoverEnclosingFunctionTraverser::discoverEnclosingFunction):

        * src/compiler/translator/TranslatorMetalDirect/DiscoverEnclosingFunctionTraverser.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/EmitMetal.cpp: Added.

        (GenMetalTraverser::~GenMetalTraverser):

        (GenMetalTraverser::GenMetalTraverser):

        (GenMetalTraverser::emitIndentation):

        (GetOperatorString):

        (GetOperatorPrecedence):

        (GetAssociativity):

        (IsSymbolicOperator):

        (AsSpecificBinaryNode):

        (Parenthesize):

        (GenMetalTraverser::groupedTraverse):

        (GenMetalTraverser::emitPostQualifier):

        (EmitName):

        (GenMetalTraverser::emitNameOf):

        (GenMetalTraverser::emitBareTypeName):

        (GenMetalTraverser::emitType):

        (GenMetalTraverser::emitFieldDeclaration):

        (BuildExternalAttributeIndexMap):

        (GenMetalTraverser::emitAttributeDeclaration):

        (GenMetalTraverser::emitStructDeclaration):

        (GenMetalTraverser::emitOrdinaryVariableDeclaration):

        (GenMetalTraverser::emitVariableDeclaration):

        (GenMetalTraverser::visitSymbol):

        (GenMetalTraverser::emitSingleConstant):

        (GenMetalTraverser::emitConstantUnionArray):

        (GenMetalTraverser::emitConstantUnion):

        (GenMetalTraverser::visitConstantUnion):

        (GenMetalTraverser::visitSwizzle):

        (GenMetalTraverser::getDirectField):

        (GenMetalTraverser::visitBinary):

        (IsPostfix):

        (GenMetalTraverser::visitUnary):

        (GenMetalTraverser::visitTernary):

        (GenMetalTraverser::visitIfElse):

        (GenMetalTraverser::visitSwitch):

        (GenMetalTraverser::visitCase):

        (GenMetalTraverser::emitFunctionSignature):

        (GenMetalTraverser::emitFunctionReturn):

        (GenMetalTraverser::emitFunctionParameter):

        (GenMetalTraverser::visitFunctionPrototype):

        (GenMetalTraverser::visitFunctionDefinition):

        (GenMetalTraverser::BuildFuncToName):

        (GenMetalTraverser::visitAggregate):

        (GenMetalTraverser::emitOpenBrace):

        (GenMetalTraverser::emitCloseBrace):

        (RequiresSemicolonTerminator):

        (NewlinePad):

        (GenMetalTraverser::visitBlock):

        (GenMetalTraverser::visitGlobalQualifierDeclaration):

        (GenMetalTraverser::visitDeclaration):

        (GenMetalTraverser::visitLoop):

        (GenMetalTraverser::visitForLoop):

        (GenMetalTraverser::visitWhileLoop):

        (GenMetalTraverser::visitDoWhileLoop):

        (GenMetalTraverser::visitBranch):

        (sh::EmitMetal):

        * src/compiler/translator/TranslatorMetalDirect/EmitMetal.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/EnvironmentVariable.h: Added.

        (sh::readBoolEnvVar):

        (sh::readStringEnvVar):

        * src/compiler/translator/TranslatorMetalDirect/HoistConstants.cpp: Added.

        (sh::Rewriter::Rewriter):

        (sh::Rewriter::rewrite):

        (sh::HoistConstants):

        * src/compiler/translator/TranslatorMetalDirect/HoistConstants.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/IdGen.cpp: Added.

        (IdGen::IdGen):

        (IdGen::createNewName):

        * src/compiler/translator/TranslatorMetalDirect/IdGen.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/Layout.cpp: Added.

        (RoundUpToMultipleOf):

        (Layout::requireAlignment):

        (Layout::operator== const):

        (Layout::operator+=):

        (Layout::operator*=):

        (Layout::operator+ const):

        (Layout::operator* const):

        (ScalarLayoutOf):

        (sh::Overlay):

        (sh::CanBePacked):

        (sh::SetBlockStorage):

        (CommonGlslStructLayoutOf):

        (CommonGlslLayoutOf):

        (sh::GlslLayoutOf):

        (sh::GlslStructLayoutOf):

        * src/compiler/translator/TranslatorMetalDirect/Layout.h: Added.

        (sh::Layout::Identity):

        (sh::Layout::Invalid):

        (sh::Layout::Both):

        (sh::MetalLayoutOf):

        * src/compiler/translator/TranslatorMetalDirect/MapFunctionsToDefinitions.cpp: Added.

        (Mapper::Mapper):

        (sh::MapFunctionsToDefinitions):

        * src/compiler/translator/TranslatorMetalDirect/MapFunctionsToDefinitions.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/MapSymbols.cpp: Added.

        (sh::Rewriter::Rewriter):

        (sh::MapSymbols):

        * src/compiler/translator/TranslatorMetalDirect/MapSymbols.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/ModifyStruct.cpp: Added.

        (ModifiedStructMachineries::size const):

        (ModifiedStructMachineries::at const):

        (ModifiedStructMachineries::find const):

        (ModifiedStructMachineries::insert):

        (sh::TryCreateModifiedStruct):

        * src/compiler/translator/TranslatorMetalDirect/ModifyStruct.h: Added.

        (sh::ModifyStructConfig::Predicate::False):

        (sh::ModifyStructConfig::Predicate::True):

        (sh::ModifyStructConfig::SaturateVector::DontSaturate):

        (sh::ModifyStructConfig::SaturateVector::FullySaturate):

        (sh::ModifyStructConfig::ModifyStructConfig):

        (sh::ModifiedStructMachinery::getConverter):

        * src/compiler/translator/TranslatorMetalDirect/Name.cpp: Added.

        (GetName):

        (Name::Name):

        (Name::operator== const):

        (Name::operator!= const):

        (Name::operator< const):

        (Name::empty const):

        (Name::beginsWith const):

        (Name::emit const):

        (sh::ExpressionContainsName):

        * src/compiler/translator/TranslatorMetalDirect/Name.h: Added.

        (sh::Name::Name):

        (sh::Name::rawName const):

        (sh::Name::symbolType const):

        * src/compiler/translator/TranslatorMetalDirect/Pipeline.cpp: Added.

        (Pipeline::uses const):

        (Pipeline::getStructTypeName const):

        (Pipeline::getStructInstanceName const):

        (AllowPacking):

        (AllowPadding):

        (CompareBy):

        (SaturateVectorOf):

        (Pipeline::externalStructModifyConfig const):

        (Pipeline::alwaysRequiresLocalVariableDeclarationInMain const):

        (Pipeline::isPipelineOut const):

        (Pipeline::externalAddressSpace const):

        (PipelineStructs::matches const):

        * src/compiler/translator/TranslatorMetalDirect/Pipeline.h: Added.

        (sh::PipelineScoped::matches const):

        (sh::PipelineScoped::isTotallyFull const):

        (sh::PipelineScoped::isTotallyEmpty const):

        (sh::PipelineScoped::isUniform const):

        * src/compiler/translator/TranslatorMetalDirect/ProgramPrelude.cpp: Added.

        (sh::ProgramPrelude::ProgramPrelude):

        (sh::ProgramPrelude::emitGuard):

        (ANGLE_is_vector::PROGRAM_PRELUDE_DECLARE):

        * src/compiler/translator/TranslatorMetalDirect/ProgramPrelude.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/ReduceInterfaceBlocks.cpp: Added.

        (sh::Reducer::Reducer):

        (sh::ReduceInterfaceBlocks):

        * src/compiler/translator/TranslatorMetalDirect/ReduceInterfaceBlocks.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/Reference.h: Added.

        (sh::Ref::Ref):

        (sh::Ref::operator== const):

        (sh::Ref::operator!= const):

        (sh::Ref::operator<= const):

        (sh::Ref::operator>= const):

        (sh::Ref::operator< const):

        (sh::Ref::operator> const):

        (sh::Ref::get):

        (sh::Ref::get const):

        (sh::Ref::operator T &):

        (sh::Ref::operator T const & const):

        (sh::Ref::operator T *):

        (sh::Ref::operator T const * const):

        * src/compiler/translator/TranslatorMetalDirect/RewriteCaseDeclarations.cpp: Added.

        (sh::Rewriter::Rewriter):

        (sh::RewriteCaseDeclarations):

        * src/compiler/translator/TranslatorMetalDirect/RewriteCaseDeclarations.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/RewriteGlobalQualifierDecls.cpp: Added.

        (sh::FindDeclaredGlobals::FindDeclaredGlobals):

        (sh::Rewriter::Rewriter):

        (sh::RewriteGlobalQualifierDecls):

        * src/compiler/translator/TranslatorMetalDirect/RewriteGlobalQualifierDecls.h: Added.

        (sh::Invariants::insert):

        (sh::Invariants::contains const):

        * src/compiler/translator/TranslatorMetalDirect/RewriteKeywords.cpp: Added.

        (sh::Rewriter::maybeCreateNewName):

        (sh::Rewriter::createRenamed):

        (sh::Rewriter::tryGetRenamedImpl):

        (sh::Rewriter::tryGetRenamed):

        (sh::Rewriter::getRenamedOrOriginal):

        (sh::Rewriter::needsRenamingImpl const):

        (sh::Rewriter::needsRenaming const):

        (sh::Rewriter::Rewriter):

        (sh::Rewriter::visitSymbol):

        (sh::Rewriter::visitFunctionPrototype):

        (sh::RewriteKeywords):

        * src/compiler/translator/TranslatorMetalDirect/RewriteKeywords.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/RewriteOutArgs.cpp: Added.

        (sh::SmallMultiSet::find const):

        (sh::SmallMultiSet::multiplicity const):

        (sh::SmallMultiSet::insert):

        (sh::SmallMultiSet::clear):

        (sh::SmallMultiSet::empty const):

        (sh::SmallMultiSet::uniqueSize const):

        (sh::SmallMultiSet::findMutable):

        (sh::GetVariable):

        (sh::Rewriter::Rewriter):

        (sh::RewriteOutArgs):

        * src/compiler/translator/TranslatorMetalDirect/RewriteOutArgs.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/RewritePipelines.cpp: Added.

        (sh::PipelineStructInfo::isEmpty const):

        (sh::GeneratePipelineStruct::Exec):

        (sh::GeneratePipelineStruct::GeneratePipelineStruct):

        (sh::GeneratePipelineStruct::exec):

        (sh::GeneratePipelineStruct::createInternalPipelineStruct):

        (sh::CreatePipelineMainLocalVar):

        (sh::PipelineFunctionEnv::PipelineFunctionEnv):

        (sh::PipelineFunctionEnv::isOriginalPipelineFunction const):

        (sh::PipelineFunctionEnv::isUpdatedPipelineFunction const):

        (sh::PipelineFunctionEnv::getUpdatedFunction):

        (sh::PipelineFunctionEnv::createUpdatedFunctionPrototype):

        (sh::UpdatePipelineFunctions::ThreadPipeline):

        (sh::UpdatePipelineFunctions::UpdatePipelineFunctions):

        (sh::UpdatePipelineFunctions::getInternalPipelineVariable):

        (sh::UpdatePipelineFunctions::getExternalPipelineVariable):

        (sh::UpdatePipelineFunctions::visitNonMain):

        (sh::UpdatePipelineFunctions::visitMain):

        (sh::UpdatePipelineSymbols):

        (sh::RewritePipeline):

        (sh::RewritePipelines):

        * src/compiler/translator/TranslatorMetalDirect/RewritePipelines.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/RewriteUnaddressableReferences.cpp: Added.

        (sh::IsOutParam):

        (sh::IsVectorAccess):

        (sh::IsAssignEqualsSign):

        (sh::IsCompoundAssign):

        (sh::ReturnsReference):

        (sh::DecomposeCompoundAssignment):

        (sh::Rewriter1::Rewriter1):

        (sh::Rewriter2::requiresAddressing const):

        (sh::Rewriter2::Rewriter2):

        (sh::RewriteUnaddressableReferences):

        * src/compiler/translator/TranslatorMetalDirect/RewriteUnaddressableReferences.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/SeparateCompoundExpressions.cpp: Added.

        (sh::IsIndex):

        (sh::ViewBinaryChain):

        (sh::PrePass::PrePass):

        (sh::PrePass::reassociateRight):

        (sh::Separator::Separator):

        (sh::Separator::pushStmt):

        (sh::Separator::isTerminalExpr):

        (sh::Separator::pullMappedExpr):

        (sh::Separator::isStandaloneExpr):

        (sh::Separator::pushBinding):

        (sh::Separator::pushStacks):

        (sh::Separator::popStacks):

        (sh::Separator::pushStmtsIntoBlock):

        (sh::Separator::buildBlockWithTailAssign):

        (sh::SeparateCompoundExpressions):

        * src/compiler/translator/TranslatorMetalDirect/SeparateCompoundExpressions.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/SeparateCompoundStructDeclarations.cpp: Added.

        (sh::Separator::Separator):

        (sh::SeparateCompoundStructDeclarations):

        * src/compiler/translator/TranslatorMetalDirect/SeparateCompoundStructDeclarations.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/SkippingTraverser.h: Added.

        (sh::SkippingTraverser::SkippingTraverser):

        (sh::SkippingTraverser::visitSwizzle):

        (sh::SkippingTraverser::visitUnary):

        (sh::SkippingTraverser::visitBinary):

        (sh::SkippingTraverser::visitTernary):

        (sh::SkippingTraverser::visitIfElse):

        (sh::SkippingTraverser::visitSwitch):

        (sh::SkippingTraverser::visitCase):

        (sh::SkippingTraverser::visitFunctionDefinition):

        (sh::SkippingTraverser::visitAggregate):

        (sh::SkippingTraverser::visitBlock):

        (sh::SkippingTraverser::visitDeclaration):

        (sh::SkippingTraverser::visitLoop):

        (sh::SkippingTraverser::visitBranch):

        (sh::SkippingTraverser::visitGlobalQualifierDeclaration):

        * src/compiler/translator/TranslatorMetalDirect/SymbolEnv.cpp: Added.

        (StructFinder::StructFinder):

        (StructFinder::FindStructs):

        (TemplateArg::TemplateArg):

        (TemplateArg::operator== const):

        (TemplateArg::operator< const):

        (SymbolEnv::TemplateName::operator== const):

        (SymbolEnv::TemplateName::operator< const):

        (SymbolEnv::TemplateName::empty const):

        (SymbolEnv::TemplateName::clear):

        (SymbolEnv::TemplateName::fullName const):

        (SymbolEnv::TemplateName::assign):

        (SymbolEnv::SymbolEnv):

        (SymbolEnv::remap const):

        (SymbolEnv::getFunctionOverloadImpl):

        (SymbolEnv::getFunctionOverload):

        (SymbolEnv::callFunctionOverload):

        (SymbolEnv::newStructure):

        (SymbolEnv::getTextureEnv):

        (SymbolEnv::getSamplerStruct):

        (SymbolEnv::markSpace):

        (SymbolEnv::isSpace const):

        (SymbolEnv::markAsPointer):

        (SymbolEnv::markAsReference):

        (SymbolEnv::isPointer const):

        (SymbolEnv::isReference const):

        (SymbolEnv::markAsPacked):

        (SymbolEnv::isPacked const):

        (GetTextureBasicType):

        (sh::GetTextureTypeName):

        * src/compiler/translator/TranslatorMetalDirect/SymbolEnv.h: Added.

        (sh::VarField::VarField):

        (sh::VarField::variable const):

        (sh::VarField::field const):

        (sh::VarField::operator== const):

        (std::hash<sh::VarField>::operator() const):

        (sh::TemplateArg::kind const):

        (sh::TemplateArg::value const):

        (sh::SymbolEnv::symbolTable):

        * src/compiler/translator/TranslatorMetalDirect/ToposortStructs.cpp: Added.

        (sh::BuildGraphImpl):

        (sh::Toposort):

        (sh::CreateStructEqualityFunction):

        (sh::GetAsDeclaredStructure):

        (sh::FindStructEqualityUse::FindStructEqualityUse):

        (sh::FindStructEqualityUse::useStruct):

        (sh::ToposortStructs):

        * src/compiler/translator/TranslatorMetalDirect/ToposortStructs.h: Added.

        * src/compiler/translator/TranslatorMetalDirect/WrapMain.cpp: Added.

        (sh::Wrapper::Wrapper):

        (sh::Wrapper::visitMain):

        (sh::WrapMain):

        * src/compiler/translator/TranslatorMetalDirect/WrapMain.h: Added.

        * src/compiler/translator/TranslatorMetalUtils.cpp: Added.

        (sh::getBasicMetalString):

        (sh::getBuiltInMetalTypeNameString):

        (sh::GetMetalTypeName):

        * src/compiler/translator/TranslatorMetalUtils.h: Added.

        * src/compiler/translator/TranslatorVulkan.cpp:

        * src/compiler/translator/Types.h:

        (sh::TType::isRank0 const):

        * src/compiler/translator/ValidateAST.cpp:

        * src/compiler/translator/tree_ops/DeferGlobalInitializers.cpp:

        * src/compiler/translator/tree_ops/PruneEmptyCases.cpp:

        * src/compiler/translator/tree_ops/RemoveSwitchFallThrough.cpp:

        * src/compiler/translator/tree_ops/SimplifyLoopConditions.cpp:

        (sh::SimplifyLoopConditions):

        * src/compiler/translator/tree_ops/SimplifyLoopConditions.h:

        * src/compiler/translator/tree_util/AsNode.h: Added.

        (sh::priv::AsNode<TIntermNode>::exec):

        (sh::priv::AsNode<TIntermTyped>::exec):

        (sh::priv::AsNode<TIntermSymbol>::exec):

        (sh::priv::AsNode<TIntermConstantUnion>::exec):

        (sh::priv::AsNode<TIntermFunctionPrototype>::exec):

        (sh::priv::AsNode<TIntermPreprocessorDirective>::exec):

        (sh::priv::AsNode<TIntermSwizzle>::exec):

        (sh::priv::AsNode<TIntermBinary>::exec):

        (sh::priv::AsNode<TIntermUnary>::exec):

        (sh::priv::AsNode<TIntermTernary>::exec):

        (sh::priv::AsNode<TIntermIfElse>::exec):

        (sh::priv::AsNode<TIntermSwitch>::exec):

        (sh::priv::AsNode<TIntermCase>::exec):

        (sh::priv::AsNode<TIntermFunctionDefinition>::exec):

        (sh::priv::AsNode<TIntermAggregate>::exec):

        (sh::priv::AsNode<TIntermBlock>::exec):

        (sh::priv::AsNode<TIntermGlobalQualifierDeclaration>::exec):

        (sh::priv::AsNode<TIntermDeclaration>::exec):

        (sh::priv::AsNode<TIntermLoop>::exec):

        (sh::priv::AsNode<TIntermBranch>::exec):

        (sh::asNode):

        * src/compiler/translator/tree_util/IntermNodePatternMatcher.cpp:

        (sh::IntermNodePatternMatcher::matchInternal const):

        (sh::IntermNodePatternMatcher::match const):

        * src/compiler/translator/tree_util/IntermNodePatternMatcher.h:

        * src/compiler/translator/tree_util/IntermNode_util.cpp:

        * src/compiler/translator/tree_util/IntermNode_util.h:

        * src/compiler/translator/tree_util/IntermRebuild.cpp: Added.

        (sh::AllBits):

        (sh::AnyBits):

        (sh::TIntermRebuild::BaseResult::BaseResult):

        (sh::TIntermRebuild::BaseResult::moveAssignImpl):

        (sh::TIntermRebuild::BaseResult::Multi):

        (sh::TIntermRebuild::BaseResult::isFail const):

        (sh::TIntermRebuild::BaseResult::isDrop const):

        (sh::TIntermRebuild::BaseResult::single const):

        (sh:: const):

        (sh::PreResult::PreResult):

        (sh::PreResult::operator=):

        (sh::PostResult::PostResult):

        (sh::PostResult::operator=):

        (sh::TIntermRebuild::TIntermRebuild):

        (sh::TIntermRebuild::~TIntermRebuild):

        (sh::TIntermRebuild::getParentFunction const):

        (sh::TIntermRebuild::getParentNode const):

        (sh::TIntermRebuild::rebuildRoot):

        (sh::TIntermRebuild::rebuildInPlace):

        (sh::TIntermRebuild::rebuildInPlaceImpl):

        (sh::TIntermRebuild::rebuild):

        (sh::TIntermRebuild::traverseAnyAs):

        (sh::TIntermRebuild::traverseAggregateBaseChildren):

        (sh::TIntermRebuild::NodeStackGuard::NodeStackGuard):

        (sh::TIntermRebuild::NodeStackGuard::~NodeStackGuard):

        (sh::TIntermRebuild::traverseAny):

        (sh::TIntermRebuild::traversePre):

        (sh::TIntermRebuild::traverseChildren):

        (sh::TIntermRebuild::traversePost):

        (sh::TIntermRebuild::traverseAggregateChildren):

        (sh::TIntermRebuild::traverseBlockChildren):

        (sh::TIntermRebuild::traverseDeclarationChildren):

        (sh::TIntermRebuild::traverseSwizzleChildren):

        (sh::TIntermRebuild::traverseBinaryChildren):

        (sh::TIntermRebuild::traverseUnaryChildren):

        (sh::TIntermRebuild::traverseTernaryChildren):

        (sh::TIntermRebuild::traverseIfElseChildren):

        (sh::TIntermRebuild::traverseSwitchChildren):

        (sh::TIntermRebuild::traverseCaseChildren):

        (sh::TIntermRebuild::traverseFunctionDefinitionChildren):

        (sh::TIntermRebuild::traverseGlobalQualifierDeclarationChildren):

        (sh::TIntermRebuild::traverseLoopChildren):

        (sh::TIntermRebuild::traverseBranchChildren):

        (sh::TIntermRebuild::visitSymbolPre):

        (sh::TIntermRebuild::visitConstantUnionPre):

        (sh::TIntermRebuild::visitFunctionPrototypePre):

        (sh::TIntermRebuild::visitPreprocessorDirectivePre):

        (sh::TIntermRebuild::visitUnaryPre):

        (sh::TIntermRebuild::visitBinaryPre):

        (sh::TIntermRebuild::visitTernaryPre):

        (sh::TIntermRebuild::visitSwizzlePre):

        (sh::TIntermRebuild::visitIfElsePre):

        (sh::TIntermRebuild::visitSwitchPre):

        (sh::TIntermRebuild::visitCasePre):

        (sh::TIntermRebuild::visitLoopPre):

        (sh::TIntermRebuild::visitBranchPre):

        (sh::TIntermRebuild::visitDeclarationPre):

        (sh::TIntermRebuild::visitBlockPre):

        (sh::TIntermRebuild::visitAggregatePre):

        (sh::TIntermRebuild::visitFunctionDefinitionPre):

        (sh::TIntermRebuild::visitGlobalQualifierDeclarationPre):

        (sh::TIntermRebuild::visitSymbolPost):

        (sh::TIntermRebuild::visitConstantUnionPost):

        (sh::TIntermRebuild::visitFunctionPrototypePost):

        (sh::TIntermRebuild::visitPreprocessorDirectivePost):

        (sh::TIntermRebuild::visitUnaryPost):

        (sh::TIntermRebuild::visitBinaryPost):

        (sh::TIntermRebuild::visitTernaryPost):

        (sh::TIntermRebuild::visitSwizzlePost):

        (sh::TIntermRebuild::visitIfElsePost):

        (sh::TIntermRebuild::visitSwitchPost):

        (sh::TIntermRebuild::visitCasePost):

        (sh::TIntermRebuild::visitLoopPost):

        (sh::TIntermRebuild::visitBranchPost):

        (sh::TIntermRebuild::visitDeclarationPost):

        (sh::TIntermRebuild::visitBlockPost):

        (sh::TIntermRebuild::visitAggregatePost):

        (sh::TIntermRebuild::visitFunctionDefinitionPost):

        (sh::TIntermRebuild::visitGlobalQualifierDeclarationPost):

        * src/compiler/translator/tree_util/IntermRebuild.h: Added.

        (sh::TIntermRebuild::BaseResult::Multi):

        (sh::TIntermRebuild::PreResult::Multi):

        (sh::TIntermRebuild::PostResult::Multi):

        * src/compiler/translator/tree_util/NodeType.h: Added.

        (sh::GetNodeType::GetNodeType):

        (sh::GetNodeType::operator()):

        * src/compiler/translator/util.cpp:

        (sh::IsOutputMetalDirect):

        * src/compiler/translator/util.h:

        * src/gpu_info_util/SystemInfo_apple.mm:

        (angle::GetSystemInfo):

        * src/gpu_info_util/SystemInfo_ios.cpp:

        (angle::GetSystemInfo_ios):

        * src/gpu_info_util/SystemInfo_macos.mm:

        (angle::GetSystemInfo_mac):

        * src/libANGLE/Caps.cpp:

        (gl::GetFormatSupportBase):

        (gl::DetermineASTCLDRTextureSupport):

        (gl::DetermineDepthTextureANGLESupport):

        (gl::DetermineDepthTextureOESSupport):

        * src/libANGLE/Display.cpp:

        (egl::Display::makeCurrent):

        * src/libANGLE/Display.h:

        * src/libANGLE/Program.h:

        * src/libANGLE/ProgramExecutable.h:

        * src/libANGLE/renderer/driver_utils.cpp:

        (rx::GetiOSVersion):

        * src/libANGLE/renderer/driver_utils.h:

        (rx::IsMac):

        * src/libANGLE/renderer/driver_utils_ios.mm: Copied from Source/ThirdParty/ANGLE/src/libANGLE/renderer/driver_utils_mac.mm.

        (rx::GetiOSVersion):

        * src/libANGLE/renderer/driver_utils_mac.mm:

        * src/libANGLE/renderer/gl/SoftLinking_apple.h: Added.

        * src/libANGLE/renderer/gl/cgl/CGLFunctions.cpp: Added.

        * src/libANGLE/renderer/gl/cgl/CGLFunctions.h: Added.

        * src/libANGLE/renderer/gl/cgl/DisplayCGL.mm:

        (rx::DisplayCGL::initialize):

        (rx::DisplayCGL::isValidNativeWindow const):

        * src/libANGLE/renderer/gl/eagl/DisplayEAGL.mm:

        (rx::DisplayEAGL::initialize):

        (rx::DisplayEAGL::terminate):

        (rx::DisplayEAGL::isValidNativeWindow const):

        (rx::DisplayEAGL::generateExtensions const):

        * src/libANGLE/renderer/gl/eagl/EAGLFunctions.h: Added.

        * src/libANGLE/renderer/gl/eagl/EAGLFunctions.mm: Added.

        * src/libANGLE/renderer/gl/eagl/IOSurfaceSurfaceEAGL.mm:

        (rx::IOSurfaceSurfaceEAGL::IOSurfaceSurfaceEAGL):

        (rx::IOSurfaceSurfaceEAGL::bindTexImage):

        (rx::IOSurfaceSurfaceEAGL::releaseTexImage):

        * src/libANGLE/renderer/glslang_wrapper_utils.cpp:

        * src/libANGLE/renderer/glslang_wrapper_utils.h:

        * src/libANGLE/renderer/load_functions_data.json:

        * src/libANGLE/renderer/load_functions_table_autogen.cpp:

        (angle::GetLoadFunctionsMap):

        * src/libANGLE/renderer/metal/BUILD.gn:

        * src/libANGLE/renderer/metal/BufferMtl.h:

        (rx::BufferMtl::getClientShadowCopyData):

        * src/libANGLE/renderer/metal/BufferMtl.mm:

        (rx::BufferMtl::setData):

        (rx::BufferMtl::mapRange):

        (rx::BufferMtl::setDataImpl):

        * src/libANGLE/renderer/metal/CompilerMtl.mm:

        (rx::CompilerMtl::getTranslatorOutputType const):

        * src/libANGLE/renderer/metal/ContextMtl.h:

        (rx::ContextMtl::getProgram const):

        * src/libANGLE/renderer/metal/ContextMtl.mm:

        (rx::ContextMtl::ContextMtl):

        (rx::ContextMtl::initialize):

        (rx::ContextMtl::ensureIncompleteTexturesCreated):

        (rx::ContextMtl::drawTriFanArraysWithBaseVertex):

        (rx::ContextMtl::drawTriFanArraysLegacy):

        (rx::ContextMtl::drawLineLoopArrays):

        (rx::ContextMtl::drawArraysImpl):

        (rx::ContextMtl::drawTriFanElements):

        (rx::ContextMtl::drawLineLoopElements):

        (rx::ContextMtl::drawElementsSimpleTypesPrimitiveRestart):

        (rx::ContextMtl::drawElementsImpl):

        (rx::ContextMtl::drawElementsBaseVertex):

        (rx::ContextMtl::drawElementsInstancedBaseVertex):

        (rx::ContextMtl::drawElementsInstancedBaseVertexBaseInstance):

        (rx::ContextMtl::drawRangeElementsBaseVertex):

        (rx::ContextMtl::execDrawInstanced):

        (rx::ContextMtl::execDrawIndexedInstanced):

        (rx::ContextMtl::insertEventMarker):

        (rx::ContextMtl::pushGroupMarker):

        (rx::ContextMtl::invalidateCurrentTransformFeedbackBuffers):

        (rx::ContextMtl::onTransformFeedbackStateChanged):

        (rx::ContextMtl::onBeginTransformFeedback):

        (rx::ContextMtl::populateTransformFeedbackBufferSet):

        (rx::ContextMtl::onEndTransformFeedback):

        (rx::ContextMtl::onPauseTransformFeedback):

        (rx::ContextMtl::getNativeFormatCaps const):

        (rx::ContextMtl::endRenderEncoding):

        (rx::ContextMtl::flushCommandBufer):

        (rx::ContextMtl::getRenderPassCommandEncoder):

        (rx::ContextMtl::getTextureRenderCommandEncoder):

        (rx::ContextMtl::ensureCommandBufferReady):

        (rx::ContextMtl::onBackbufferResized):

        (rx::ContextMtl::onOcclusionQueryBegan):

        (rx::ContextMtl::onOcclusionQueryEnded):

        (rx::ContextMtl::onOcclusionQueryDestroyed):

        (rx::ContextMtl::setupDraw):

        (rx::ContextMtl::handleDirtyActiveTextures):

        (rx::ContextMtl::handleDirtyDefaultAttribs):

        (rx::ContextMtl::handleDirtyDriverUniforms):

        (rx::ContextMtl::handleDirtyGraphicsTransformFeedbackBuffersEmulation):

        (rx::ContextMtl::handleDirtyDepthStencilState):

        (rx::ContextMtl::checkIfPipelineChanged):

        * src/libANGLE/renderer/metal/DisplayMtl.h:

        * src/libANGLE/renderer/metal/DisplayMtl.mm:

        (rx::GetDepthSize):

        (rx::GetStencilSize):

        (rx::DisplayMtl::DisplayMtl):

        (rx::DisplayMtl::initializeImpl):

        (rx::DisplayMtl::terminate):

        (rx::DisplayMtl::validateClientBuffer const):

        (rx::DisplayMtl::createPbufferSurface):

        (rx::DisplayMtl::createPbufferFromClientBuffer):

        (rx::DisplayMtl::getMaxSupportedESVersion const):

        (rx::DisplayMtl::createShareGroup):

        (rx::DisplayMtl::generateConfigs):

        (rx::DisplayMtl::ensureCapsInitialized const):

        (rx::DisplayMtl::initializeExtensions const):

        (rx::DisplayMtl::initializeTextureCaps const):

        (rx::DisplayMtl::initializeLimitations):

        (rx::DisplayMtl::initializeFeatures):

        (rx::DisplayMtl::initializeShaderLibrary):

        * src/libANGLE/renderer/metal/FrameBufferMtl.h:

        (rx::FramebufferMtl::getAttachedBackbuffer const):

        * src/libANGLE/renderer/metal/FrameBufferMtl.mm:

        (rx::FramebufferMtl::FramebufferMtl):

        (rx::FramebufferMtl::reset):

        (rx::FramebufferMtl::clearBufferfv):

        (rx::FramebufferMtl::clearBufferuiv):

        (rx::FramebufferMtl::clearBufferiv):

        (rx::FramebufferMtl::clearBufferfi):

        (rx::FramebufferMtl::getImplementationColorReadFormat const):

        (rx::FramebufferMtl::syncState):

        (rx::FramebufferMtl::onFrameEnd):

        (rx::FramebufferMtl::getReadableViewForRenderTarget):

        (rx::FramebufferMtl::prepareRenderPass):

        (rx::FramebufferMtl::overrideClearColor):

        (rx::FramebufferMtl::clearWithLoadOpRenderPassNotStarted):

        (rx::FramebufferMtl::clearWithLoadOpRenderPassStarted):

        (rx::FramebufferMtl::getCorrectFlippedReadArea const):

        (rx::FramebufferMtl::readPixelsImpl const):

        (rx::FramebufferMtl::readPixelsToPBO const):

        (rx::FramebufferMtl::readPixelsToBuffer const):

        * src/libANGLE/renderer/metal/IOSurfaceSurfaceMtl.h: Added.

        * src/libANGLE/renderer/metal/IOSurfaceSurfaceMtl.mm: Added.

        (rx::IOSurfaceSurfaceMtl::IOSurfaceSurfaceMtl):

        (rx::IOSurfaceSurfaceMtl::~IOSurfaceSurfaceMtl):

        (rx::IOSurfaceSurfaceMtl::destroy):

        (rx::IOSurfaceSurfaceMtl::initialize):

        (rx::IOSurfaceSurfaceMtl::createDefaultFramebuffer):

        (rx::IOSurfaceSurfaceMtl::makeCurrent):

        (rx::IOSurfaceSurfaceMtl::unMakeCurrent):

        (rx::IOSurfaceSurfaceMtl::swap):

        (rx::IOSurfaceSurfaceMtl::postSubBuffer):

        (rx::IOSurfaceSurfaceMtl::querySurfacePointerANGLE):

        (rx::IOSurfaceSurfaceMtl::bindTexImage):

        (rx::IOSurfaceSurfaceMtl::releaseTexImage):

        (rx::IOSurfaceSurfaceMtl::getSyncValues):

        (rx::IOSurfaceSurfaceMtl::getMscRate):

        (rx::IOSurfaceSurfaceMtl::setSwapInterval):

        (rx::IOSurfaceSurfaceMtl::setFixedWidth):

        (rx::IOSurfaceSurfaceMtl::setFixedHeight):

        (rx::IOSurfaceSurfaceMtl::getWidth const):

        (rx::IOSurfaceSurfaceMtl::getHeight const):

        (rx::IOSurfaceSurfaceMtl::isPostSubBufferSupported const):

        (rx::IOSurfaceSurfaceMtl::getSwapBehavior const):

        (rx::IOSurfaceSurfaceMtl::getAttachmentRenderTarget):

        (rx::IOSurfaceSurfaceMtl::ensureCurrentDrawableObtained):

        (rx::IOSurfaceSurfaceMtl::createBackingTexture):

        (rx::IOSurfaceSurfaceMtl::ensureTextureCreated):

        (rx::IOSurfaceSurfaceMtl::getTexture):

        (rx::IOSurfaceSurfaceMtl::createTexture):

        * src/libANGLE/renderer/metal/ProgramMtl.h:

        (rx::ProgramMtl::getXfbMslSource const):

        * src/libANGLE/renderer/metal/ProgramMtl.mm:

        (rx::ProgramMtl::ProgramMtl):

        (rx::ProgramMtl::~ProgramMtl):

        (rx::ProgramMtl::reset):

        (rx::ProgramMtl::saveTranslatedShaders):

        (rx::ProgramMtl::loadTranslatedShaders):

        (rx::ProgramMtl::load):

        (rx::ProgramMtl::save):

        (rx::ProgramMtl::link):

        (rx::ProgramMtl::linkImplSpirv):

        (rx::ProgramMtl::linkImplDirect):

        (rx::ProgramMtl::linkImpl):

        (rx::ProgramMtl::linkTranslatedShaders):

        (rx::ProgramMtl::initDefaultUniformBlocks):

        (rx::ProgramMtl::resizeDefaultUniformBlocksMemory):

        (rx::ProgramMtl::getSpecializedShader):

        (rx::ProgramMtl::saveDefaultUniformBlocksInfo):

        (rx::ProgramMtl::loadDefaultUniformBlocksInfo):

        (rx::ProgramMtl::saveShaderInternalInfo):

        (rx::ProgramMtl::loadShaderInternalInfo):

        (rx::ProgramMtl::setupDraw):

        (rx::ProgramMtl::updateTextures):

        (rx::ProgramMtl::updateUniformBuffers):

        (rx::ProgramMtl::bindUniformBuffersToDiscreteSlots):

        (rx::ProgramMtl::encodeUniformBuffersInfoArgumentBuffer):

        * src/libANGLE/renderer/metal/QueryMtl.h:

        * src/libANGLE/renderer/metal/QueryMtl.mm:

        (rx::QueryMtl::QueryMtl):

        (rx::QueryMtl::onDestroy):

        (rx::QueryMtl::begin):

        (rx::QueryMtl::end):

        (rx::QueryMtl::waitAndGetResult):

        (rx::QueryMtl::isResultAvailable):

        (rx::QueryMtl::onTransformFeedbackEnd):

        * src/libANGLE/renderer/metal/RenderBufferMtl.h:

        * src/libANGLE/renderer/metal/RenderBufferMtl.mm:

        (rx::RenderbufferMtl::releaseTexture):

        (rx::RenderbufferMtl::setStorageImpl):

        (rx::RenderbufferMtl::getAttachmentRenderTarget):

        * src/libANGLE/renderer/metal/RenderTargetMtl.h:

        * src/libANGLE/renderer/metal/RenderTargetMtl.mm:

        (rx::RenderTargetMtl::RenderTargetMtl):

        (rx::RenderTargetMtl::setWithImplicitMSTexture):

        (rx::RenderTargetMtl::setTexture):

        (rx::RenderTargetMtl::setImplicitMSTexture):

        (rx::RenderTargetMtl::reset):

        (rx::RenderTargetMtl::getRenderSamples const):

        (rx::RenderTargetMtl::toRenderPassAttachmentDesc const):

        * src/libANGLE/renderer/metal/ShaderMtl.h:

        (rx::ShaderMtl::getTranslatorMetalReflection):

        * src/libANGLE/renderer/metal/ShaderMtl.mm:

        (rx::TranslateTask::TranslateTask):

        (rx::TranslateTask::getResult):

        (rx::TranslateTask::getHandle):

        (rx::ShaderMtl::compileImplMtl):

        (rx::ShaderMtl::compile):

        * src/libANGLE/renderer/metal/SurfaceMtl.h:

        (rx::SurfaceMtlProtocol::SurfaceMtlProtocol):

        * src/libANGLE/renderer/metal/SurfaceMtl.mm:

        (rx::SurfaceMtl::SurfaceMtl):

        (rx::WindowSurfaceMtl::ensureCurrentDrawableObtained):

        * src/libANGLE/renderer/metal/SyncMtl.h:

        * src/libANGLE/renderer/metal/SyncMtl.mm:

        (rx::mtl::Sync::clientWait):

        (rx::FenceNVMtl::onDestroy):

        (rx::EGLSyncMtl::dupNativeFenceFD const):

        * src/libANGLE/renderer/metal/TextureMtl.h:

        * src/libANGLE/renderer/metal/TextureMtl.mm:

        (rx::TextureMtl::ensureTextureCreated):

        (rx::TextureMtl::bindTexImage):

        (rx::TextureMtl::releaseTexImage):

        (rx::TextureMtl::getAttachmentRenderTarget):

        * src/libANGLE/renderer/metal/TransformFeedbackMtl.h:

        (rx::TransformFeedbackMtl:: const):

        * src/libANGLE/renderer/metal/TransformFeedbackMtl.mm:

        (rx::TransformFeedbackMtl::TransformFeedbackMtl):

        (rx::TransformFeedbackMtl::begin):

        (rx::TransformFeedbackMtl::end):

        (rx::TransformFeedbackMtl::pause):

        (rx::TransformFeedbackMtl::resume):

        (rx::TransformFeedbackMtl::bindIndexedBuffer):

        (rx::TransformFeedbackMtl::getBufferOffsets const):

        * src/libANGLE/renderer/metal/VertexArrayMtl.h:

        * src/libANGLE/renderer/metal/VertexArrayMtl.mm:

        (rx::VertexArrayMtl::reset):

        (rx::VertexArrayMtl::setupDraw):

        (rx::VertexArrayMtl::emulateInstanceDrawStep):

        (rx::VertexArrayMtl::updateClientAttribs):

        (rx::VertexArrayMtl::syncDirtyAttrib):

        (rx::VertexArrayMtl::getIndexBuffer):

        (rx::VertexArrayMtl::convertIndexBuffer):

        (rx::VertexArrayMtl::streamIndexBufferFromClient):

        (rx::VertexArrayMtl::convertVertexBuffer):

        * src/libANGLE/renderer/metal/doc/APPLE_clip_distance.md:

        * src/libANGLE/renderer/metal/gen_mtl_format_table.py:

        * src/libANGLE/renderer/metal/mtl_buffer_pool.h:

        * src/libANGLE/renderer/metal/mtl_buffer_pool.mm:

        (rx::mtl::BufferPool::commit):

        * src/libANGLE/renderer/metal/mtl_command_buffer.h:

        (rx::mtl::IntermediateCommandStream::push):

        (rx::mtl::IntermediateCommandStream::peek):

        (rx::mtl::IntermediateCommandStream::fetch):

        * src/libANGLE/renderer/metal/mtl_command_buffer.mm:

        (rx::mtl::CommandBuffer::valid const):

        (rx::mtl::CommandBuffer::setWriteDependency):

        (rx::mtl::CommandBuffer::setReadDependency):

        (rx::mtl::CommandBuffer::insertDebugSign):

        (rx::mtl::CommandBuffer::pushDebugGroup):

        (rx::mtl::CommandBuffer::popDebugGroup):

        (rx::mtl::CommandBuffer::queueEventSignal):

        (rx::mtl::CommandBuffer::serverWaitEvent):

        (rx::mtl::CommandBuffer::setActiveCommandEncoder):

        (rx::mtl::CommandBuffer::validImpl const):

        (rx::mtl::CommandBuffer::commitImpl):

        (rx::mtl::CommandEncoder::insertDebugSign):

        (rx::mtl::CommandEncoder::insertDebugSignImpl):

        (rx::mtl::RenderCommandEncoderStates::reset):

        (rx::mtl::RenderCommandEncoder::finalizeLoadStoreAction):

        (rx::mtl::RenderCommandEncoder::endEncoding):

        (rx::mtl::RenderCommandEncoder::endEncodingImpl):

        (rx::mtl::RenderCommandEncoder::initWriteDependency):

        (rx::mtl::RenderCommandEncoder::simulateDiscardFramebuffer):

        (rx::mtl::RenderCommandEncoder::encodeMetalEncoder):

        (rx::mtl::RenderCommandEncoder::restart):

        (rx::mtl::RenderCommandEncoder::setScissorRect):

        (rx::mtl::RenderCommandEncoder::commonSetBuffer):

        (rx::mtl::RenderCommandEncoder::draw):

        (rx::mtl::RenderCommandEncoder::drawInstanced):

        (rx::mtl::RenderCommandEncoder::drawIndexed):

        (rx::mtl::RenderCommandEncoder::drawIndexedInstanced):

        (rx::mtl::RenderCommandEncoder::drawIndexedInstancedBaseVertex):

        (rx::mtl::RenderCommandEncoder::insertDebugSignImpl):

        (rx::mtl::BlitCommandEncoder::restart):

        (rx::mtl::BlitCommandEncoder::copyTexture):

        (rx::mtl::BlitCommandEncoder::synchronizeResource):

        (rx::mtl::ComputeCommandEncoder::restart):

        * src/libANGLE/renderer/metal/mtl_common.h:

        (rx::mtl::GetImpl):

        (rx::mtl::ClearColorValue::ClearColorValue):

        (rx::mtl::ClearColorValue::getType const):

        (rx::mtl::ClearColorValue::getValueBytes const):

        * src/libANGLE/renderer/metal/mtl_constants.h: Added.

        * src/libANGLE/renderer/metal/mtl_format_map.json:

        * src/libANGLE/renderer/metal/mtl_format_table_autogen.mm:

        (rx::mtl::Format::init):

        * src/libANGLE/renderer/metal/mtl_format_utils.h:

        * src/libANGLE/renderer/metal/mtl_format_utils.mm:

        (rx::mtl::Format::needConversion const):

        (rx::mtl::FormatTable::initialize):

        (rx::mtl::FormatTable::setFormatCaps):

        (rx::mtl::FormatTable::adjustFormatCapsForDevice):

        (rx::mtl::FormatTable::initNativeFormatCaps):

        * src/libANGLE/renderer/metal/mtl_glslang_mtl_utils.h: Added.

        * src/libANGLE/renderer/metal/mtl_glslang_mtl_utils.mm: Added.

        (rx::mtl::TranslatedShaderInfo::reset):

        (rx::mtl::MappedSamplerNameNeedsUserDefinedPrefix):

        (rx::mtl::MSLGetMappedSamplerName):

        (rx::mtl::MSLGetShaderSource):

        (rx::mtl::GetAssignedSamplerBindings):

        (rx::mtl::getReflectionFromShader):

        (rx::mtl::getReflectionFromCompiler):

        (rx::mtl::GlslangGetMSL):

        (rx::mtl::MslGetShaderShadowCompareMode):

        * src/libANGLE/renderer/metal/mtl_glslang_utils.h:

        * src/libANGLE/renderer/metal/mtl_glslang_utils.mm:

        (rx::mtl::GlslangGetShaderSource):

        (rx::mtl::SpirvCodeToMsl):

        * src/libANGLE/renderer/metal/mtl_occlusion_query_pool.h:

        * src/libANGLE/renderer/metal/mtl_occlusion_query_pool.mm:

        (rx::mtl::OcclusionQueryPool::allocateQueryOffset):

        (rx::mtl::OcclusionQueryPool::resolveVisibilityResults):

        * src/libANGLE/renderer/metal/mtl_render_utils.h:

        * src/libANGLE/renderer/metal/mtl_render_utils.mm:

        (rx::mtl::StencilBlitViaBufferParams::StencilBlitViaBufferParams):

        (rx::mtl::RenderUtils::generateTriFanBufferFromElementsArray):

        (rx::mtl::RenderUtils::generatePrimitiveRestartPointsBuffer):

        (rx::mtl::RenderUtils::generatePrimitiveRestartLinesBuffer):

        (rx::mtl::RenderUtils::generatePrimitiveRestartTrianglesBuffer):

        (rx::mtl::RenderUtils::createTransformFeedbackPSO):

        (rx::mtl::ClearUtils::clearWithDraw):

        (rx::mtl::ColorBlitUtils::blitColorWithDraw):

        (rx::mtl::DepthStencilBlitUtils::blitDepthStencilWithDraw):

        (rx::mtl::IndexGeneratorUtils::generateTriFanBufferFromElementsArray):

        (rx::mtl::IndexGeneratorUtils::generateTriFanBufferFromElementsArrayCPU):

        (rx::mtl::IndexGeneratorUtils::generatePrimitiveRestartBuffer):

        (rx::mtl::IndexGeneratorUtils::generatePrimitiveRestartTrianglesBuffer):

        (rx::mtl::IndexGeneratorUtils::generatePrimitiveRestartLinesBuffer):

        (rx::mtl::IndexGeneratorUtils::generatePrimitiveRestartPointsBuffer):

        (rx::mtl::MipmapUtils::onDestroy):

        (rx::mtl::MipmapUtils::ensure2DMipGeneratorPipelineInitialized):

        (rx::mtl::MipmapUtils::ensure2DArrayMipGeneratorPipelineInitialized):

        (rx::mtl::MipmapUtils::ensureCubeMipGeneratorPipelineInitialized):

        (rx::mtl::MipmapUtils::generateMipmapCS):

        (rx::mtl::CopyPixelsUtils::getPixelsCopyPipeline):

        (rx::mtl::VertexFormatConversionUtils::getComponentsExpandRenderPipeline):

        (rx::mtl::VertexFormatConversionUtils::getFloatConverstionComputePipeline):

        (rx::mtl::TransformFeedbackUtils::createMslXfbLibrary):

        (rx::mtl::TransformFeedbackUtils::getTransformFeedbackRenderPipeline):

        * src/libANGLE/renderer/metal/mtl_resources.h:

        * src/libANGLE/renderer/metal/mtl_resources.mm:

        (rx::mtl::Texture::MakeMemoryLess2DTexture):

        (rx::mtl::Texture::MakeIOSurfaceTexture):

        (rx::mtl::Texture::MakeTexture):

        (rx::mtl::Texture::Texture):

        (rx::mtl::Texture::syncContent):

        (rx::mtl::Texture::syncContentIfNeeded):

        (rx::mtl::Texture::isShaderReadable const):

        (rx::mtl::Texture::createViewWithCompatibleFormat):

        (rx::mtl::Texture::getReadableCopy):

        (rx::mtl::Texture::releaseReadableCopy):

        (rx::mtl::Buffer::syncContent):

        (rx::mtl::Buffer::mapWithOpt):

        * src/libANGLE/renderer/metal/mtl_state_cache.h:

        (rx::mtl::RenderPassAttachmentTextureTargetDesc::getTextureRef const):

        (rx::mtl::RenderPassAttachmentTextureTargetDesc::getImplicitMSTextureRef const):

        (rx::mtl::RenderPassAttachmentTextureTargetDesc::hasImplicitMSTexture const):

        (rx::mtl::RenderPassAttachmentTextureTargetDesc::getRenderSamples const):

        (rx::mtl::RenderPassAttachmentDesc::texture const):

        (rx::mtl::RenderPassAttachmentDesc::implicitMSTexture const):

        (rx::mtl::RenderPassAttachmentDesc::hasImplicitMSTexture const):

        (rx::mtl::RenderPassAttachmentDesc::renderSamples const):

        (rx::mtl::RenderPassAttachmentDesc::level const):

        (rx::mtl::RenderPassAttachmentDesc::sliceOrDepth const):

        (rx::mtl::RenderPassAttachmentDesc::blendable const):

        * src/libANGLE/renderer/metal/mtl_state_cache.mm:

        (rx::mtl::RenderPassAttachmentDesc::reset):

        (rx::mtl::RenderPassAttachmentDesc::equalIgnoreLoadStoreOptions const):

        (rx::mtl::RenderPassDesc::convertToMetalDesc const):

        (rx::mtl::RenderPassDesc::populateRenderPipelineOutputDesc const):

        (rx::mtl::RenderPipelineCache::RenderPipelineCache):

        (rx::mtl::RenderPipelineCache::setVertexShader):

        (rx::mtl::RenderPipelineCache::setFragmentShader):

        (rx::mtl::RenderPipelineCache::insertRenderPipelineState):

        (rx::mtl::RenderPipelineCache::createRenderPipelineState):

        (rx::mtl::StateCache::StateCache):

        (rx::mtl::StateCache::getSamplerState):

        * src/libANGLE/renderer/metal/mtl_utils.h:

        * src/libANGLE/renderer/metal/mtl_utils.mm:

        (rx::mtl::InitializeTextureContents):

        (rx::mtl::InitializeTextureContentsGPU):

        (rx::mtl::InitializeDepthStencilTextureContentsGPU):

        (rx::mtl::GetHighestSupportedMSLVersion):

        (rx::mtl::CreateShaderLibrary):

        (rx::mtl::GetEmulatedColorWriteMask):

        (rx::mtl::IsFormatEmulated):

        (rx::mtl::GetMaxRenderTargetSizeForDeviceInBytes):

        (rx::mtl::GetMaxNumberOfRenderTargetsForDevice):

        (rx::mtl::DeviceHasMaximumRenderTargetSize):

        (rx::mtl::getNextLocationForFormat):

        (rx::mtl::ComputeTotalSizeUsedForMTLRenderPassDescriptor):

        (rx::mtl::ComputeTotalSizeUsedForMTLRenderPipelineDescriptor):

        * src/libANGLE/renderer/metal/shaders/blit.metal:

        * src/libANGLE/renderer/metal/shaders/common.h:

        * src/libANGLE/renderer/metal/shaders/copy_buffer.metal:

        * src/libANGLE/renderer/metal/shaders/format_autogen.h:

        * src/libANGLE/renderer/metal/shaders/gen_indices.metal:

        * src/libANGLE/renderer/metal/shaders/gen_mipmap.metal:

        * src/libANGLE/renderer/metal/shaders/visibility.metal:

        * src/libGLESv2/entry_points_egl.cpp:

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