| // |
| // Copyright (C) 2014-2016 LunarG, Inc. |
| // Copyright (C) 2015-2016 Google, Inc. |
| // Copyright (C) 2017 ARM Limited. |
| // |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // |
| // Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // |
| // Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // |
| // Neither the name of 3Dlabs Inc. Ltd. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| // POSSIBILITY OF SUCH DAMAGE. |
| |
| // |
| // Visit the nodes in the glslang intermediate tree representation to |
| // translate them to SPIR-V. |
| // |
| |
| #include "spirv.hpp" |
| #include "GlslangToSpv.h" |
| #include "SpvBuilder.h" |
| namespace spv { |
| #include "GLSL.std.450.h" |
| #include "GLSL.ext.KHR.h" |
| #include "GLSL.ext.EXT.h" |
| #ifdef AMD_EXTENSIONS |
| #include "GLSL.ext.AMD.h" |
| #endif |
| #ifdef NV_EXTENSIONS |
| #include "GLSL.ext.NV.h" |
| #endif |
| } |
| |
| // Glslang includes |
| #include "../glslang/MachineIndependent/localintermediate.h" |
| #include "../glslang/MachineIndependent/SymbolTable.h" |
| #include "../glslang/Include/Common.h" |
| #include "../glslang/Include/revision.h" |
| |
| #include <fstream> |
| #include <iomanip> |
| #include <list> |
| #include <map> |
| #include <stack> |
| #include <string> |
| #include <vector> |
| |
| namespace { |
| |
| namespace { |
| class SpecConstantOpModeGuard { |
| public: |
| SpecConstantOpModeGuard(spv::Builder* builder) |
| : builder_(builder) { |
| previous_flag_ = builder->isInSpecConstCodeGenMode(); |
| } |
| ~SpecConstantOpModeGuard() { |
| previous_flag_ ? builder_->setToSpecConstCodeGenMode() |
| : builder_->setToNormalCodeGenMode(); |
| } |
| void turnOnSpecConstantOpMode() { |
| builder_->setToSpecConstCodeGenMode(); |
| } |
| |
| private: |
| spv::Builder* builder_; |
| bool previous_flag_; |
| }; |
| |
| struct OpDecorations { |
| spv::Decoration precision; |
| spv::Decoration noContraction; |
| spv::Decoration nonUniform; |
| }; |
| |
| } // namespace |
| |
| // |
| // The main holder of information for translating glslang to SPIR-V. |
| // |
| // Derives from the AST walking base class. |
| // |
| class TGlslangToSpvTraverser : public glslang::TIntermTraverser { |
| public: |
| TGlslangToSpvTraverser(unsigned int spvVersion, const glslang::TIntermediate*, spv::SpvBuildLogger* logger, |
| glslang::SpvOptions& options); |
| virtual ~TGlslangToSpvTraverser() { } |
| |
| bool visitAggregate(glslang::TVisit, glslang::TIntermAggregate*); |
| bool visitBinary(glslang::TVisit, glslang::TIntermBinary*); |
| void visitConstantUnion(glslang::TIntermConstantUnion*); |
| bool visitSelection(glslang::TVisit, glslang::TIntermSelection*); |
| bool visitSwitch(glslang::TVisit, glslang::TIntermSwitch*); |
| void visitSymbol(glslang::TIntermSymbol* symbol); |
| bool visitUnary(glslang::TVisit, glslang::TIntermUnary*); |
| bool visitLoop(glslang::TVisit, glslang::TIntermLoop*); |
| bool visitBranch(glslang::TVisit visit, glslang::TIntermBranch*); |
| |
| void finishSpv(); |
| void dumpSpv(std::vector<unsigned int>& out); |
| |
| protected: |
| TGlslangToSpvTraverser(TGlslangToSpvTraverser&); |
| TGlslangToSpvTraverser& operator=(TGlslangToSpvTraverser&); |
| |
| spv::Decoration TranslateInterpolationDecoration(const glslang::TQualifier& qualifier); |
| spv::Decoration TranslateAuxiliaryStorageDecoration(const glslang::TQualifier& qualifier); |
| spv::Decoration TranslateNonUniformDecoration(const glslang::TQualifier& qualifier); |
| spv::Builder::AccessChain::CoherentFlags TranslateCoherent(const glslang::TType& type); |
| spv::MemoryAccessMask TranslateMemoryAccess(const spv::Builder::AccessChain::CoherentFlags &coherentFlags); |
| spv::ImageOperandsMask TranslateImageOperands(const spv::Builder::AccessChain::CoherentFlags &coherentFlags); |
| spv::Scope TranslateMemoryScope(const spv::Builder::AccessChain::CoherentFlags &coherentFlags); |
| spv::BuiltIn TranslateBuiltInDecoration(glslang::TBuiltInVariable, bool memberDeclaration); |
| spv::ImageFormat TranslateImageFormat(const glslang::TType& type); |
| spv::SelectionControlMask TranslateSelectionControl(const glslang::TIntermSelection&) const; |
| spv::SelectionControlMask TranslateSwitchControl(const glslang::TIntermSwitch&) const; |
| spv::LoopControlMask TranslateLoopControl(const glslang::TIntermLoop&, unsigned int& dependencyLength) const; |
| spv::StorageClass TranslateStorageClass(const glslang::TType&); |
| void addIndirectionIndexCapabilities(const glslang::TType& baseType, const glslang::TType& indexType); |
| spv::Id createSpvVariable(const glslang::TIntermSymbol*); |
| spv::Id getSampledType(const glslang::TSampler&); |
| spv::Id getInvertedSwizzleType(const glslang::TIntermTyped&); |
| spv::Id createInvertedSwizzle(spv::Decoration precision, const glslang::TIntermTyped&, spv::Id parentResult); |
| void convertSwizzle(const glslang::TIntermAggregate&, std::vector<unsigned>& swizzle); |
| spv::Id convertGlslangToSpvType(const glslang::TType& type); |
| spv::Id convertGlslangToSpvType(const glslang::TType& type, glslang::TLayoutPacking, const glslang::TQualifier&, |
| bool lastBufferBlockMember); |
| bool filterMember(const glslang::TType& member); |
| spv::Id convertGlslangStructToSpvType(const glslang::TType&, const glslang::TTypeList* glslangStruct, |
| glslang::TLayoutPacking, const glslang::TQualifier&); |
| void decorateStructType(const glslang::TType&, const glslang::TTypeList* glslangStruct, glslang::TLayoutPacking, |
| const glslang::TQualifier&, spv::Id); |
| spv::Id makeArraySizeId(const glslang::TArraySizes&, int dim); |
| spv::Id accessChainLoad(const glslang::TType& type); |
| void accessChainStore(const glslang::TType& type, spv::Id rvalue); |
| void multiTypeStore(const glslang::TType&, spv::Id rValue); |
| glslang::TLayoutPacking getExplicitLayout(const glslang::TType& type) const; |
| int getArrayStride(const glslang::TType& arrayType, glslang::TLayoutPacking, glslang::TLayoutMatrix); |
| int getMatrixStride(const glslang::TType& matrixType, glslang::TLayoutPacking, glslang::TLayoutMatrix); |
| void updateMemberOffset(const glslang::TType& structType, const glslang::TType& memberType, int& currentOffset, |
| int& nextOffset, glslang::TLayoutPacking, glslang::TLayoutMatrix); |
| void declareUseOfStructMember(const glslang::TTypeList& members, int glslangMember); |
| |
| bool isShaderEntryPoint(const glslang::TIntermAggregate* node); |
| bool writableParam(glslang::TStorageQualifier) const; |
| bool originalParam(glslang::TStorageQualifier, const glslang::TType&, bool implicitThisParam); |
| void makeFunctions(const glslang::TIntermSequence&); |
| void makeGlobalInitializers(const glslang::TIntermSequence&); |
| void visitFunctions(const glslang::TIntermSequence&); |
| void handleFunctionEntry(const glslang::TIntermAggregate* node); |
| void translateArguments(const glslang::TIntermAggregate& node, std::vector<spv::Id>& arguments); |
| void translateArguments(glslang::TIntermUnary& node, std::vector<spv::Id>& arguments); |
| spv::Id createImageTextureFunctionCall(glslang::TIntermOperator* node); |
| spv::Id handleUserFunctionCall(const glslang::TIntermAggregate*); |
| |
| spv::Id createBinaryOperation(glslang::TOperator op, OpDecorations&, spv::Id typeId, spv::Id left, spv::Id right, |
| glslang::TBasicType typeProxy, bool reduceComparison = true); |
| spv::Id createBinaryMatrixOperation(spv::Op, OpDecorations&, spv::Id typeId, spv::Id left, spv::Id right); |
| spv::Id createUnaryOperation(glslang::TOperator op, OpDecorations&, spv::Id typeId, spv::Id operand, |
| glslang::TBasicType typeProxy); |
| spv::Id createUnaryMatrixOperation(spv::Op op, OpDecorations&, spv::Id typeId, spv::Id operand, |
| glslang::TBasicType typeProxy); |
| spv::Id createConversion(glslang::TOperator op, OpDecorations&, spv::Id destTypeId, spv::Id operand, |
| glslang::TBasicType typeProxy); |
| spv::Id createIntWidthConversion(glslang::TOperator op, spv::Id operand, int vectorSize); |
| spv::Id makeSmearedConstant(spv::Id constant, int vectorSize); |
| spv::Id createAtomicOperation(glslang::TOperator op, spv::Decoration precision, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy); |
| spv::Id createInvocationsOperation(glslang::TOperator op, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy); |
| spv::Id CreateInvocationsVectorOperation(spv::Op op, spv::GroupOperation groupOperation, spv::Id typeId, std::vector<spv::Id>& operands); |
| spv::Id createSubgroupOperation(glslang::TOperator op, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy); |
| spv::Id createMiscOperation(glslang::TOperator op, spv::Decoration precision, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy); |
| spv::Id createNoArgOperation(glslang::TOperator op, spv::Decoration precision, spv::Id typeId); |
| spv::Id getSymbolId(const glslang::TIntermSymbol* node); |
| #ifdef NV_EXTENSIONS |
| void addMeshNVDecoration(spv::Id id, int member, const glslang::TQualifier & qualifier); |
| #endif |
| spv::Id createSpvConstant(const glslang::TIntermTyped&); |
| spv::Id createSpvConstantFromConstUnionArray(const glslang::TType& type, const glslang::TConstUnionArray&, int& nextConst, bool specConstant); |
| bool isTrivialLeaf(const glslang::TIntermTyped* node); |
| bool isTrivial(const glslang::TIntermTyped* node); |
| spv::Id createShortCircuit(glslang::TOperator, glslang::TIntermTyped& left, glslang::TIntermTyped& right); |
| #ifdef AMD_EXTENSIONS |
| spv::Id getExtBuiltins(const char* name); |
| #endif |
| void addPre13Extension(const char* ext) |
| { |
| if (builder.getSpvVersion() < glslang::EShTargetSpv_1_3) |
| builder.addExtension(ext); |
| } |
| |
| glslang::SpvOptions& options; |
| spv::Function* shaderEntry; |
| spv::Function* currentFunction; |
| spv::Instruction* entryPoint; |
| int sequenceDepth; |
| |
| spv::SpvBuildLogger* logger; |
| |
| // There is a 1:1 mapping between a spv builder and a module; this is thread safe |
| spv::Builder builder; |
| bool inEntryPoint; |
| bool entryPointTerminated; |
| bool linkageOnly; // true when visiting the set of objects in the AST present only for establishing interface, whether or not they were statically used |
| std::set<spv::Id> iOSet; // all input/output variables from either static use or declaration of interface |
| const glslang::TIntermediate* glslangIntermediate; |
| spv::Id stdBuiltins; |
| std::unordered_map<const char*, spv::Id> extBuiltinMap; |
| |
| std::unordered_map<int, spv::Id> symbolValues; |
| std::unordered_set<int> rValueParameters; // set of formal function parameters passed as rValues, rather than a pointer |
| std::unordered_map<std::string, spv::Function*> functionMap; |
| std::unordered_map<const glslang::TTypeList*, spv::Id> structMap[glslang::ElpCount][glslang::ElmCount]; |
| // for mapping glslang block indices to spv indices (e.g., due to hidden members): |
| std::unordered_map<const glslang::TTypeList*, std::vector<int> > memberRemapper; |
| std::stack<bool> breakForLoop; // false means break for switch |
| std::unordered_map<std::string, const glslang::TIntermSymbol*> counterOriginator; |
| }; |
| |
| // |
| // Helper functions for translating glslang representations to SPIR-V enumerants. |
| // |
| |
| // Translate glslang profile to SPIR-V source language. |
| spv::SourceLanguage TranslateSourceLanguage(glslang::EShSource source, EProfile profile) |
| { |
| switch (source) { |
| case glslang::EShSourceGlsl: |
| switch (profile) { |
| case ENoProfile: |
| case ECoreProfile: |
| case ECompatibilityProfile: |
| return spv::SourceLanguageGLSL; |
| case EEsProfile: |
| return spv::SourceLanguageESSL; |
| default: |
| return spv::SourceLanguageUnknown; |
| } |
| case glslang::EShSourceHlsl: |
| return spv::SourceLanguageHLSL; |
| default: |
| return spv::SourceLanguageUnknown; |
| } |
| } |
| |
| // Translate glslang language (stage) to SPIR-V execution model. |
| spv::ExecutionModel TranslateExecutionModel(EShLanguage stage) |
| { |
| switch (stage) { |
| case EShLangVertex: return spv::ExecutionModelVertex; |
| case EShLangTessControl: return spv::ExecutionModelTessellationControl; |
| case EShLangTessEvaluation: return spv::ExecutionModelTessellationEvaluation; |
| case EShLangGeometry: return spv::ExecutionModelGeometry; |
| case EShLangFragment: return spv::ExecutionModelFragment; |
| case EShLangCompute: return spv::ExecutionModelGLCompute; |
| #ifdef NV_EXTENSIONS |
| case EShLangRayGenNV: return spv::ExecutionModelRayGenerationNV; |
| case EShLangIntersectNV: return spv::ExecutionModelIntersectionNV; |
| case EShLangAnyHitNV: return spv::ExecutionModelAnyHitNV; |
| case EShLangClosestHitNV: return spv::ExecutionModelClosestHitNV; |
| case EShLangMissNV: return spv::ExecutionModelMissNV; |
| case EShLangCallableNV: return spv::ExecutionModelCallableNV; |
| case EShLangTaskNV: return spv::ExecutionModelTaskNV; |
| case EShLangMeshNV: return spv::ExecutionModelMeshNV; |
| #endif |
| default: |
| assert(0); |
| return spv::ExecutionModelFragment; |
| } |
| } |
| |
| // Translate glslang sampler type to SPIR-V dimensionality. |
| spv::Dim TranslateDimensionality(const glslang::TSampler& sampler) |
| { |
| switch (sampler.dim) { |
| case glslang::Esd1D: return spv::Dim1D; |
| case glslang::Esd2D: return spv::Dim2D; |
| case glslang::Esd3D: return spv::Dim3D; |
| case glslang::EsdCube: return spv::DimCube; |
| case glslang::EsdRect: return spv::DimRect; |
| case glslang::EsdBuffer: return spv::DimBuffer; |
| case glslang::EsdSubpass: return spv::DimSubpassData; |
| default: |
| assert(0); |
| return spv::Dim2D; |
| } |
| } |
| |
| // Translate glslang precision to SPIR-V precision decorations. |
| spv::Decoration TranslatePrecisionDecoration(glslang::TPrecisionQualifier glslangPrecision) |
| { |
| switch (glslangPrecision) { |
| case glslang::EpqLow: return spv::DecorationRelaxedPrecision; |
| case glslang::EpqMedium: return spv::DecorationRelaxedPrecision; |
| default: |
| return spv::NoPrecision; |
| } |
| } |
| |
| // Translate glslang type to SPIR-V precision decorations. |
| spv::Decoration TranslatePrecisionDecoration(const glslang::TType& type) |
| { |
| return TranslatePrecisionDecoration(type.getQualifier().precision); |
| } |
| |
| // Translate glslang type to SPIR-V block decorations. |
| spv::Decoration TranslateBlockDecoration(const glslang::TType& type, bool useStorageBuffer) |
| { |
| if (type.getBasicType() == glslang::EbtBlock) { |
| switch (type.getQualifier().storage) { |
| case glslang::EvqUniform: return spv::DecorationBlock; |
| case glslang::EvqBuffer: return useStorageBuffer ? spv::DecorationBlock : spv::DecorationBufferBlock; |
| case glslang::EvqVaryingIn: return spv::DecorationBlock; |
| case glslang::EvqVaryingOut: return spv::DecorationBlock; |
| #ifdef NV_EXTENSIONS |
| case glslang::EvqPayloadNV: return spv::DecorationBlock; |
| case glslang::EvqPayloadInNV: return spv::DecorationBlock; |
| case glslang::EvqHitAttrNV: return spv::DecorationBlock; |
| case glslang::EvqCallableDataNV: return spv::DecorationBlock; |
| case glslang::EvqCallableDataInNV: return spv::DecorationBlock; |
| #endif |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| return spv::DecorationMax; |
| } |
| |
| // Translate glslang type to SPIR-V memory decorations. |
| void TranslateMemoryDecoration(const glslang::TQualifier& qualifier, std::vector<spv::Decoration>& memory, bool useVulkanMemoryModel) |
| { |
| if (!useVulkanMemoryModel) { |
| if (qualifier.coherent) |
| memory.push_back(spv::DecorationCoherent); |
| if (qualifier.volatil) { |
| memory.push_back(spv::DecorationVolatile); |
| memory.push_back(spv::DecorationCoherent); |
| } |
| } |
| if (qualifier.restrict) |
| memory.push_back(spv::DecorationRestrict); |
| if (qualifier.readonly) |
| memory.push_back(spv::DecorationNonWritable); |
| if (qualifier.writeonly) |
| memory.push_back(spv::DecorationNonReadable); |
| } |
| |
| // Translate glslang type to SPIR-V layout decorations. |
| spv::Decoration TranslateLayoutDecoration(const glslang::TType& type, glslang::TLayoutMatrix matrixLayout) |
| { |
| if (type.isMatrix()) { |
| switch (matrixLayout) { |
| case glslang::ElmRowMajor: |
| return spv::DecorationRowMajor; |
| case glslang::ElmColumnMajor: |
| return spv::DecorationColMajor; |
| default: |
| // opaque layouts don't need a majorness |
| return spv::DecorationMax; |
| } |
| } else { |
| switch (type.getBasicType()) { |
| default: |
| return spv::DecorationMax; |
| break; |
| case glslang::EbtBlock: |
| switch (type.getQualifier().storage) { |
| case glslang::EvqUniform: |
| case glslang::EvqBuffer: |
| switch (type.getQualifier().layoutPacking) { |
| case glslang::ElpShared: return spv::DecorationGLSLShared; |
| case glslang::ElpPacked: return spv::DecorationGLSLPacked; |
| default: |
| return spv::DecorationMax; |
| } |
| case glslang::EvqVaryingIn: |
| case glslang::EvqVaryingOut: |
| if (type.getQualifier().isTaskMemory()) { |
| switch (type.getQualifier().layoutPacking) { |
| case glslang::ElpShared: return spv::DecorationGLSLShared; |
| case glslang::ElpPacked: return spv::DecorationGLSLPacked; |
| default: break; |
| } |
| } else { |
| assert(type.getQualifier().layoutPacking == glslang::ElpNone); |
| } |
| return spv::DecorationMax; |
| #ifdef NV_EXTENSIONS |
| case glslang::EvqPayloadNV: |
| case glslang::EvqPayloadInNV: |
| case glslang::EvqHitAttrNV: |
| case glslang::EvqCallableDataNV: |
| case glslang::EvqCallableDataInNV: |
| return spv::DecorationMax; |
| #endif |
| default: |
| assert(0); |
| return spv::DecorationMax; |
| } |
| } |
| } |
| } |
| |
| // Translate glslang type to SPIR-V interpolation decorations. |
| // Returns spv::DecorationMax when no decoration |
| // should be applied. |
| spv::Decoration TGlslangToSpvTraverser::TranslateInterpolationDecoration(const glslang::TQualifier& qualifier) |
| { |
| if (qualifier.smooth) |
| // Smooth decoration doesn't exist in SPIR-V 1.0 |
| return spv::DecorationMax; |
| else if (qualifier.nopersp) |
| return spv::DecorationNoPerspective; |
| else if (qualifier.flat) |
| return spv::DecorationFlat; |
| #ifdef AMD_EXTENSIONS |
| else if (qualifier.explicitInterp) { |
| builder.addExtension(spv::E_SPV_AMD_shader_explicit_vertex_parameter); |
| return spv::DecorationExplicitInterpAMD; |
| } |
| #endif |
| else |
| return spv::DecorationMax; |
| } |
| |
| // Translate glslang type to SPIR-V auxiliary storage decorations. |
| // Returns spv::DecorationMax when no decoration |
| // should be applied. |
| spv::Decoration TGlslangToSpvTraverser::TranslateAuxiliaryStorageDecoration(const glslang::TQualifier& qualifier) |
| { |
| if (qualifier.patch) |
| return spv::DecorationPatch; |
| else if (qualifier.centroid) |
| return spv::DecorationCentroid; |
| else if (qualifier.sample) { |
| builder.addCapability(spv::CapabilitySampleRateShading); |
| return spv::DecorationSample; |
| } else |
| return spv::DecorationMax; |
| } |
| |
| // If glslang type is invariant, return SPIR-V invariant decoration. |
| spv::Decoration TranslateInvariantDecoration(const glslang::TQualifier& qualifier) |
| { |
| if (qualifier.invariant) |
| return spv::DecorationInvariant; |
| else |
| return spv::DecorationMax; |
| } |
| |
| // If glslang type is noContraction, return SPIR-V NoContraction decoration. |
| spv::Decoration TranslateNoContractionDecoration(const glslang::TQualifier& qualifier) |
| { |
| if (qualifier.noContraction) |
| return spv::DecorationNoContraction; |
| else |
| return spv::DecorationMax; |
| } |
| |
| // If glslang type is nonUniform, return SPIR-V NonUniform decoration. |
| spv::Decoration TGlslangToSpvTraverser::TranslateNonUniformDecoration(const glslang::TQualifier& qualifier) |
| { |
| if (qualifier.isNonUniform()) { |
| builder.addExtension("SPV_EXT_descriptor_indexing"); |
| builder.addCapability(spv::CapabilityShaderNonUniformEXT); |
| return spv::DecorationNonUniformEXT; |
| } else |
| return spv::DecorationMax; |
| } |
| |
| spv::MemoryAccessMask TGlslangToSpvTraverser::TranslateMemoryAccess(const spv::Builder::AccessChain::CoherentFlags &coherentFlags) |
| { |
| if (!glslangIntermediate->usingVulkanMemoryModel() || coherentFlags.isImage) { |
| return spv::MemoryAccessMaskNone; |
| } |
| spv::MemoryAccessMask mask = spv::MemoryAccessMaskNone; |
| if (coherentFlags.volatil || |
| coherentFlags.coherent || |
| coherentFlags.devicecoherent || |
| coherentFlags.queuefamilycoherent || |
| coherentFlags.workgroupcoherent || |
| coherentFlags.subgroupcoherent) { |
| mask = mask | spv::MemoryAccessMakePointerAvailableKHRMask | |
| spv::MemoryAccessMakePointerVisibleKHRMask; |
| } |
| if (coherentFlags.nonprivate) { |
| mask = mask | spv::MemoryAccessNonPrivatePointerKHRMask; |
| } |
| if (coherentFlags.volatil) { |
| mask = mask | spv::MemoryAccessVolatileMask; |
| } |
| if (mask != spv::MemoryAccessMaskNone) { |
| builder.addCapability(spv::CapabilityVulkanMemoryModelKHR); |
| } |
| return mask; |
| } |
| |
| spv::ImageOperandsMask TGlslangToSpvTraverser::TranslateImageOperands(const spv::Builder::AccessChain::CoherentFlags &coherentFlags) |
| { |
| if (!glslangIntermediate->usingVulkanMemoryModel()) { |
| return spv::ImageOperandsMaskNone; |
| } |
| spv::ImageOperandsMask mask = spv::ImageOperandsMaskNone; |
| if (coherentFlags.volatil || |
| coherentFlags.coherent || |
| coherentFlags.devicecoherent || |
| coherentFlags.queuefamilycoherent || |
| coherentFlags.workgroupcoherent || |
| coherentFlags.subgroupcoherent) { |
| mask = mask | spv::ImageOperandsMakeTexelAvailableKHRMask | |
| spv::ImageOperandsMakeTexelVisibleKHRMask; |
| } |
| if (coherentFlags.nonprivate) { |
| mask = mask | spv::ImageOperandsNonPrivateTexelKHRMask; |
| } |
| if (coherentFlags.volatil) { |
| mask = mask | spv::ImageOperandsVolatileTexelKHRMask; |
| } |
| if (mask != spv::ImageOperandsMaskNone) { |
| builder.addCapability(spv::CapabilityVulkanMemoryModelKHR); |
| } |
| return mask; |
| } |
| |
| spv::Builder::AccessChain::CoherentFlags TGlslangToSpvTraverser::TranslateCoherent(const glslang::TType& type) |
| { |
| spv::Builder::AccessChain::CoherentFlags flags; |
| flags.coherent = type.getQualifier().coherent; |
| flags.devicecoherent = type.getQualifier().devicecoherent; |
| flags.queuefamilycoherent = type.getQualifier().queuefamilycoherent; |
| // shared variables are implicitly workgroupcoherent in GLSL. |
| flags.workgroupcoherent = type.getQualifier().workgroupcoherent || |
| type.getQualifier().storage == glslang::EvqShared; |
| flags.subgroupcoherent = type.getQualifier().subgroupcoherent; |
| // *coherent variables are implicitly nonprivate in GLSL |
| flags.nonprivate = type.getQualifier().nonprivate || |
| flags.subgroupcoherent || |
| flags.workgroupcoherent || |
| flags.queuefamilycoherent || |
| flags.devicecoherent || |
| flags.coherent; |
| flags.volatil = type.getQualifier().volatil; |
| flags.isImage = type.getBasicType() == glslang::EbtSampler; |
| return flags; |
| } |
| |
| spv::Scope TGlslangToSpvTraverser::TranslateMemoryScope(const spv::Builder::AccessChain::CoherentFlags &coherentFlags) |
| { |
| spv::Scope scope; |
| if (coherentFlags.coherent) { |
| // coherent defaults to Device scope in the old model, QueueFamilyKHR scope in the new model |
| scope = glslangIntermediate->usingVulkanMemoryModel() ? spv::ScopeQueueFamilyKHR : spv::ScopeDevice; |
| } else if (coherentFlags.devicecoherent) { |
| scope = spv::ScopeDevice; |
| } else if (coherentFlags.queuefamilycoherent) { |
| scope = spv::ScopeQueueFamilyKHR; |
| } else if (coherentFlags.workgroupcoherent) { |
| scope = spv::ScopeWorkgroup; |
| } else if (coherentFlags.subgroupcoherent) { |
| scope = spv::ScopeSubgroup; |
| } else { |
| scope = spv::ScopeMax; |
| } |
| if (glslangIntermediate->usingVulkanMemoryModel() && scope == spv::ScopeDevice) { |
| builder.addCapability(spv::CapabilityVulkanMemoryModelDeviceScopeKHR); |
| } |
| return scope; |
| } |
| |
| // Translate a glslang built-in variable to a SPIR-V built in decoration. Also generate |
| // associated capabilities when required. For some built-in variables, a capability |
| // is generated only when using the variable in an executable instruction, but not when |
| // just declaring a struct member variable with it. This is true for PointSize, |
| // ClipDistance, and CullDistance. |
| spv::BuiltIn TGlslangToSpvTraverser::TranslateBuiltInDecoration(glslang::TBuiltInVariable builtIn, bool memberDeclaration) |
| { |
| switch (builtIn) { |
| case glslang::EbvPointSize: |
| // Defer adding the capability until the built-in is actually used. |
| if (! memberDeclaration) { |
| switch (glslangIntermediate->getStage()) { |
| case EShLangGeometry: |
| builder.addCapability(spv::CapabilityGeometryPointSize); |
| break; |
| case EShLangTessControl: |
| case EShLangTessEvaluation: |
| builder.addCapability(spv::CapabilityTessellationPointSize); |
| break; |
| default: |
| break; |
| } |
| } |
| return spv::BuiltInPointSize; |
| |
| // These *Distance capabilities logically belong here, but if the member is declared and |
| // then never used, consumers of SPIR-V prefer the capability not be declared. |
| // They are now generated when used, rather than here when declared. |
| // Potentially, the specification should be more clear what the minimum |
| // use needed is to trigger the capability. |
| // |
| case glslang::EbvClipDistance: |
| if (!memberDeclaration) |
| builder.addCapability(spv::CapabilityClipDistance); |
| return spv::BuiltInClipDistance; |
| |
| case glslang::EbvCullDistance: |
| if (!memberDeclaration) |
| builder.addCapability(spv::CapabilityCullDistance); |
| return spv::BuiltInCullDistance; |
| |
| case glslang::EbvViewportIndex: |
| builder.addCapability(spv::CapabilityMultiViewport); |
| if (glslangIntermediate->getStage() == EShLangVertex || |
| glslangIntermediate->getStage() == EShLangTessControl || |
| glslangIntermediate->getStage() == EShLangTessEvaluation) { |
| |
| builder.addExtension(spv::E_SPV_EXT_shader_viewport_index_layer); |
| builder.addCapability(spv::CapabilityShaderViewportIndexLayerEXT); |
| } |
| return spv::BuiltInViewportIndex; |
| |
| case glslang::EbvSampleId: |
| builder.addCapability(spv::CapabilitySampleRateShading); |
| return spv::BuiltInSampleId; |
| |
| case glslang::EbvSamplePosition: |
| builder.addCapability(spv::CapabilitySampleRateShading); |
| return spv::BuiltInSamplePosition; |
| |
| case glslang::EbvSampleMask: |
| return spv::BuiltInSampleMask; |
| |
| case glslang::EbvLayer: |
| #ifdef NV_EXTENSIONS |
| if (glslangIntermediate->getStage() == EShLangMeshNV) { |
| return spv::BuiltInLayer; |
| } |
| #endif |
| builder.addCapability(spv::CapabilityGeometry); |
| if (glslangIntermediate->getStage() == EShLangVertex || |
| glslangIntermediate->getStage() == EShLangTessControl || |
| glslangIntermediate->getStage() == EShLangTessEvaluation) { |
| |
| builder.addExtension(spv::E_SPV_EXT_shader_viewport_index_layer); |
| builder.addCapability(spv::CapabilityShaderViewportIndexLayerEXT); |
| } |
| return spv::BuiltInLayer; |
| |
| case glslang::EbvPosition: return spv::BuiltInPosition; |
| case glslang::EbvVertexId: return spv::BuiltInVertexId; |
| case glslang::EbvInstanceId: return spv::BuiltInInstanceId; |
| case glslang::EbvVertexIndex: return spv::BuiltInVertexIndex; |
| case glslang::EbvInstanceIndex: return spv::BuiltInInstanceIndex; |
| |
| case glslang::EbvBaseVertex: |
| addPre13Extension(spv::E_SPV_KHR_shader_draw_parameters); |
| builder.addCapability(spv::CapabilityDrawParameters); |
| return spv::BuiltInBaseVertex; |
| |
| case glslang::EbvBaseInstance: |
| addPre13Extension(spv::E_SPV_KHR_shader_draw_parameters); |
| builder.addCapability(spv::CapabilityDrawParameters); |
| return spv::BuiltInBaseInstance; |
| |
| case glslang::EbvDrawId: |
| addPre13Extension(spv::E_SPV_KHR_shader_draw_parameters); |
| builder.addCapability(spv::CapabilityDrawParameters); |
| return spv::BuiltInDrawIndex; |
| |
| case glslang::EbvPrimitiveId: |
| if (glslangIntermediate->getStage() == EShLangFragment) |
| builder.addCapability(spv::CapabilityGeometry); |
| return spv::BuiltInPrimitiveId; |
| |
| case glslang::EbvFragStencilRef: |
| builder.addExtension(spv::E_SPV_EXT_shader_stencil_export); |
| builder.addCapability(spv::CapabilityStencilExportEXT); |
| return spv::BuiltInFragStencilRefEXT; |
| |
| case glslang::EbvInvocationId: return spv::BuiltInInvocationId; |
| case glslang::EbvTessLevelInner: return spv::BuiltInTessLevelInner; |
| case glslang::EbvTessLevelOuter: return spv::BuiltInTessLevelOuter; |
| case glslang::EbvTessCoord: return spv::BuiltInTessCoord; |
| case glslang::EbvPatchVertices: return spv::BuiltInPatchVertices; |
| case glslang::EbvFragCoord: return spv::BuiltInFragCoord; |
| case glslang::EbvPointCoord: return spv::BuiltInPointCoord; |
| case glslang::EbvFace: return spv::BuiltInFrontFacing; |
| case glslang::EbvFragDepth: return spv::BuiltInFragDepth; |
| case glslang::EbvHelperInvocation: return spv::BuiltInHelperInvocation; |
| case glslang::EbvNumWorkGroups: return spv::BuiltInNumWorkgroups; |
| case glslang::EbvWorkGroupSize: return spv::BuiltInWorkgroupSize; |
| case glslang::EbvWorkGroupId: return spv::BuiltInWorkgroupId; |
| case glslang::EbvLocalInvocationId: return spv::BuiltInLocalInvocationId; |
| case glslang::EbvLocalInvocationIndex: return spv::BuiltInLocalInvocationIndex; |
| case glslang::EbvGlobalInvocationId: return spv::BuiltInGlobalInvocationId; |
| |
| case glslang::EbvSubGroupSize: |
| builder.addExtension(spv::E_SPV_KHR_shader_ballot); |
| builder.addCapability(spv::CapabilitySubgroupBallotKHR); |
| return spv::BuiltInSubgroupSize; |
| |
| case glslang::EbvSubGroupInvocation: |
| builder.addExtension(spv::E_SPV_KHR_shader_ballot); |
| builder.addCapability(spv::CapabilitySubgroupBallotKHR); |
| return spv::BuiltInSubgroupLocalInvocationId; |
| |
| case glslang::EbvSubGroupEqMask: |
| builder.addExtension(spv::E_SPV_KHR_shader_ballot); |
| builder.addCapability(spv::CapabilitySubgroupBallotKHR); |
| return spv::BuiltInSubgroupEqMaskKHR; |
| |
| case glslang::EbvSubGroupGeMask: |
| builder.addExtension(spv::E_SPV_KHR_shader_ballot); |
| builder.addCapability(spv::CapabilitySubgroupBallotKHR); |
| return spv::BuiltInSubgroupGeMaskKHR; |
| |
| case glslang::EbvSubGroupGtMask: |
| builder.addExtension(spv::E_SPV_KHR_shader_ballot); |
| builder.addCapability(spv::CapabilitySubgroupBallotKHR); |
| return spv::BuiltInSubgroupGtMaskKHR; |
| |
| case glslang::EbvSubGroupLeMask: |
| builder.addExtension(spv::E_SPV_KHR_shader_ballot); |
| builder.addCapability(spv::CapabilitySubgroupBallotKHR); |
| return spv::BuiltInSubgroupLeMaskKHR; |
| |
| case glslang::EbvSubGroupLtMask: |
| builder.addExtension(spv::E_SPV_KHR_shader_ballot); |
| builder.addCapability(spv::CapabilitySubgroupBallotKHR); |
| return spv::BuiltInSubgroupLtMaskKHR; |
| |
| case glslang::EbvNumSubgroups: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| return spv::BuiltInNumSubgroups; |
| |
| case glslang::EbvSubgroupID: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| return spv::BuiltInSubgroupId; |
| |
| case glslang::EbvSubgroupSize2: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| return spv::BuiltInSubgroupSize; |
| |
| case glslang::EbvSubgroupInvocation2: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| return spv::BuiltInSubgroupLocalInvocationId; |
| |
| case glslang::EbvSubgroupEqMask2: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformBallot); |
| return spv::BuiltInSubgroupEqMask; |
| |
| case glslang::EbvSubgroupGeMask2: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformBallot); |
| return spv::BuiltInSubgroupGeMask; |
| |
| case glslang::EbvSubgroupGtMask2: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformBallot); |
| return spv::BuiltInSubgroupGtMask; |
| |
| case glslang::EbvSubgroupLeMask2: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformBallot); |
| return spv::BuiltInSubgroupLeMask; |
| |
| case glslang::EbvSubgroupLtMask2: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformBallot); |
| return spv::BuiltInSubgroupLtMask; |
| #ifdef AMD_EXTENSIONS |
| case glslang::EbvBaryCoordNoPersp: |
| builder.addExtension(spv::E_SPV_AMD_shader_explicit_vertex_parameter); |
| return spv::BuiltInBaryCoordNoPerspAMD; |
| |
| case glslang::EbvBaryCoordNoPerspCentroid: |
| builder.addExtension(spv::E_SPV_AMD_shader_explicit_vertex_parameter); |
| return spv::BuiltInBaryCoordNoPerspCentroidAMD; |
| |
| case glslang::EbvBaryCoordNoPerspSample: |
| builder.addExtension(spv::E_SPV_AMD_shader_explicit_vertex_parameter); |
| return spv::BuiltInBaryCoordNoPerspSampleAMD; |
| |
| case glslang::EbvBaryCoordSmooth: |
| builder.addExtension(spv::E_SPV_AMD_shader_explicit_vertex_parameter); |
| return spv::BuiltInBaryCoordSmoothAMD; |
| |
| case glslang::EbvBaryCoordSmoothCentroid: |
| builder.addExtension(spv::E_SPV_AMD_shader_explicit_vertex_parameter); |
| return spv::BuiltInBaryCoordSmoothCentroidAMD; |
| |
| case glslang::EbvBaryCoordSmoothSample: |
| builder.addExtension(spv::E_SPV_AMD_shader_explicit_vertex_parameter); |
| return spv::BuiltInBaryCoordSmoothSampleAMD; |
| |
| case glslang::EbvBaryCoordPullModel: |
| builder.addExtension(spv::E_SPV_AMD_shader_explicit_vertex_parameter); |
| return spv::BuiltInBaryCoordPullModelAMD; |
| #endif |
| |
| case glslang::EbvDeviceIndex: |
| addPre13Extension(spv::E_SPV_KHR_device_group); |
| builder.addCapability(spv::CapabilityDeviceGroup); |
| return spv::BuiltInDeviceIndex; |
| |
| case glslang::EbvViewIndex: |
| addPre13Extension(spv::E_SPV_KHR_multiview); |
| builder.addCapability(spv::CapabilityMultiView); |
| return spv::BuiltInViewIndex; |
| |
| case glslang::EbvFragSizeEXT: |
| builder.addExtension(spv::E_SPV_EXT_fragment_invocation_density); |
| builder.addCapability(spv::CapabilityFragmentDensityEXT); |
| return spv::BuiltInFragSizeEXT; |
| |
| case glslang::EbvFragInvocationCountEXT: |
| builder.addExtension(spv::E_SPV_EXT_fragment_invocation_density); |
| builder.addCapability(spv::CapabilityFragmentDensityEXT); |
| return spv::BuiltInFragInvocationCountEXT; |
| |
| #ifdef NV_EXTENSIONS |
| case glslang::EbvViewportMaskNV: |
| if (!memberDeclaration) { |
| builder.addExtension(spv::E_SPV_NV_viewport_array2); |
| builder.addCapability(spv::CapabilityShaderViewportMaskNV); |
| } |
| return spv::BuiltInViewportMaskNV; |
| case glslang::EbvSecondaryPositionNV: |
| if (!memberDeclaration) { |
| builder.addExtension(spv::E_SPV_NV_stereo_view_rendering); |
| builder.addCapability(spv::CapabilityShaderStereoViewNV); |
| } |
| return spv::BuiltInSecondaryPositionNV; |
| case glslang::EbvSecondaryViewportMaskNV: |
| if (!memberDeclaration) { |
| builder.addExtension(spv::E_SPV_NV_stereo_view_rendering); |
| builder.addCapability(spv::CapabilityShaderStereoViewNV); |
| } |
| return spv::BuiltInSecondaryViewportMaskNV; |
| case glslang::EbvPositionPerViewNV: |
| if (!memberDeclaration) { |
| builder.addExtension(spv::E_SPV_NVX_multiview_per_view_attributes); |
| builder.addCapability(spv::CapabilityPerViewAttributesNV); |
| } |
| return spv::BuiltInPositionPerViewNV; |
| case glslang::EbvViewportMaskPerViewNV: |
| if (!memberDeclaration) { |
| builder.addExtension(spv::E_SPV_NVX_multiview_per_view_attributes); |
| builder.addCapability(spv::CapabilityPerViewAttributesNV); |
| } |
| return spv::BuiltInViewportMaskPerViewNV; |
| case glslang::EbvFragFullyCoveredNV: |
| builder.addExtension(spv::E_SPV_EXT_fragment_fully_covered); |
| builder.addCapability(spv::CapabilityFragmentFullyCoveredEXT); |
| return spv::BuiltInFullyCoveredEXT; |
| case glslang::EbvFragmentSizeNV: |
| builder.addExtension(spv::E_SPV_NV_shading_rate); |
| builder.addCapability(spv::CapabilityShadingRateNV); |
| return spv::BuiltInFragmentSizeNV; |
| case glslang::EbvInvocationsPerPixelNV: |
| builder.addExtension(spv::E_SPV_NV_shading_rate); |
| builder.addCapability(spv::CapabilityShadingRateNV); |
| return spv::BuiltInInvocationsPerPixelNV; |
| |
| // raytracing |
| case glslang::EbvLaunchIdNV: |
| return spv::BuiltInLaunchIdNV; |
| case glslang::EbvLaunchSizeNV: |
| return spv::BuiltInLaunchSizeNV; |
| case glslang::EbvWorldRayOriginNV: |
| return spv::BuiltInWorldRayOriginNV; |
| case glslang::EbvWorldRayDirectionNV: |
| return spv::BuiltInWorldRayDirectionNV; |
| case glslang::EbvObjectRayOriginNV: |
| return spv::BuiltInObjectRayOriginNV; |
| case glslang::EbvObjectRayDirectionNV: |
| return spv::BuiltInObjectRayDirectionNV; |
| case glslang::EbvRayTminNV: |
| return spv::BuiltInRayTminNV; |
| case glslang::EbvRayTmaxNV: |
| return spv::BuiltInRayTmaxNV; |
| case glslang::EbvInstanceCustomIndexNV: |
| return spv::BuiltInInstanceCustomIndexNV; |
| case glslang::EbvHitTNV: |
| return spv::BuiltInHitTNV; |
| case glslang::EbvHitKindNV: |
| return spv::BuiltInHitKindNV; |
| case glslang::EbvObjectToWorldNV: |
| return spv::BuiltInObjectToWorldNV; |
| case glslang::EbvWorldToObjectNV: |
| return spv::BuiltInWorldToObjectNV; |
| case glslang::EbvIncomingRayFlagsNV: |
| return spv::BuiltInIncomingRayFlagsNV; |
| case glslang::EbvBaryCoordNV: |
| builder.addExtension(spv::E_SPV_NV_fragment_shader_barycentric); |
| builder.addCapability(spv::CapabilityFragmentBarycentricNV); |
| return spv::BuiltInBaryCoordNV; |
| case glslang::EbvBaryCoordNoPerspNV: |
| builder.addExtension(spv::E_SPV_NV_fragment_shader_barycentric); |
| builder.addCapability(spv::CapabilityFragmentBarycentricNV); |
| return spv::BuiltInBaryCoordNoPerspNV; |
| case glslang::EbvTaskCountNV: |
| return spv::BuiltInTaskCountNV; |
| case glslang::EbvPrimitiveCountNV: |
| return spv::BuiltInPrimitiveCountNV; |
| case glslang::EbvPrimitiveIndicesNV: |
| return spv::BuiltInPrimitiveIndicesNV; |
| case glslang::EbvClipDistancePerViewNV: |
| return spv::BuiltInClipDistancePerViewNV; |
| case glslang::EbvCullDistancePerViewNV: |
| return spv::BuiltInCullDistancePerViewNV; |
| case glslang::EbvLayerPerViewNV: |
| return spv::BuiltInLayerPerViewNV; |
| case glslang::EbvMeshViewCountNV: |
| return spv::BuiltInMeshViewCountNV; |
| case glslang::EbvMeshViewIndicesNV: |
| return spv::BuiltInMeshViewIndicesNV; |
| #endif |
| default: |
| return spv::BuiltInMax; |
| } |
| } |
| |
| // Translate glslang image layout format to SPIR-V image format. |
| spv::ImageFormat TGlslangToSpvTraverser::TranslateImageFormat(const glslang::TType& type) |
| { |
| assert(type.getBasicType() == glslang::EbtSampler); |
| |
| // Check for capabilities |
| switch (type.getQualifier().layoutFormat) { |
| case glslang::ElfRg32f: |
| case glslang::ElfRg16f: |
| case glslang::ElfR11fG11fB10f: |
| case glslang::ElfR16f: |
| case glslang::ElfRgba16: |
| case glslang::ElfRgb10A2: |
| case glslang::ElfRg16: |
| case glslang::ElfRg8: |
| case glslang::ElfR16: |
| case glslang::ElfR8: |
| case glslang::ElfRgba16Snorm: |
| case glslang::ElfRg16Snorm: |
| case glslang::ElfRg8Snorm: |
| case glslang::ElfR16Snorm: |
| case glslang::ElfR8Snorm: |
| |
| case glslang::ElfRg32i: |
| case glslang::ElfRg16i: |
| case glslang::ElfRg8i: |
| case glslang::ElfR16i: |
| case glslang::ElfR8i: |
| |
| case glslang::ElfRgb10a2ui: |
| case glslang::ElfRg32ui: |
| case glslang::ElfRg16ui: |
| case glslang::ElfRg8ui: |
| case glslang::ElfR16ui: |
| case glslang::ElfR8ui: |
| builder.addCapability(spv::CapabilityStorageImageExtendedFormats); |
| break; |
| |
| default: |
| break; |
| } |
| |
| // do the translation |
| switch (type.getQualifier().layoutFormat) { |
| case glslang::ElfNone: return spv::ImageFormatUnknown; |
| case glslang::ElfRgba32f: return spv::ImageFormatRgba32f; |
| case glslang::ElfRgba16f: return spv::ImageFormatRgba16f; |
| case glslang::ElfR32f: return spv::ImageFormatR32f; |
| case glslang::ElfRgba8: return spv::ImageFormatRgba8; |
| case glslang::ElfRgba8Snorm: return spv::ImageFormatRgba8Snorm; |
| case glslang::ElfRg32f: return spv::ImageFormatRg32f; |
| case glslang::ElfRg16f: return spv::ImageFormatRg16f; |
| case glslang::ElfR11fG11fB10f: return spv::ImageFormatR11fG11fB10f; |
| case glslang::ElfR16f: return spv::ImageFormatR16f; |
| case glslang::ElfRgba16: return spv::ImageFormatRgba16; |
| case glslang::ElfRgb10A2: return spv::ImageFormatRgb10A2; |
| case glslang::ElfRg16: return spv::ImageFormatRg16; |
| case glslang::ElfRg8: return spv::ImageFormatRg8; |
| case glslang::ElfR16: return spv::ImageFormatR16; |
| case glslang::ElfR8: return spv::ImageFormatR8; |
| case glslang::ElfRgba16Snorm: return spv::ImageFormatRgba16Snorm; |
| case glslang::ElfRg16Snorm: return spv::ImageFormatRg16Snorm; |
| case glslang::ElfRg8Snorm: return spv::ImageFormatRg8Snorm; |
| case glslang::ElfR16Snorm: return spv::ImageFormatR16Snorm; |
| case glslang::ElfR8Snorm: return spv::ImageFormatR8Snorm; |
| case glslang::ElfRgba32i: return spv::ImageFormatRgba32i; |
| case glslang::ElfRgba16i: return spv::ImageFormatRgba16i; |
| case glslang::ElfRgba8i: return spv::ImageFormatRgba8i; |
| case glslang::ElfR32i: return spv::ImageFormatR32i; |
| case glslang::ElfRg32i: return spv::ImageFormatRg32i; |
| case glslang::ElfRg16i: return spv::ImageFormatRg16i; |
| case glslang::ElfRg8i: return spv::ImageFormatRg8i; |
| case glslang::ElfR16i: return spv::ImageFormatR16i; |
| case glslang::ElfR8i: return spv::ImageFormatR8i; |
| case glslang::ElfRgba32ui: return spv::ImageFormatRgba32ui; |
| case glslang::ElfRgba16ui: return spv::ImageFormatRgba16ui; |
| case glslang::ElfRgba8ui: return spv::ImageFormatRgba8ui; |
| case glslang::ElfR32ui: return spv::ImageFormatR32ui; |
| case glslang::ElfRg32ui: return spv::ImageFormatRg32ui; |
| case glslang::ElfRg16ui: return spv::ImageFormatRg16ui; |
| case glslang::ElfRgb10a2ui: return spv::ImageFormatRgb10a2ui; |
| case glslang::ElfRg8ui: return spv::ImageFormatRg8ui; |
| case glslang::ElfR16ui: return spv::ImageFormatR16ui; |
| case glslang::ElfR8ui: return spv::ImageFormatR8ui; |
| default: return spv::ImageFormatMax; |
| } |
| } |
| |
| spv::SelectionControlMask TGlslangToSpvTraverser::TranslateSelectionControl(const glslang::TIntermSelection& selectionNode) const |
| { |
| if (selectionNode.getFlatten()) |
| return spv::SelectionControlFlattenMask; |
| if (selectionNode.getDontFlatten()) |
| return spv::SelectionControlDontFlattenMask; |
| return spv::SelectionControlMaskNone; |
| } |
| |
| spv::SelectionControlMask TGlslangToSpvTraverser::TranslateSwitchControl(const glslang::TIntermSwitch& switchNode) const |
| { |
| if (switchNode.getFlatten()) |
| return spv::SelectionControlFlattenMask; |
| if (switchNode.getDontFlatten()) |
| return spv::SelectionControlDontFlattenMask; |
| return spv::SelectionControlMaskNone; |
| } |
| |
| // return a non-0 dependency if the dependency argument must be set |
| spv::LoopControlMask TGlslangToSpvTraverser::TranslateLoopControl(const glslang::TIntermLoop& loopNode, |
| unsigned int& dependencyLength) const |
| { |
| spv::LoopControlMask control = spv::LoopControlMaskNone; |
| |
| if (loopNode.getDontUnroll()) |
| control = control | spv::LoopControlDontUnrollMask; |
| if (loopNode.getUnroll()) |
| control = control | spv::LoopControlUnrollMask; |
| if (unsigned(loopNode.getLoopDependency()) == glslang::TIntermLoop::dependencyInfinite) |
| control = control | spv::LoopControlDependencyInfiniteMask; |
| else if (loopNode.getLoopDependency() > 0) { |
| control = control | spv::LoopControlDependencyLengthMask; |
| dependencyLength = loopNode.getLoopDependency(); |
| } |
| |
| return control; |
| } |
| |
| // Translate glslang type to SPIR-V storage class. |
| spv::StorageClass TGlslangToSpvTraverser::TranslateStorageClass(const glslang::TType& type) |
| { |
| if (type.getQualifier().isPipeInput()) |
| return spv::StorageClassInput; |
| if (type.getQualifier().isPipeOutput()) |
| return spv::StorageClassOutput; |
| |
| if (glslangIntermediate->getSource() != glslang::EShSourceHlsl || |
| type.getQualifier().storage == glslang::EvqUniform) { |
| if (type.getBasicType() == glslang::EbtAtomicUint) |
| return spv::StorageClassAtomicCounter; |
| if (type.containsOpaque()) |
| return spv::StorageClassUniformConstant; |
| } |
| |
| if (glslangIntermediate->usingStorageBuffer() && type.getQualifier().storage == glslang::EvqBuffer) { |
| addPre13Extension(spv::E_SPV_KHR_storage_buffer_storage_class); |
| return spv::StorageClassStorageBuffer; |
| } |
| |
| if (type.getQualifier().isUniformOrBuffer()) { |
| if (type.getQualifier().layoutPushConstant) |
| return spv::StorageClassPushConstant; |
| #ifdef NV_EXTENSIONS |
| if (type.getQualifier().layoutShaderRecordNV) |
| return spv::StorageClassShaderRecordBufferNV; |
| #endif |
| if (type.getBasicType() == glslang::EbtBlock) |
| return spv::StorageClassUniform; |
| return spv::StorageClassUniformConstant; |
| } |
| |
| switch (type.getQualifier().storage) { |
| case glslang::EvqShared: return spv::StorageClassWorkgroup; |
| case glslang::EvqGlobal: return spv::StorageClassPrivate; |
| case glslang::EvqConstReadOnly: return spv::StorageClassFunction; |
| case glslang::EvqTemporary: return spv::StorageClassFunction; |
| #ifdef NV_EXTENSIONS |
| case glslang::EvqPayloadNV: return spv::StorageClassRayPayloadNV; |
| case glslang::EvqPayloadInNV: return spv::StorageClassIncomingRayPayloadNV; |
| case glslang::EvqHitAttrNV: return spv::StorageClassHitAttributeNV; |
| case glslang::EvqCallableDataNV: return spv::StorageClassCallableDataNV; |
| case glslang::EvqCallableDataInNV: return spv::StorageClassIncomingCallableDataNV; |
| #endif |
| default: |
| assert(0); |
| break; |
| } |
| |
| return spv::StorageClassFunction; |
| } |
| |
| // Add capabilities pertaining to how an array is indexed. |
| void TGlslangToSpvTraverser::addIndirectionIndexCapabilities(const glslang::TType& baseType, |
| const glslang::TType& indexType) |
| { |
| if (indexType.getQualifier().isNonUniform()) { |
| // deal with an asserted non-uniform index |
| // SPV_EXT_descriptor_indexing already added in TranslateNonUniformDecoration |
| if (baseType.getBasicType() == glslang::EbtSampler) { |
| if (baseType.getQualifier().hasAttachment()) |
| builder.addCapability(spv::CapabilityInputAttachmentArrayNonUniformIndexingEXT); |
| else if (baseType.isImage() && baseType.getSampler().dim == glslang::EsdBuffer) |
| builder.addCapability(spv::CapabilityStorageTexelBufferArrayNonUniformIndexingEXT); |
| else if (baseType.isTexture() && baseType.getSampler().dim == glslang::EsdBuffer) |
| builder.addCapability(spv::CapabilityUniformTexelBufferArrayNonUniformIndexingEXT); |
| else if (baseType.isImage()) |
| builder.addCapability(spv::CapabilityStorageImageArrayNonUniformIndexingEXT); |
| else if (baseType.isTexture()) |
| builder.addCapability(spv::CapabilitySampledImageArrayNonUniformIndexingEXT); |
| } else if (baseType.getBasicType() == glslang::EbtBlock) { |
| if (baseType.getQualifier().storage == glslang::EvqBuffer) |
| builder.addCapability(spv::CapabilityStorageBufferArrayNonUniformIndexingEXT); |
| else if (baseType.getQualifier().storage == glslang::EvqUniform) |
| builder.addCapability(spv::CapabilityUniformBufferArrayNonUniformIndexingEXT); |
| } |
| } else { |
| // assume a dynamically uniform index |
| if (baseType.getBasicType() == glslang::EbtSampler) { |
| if (baseType.getQualifier().hasAttachment()) { |
| builder.addExtension("SPV_EXT_descriptor_indexing"); |
| builder.addCapability(spv::CapabilityInputAttachmentArrayDynamicIndexingEXT); |
| } else if (baseType.isImage() && baseType.getSampler().dim == glslang::EsdBuffer) { |
| builder.addExtension("SPV_EXT_descriptor_indexing"); |
| builder.addCapability(spv::CapabilityStorageTexelBufferArrayDynamicIndexingEXT); |
| } else if (baseType.isTexture() && baseType.getSampler().dim == glslang::EsdBuffer) { |
| builder.addExtension("SPV_EXT_descriptor_indexing"); |
| builder.addCapability(spv::CapabilityUniformTexelBufferArrayDynamicIndexingEXT); |
| } |
| } |
| } |
| } |
| |
| // Return whether or not the given type is something that should be tied to a |
| // descriptor set. |
| bool IsDescriptorResource(const glslang::TType& type) |
| { |
| // uniform and buffer blocks are included, unless it is a push_constant |
| if (type.getBasicType() == glslang::EbtBlock) |
| return type.getQualifier().isUniformOrBuffer() && |
| #ifdef NV_EXTENSIONS |
| ! type.getQualifier().layoutShaderRecordNV && |
| #endif |
| ! type.getQualifier().layoutPushConstant; |
| |
| // non block... |
| // basically samplerXXX/subpass/sampler/texture are all included |
| // if they are the global-scope-class, not the function parameter |
| // (or local, if they ever exist) class. |
| if (type.getBasicType() == glslang::EbtSampler) |
| return type.getQualifier().isUniformOrBuffer(); |
| |
| // None of the above. |
| return false; |
| } |
| |
| void InheritQualifiers(glslang::TQualifier& child, const glslang::TQualifier& parent) |
| { |
| if (child.layoutMatrix == glslang::ElmNone) |
| child.layoutMatrix = parent.layoutMatrix; |
| |
| if (parent.invariant) |
| child.invariant = true; |
| if (parent.nopersp) |
| child.nopersp = true; |
| #ifdef AMD_EXTENSIONS |
| if (parent.explicitInterp) |
| child.explicitInterp = true; |
| #endif |
| if (parent.flat) |
| child.flat = true; |
| if (parent.centroid) |
| child.centroid = true; |
| if (parent.patch) |
| child.patch = true; |
| if (parent.sample) |
| child.sample = true; |
| if (parent.coherent) |
| child.coherent = true; |
| if (parent.devicecoherent) |
| child.devicecoherent = true; |
| if (parent.queuefamilycoherent) |
| child.queuefamilycoherent = true; |
| if (parent.workgroupcoherent) |
| child.workgroupcoherent = true; |
| if (parent.subgroupcoherent) |
| child.subgroupcoherent = true; |
| if (parent.nonprivate) |
| child.nonprivate = true; |
| if (parent.volatil) |
| child.volatil = true; |
| if (parent.restrict) |
| child.restrict = true; |
| if (parent.readonly) |
| child.readonly = true; |
| if (parent.writeonly) |
| child.writeonly = true; |
| #ifdef NV_EXTENSIONS |
| if (parent.perPrimitiveNV) |
| child.perPrimitiveNV = true; |
| if (parent.perViewNV) |
| child.perViewNV = true; |
| if (parent.perTaskNV) |
| child.perTaskNV = true; |
| #endif |
| } |
| |
| bool HasNonLayoutQualifiers(const glslang::TType& type, const glslang::TQualifier& qualifier) |
| { |
| // This should list qualifiers that simultaneous satisfy: |
| // - struct members might inherit from a struct declaration |
| // (note that non-block structs don't explicitly inherit, |
| // only implicitly, meaning no decoration involved) |
| // - affect decorations on the struct members |
| // (note smooth does not, and expecting something like volatile |
| // to effect the whole object) |
| // - are not part of the offset/st430/etc or row/column-major layout |
| return qualifier.invariant || (qualifier.hasLocation() && type.getBasicType() == glslang::EbtBlock); |
| } |
| |
| // |
| // Implement the TGlslangToSpvTraverser class. |
| // |
| |
| TGlslangToSpvTraverser::TGlslangToSpvTraverser(unsigned int spvVersion, const glslang::TIntermediate* glslangIntermediate, |
| spv::SpvBuildLogger* buildLogger, glslang::SpvOptions& options) |
| : TIntermTraverser(true, false, true), |
| options(options), |
| shaderEntry(nullptr), currentFunction(nullptr), |
| sequenceDepth(0), logger(buildLogger), |
| builder(spvVersion, (glslang::GetKhronosToolId() << 16) | glslang::GetSpirvGeneratorVersion(), logger), |
| inEntryPoint(false), entryPointTerminated(false), linkageOnly(false), |
| glslangIntermediate(glslangIntermediate) |
| { |
| spv::ExecutionModel executionModel = TranslateExecutionModel(glslangIntermediate->getStage()); |
| |
| builder.clearAccessChain(); |
| builder.setSource(TranslateSourceLanguage(glslangIntermediate->getSource(), glslangIntermediate->getProfile()), |
| glslangIntermediate->getVersion()); |
| |
| if (options.generateDebugInfo) { |
| builder.setEmitOpLines(); |
| builder.setSourceFile(glslangIntermediate->getSourceFile()); |
| |
| // Set the source shader's text. If for SPV version 1.0, include |
| // a preamble in comments stating the OpModuleProcessed instructions. |
| // Otherwise, emit those as actual instructions. |
| std::string text; |
| const std::vector<std::string>& processes = glslangIntermediate->getProcesses(); |
| for (int p = 0; p < (int)processes.size(); ++p) { |
| if (glslangIntermediate->getSpv().spv < glslang::EShTargetSpv_1_1) { |
| text.append("// OpModuleProcessed "); |
| text.append(processes[p]); |
| text.append("\n"); |
| } else |
| builder.addModuleProcessed(processes[p]); |
| } |
| if (glslangIntermediate->getSpv().spv < glslang::EShTargetSpv_1_1 && (int)processes.size() > 0) |
| text.append("#line 1\n"); |
| text.append(glslangIntermediate->getSourceText()); |
| builder.setSourceText(text); |
| } |
| stdBuiltins = builder.import("GLSL.std.450"); |
| if (glslangIntermediate->usingVulkanMemoryModel()) { |
| builder.setMemoryModel(spv::AddressingModelLogical, spv::MemoryModelVulkanKHR); |
| builder.addExtension(spv::E_SPV_KHR_vulkan_memory_model); |
| } else { |
| builder.setMemoryModel(spv::AddressingModelLogical, spv::MemoryModelGLSL450); |
| } |
| shaderEntry = builder.makeEntryPoint(glslangIntermediate->getEntryPointName().c_str()); |
| entryPoint = builder.addEntryPoint(executionModel, shaderEntry, glslangIntermediate->getEntryPointName().c_str()); |
| |
| // Add the source extensions |
| const auto& sourceExtensions = glslangIntermediate->getRequestedExtensions(); |
| for (auto it = sourceExtensions.begin(); it != sourceExtensions.end(); ++it) |
| builder.addSourceExtension(it->c_str()); |
| |
| // Add the top-level modes for this shader. |
| |
| if (glslangIntermediate->getXfbMode()) { |
| builder.addCapability(spv::CapabilityTransformFeedback); |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeXfb); |
| } |
| |
| unsigned int mode; |
| switch (glslangIntermediate->getStage()) { |
| case EShLangVertex: |
| builder.addCapability(spv::CapabilityShader); |
| break; |
| |
| case EShLangTessEvaluation: |
| case EShLangTessControl: |
| builder.addCapability(spv::CapabilityTessellation); |
| |
| glslang::TLayoutGeometry primitive; |
| |
| if (glslangIntermediate->getStage() == EShLangTessControl) { |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeOutputVertices, glslangIntermediate->getVertices()); |
| primitive = glslangIntermediate->getOutputPrimitive(); |
| } else { |
| primitive = glslangIntermediate->getInputPrimitive(); |
| } |
| |
| switch (primitive) { |
| case glslang::ElgTriangles: mode = spv::ExecutionModeTriangles; break; |
| case glslang::ElgQuads: mode = spv::ExecutionModeQuads; break; |
| case glslang::ElgIsolines: mode = spv::ExecutionModeIsolines; break; |
| default: mode = spv::ExecutionModeMax; break; |
| } |
| if (mode != spv::ExecutionModeMax) |
| builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode); |
| |
| switch (glslangIntermediate->getVertexSpacing()) { |
| case glslang::EvsEqual: mode = spv::ExecutionModeSpacingEqual; break; |
| case glslang::EvsFractionalEven: mode = spv::ExecutionModeSpacingFractionalEven; break; |
| case glslang::EvsFractionalOdd: mode = spv::ExecutionModeSpacingFractionalOdd; break; |
| default: mode = spv::ExecutionModeMax; break; |
| } |
| if (mode != spv::ExecutionModeMax) |
| builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode); |
| |
| switch (glslangIntermediate->getVertexOrder()) { |
| case glslang::EvoCw: mode = spv::ExecutionModeVertexOrderCw; break; |
| case glslang::EvoCcw: mode = spv::ExecutionModeVertexOrderCcw; break; |
| default: mode = spv::ExecutionModeMax; break; |
| } |
| if (mode != spv::ExecutionModeMax) |
| builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode); |
| |
| if (glslangIntermediate->getPointMode()) |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModePointMode); |
| break; |
| |
| case EShLangGeometry: |
| builder.addCapability(spv::CapabilityGeometry); |
| switch (glslangIntermediate->getInputPrimitive()) { |
| case glslang::ElgPoints: mode = spv::ExecutionModeInputPoints; break; |
| case glslang::ElgLines: mode = spv::ExecutionModeInputLines; break; |
| case glslang::ElgLinesAdjacency: mode = spv::ExecutionModeInputLinesAdjacency; break; |
| case glslang::ElgTriangles: mode = spv::ExecutionModeTriangles; break; |
| case glslang::ElgTrianglesAdjacency: mode = spv::ExecutionModeInputTrianglesAdjacency; break; |
| default: mode = spv::ExecutionModeMax; break; |
| } |
| if (mode != spv::ExecutionModeMax) |
| builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode); |
| |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeInvocations, glslangIntermediate->getInvocations()); |
| |
| switch (glslangIntermediate->getOutputPrimitive()) { |
| case glslang::ElgPoints: mode = spv::ExecutionModeOutputPoints; break; |
| case glslang::ElgLineStrip: mode = spv::ExecutionModeOutputLineStrip; break; |
| case glslang::ElgTriangleStrip: mode = spv::ExecutionModeOutputTriangleStrip; break; |
| default: mode = spv::ExecutionModeMax; break; |
| } |
| if (mode != spv::ExecutionModeMax) |
| builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode); |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeOutputVertices, glslangIntermediate->getVertices()); |
| break; |
| |
| case EShLangFragment: |
| builder.addCapability(spv::CapabilityShader); |
| if (glslangIntermediate->getPixelCenterInteger()) |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModePixelCenterInteger); |
| |
| if (glslangIntermediate->getOriginUpperLeft()) |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeOriginUpperLeft); |
| else |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeOriginLowerLeft); |
| |
| if (glslangIntermediate->getEarlyFragmentTests()) |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeEarlyFragmentTests); |
| |
| if (glslangIntermediate->getPostDepthCoverage()) { |
| builder.addCapability(spv::CapabilitySampleMaskPostDepthCoverage); |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModePostDepthCoverage); |
| builder.addExtension(spv::E_SPV_KHR_post_depth_coverage); |
| } |
| |
| switch(glslangIntermediate->getDepth()) { |
| case glslang::EldGreater: mode = spv::ExecutionModeDepthGreater; break; |
| case glslang::EldLess: mode = spv::ExecutionModeDepthLess; break; |
| default: mode = spv::ExecutionModeMax; break; |
| } |
| if (mode != spv::ExecutionModeMax) |
| builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode); |
| |
| if (glslangIntermediate->getDepth() != glslang::EldUnchanged && glslangIntermediate->isDepthReplacing()) |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeDepthReplacing); |
| break; |
| |
| case EShLangCompute: |
| builder.addCapability(spv::CapabilityShader); |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeLocalSize, glslangIntermediate->getLocalSize(0), |
| glslangIntermediate->getLocalSize(1), |
| glslangIntermediate->getLocalSize(2)); |
| #ifdef NV_EXTENSIONS |
| if (glslangIntermediate->getLayoutDerivativeModeNone() == glslang::LayoutDerivativeGroupQuads) { |
| builder.addCapability(spv::CapabilityComputeDerivativeGroupQuadsNV); |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeDerivativeGroupQuadsNV); |
| builder.addExtension(spv::E_SPV_NV_compute_shader_derivatives); |
| } else if (glslangIntermediate->getLayoutDerivativeModeNone() == glslang::LayoutDerivativeGroupLinear) { |
| builder.addCapability(spv::CapabilityComputeDerivativeGroupLinearNV); |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeDerivativeGroupLinearNV); |
| builder.addExtension(spv::E_SPV_NV_compute_shader_derivatives); |
| } |
| #endif |
| break; |
| |
| #ifdef NV_EXTENSIONS |
| case EShLangRayGenNV: |
| case EShLangIntersectNV: |
| case EShLangAnyHitNV: |
| case EShLangClosestHitNV: |
| case EShLangMissNV: |
| case EShLangCallableNV: |
| builder.addCapability(spv::CapabilityRayTracingNV); |
| builder.addExtension("SPV_NV_ray_tracing"); |
| break; |
| case EShLangTaskNV: |
| case EShLangMeshNV: |
| builder.addCapability(spv::CapabilityMeshShadingNV); |
| builder.addExtension(spv::E_SPV_NV_mesh_shader); |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeLocalSize, glslangIntermediate->getLocalSize(0), |
| glslangIntermediate->getLocalSize(1), |
| glslangIntermediate->getLocalSize(2)); |
| if (glslangIntermediate->getStage() == EShLangMeshNV) { |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeOutputVertices, glslangIntermediate->getVertices()); |
| builder.addExecutionMode(shaderEntry, spv::ExecutionModeOutputPrimitivesNV, glslangIntermediate->getPrimitives()); |
| |
| switch (glslangIntermediate->getOutputPrimitive()) { |
| case glslang::ElgPoints: mode = spv::ExecutionModeOutputPoints; break; |
| case glslang::ElgLines: mode = spv::ExecutionModeOutputLinesNV; break; |
| case glslang::ElgTriangles: mode = spv::ExecutionModeOutputTrianglesNV; break; |
| default: mode = spv::ExecutionModeMax; break; |
| } |
| if (mode != spv::ExecutionModeMax) |
| builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode); |
| } |
| break; |
| #endif |
| |
| default: |
| break; |
| } |
| } |
| |
| // Finish creating SPV, after the traversal is complete. |
| void TGlslangToSpvTraverser::finishSpv() |
| { |
| // Finish the entry point function |
| if (! entryPointTerminated) { |
| builder.setBuildPoint(shaderEntry->getLastBlock()); |
| builder.leaveFunction(); |
| } |
| |
| // finish off the entry-point SPV instruction by adding the Input/Output <id> |
| for (auto it = iOSet.cbegin(); it != iOSet.cend(); ++it) |
| entryPoint->addIdOperand(*it); |
| |
| // Add capabilities, extensions, remove unneeded decorations, etc., |
| // based on the resulting SPIR-V. |
| builder.postProcess(); |
| } |
| |
| // Write the SPV into 'out'. |
| void TGlslangToSpvTraverser::dumpSpv(std::vector<unsigned int>& out) |
| { |
| builder.dump(out); |
| } |
| |
| // |
| // Implement the traversal functions. |
| // |
| // Return true from interior nodes to have the external traversal |
| // continue on to children. Return false if children were |
| // already processed. |
| // |
| |
| // |
| // Symbols can turn into |
| // - uniform/input reads |
| // - output writes |
| // - complex lvalue base setups: foo.bar[3].... , where we see foo and start up an access chain |
| // - something simple that degenerates into the last bullet |
| // |
| void TGlslangToSpvTraverser::visitSymbol(glslang::TIntermSymbol* symbol) |
| { |
| SpecConstantOpModeGuard spec_constant_op_mode_setter(&builder); |
| if (symbol->getType().getQualifier().isSpecConstant()) |
| spec_constant_op_mode_setter.turnOnSpecConstantOpMode(); |
| |
| // getSymbolId() will set up all the IO decorations on the first call. |
| // Formal function parameters were mapped during makeFunctions(). |
| spv::Id id = getSymbolId(symbol); |
| |
| // Include all "static use" and "linkage only" interface variables on the OpEntryPoint instruction |
| if (builder.isPointer(id)) { |
| spv::StorageClass sc = builder.getStorageClass(id); |
| if (sc == spv::StorageClassInput || sc == spv::StorageClassOutput) { |
| if (!symbol->getType().isStruct() || symbol->getType().getStruct()->size() > 0) |
| iOSet.insert(id); |
| } |
| } |
| |
| // Only process non-linkage-only nodes for generating actual static uses |
| if (! linkageOnly || symbol->getQualifier().isSpecConstant()) { |
| // Prepare to generate code for the access |
| |
| // L-value chains will be computed left to right. We're on the symbol now, |
| // which is the left-most part of the access chain, so now is "clear" time, |
| // followed by setting the base. |
| builder.clearAccessChain(); |
| |
| // For now, we consider all user variables as being in memory, so they are pointers, |
| // except for |
| // A) R-Value arguments to a function, which are an intermediate object. |
| // See comments in handleUserFunctionCall(). |
| // B) Specialization constants (normal constants don't even come in as a variable), |
| // These are also pure R-values. |
| glslang::TQualifier qualifier = symbol->getQualifier(); |
| if (qualifier.isSpecConstant() || rValueParameters.find(symbol->getId()) != rValueParameters.end()) |
| builder.setAccessChainRValue(id); |
| else |
| builder.setAccessChainLValue(id); |
| } |
| |
| // Process linkage-only nodes for any special additional interface work. |
| if (linkageOnly) { |
| if (glslangIntermediate->getHlslFunctionality1()) { |
| // Map implicit counter buffers to their originating buffers, which should have been |
| // seen by now, given earlier pruning of unused counters, and preservation of order |
| // of declaration. |
| if (symbol->getType().getQualifier().isUniformOrBuffer()) { |
| if (!glslangIntermediate->hasCounterBufferName(symbol->getName())) { |
| // Save possible originating buffers for counter buffers, keyed by |
| // making the potential counter-buffer name. |
| std::string keyName = symbol->getName().c_str(); |
| keyName = glslangIntermediate->addCounterBufferName(keyName); |
| counterOriginator[keyName] = symbol; |
| } else { |
| // Handle a counter buffer, by finding the saved originating buffer. |
| std::string keyName = symbol->getName().c_str(); |
| auto it = counterOriginator.find(keyName); |
| if (it != counterOriginator.end()) { |
| id = getSymbolId(it->second); |
| if (id != spv::NoResult) { |
| spv::Id counterId = getSymbolId(symbol); |
| if (counterId != spv::NoResult) { |
| builder.addExtension("SPV_GOOGLE_hlsl_functionality1"); |
| builder.addDecorationId(id, spv::DecorationHlslCounterBufferGOOGLE, counterId); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::TIntermBinary* node) |
| { |
| builder.setLine(node->getLoc().line); |
| |
| SpecConstantOpModeGuard spec_constant_op_mode_setter(&builder); |
| if (node->getType().getQualifier().isSpecConstant()) |
| spec_constant_op_mode_setter.turnOnSpecConstantOpMode(); |
| |
| // First, handle special cases |
| switch (node->getOp()) { |
| case glslang::EOpAssign: |
| case glslang::EOpAddAssign: |
| case glslang::EOpSubAssign: |
| case glslang::EOpMulAssign: |
| case glslang::EOpVectorTimesMatrixAssign: |
| case glslang::EOpVectorTimesScalarAssign: |
| case glslang::EOpMatrixTimesScalarAssign: |
| case glslang::EOpMatrixTimesMatrixAssign: |
| case glslang::EOpDivAssign: |
| case glslang::EOpModAssign: |
| case glslang::EOpAndAssign: |
| case glslang::EOpInclusiveOrAssign: |
| case glslang::EOpExclusiveOrAssign: |
| case glslang::EOpLeftShiftAssign: |
| case glslang::EOpRightShiftAssign: |
| // A bin-op assign "a += b" means the same thing as "a = a + b" |
| // where a is evaluated before b. For a simple assignment, GLSL |
| // says to evaluate the left before the right. So, always, left |
| // node then right node. |
| { |
| // get the left l-value, save it away |
| builder.clearAccessChain(); |
| node->getLeft()->traverse(this); |
| spv::Builder::AccessChain lValue = builder.getAccessChain(); |
| |
| // evaluate the right |
| builder.clearAccessChain(); |
| node->getRight()->traverse(this); |
| spv::Id rValue = accessChainLoad(node->getRight()->getType()); |
| |
| if (node->getOp() != glslang::EOpAssign) { |
| // the left is also an r-value |
| builder.setAccessChain(lValue); |
| spv::Id leftRValue = accessChainLoad(node->getLeft()->getType()); |
| |
| // do the operation |
| OpDecorations decorations = { TranslatePrecisionDecoration(node->getOperationPrecision()), |
| TranslateNoContractionDecoration(node->getType().getQualifier()), |
| TranslateNonUniformDecoration(node->getType().getQualifier()) }; |
| rValue = createBinaryOperation(node->getOp(), decorations, |
| convertGlslangToSpvType(node->getType()), leftRValue, rValue, |
| node->getType().getBasicType()); |
| |
| // these all need their counterparts in createBinaryOperation() |
| assert(rValue != spv::NoResult); |
| } |
| |
| // store the result |
| builder.setAccessChain(lValue); |
| multiTypeStore(node->getLeft()->getType(), rValue); |
| |
| // assignments are expressions having an rValue after they are evaluated... |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(rValue); |
| } |
| return false; |
| case glslang::EOpIndexDirect: |
| case glslang::EOpIndexDirectStruct: |
| { |
| // Get the left part of the access chain. |
| node->getLeft()->traverse(this); |
| |
| // Add the next element in the chain |
| |
| const int glslangIndex = node->getRight()->getAsConstantUnion()->getConstArray()[0].getIConst(); |
| if (! node->getLeft()->getType().isArray() && |
| node->getLeft()->getType().isVector() && |
| node->getOp() == glslang::EOpIndexDirect) { |
| // This is essentially a hard-coded vector swizzle of size 1, |
| // so short circuit the access-chain stuff with a swizzle. |
| std::vector<unsigned> swizzle; |
| swizzle.push_back(glslangIndex); |
| builder.accessChainPushSwizzle(swizzle, convertGlslangToSpvType(node->getLeft()->getType())); |
| } else { |
| int spvIndex = glslangIndex; |
| if (node->getLeft()->getBasicType() == glslang::EbtBlock && |
| node->getOp() == glslang::EOpIndexDirectStruct) |
| { |
| // This may be, e.g., an anonymous block-member selection, which generally need |
| // index remapping due to hidden members in anonymous blocks. |
| std::vector<int>& remapper = memberRemapper[node->getLeft()->getType().getStruct()]; |
| assert(remapper.size() > 0); |
| spvIndex = remapper[glslangIndex]; |
| } |
| |
| // normal case for indexing array or structure or block |
| builder.accessChainPush(builder.makeIntConstant(spvIndex), TranslateCoherent(node->getLeft()->getType())); |
| |
| // Add capabilities here for accessing PointSize and clip/cull distance. |
| // We have deferred generation of associated capabilities until now. |
| if (node->getLeft()->getType().isStruct() && ! node->getLeft()->getType().isArray()) |
| declareUseOfStructMember(*(node->getLeft()->getType().getStruct()), glslangIndex); |
| } |
| } |
| return false; |
| case glslang::EOpIndexIndirect: |
| { |
| // Structure or array or vector indirection. |
| // Will use native SPIR-V access-chain for struct and array indirection; |
| // matrices are arrays of vectors, so will also work for a matrix. |
| // Will use the access chain's 'component' for variable index into a vector. |
| |
| // This adapter is building access chains left to right. |
| // Set up the access chain to the left. |
| node->getLeft()->traverse(this); |
| |
| // save it so that computing the right side doesn't trash it |
| spv::Builder::AccessChain partial = builder.getAccessChain(); |
| |
| // compute the next index in the chain |
| builder.clearAccessChain(); |
| node->getRight()->traverse(this); |
| spv::Id index = accessChainLoad(node->getRight()->getType()); |
| |
| addIndirectionIndexCapabilities(node->getLeft()->getType(), node->getRight()->getType()); |
| |
| // restore the saved access chain |
| builder.setAccessChain(partial); |
| |
| if (! node->getLeft()->getType().isArray() && node->getLeft()->getType().isVector()) |
| builder.accessChainPushComponent(index, convertGlslangToSpvType(node->getLeft()->getType())); |
| else |
| builder.accessChainPush(index, TranslateCoherent(node->getLeft()->getType())); |
| } |
| return false; |
| case glslang::EOpVectorSwizzle: |
| { |
| node->getLeft()->traverse(this); |
| std::vector<unsigned> swizzle; |
| convertSwizzle(*node->getRight()->getAsAggregate(), swizzle); |
| builder.accessChainPushSwizzle(swizzle, convertGlslangToSpvType(node->getLeft()->getType())); |
| } |
| return false; |
| case glslang::EOpMatrixSwizzle: |
| logger->missingFunctionality("matrix swizzle"); |
| return true; |
| case glslang::EOpLogicalOr: |
| case glslang::EOpLogicalAnd: |
| { |
| |
| // These may require short circuiting, but can sometimes be done as straight |
| // binary operations. The right operand must be short circuited if it has |
| // side effects, and should probably be if it is complex. |
| if (isTrivial(node->getRight()->getAsTyped())) |
| break; // handle below as a normal binary operation |
| // otherwise, we need to do dynamic short circuiting on the right operand |
| spv::Id result = createShortCircuit(node->getOp(), *node->getLeft()->getAsTyped(), *node->getRight()->getAsTyped()); |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(result); |
| } |
| return false; |
| default: |
| break; |
| } |
| |
| // Assume generic binary op... |
| |
| // get right operand |
| builder.clearAccessChain(); |
| node->getLeft()->traverse(this); |
| spv::Id left = accessChainLoad(node->getLeft()->getType()); |
| |
| // get left operand |
| builder.clearAccessChain(); |
| node->getRight()->traverse(this); |
| spv::Id right = accessChainLoad(node->getRight()->getType()); |
| |
| // get result |
| OpDecorations decorations = { TranslatePrecisionDecoration(node->getOperationPrecision()), |
| TranslateNoContractionDecoration(node->getType().getQualifier()), |
| TranslateNonUniformDecoration(node->getType().getQualifier()) }; |
| spv::Id result = createBinaryOperation(node->getOp(), decorations, |
| convertGlslangToSpvType(node->getType()), left, right, |
| node->getLeft()->getType().getBasicType()); |
| |
| builder.clearAccessChain(); |
| if (! result) { |
| logger->missingFunctionality("unknown glslang binary operation"); |
| return true; // pick up a child as the place-holder result |
| } else { |
| builder.setAccessChainRValue(result); |
| return false; |
| } |
| } |
| |
| bool TGlslangToSpvTraverser::visitUnary(glslang::TVisit /* visit */, glslang::TIntermUnary* node) |
| { |
| builder.setLine(node->getLoc().line); |
| |
| SpecConstantOpModeGuard spec_constant_op_mode_setter(&builder); |
| if (node->getType().getQualifier().isSpecConstant()) |
| spec_constant_op_mode_setter.turnOnSpecConstantOpMode(); |
| |
| spv::Id result = spv::NoResult; |
| |
| // try texturing first |
| result = createImageTextureFunctionCall(node); |
| if (result != spv::NoResult) { |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(result); |
| |
| return false; // done with this node |
| } |
| |
| // Non-texturing. |
| |
| if (node->getOp() == glslang::EOpArrayLength) { |
| // Quite special; won't want to evaluate the operand. |
| |
| // Currently, the front-end does not allow .length() on an array until it is sized, |
| // except for the last block membeor of an SSBO. |
| // TODO: If this changes, link-time sized arrays might show up here, and need their |
| // size extracted. |
| |
| // Normal .length() would have been constant folded by the front-end. |
| // So, this has to be block.lastMember.length(). |
| // SPV wants "block" and member number as the operands, go get them. |
| |
| glslang::TIntermTyped* block = node->getOperand()->getAsBinaryNode()->getLeft(); |
| block->traverse(this); |
| unsigned int member = node->getOperand()->getAsBinaryNode()->getRight()->getAsConstantUnion()->getConstArray()[0].getUConst(); |
| spv::Id length = builder.createArrayLength(builder.accessChainGetLValue(), member); |
| |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(length); |
| |
| return false; |
| } |
| |
| // Start by evaluating the operand |
| |
| // Does it need a swizzle inversion? If so, evaluation is inverted; |
| // operate first on the swizzle base, then apply the swizzle. |
| spv::Id invertedType = spv::NoType; |
| auto resultType = [&invertedType, &node, this](){ return invertedType != spv::NoType ? invertedType : convertGlslangToSpvType(node->getType()); }; |
| if (node->getOp() == glslang::EOpInterpolateAtCentroid) |
| invertedType = getInvertedSwizzleType(*node->getOperand()); |
| |
| builder.clearAccessChain(); |
| if (invertedType != spv::NoType) |
| node->getOperand()->getAsBinaryNode()->getLeft()->traverse(this); |
| else |
| node->getOperand()->traverse(this); |
| |
| spv::Id operand = spv::NoResult; |
| |
| if (node->getOp() == glslang::EOpAtomicCounterIncrement || |
| node->getOp() == glslang::EOpAtomicCounterDecrement || |
| node->getOp() == glslang::EOpAtomicCounter || |
| node->getOp() == glslang::EOpInterpolateAtCentroid) |
| operand = builder.accessChainGetLValue(); // Special case l-value operands |
| else |
| operand = accessChainLoad(node->getOperand()->getType()); |
| |
| OpDecorations decorations = { TranslatePrecisionDecoration(node->getOperationPrecision()), |
| TranslateNoContractionDecoration(node->getType().getQualifier()), |
| TranslateNonUniformDecoration(node->getType().getQualifier()) }; |
| |
| // it could be a conversion |
| if (! result) |
| result = createConversion(node->getOp(), decorations, resultType(), operand, node->getOperand()->getBasicType()); |
| |
| // if not, then possibly an operation |
| if (! result) |
| result = createUnaryOperation(node->getOp(), decorations, resultType(), operand, node->getOperand()->getBasicType()); |
| |
| if (result) { |
| if (invertedType) { |
| result = createInvertedSwizzle(decorations.precision, *node->getOperand(), result); |
| builder.addDecoration(result, decorations.nonUniform); |
| } |
| |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(result); |
| |
| return false; // done with this node |
| } |
| |
| // it must be a special case, check... |
| switch (node->getOp()) { |
| case glslang::EOpPostIncrement: |
| case glslang::EOpPostDecrement: |
| case glslang::EOpPreIncrement: |
| case glslang::EOpPreDecrement: |
| { |
| // we need the integer value "1" or the floating point "1.0" to add/subtract |
| spv::Id one = 0; |
| if (node->getBasicType() == glslang::EbtFloat) |
| one = builder.makeFloatConstant(1.0F); |
| else if (node->getBasicType() == glslang::EbtDouble) |
| one = builder.makeDoubleConstant(1.0); |
| else if (node->getBasicType() == glslang::EbtFloat16) |
| one = builder.makeFloat16Constant(1.0F); |
| else if (node->getBasicType() == glslang::EbtInt8 || node->getBasicType() == glslang::EbtUint8) |
| one = builder.makeInt8Constant(1); |
| else if (node->getBasicType() == glslang::EbtInt16 || node->getBasicType() == glslang::EbtUint16) |
| one = builder.makeInt16Constant(1); |
| else if (node->getBasicType() == glslang::EbtInt64 || node->getBasicType() == glslang::EbtUint64) |
| one = builder.makeInt64Constant(1); |
| else |
| one = builder.makeIntConstant(1); |
| glslang::TOperator op; |
| if (node->getOp() == glslang::EOpPreIncrement || |
| node->getOp() == glslang::EOpPostIncrement) |
| op = glslang::EOpAdd; |
| else |
| op = glslang::EOpSub; |
| |
| spv::Id result = createBinaryOperation(op, decorations, |
| convertGlslangToSpvType(node->getType()), operand, one, |
| node->getType().getBasicType()); |
| assert(result != spv::NoResult); |
| |
| // The result of operation is always stored, but conditionally the |
| // consumed result. The consumed result is always an r-value. |
| builder.accessChainStore(result); |
| builder.clearAccessChain(); |
| if (node->getOp() == glslang::EOpPreIncrement || |
| node->getOp() == glslang::EOpPreDecrement) |
| builder.setAccessChainRValue(result); |
| else |
| builder.setAccessChainRValue(operand); |
| } |
| |
| return false; |
| |
| case glslang::EOpEmitStreamVertex: |
| builder.createNoResultOp(spv::OpEmitStreamVertex, operand); |
| return false; |
| case glslang::EOpEndStreamPrimitive: |
| builder.createNoResultOp(spv::OpEndStreamPrimitive, operand); |
| return false; |
| |
| default: |
| logger->missingFunctionality("unknown glslang unary"); |
| return true; // pick up operand as placeholder result |
| } |
| } |
| |
| bool TGlslangToSpvTraverser::visitAggregate(glslang::TVisit visit, glslang::TIntermAggregate* node) |
| { |
| SpecConstantOpModeGuard spec_constant_op_mode_setter(&builder); |
| if (node->getType().getQualifier().isSpecConstant()) |
| spec_constant_op_mode_setter.turnOnSpecConstantOpMode(); |
| |
| spv::Id result = spv::NoResult; |
| spv::Id invertedType = spv::NoType; // to use to override the natural type of the node |
| auto resultType = [&invertedType, &node, this](){ return invertedType != spv::NoType ? invertedType : convertGlslangToSpvType(node->getType()); }; |
| |
| // try texturing |
| result = createImageTextureFunctionCall(node); |
| if (result != spv::NoResult) { |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(result); |
| |
| return false; |
| } else if (node->getOp() == glslang::EOpImageStore || |
| #ifdef AMD_EXTENSIONS |
| node->getOp() == glslang::EOpImageStoreLod || |
| #endif |
| node->getOp() == glslang::EOpImageAtomicStore) { |
| // "imageStore" is a special case, which has no result |
| return false; |
| } |
| |
| glslang::TOperator binOp = glslang::EOpNull; |
| bool reduceComparison = true; |
| bool isMatrix = false; |
| bool noReturnValue = false; |
| bool atomic = false; |
| |
| assert(node->getOp()); |
| |
| spv::Decoration precision = TranslatePrecisionDecoration(node->getOperationPrecision()); |
| |
| switch (node->getOp()) { |
| case glslang::EOpSequence: |
| { |
| if (preVisit) |
| ++sequenceDepth; |
| else |
| --sequenceDepth; |
| |
| if (sequenceDepth == 1) { |
| // If this is the parent node of all the functions, we want to see them |
| // early, so all call points have actual SPIR-V functions to reference. |
| // In all cases, still let the traverser visit the children for us. |
| makeFunctions(node->getAsAggregate()->getSequence()); |
| |
| // Also, we want all globals initializers to go into the beginning of the entry point, before |
| // anything else gets there, so visit out of order, doing them all now. |
| makeGlobalInitializers(node->getAsAggregate()->getSequence()); |
| |
| // Initializers are done, don't want to visit again, but functions and link objects need to be processed, |
| // so do them manually. |
| visitFunctions(node->getAsAggregate()->getSequence()); |
| |
| return false; |
| } |
| |
| return true; |
| } |
| case glslang::EOpLinkerObjects: |
| { |
| if (visit == glslang::EvPreVisit) |
| linkageOnly = true; |
| else |
| linkageOnly = false; |
| |
| return true; |
| } |
| case glslang::EOpComma: |
| { |
| // processing from left to right naturally leaves the right-most |
| // lying around in the access chain |
| glslang::TIntermSequence& glslangOperands = node->getSequence(); |
| for (int i = 0; i < (int)glslangOperands.size(); ++i) |
| glslangOperands[i]->traverse(this); |
| |
| return false; |
| } |
| case glslang::EOpFunction: |
| if (visit == glslang::EvPreVisit) { |
| if (isShaderEntryPoint(node)) { |
| inEntryPoint = true; |
| builder.setBuildPoint(shaderEntry->getLastBlock()); |
| currentFunction = shaderEntry; |
| } else { |
| handleFunctionEntry(node); |
| } |
| } else { |
| if (inEntryPoint) |
| entryPointTerminated = true; |
| builder.leaveFunction(); |
| inEntryPoint = false; |
| } |
| |
| return true; |
| case glslang::EOpParameters: |
| // Parameters will have been consumed by EOpFunction processing, but not |
| // the body, so we still visited the function node's children, making this |
| // child redundant. |
| return false; |
| case glslang::EOpFunctionCall: |
| { |
| builder.setLine(node->getLoc().line); |
| if (node->isUserDefined()) |
| result = handleUserFunctionCall(node); |
| // assert(result); // this can happen for bad shaders because the call graph completeness checking is not yet done |
| if (result) { |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(result); |
| } else |
| logger->missingFunctionality("missing user function; linker needs to catch that"); |
| |
| return false; |
| } |
| case glslang::EOpConstructMat2x2: |
| case glslang::EOpConstructMat2x3: |
| case glslang::EOpConstructMat2x4: |
| case glslang::EOpConstructMat3x2: |
| case glslang::EOpConstructMat3x3: |
| case glslang::EOpConstructMat3x4: |
| case glslang::EOpConstructMat4x2: |
| case glslang::EOpConstructMat4x3: |
| case glslang::EOpConstructMat4x4: |
| case glslang::EOpConstructDMat2x2: |
| case glslang::EOpConstructDMat2x3: |
| case glslang::EOpConstructDMat2x4: |
| case glslang::EOpConstructDMat3x2: |
| case glslang::EOpConstructDMat3x3: |
| case glslang::EOpConstructDMat3x4: |
| case glslang::EOpConstructDMat4x2: |
| case glslang::EOpConstructDMat4x3: |
| case glslang::EOpConstructDMat4x4: |
| case glslang::EOpConstructIMat2x2: |
| case glslang::EOpConstructIMat2x3: |
| case glslang::EOpConstructIMat2x4: |
| case glslang::EOpConstructIMat3x2: |
| case glslang::EOpConstructIMat3x3: |
| case glslang::EOpConstructIMat3x4: |
| case glslang::EOpConstructIMat4x2: |
| case glslang::EOpConstructIMat4x3: |
| case glslang::EOpConstructIMat4x4: |
| case glslang::EOpConstructUMat2x2: |
| case glslang::EOpConstructUMat2x3: |
| case glslang::EOpConstructUMat2x4: |
| case glslang::EOpConstructUMat3x2: |
| case glslang::EOpConstructUMat3x3: |
| case glslang::EOpConstructUMat3x4: |
| case glslang::EOpConstructUMat4x2: |
| case glslang::EOpConstructUMat4x3: |
| case glslang::EOpConstructUMat4x4: |
| case glslang::EOpConstructBMat2x2: |
| case glslang::EOpConstructBMat2x3: |
| case glslang::EOpConstructBMat2x4: |
| case glslang::EOpConstructBMat3x2: |
| case glslang::EOpConstructBMat3x3: |
| case glslang::EOpConstructBMat3x4: |
| case glslang::EOpConstructBMat4x2: |
| case glslang::EOpConstructBMat4x3: |
| case glslang::EOpConstructBMat4x4: |
| case glslang::EOpConstructF16Mat2x2: |
| case glslang::EOpConstructF16Mat2x3: |
| case glslang::EOpConstructF16Mat2x4: |
| case glslang::EOpConstructF16Mat3x2: |
| case glslang::EOpConstructF16Mat3x3: |
| case glslang::EOpConstructF16Mat3x4: |
| case glslang::EOpConstructF16Mat4x2: |
| case glslang::EOpConstructF16Mat4x3: |
| case glslang::EOpConstructF16Mat4x4: |
| isMatrix = true; |
| // fall through |
| case glslang::EOpConstructFloat: |
| case glslang::EOpConstructVec2: |
| case glslang::EOpConstructVec3: |
| case glslang::EOpConstructVec4: |
| case glslang::EOpConstructDouble: |
| case glslang::EOpConstructDVec2: |
| case glslang::EOpConstructDVec3: |
| case glslang::EOpConstructDVec4: |
| case glslang::EOpConstructFloat16: |
| case glslang::EOpConstructF16Vec2: |
| case glslang::EOpConstructF16Vec3: |
| case glslang::EOpConstructF16Vec4: |
| case glslang::EOpConstructBool: |
| case glslang::EOpConstructBVec2: |
| case glslang::EOpConstructBVec3: |
| case glslang::EOpConstructBVec4: |
| case glslang::EOpConstructInt8: |
| case glslang::EOpConstructI8Vec2: |
| case glslang::EOpConstructI8Vec3: |
| case glslang::EOpConstructI8Vec4: |
| case glslang::EOpConstructUint8: |
| case glslang::EOpConstructU8Vec2: |
| case glslang::EOpConstructU8Vec3: |
| case glslang::EOpConstructU8Vec4: |
| case glslang::EOpConstructInt16: |
| case glslang::EOpConstructI16Vec2: |
| case glslang::EOpConstructI16Vec3: |
| case glslang::EOpConstructI16Vec4: |
| case glslang::EOpConstructUint16: |
| case glslang::EOpConstructU16Vec2: |
| case glslang::EOpConstructU16Vec3: |
| case glslang::EOpConstructU16Vec4: |
| case glslang::EOpConstructInt: |
| case glslang::EOpConstructIVec2: |
| case glslang::EOpConstructIVec3: |
| case glslang::EOpConstructIVec4: |
| case glslang::EOpConstructUint: |
| case glslang::EOpConstructUVec2: |
| case glslang::EOpConstructUVec3: |
| case glslang::EOpConstructUVec4: |
| case glslang::EOpConstructInt64: |
| case glslang::EOpConstructI64Vec2: |
| case glslang::EOpConstructI64Vec3: |
| case glslang::EOpConstructI64Vec4: |
| case glslang::EOpConstructUint64: |
| case glslang::EOpConstructU64Vec2: |
| case glslang::EOpConstructU64Vec3: |
| case glslang::EOpConstructU64Vec4: |
| case glslang::EOpConstructStruct: |
| case glslang::EOpConstructTextureSampler: |
| { |
| builder.setLine(node->getLoc().line); |
| std::vector<spv::Id> arguments; |
| translateArguments(*node, arguments); |
| spv::Id constructed; |
| if (node->getOp() == glslang::EOpConstructTextureSampler) |
| constructed = builder.createOp(spv::OpSampledImage, resultType(), arguments); |
| else if (node->getOp() == glslang::EOpConstructStruct || node->getType().isArray()) { |
| std::vector<spv::Id> constituents; |
| for (int c = 0; c < (int)arguments.size(); ++c) |
| constituents.push_back(arguments[c]); |
| constructed = builder.createCompositeConstruct(resultType(), constituents); |
| } else if (isMatrix) |
| constructed = builder.createMatrixConstructor(precision, arguments, resultType()); |
| else |
| constructed = builder.createConstructor(precision, arguments, resultType()); |
| |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(constructed); |
| |
| return false; |
| } |
| |
| // These six are component-wise compares with component-wise results. |
| // Forward on to createBinaryOperation(), requesting a vector result. |
| case glslang::EOpLessThan: |
| case glslang::EOpGreaterThan: |
| case glslang::EOpLessThanEqual: |
| case glslang::EOpGreaterThanEqual: |
| case glslang::EOpVectorEqual: |
| case glslang::EOpVectorNotEqual: |
| { |
| // Map the operation to a binary |
| binOp = node->getOp(); |
| reduceComparison = false; |
| switch (node->getOp()) { |
| case glslang::EOpVectorEqual: binOp = glslang::EOpVectorEqual; break; |
| case glslang::EOpVectorNotEqual: binOp = glslang::EOpVectorNotEqual; break; |
| default: binOp = node->getOp(); break; |
| } |
| |
| break; |
| } |
| case glslang::EOpMul: |
| // component-wise matrix multiply |
| binOp = glslang::EOpMul; |
| break; |
| case glslang::EOpOuterProduct: |
| // two vectors multiplied to make a matrix |
| binOp = glslang::EOpOuterProduct; |
| break; |
| case glslang::EOpDot: |
| { |
| // for scalar dot product, use multiply |
| glslang::TIntermSequence& glslangOperands = node->getSequence(); |
| if (glslangOperands[0]->getAsTyped()->getVectorSize() == 1) |
| binOp = glslang::EOpMul; |
| break; |
| } |
| case glslang::EOpMod: |
| // when an aggregate, this is the floating-point mod built-in function, |
| // which can be emitted by the one in createBinaryOperation() |
| binOp = glslang::EOpMod; |
| break; |
| case glslang::EOpEmitVertex: |
| case glslang::EOpEndPrimitive: |
| case glslang::EOpBarrier: |
| case glslang::EOpMemoryBarrier: |
| case glslang::EOpMemoryBarrierAtomicCounter: |
| case glslang::EOpMemoryBarrierBuffer: |
| case glslang::EOpMemoryBarrierImage: |
| case glslang::EOpMemoryBarrierShared: |
| case glslang::EOpGroupMemoryBarrier: |
| case glslang::EOpDeviceMemoryBarrier: |
| case glslang::EOpAllMemoryBarrierWithGroupSync: |
| case glslang::EOpDeviceMemoryBarrierWithGroupSync: |
| case glslang::EOpWorkgroupMemoryBarrier: |
| case glslang::EOpWorkgroupMemoryBarrierWithGroupSync: |
| case glslang::EOpSubgroupBarrier: |
| case glslang::EOpSubgroupMemoryBarrier: |
| case glslang::EOpSubgroupMemoryBarrierBuffer: |
| case glslang::EOpSubgroupMemoryBarrierImage: |
| case glslang::EOpSubgroupMemoryBarrierShared: |
| noReturnValue = true; |
| // These all have 0 operands and will naturally finish up in the code below for 0 operands |
| break; |
| |
| case glslang::EOpAtomicStore: |
| noReturnValue = true; |
| // fallthrough |
| case glslang::EOpAtomicLoad: |
| case glslang::EOpAtomicAdd: |
| case glslang::EOpAtomicMin: |
| case glslang::EOpAtomicMax: |
| case glslang::EOpAtomicAnd: |
| case glslang::EOpAtomicOr: |
| case glslang::EOpAtomicXor: |
| case glslang::EOpAtomicExchange: |
| case glslang::EOpAtomicCompSwap: |
| atomic = true; |
| break; |
| |
| case glslang::EOpAtomicCounterAdd: |
| case glslang::EOpAtomicCounterSubtract: |
| case glslang::EOpAtomicCounterMin: |
| case glslang::EOpAtomicCounterMax: |
| case glslang::EOpAtomicCounterAnd: |
| case glslang::EOpAtomicCounterOr: |
| case glslang::EOpAtomicCounterXor: |
| case glslang::EOpAtomicCounterExchange: |
| case glslang::EOpAtomicCounterCompSwap: |
| builder.addExtension("SPV_KHR_shader_atomic_counter_ops"); |
| builder.addCapability(spv::CapabilityAtomicStorageOps); |
| atomic = true; |
| break; |
| |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpIgnoreIntersectionNV: |
| case glslang::EOpTerminateRayNV: |
| case glslang::EOpTraceNV: |
| case glslang::EOpExecuteCallableNV: |
| case glslang::EOpWritePackedPrimitiveIndices4x8NV: |
| noReturnValue = true; |
| break; |
| #endif |
| |
| default: |
| break; |
| } |
| |
| // |
| // See if it maps to a regular operation. |
| // |
| if (binOp != glslang::EOpNull) { |
| glslang::TIntermTyped* left = node->getSequence()[0]->getAsTyped(); |
| glslang::TIntermTyped* right = node->getSequence()[1]->getAsTyped(); |
| assert(left && right); |
| |
| builder.clearAccessChain(); |
| left->traverse(this); |
| spv::Id leftId = accessChainLoad(left->getType()); |
| |
| builder.clearAccessChain(); |
| right->traverse(this); |
| spv::Id rightId = accessChainLoad(right->getType()); |
| |
| builder.setLine(node->getLoc().line); |
| OpDecorations decorations = { precision, |
| TranslateNoContractionDecoration(node->getType().getQualifier()), |
| TranslateNonUniformDecoration(node->getType().getQualifier()) }; |
| result = createBinaryOperation(binOp, decorations, |
| resultType(), leftId, rightId, |
| left->getType().getBasicType(), reduceComparison); |
| |
| // code above should only make binOp that exists in createBinaryOperation |
| assert(result != spv::NoResult); |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(result); |
| |
| return false; |
| } |
| |
| // |
| // Create the list of operands. |
| // |
| glslang::TIntermSequence& glslangOperands = node->getSequence(); |
| std::vector<spv::Id> operands; |
| for (int arg = 0; arg < (int)glslangOperands.size(); ++arg) { |
| // special case l-value operands; there are just a few |
| bool lvalue = false; |
| switch (node->getOp()) { |
| case glslang::EOpFrexp: |
| case glslang::EOpModf: |
| if (arg == 1) |
| lvalue = true; |
| break; |
| case glslang::EOpInterpolateAtSample: |
| case glslang::EOpInterpolateAtOffset: |
| #ifdef AMD_EXTENSIONS |
| case glslang::EOpInterpolateAtVertex: |
| #endif |
| if (arg == 0) { |
| lvalue = true; |
| |
| // Does it need a swizzle inversion? If so, evaluation is inverted; |
| // operate first on the swizzle base, then apply the swizzle. |
| if (glslangOperands[0]->getAsOperator() && |
| glslangOperands[0]->getAsOperator()->getOp() == glslang::EOpVectorSwizzle) |
| invertedType = convertGlslangToSpvType(glslangOperands[0]->getAsBinaryNode()->getLeft()->getType()); |
| } |
| break; |
| case glslang::EOpAtomicAdd: |
| case glslang::EOpAtomicMin: |
| case glslang::EOpAtomicMax: |
| case glslang::EOpAtomicAnd: |
| case glslang::EOpAtomicOr: |
| case glslang::EOpAtomicXor: |
| case glslang::EOpAtomicExchange: |
| case glslang::EOpAtomicCompSwap: |
| case glslang::EOpAtomicLoad: |
| case glslang::EOpAtomicStore: |
| case glslang::EOpAtomicCounterAdd: |
| case glslang::EOpAtomicCounterSubtract: |
| case glslang::EOpAtomicCounterMin: |
| case glslang::EOpAtomicCounterMax: |
| case glslang::EOpAtomicCounterAnd: |
| case glslang::EOpAtomicCounterOr: |
| case glslang::EOpAtomicCounterXor: |
| case glslang::EOpAtomicCounterExchange: |
| case glslang::EOpAtomicCounterCompSwap: |
| if (arg == 0) |
| lvalue = true; |
| break; |
| case glslang::EOpAddCarry: |
| case glslang::EOpSubBorrow: |
| if (arg == 2) |
| lvalue = true; |
| break; |
| case glslang::EOpUMulExtended: |
| case glslang::EOpIMulExtended: |
| if (arg >= 2) |
| lvalue = true; |
| break; |
| default: |
| break; |
| } |
| builder.clearAccessChain(); |
| if (invertedType != spv::NoType && arg == 0) |
| glslangOperands[0]->getAsBinaryNode()->getLeft()->traverse(this); |
| else |
| glslangOperands[arg]->traverse(this); |
| if (lvalue) |
| operands.push_back(builder.accessChainGetLValue()); |
| else { |
| builder.setLine(node->getLoc().line); |
| operands.push_back(accessChainLoad(glslangOperands[arg]->getAsTyped()->getType())); |
| } |
| } |
| |
| builder.setLine(node->getLoc().line); |
| if (atomic) { |
| // Handle all atomics |
| result = createAtomicOperation(node->getOp(), precision, resultType(), operands, node->getBasicType()); |
| } else { |
| // Pass through to generic operations. |
| switch (glslangOperands.size()) { |
| case 0: |
| result = createNoArgOperation(node->getOp(), precision, resultType()); |
| break; |
| case 1: |
| { |
| OpDecorations decorations = { precision, |
| TranslateNoContractionDecoration(node->getType().getQualifier()), |
| TranslateNonUniformDecoration(node->getType().getQualifier()) }; |
| result = createUnaryOperation( |
| node->getOp(), decorations, |
| resultType(), operands.front(), |
| glslangOperands[0]->getAsTyped()->getBasicType()); |
| } |
| break; |
| default: |
| result = createMiscOperation(node->getOp(), precision, resultType(), operands, node->getBasicType()); |
| break; |
| } |
| if (invertedType) |
| result = createInvertedSwizzle(precision, *glslangOperands[0]->getAsBinaryNode(), result); |
| } |
| |
| if (noReturnValue) |
| return false; |
| |
| if (! result) { |
| logger->missingFunctionality("unknown glslang aggregate"); |
| return true; // pick up a child as a placeholder operand |
| } else { |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(result); |
| return false; |
| } |
| } |
| |
| // This path handles both if-then-else and ?: |
| // The if-then-else has a node type of void, while |
| // ?: has either a void or a non-void node type |
| // |
| // Leaving the result, when not void: |
| // GLSL only has r-values as the result of a :?, but |
| // if we have an l-value, that can be more efficient if it will |
| // become the base of a complex r-value expression, because the |
| // next layer copies r-values into memory to use the access-chain mechanism |
| bool TGlslangToSpvTraverser::visitSelection(glslang::TVisit /* visit */, glslang::TIntermSelection* node) |
| { |
| // See if it simple and safe, or required, to execute both sides. |
| // Crucially, side effects must be either semantically required or avoided, |
| // and there are performance trade-offs. |
| // Return true if required or a good idea (and safe) to execute both sides, |
| // false otherwise. |
| const auto bothSidesPolicy = [&]() -> bool { |
| // do we have both sides? |
| if (node->getTrueBlock() == nullptr || |
| node->getFalseBlock() == nullptr) |
| return false; |
| |
| // required? (unless we write additional code to look for side effects |
| // and make performance trade-offs if none are present) |
| if (!node->getShortCircuit()) |
| return true; |
| |
| // if not required to execute both, decide based on performance/practicality... |
| |
| // see if OpSelect can handle it |
| if ((!node->getType().isScalar() && !node->getType().isVector()) || |
| node->getBasicType() == glslang::EbtVoid) |
| return false; |
| |
| assert(node->getType() == node->getTrueBlock() ->getAsTyped()->getType() && |
| node->getType() == node->getFalseBlock()->getAsTyped()->getType()); |
| |
| // return true if a single operand to ? : is okay for OpSelect |
| const auto operandOkay = [](glslang::TIntermTyped* node) { |
| return node->getAsSymbolNode() || node->getType().getQualifier().isConstant(); |
| }; |
| |
| return operandOkay(node->getTrueBlock() ->getAsTyped()) && |
| operandOkay(node->getFalseBlock()->getAsTyped()); |
| }; |
| |
| spv::Id result = spv::NoResult; // upcoming result selecting between trueValue and falseValue |
| // emit the condition before doing anything with selection |
| node->getCondition()->traverse(this); |
| spv::Id condition = accessChainLoad(node->getCondition()->getType()); |
| |
| // Find a way of executing both sides and selecting the right result. |
| const auto executeBothSides = [&]() -> void { |
| // execute both sides |
| node->getTrueBlock()->traverse(this); |
| spv::Id trueValue = accessChainLoad(node->getTrueBlock()->getAsTyped()->getType()); |
| node->getFalseBlock()->traverse(this); |
| spv::Id falseValue = accessChainLoad(node->getTrueBlock()->getAsTyped()->getType()); |
| |
| builder.setLine(node->getLoc().line); |
| |
| // done if void |
| if (node->getBasicType() == glslang::EbtVoid) |
| return; |
| |
| // emit code to select between trueValue and falseValue |
| |
| // see if OpSelect can handle it |
| if (node->getType().isScalar() || node->getType().isVector()) { |
| // Emit OpSelect for this selection. |
| |
| // smear condition to vector, if necessary (AST is always scalar) |
| if (builder.isVector(trueValue)) |
| condition = builder.smearScalar(spv::NoPrecision, condition, |
| builder.makeVectorType(builder.makeBoolType(), |
| builder.getNumComponents(trueValue))); |
| |
| // OpSelect |
| result = builder.createTriOp(spv::OpSelect, |
| convertGlslangToSpvType(node->getType()), condition, |
| trueValue, falseValue); |
| |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(result); |
| } else { |
| // We need control flow to select the result. |
| // TODO: Once SPIR-V OpSelect allows arbitrary types, eliminate this path. |
| result = builder.createVariable(spv::StorageClassFunction, convertGlslangToSpvType(node->getType())); |
| |
| // Selection control: |
| const spv::SelectionControlMask control = TranslateSelectionControl(*node); |
| |
| // make an "if" based on the value created by the condition |
| spv::Builder::If ifBuilder(condition, control, builder); |
| |
| // emit the "then" statement |
| builder.createStore(trueValue, result); |
| ifBuilder.makeBeginElse(); |
| // emit the "else" statement |
| builder.createStore(falseValue, result); |
| |
| // finish off the control flow |
| ifBuilder.makeEndIf(); |
| |
| builder.clearAccessChain(); |
| builder.setAccessChainLValue(result); |
| } |
| }; |
| |
| // Execute the one side needed, as per the condition |
| const auto executeOneSide = [&]() { |
| // Always emit control flow. |
| if (node->getBasicType() != glslang::EbtVoid) |
| result = builder.createVariable(spv::StorageClassFunction, convertGlslangToSpvType(node->getType())); |
| |
| // Selection control: |
| const spv::SelectionControlMask control = TranslateSelectionControl(*node); |
| |
| // make an "if" based on the value created by the condition |
| spv::Builder::If ifBuilder(condition, control, builder); |
| |
| // emit the "then" statement |
| if (node->getTrueBlock() != nullptr) { |
| node->getTrueBlock()->traverse(this); |
| if (result != spv::NoResult) |
| builder.createStore(accessChainLoad(node->getTrueBlock()->getAsTyped()->getType()), result); |
| } |
| |
| if (node->getFalseBlock() != nullptr) { |
| ifBuilder.makeBeginElse(); |
| // emit the "else" statement |
| node->getFalseBlock()->traverse(this); |
| if (result != spv::NoResult) |
| builder.createStore(accessChainLoad(node->getFalseBlock()->getAsTyped()->getType()), result); |
| } |
| |
| // finish off the control flow |
| ifBuilder.makeEndIf(); |
| |
| if (result != spv::NoResult) { |
| builder.clearAccessChain(); |
| builder.setAccessChainLValue(result); |
| } |
| }; |
| |
| // Try for OpSelect (or a requirement to execute both sides) |
| if (bothSidesPolicy()) { |
| SpecConstantOpModeGuard spec_constant_op_mode_setter(&builder); |
| if (node->getType().getQualifier().isSpecConstant()) |
| spec_constant_op_mode_setter.turnOnSpecConstantOpMode(); |
| executeBothSides(); |
| } else |
| executeOneSide(); |
| |
| return false; |
| } |
| |
| bool TGlslangToSpvTraverser::visitSwitch(glslang::TVisit /* visit */, glslang::TIntermSwitch* node) |
| { |
| // emit and get the condition before doing anything with switch |
| node->getCondition()->traverse(this); |
| spv::Id selector = accessChainLoad(node->getCondition()->getAsTyped()->getType()); |
| |
| // Selection control: |
| const spv::SelectionControlMask control = TranslateSwitchControl(*node); |
| |
| // browse the children to sort out code segments |
| int defaultSegment = -1; |
| std::vector<TIntermNode*> codeSegments; |
| glslang::TIntermSequence& sequence = node->getBody()->getSequence(); |
| std::vector<int> caseValues; |
| std::vector<int> valueIndexToSegment(sequence.size()); // note: probably not all are used, it is an overestimate |
| for (glslang::TIntermSequence::iterator c = sequence.begin(); c != sequence.end(); ++c) { |
| TIntermNode* child = *c; |
| if (child->getAsBranchNode() && child->getAsBranchNode()->getFlowOp() == glslang::EOpDefault) |
| defaultSegment = (int)codeSegments.size(); |
| else if (child->getAsBranchNode() && child->getAsBranchNode()->getFlowOp() == glslang::EOpCase) { |
| valueIndexToSegment[caseValues.size()] = (int)codeSegments.size(); |
| caseValues.push_back(child->getAsBranchNode()->getExpression()->getAsConstantUnion()->getConstArray()[0].getIConst()); |
| } else |
| codeSegments.push_back(child); |
| } |
| |
| // handle the case where the last code segment is missing, due to no code |
| // statements between the last case and the end of the switch statement |
| if ((caseValues.size() && (int)codeSegments.size() == valueIndexToSegment[caseValues.size() - 1]) || |
| (int)codeSegments.size() == defaultSegment) |
| codeSegments.push_back(nullptr); |
| |
| // make the switch statement |
| std::vector<spv::Block*> segmentBlocks; // returned, as the blocks allocated in the call |
| builder.makeSwitch(selector, control, (int)codeSegments.size(), caseValues, valueIndexToSegment, defaultSegment, segmentBlocks); |
| |
| // emit all the code in the segments |
| breakForLoop.push(false); |
| for (unsigned int s = 0; s < codeSegments.size(); ++s) { |
| builder.nextSwitchSegment(segmentBlocks, s); |
| if (codeSegments[s]) |
| codeSegments[s]->traverse(this); |
| else |
| builder.addSwitchBreak(); |
| } |
| breakForLoop.pop(); |
| |
| builder.endSwitch(segmentBlocks); |
| |
| return false; |
| } |
| |
| void TGlslangToSpvTraverser::visitConstantUnion(glslang::TIntermConstantUnion* node) |
| { |
| int nextConst = 0; |
| spv::Id constant = createSpvConstantFromConstUnionArray(node->getType(), node->getConstArray(), nextConst, false); |
| |
| builder.clearAccessChain(); |
| builder.setAccessChainRValue(constant); |
| } |
| |
| bool TGlslangToSpvTraverser::visitLoop(glslang::TVisit /* visit */, glslang::TIntermLoop* node) |
| { |
| auto blocks = builder.makeNewLoop(); |
| builder.createBranch(&blocks.head); |
| |
| // Loop control: |
| unsigned int dependencyLength = glslang::TIntermLoop::dependencyInfinite; |
| const spv::LoopControlMask control = TranslateLoopControl(*node, dependencyLength); |
| |
| // Spec requires back edges to target header blocks, and every header block |
| // must dominate its merge block. Make a header block first to ensure these |
| // conditions are met. By definition, it will contain OpLoopMerge, followed |
| // by a block-ending branch. But we don't want to put any other body/test |
| // instructions in it, since the body/test may have arbitrary instructions, |
| // including merges of its own. |
| builder.setLine(node->getLoc().line); |
| builder.setBuildPoint(&blocks.head); |
| builder.createLoopMerge(&blocks.merge, &blocks.continue_target, control, dependencyLength); |
| if (node->testFirst() && node->getTest()) { |
| spv::Block& test = builder.makeNewBlock(); |
| builder.createBranch(&test); |
| |
| builder.setBuildPoint(&test); |
| node->getTest()->traverse(this); |
| spv::Id condition = accessChainLoad(node->getTest()->getType()); |
| builder.createConditionalBranch(condition, &blocks.body, &blocks.merge); |
| |
| builder.setBuildPoint(&blocks.body); |
| breakForLoop.push(true); |
| if (node->getBody()) |
| node->getBody()->traverse(this); |
| builder.createBranch(&blocks.continue_target); |
| breakForLoop.pop(); |
| |
| builder.setBuildPoint(&blocks.continue_target); |
| if (node->getTerminal()) |
| node->getTerminal()->traverse(this); |
| builder.createBranch(&blocks.head); |
| } else { |
| builder.setLine(node->getLoc().line); |
| builder.createBranch(&blocks.body); |
| |
| breakForLoop.push(true); |
| builder.setBuildPoint(&blocks.body); |
| if (node->getBody()) |
| node->getBody()->traverse(this); |
| builder.createBranch(&blocks.continue_target); |
| breakForLoop.pop(); |
| |
| builder.setBuildPoint(&blocks.continue_target); |
| if (node->getTerminal()) |
| node->getTerminal()->traverse(this); |
| if (node->getTest()) { |
| node->getTest()->traverse(this); |
| spv::Id condition = |
| accessChainLoad(node->getTest()->getType()); |
| builder.createConditionalBranch(condition, &blocks.head, &blocks.merge); |
| } else { |
| // TODO: unless there was a break/return/discard instruction |
| // somewhere in the body, this is an infinite loop, so we should |
| // issue a warning. |
| builder.createBranch(&blocks.head); |
| } |
| } |
| builder.setBuildPoint(&blocks.merge); |
| builder.closeLoop(); |
| return false; |
| } |
| |
| bool TGlslangToSpvTraverser::visitBranch(glslang::TVisit /* visit */, glslang::TIntermBranch* node) |
| { |
| if (node->getExpression()) |
| node->getExpression()->traverse(this); |
| |
| builder.setLine(node->getLoc().line); |
| |
| switch (node->getFlowOp()) { |
| case glslang::EOpKill: |
| builder.makeDiscard(); |
| break; |
| case glslang::EOpBreak: |
| if (breakForLoop.top()) |
| builder.createLoopExit(); |
| else |
| builder.addSwitchBreak(); |
| break; |
| case glslang::EOpContinue: |
| builder.createLoopContinue(); |
| break; |
| case glslang::EOpReturn: |
| if (node->getExpression()) { |
| const glslang::TType& glslangReturnType = node->getExpression()->getType(); |
| spv::Id returnId = accessChainLoad(glslangReturnType); |
| if (builder.getTypeId(returnId) != currentFunction->getReturnType()) { |
| builder.clearAccessChain(); |
| spv::Id copyId = builder.createVariable(spv::StorageClassFunction, currentFunction->getReturnType()); |
| builder.setAccessChainLValue(copyId); |
| multiTypeStore(glslangReturnType, returnId); |
| returnId = builder.createLoad(copyId); |
| } |
| builder.makeReturn(false, returnId); |
| } else |
| builder.makeReturn(false); |
| |
| builder.clearAccessChain(); |
| break; |
| |
| default: |
| assert(0); |
| break; |
| } |
| |
| return false; |
| } |
| |
| spv::Id TGlslangToSpvTraverser::createSpvVariable(const glslang::TIntermSymbol* node) |
| { |
| // First, steer off constants, which are not SPIR-V variables, but |
| // can still have a mapping to a SPIR-V Id. |
| // This includes specialization constants. |
| if (node->getQualifier().isConstant()) { |
| spv::Id result = createSpvConstant(*node); |
| if (result != spv::NoResult) |
| return result; |
| } |
| |
| // Now, handle actual variables |
| spv::StorageClass storageClass = TranslateStorageClass(node->getType()); |
| spv::Id spvType = convertGlslangToSpvType(node->getType()); |
| |
| const bool contains16BitType = node->getType().containsBasicType(glslang::EbtFloat16) || |
| node->getType().containsBasicType(glslang::EbtInt16) || |
| node->getType().containsBasicType(glslang::EbtUint16); |
| if (contains16BitType) { |
| switch (storageClass) { |
| case spv::StorageClassInput: |
| case spv::StorageClassOutput: |
| addPre13Extension(spv::E_SPV_KHR_16bit_storage); |
| builder.addCapability(spv::CapabilityStorageInputOutput16); |
| break; |
| case spv::StorageClassPushConstant: |
| addPre13Extension(spv::E_SPV_KHR_16bit_storage); |
| builder.addCapability(spv::CapabilityStoragePushConstant16); |
| break; |
| case spv::StorageClassUniform: |
| addPre13Extension(spv::E_SPV_KHR_16bit_storage); |
| if (node->getType().getQualifier().storage == glslang::EvqBuffer) |
| builder.addCapability(spv::CapabilityStorageUniformBufferBlock16); |
| else |
| builder.addCapability(spv::CapabilityStorageUniform16); |
| break; |
| case spv::StorageClassStorageBuffer: |
| addPre13Extension(spv::E_SPV_KHR_16bit_storage); |
| builder.addCapability(spv::CapabilityStorageUniformBufferBlock16); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| const bool contains8BitType = node->getType().containsBasicType(glslang::EbtInt8) || |
| node->getType().containsBasicType(glslang::EbtUint8); |
| if (contains8BitType) { |
| if (storageClass == spv::StorageClassPushConstant) { |
| builder.addExtension(spv::E_SPV_KHR_8bit_storage); |
| builder.addCapability(spv::CapabilityStoragePushConstant8); |
| } else if (storageClass == spv::StorageClassUniform) { |
| builder.addExtension(spv::E_SPV_KHR_8bit_storage); |
| builder.addCapability(spv::CapabilityUniformAndStorageBuffer8BitAccess); |
| } else if (storageClass == spv::StorageClassStorageBuffer) { |
| builder.addExtension(spv::E_SPV_KHR_8bit_storage); |
| builder.addCapability(spv::CapabilityStorageBuffer8BitAccess); |
| } |
| } |
| |
| const char* name = node->getName().c_str(); |
| if (glslang::IsAnonymous(name)) |
| name = ""; |
| |
| return builder.createVariable(storageClass, spvType, name); |
| } |
| |
| // Return type Id of the sampled type. |
| spv::Id TGlslangToSpvTraverser::getSampledType(const glslang::TSampler& sampler) |
| { |
| switch (sampler.type) { |
| case glslang::EbtFloat: return builder.makeFloatType(32); |
| #ifdef AMD_EXTENSIONS |
| case glslang::EbtFloat16: |
| builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float_fetch); |
| builder.addCapability(spv::CapabilityFloat16ImageAMD); |
| return builder.makeFloatType(16); |
| #endif |
| case glslang::EbtInt: return builder.makeIntType(32); |
| case glslang::EbtUint: return builder.makeUintType(32); |
| default: |
| assert(0); |
| return builder.makeFloatType(32); |
| } |
| } |
| |
| // If node is a swizzle operation, return the type that should be used if |
| // the swizzle base is first consumed by another operation, before the swizzle |
| // is applied. |
| spv::Id TGlslangToSpvTraverser::getInvertedSwizzleType(const glslang::TIntermTyped& node) |
| { |
| if (node.getAsOperator() && |
| node.getAsOperator()->getOp() == glslang::EOpVectorSwizzle) |
| return convertGlslangToSpvType(node.getAsBinaryNode()->getLeft()->getType()); |
| else |
| return spv::NoType; |
| } |
| |
| // When inverting a swizzle with a parent op, this function |
| // will apply the swizzle operation to a completed parent operation. |
| spv::Id TGlslangToSpvTraverser::createInvertedSwizzle(spv::Decoration precision, const glslang::TIntermTyped& node, spv::Id parentResult) |
| { |
| std::vector<unsigned> swizzle; |
| convertSwizzle(*node.getAsBinaryNode()->getRight()->getAsAggregate(), swizzle); |
| return builder.createRvalueSwizzle(precision, convertGlslangToSpvType(node.getType()), parentResult, swizzle); |
| } |
| |
| // Convert a glslang AST swizzle node to a swizzle vector for building SPIR-V. |
| void TGlslangToSpvTraverser::convertSwizzle(const glslang::TIntermAggregate& node, std::vector<unsigned>& swizzle) |
| { |
| const glslang::TIntermSequence& swizzleSequence = node.getSequence(); |
| for (int i = 0; i < (int)swizzleSequence.size(); ++i) |
| swizzle.push_back(swizzleSequence[i]->getAsConstantUnion()->getConstArray()[0].getIConst()); |
| } |
| |
| // Convert from a glslang type to an SPV type, by calling into a |
| // recursive version of this function. This establishes the inherited |
| // layout state rooted from the top-level type. |
| spv::Id TGlslangToSpvTraverser::convertGlslangToSpvType(const glslang::TType& type) |
| { |
| return convertGlslangToSpvType(type, getExplicitLayout(type), type.getQualifier(), false); |
| } |
| |
| // Do full recursive conversion of an arbitrary glslang type to a SPIR-V Id. |
| // explicitLayout can be kept the same throughout the hierarchical recursive walk. |
| // Mutually recursive with convertGlslangStructToSpvType(). |
| spv::Id TGlslangToSpvTraverser::convertGlslangToSpvType(const glslang::TType& type, |
| glslang::TLayoutPacking explicitLayout, const glslang::TQualifier& qualifier, bool lastBufferBlockMember) |
| { |
| spv::Id spvType = spv::NoResult; |
| |
| switch (type.getBasicType()) { |
| case glslang::EbtVoid: |
| spvType = builder.makeVoidType(); |
| assert (! type.isArray()); |
| break; |
| case glslang::EbtFloat: |
| spvType = builder.makeFloatType(32); |
| break; |
| case glslang::EbtDouble: |
| spvType = builder.makeFloatType(64); |
| break; |
| case glslang::EbtFloat16: |
| spvType = builder.makeFloatType(16); |
| break; |
| case glslang::EbtBool: |
| // "transparent" bool doesn't exist in SPIR-V. The GLSL convention is |
| // a 32-bit int where non-0 means true. |
| if (explicitLayout != glslang::ElpNone) |
| spvType = builder.makeUintType(32); |
| else |
| spvType = builder.makeBoolType(); |
| break; |
| case glslang::EbtInt8: |
| spvType = builder.makeIntType(8); |
| break; |
| case glslang::EbtUint8: |
| spvType = builder.makeUintType(8); |
| break; |
| case glslang::EbtInt16: |
| spvType = builder.makeIntType(16); |
| break; |
| case glslang::EbtUint16: |
| spvType = builder.makeUintType(16); |
| break; |
| case glslang::EbtInt: |
| spvType = builder.makeIntType(32); |
| break; |
| case glslang::EbtUint: |
| spvType = builder.makeUintType(32); |
| break; |
| case glslang::EbtInt64: |
| spvType = builder.makeIntType(64); |
| break; |
| case glslang::EbtUint64: |
| spvType = builder.makeUintType(64); |
| break; |
| case glslang::EbtAtomicUint: |
| builder.addCapability(spv::CapabilityAtomicStorage); |
| spvType = builder.makeUintType(32); |
| break; |
| #ifdef NV_EXTENSIONS |
| case glslang::EbtAccStructNV: |
| spvType = builder.makeAccelerationStructureNVType(); |
| break; |
| #endif |
| case glslang::EbtSampler: |
| { |
| const glslang::TSampler& sampler = type.getSampler(); |
| if (sampler.sampler) { |
| // pure sampler |
| spvType = builder.makeSamplerType(); |
| } else { |
| // an image is present, make its type |
| spvType = builder.makeImageType(getSampledType(sampler), TranslateDimensionality(sampler), sampler.shadow, sampler.arrayed, sampler.ms, |
| sampler.image ? 2 : 1, TranslateImageFormat(type)); |
| if (sampler.combined) { |
| // already has both image and sampler, make the combined type |
| spvType = builder.makeSampledImageType(spvType); |
| } |
| } |
| } |
| break; |
| case glslang::EbtStruct: |
| case glslang::EbtBlock: |
| { |
| // If we've seen this struct type, return it |
| const glslang::TTypeList* glslangMembers = type.getStruct(); |
| |
| // Try to share structs for different layouts, but not yet for other |
| // kinds of qualification (primarily not yet including interpolant qualification). |
| if (! HasNonLayoutQualifiers(type, qualifier)) |
| spvType = structMap[explicitLayout][qualifier.layoutMatrix][glslangMembers]; |
| if (spvType != spv::NoResult) |
| break; |
| |
| // else, we haven't seen it... |
| if (type.getBasicType() == glslang::EbtBlock) |
| memberRemapper[glslangMembers].resize(glslangMembers->size()); |
| spvType = convertGlslangStructToSpvType(type, glslangMembers, explicitLayout, qualifier); |
| } |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| |
| if (type.isMatrix()) |
| spvType = builder.makeMatrixType(spvType, type.getMatrixCols(), type.getMatrixRows()); |
| else { |
| // If this variable has a vector element count greater than 1, create a SPIR-V vector |
| if (type.getVectorSize() > 1) |
| spvType = builder.makeVectorType(spvType, type.getVectorSize()); |
| } |
| |
| if (type.isArray()) { |
| int stride = 0; // keep this 0 unless doing an explicit layout; 0 will mean no decoration, no stride |
| |
| // Do all but the outer dimension |
| if (type.getArraySizes()->getNumDims() > 1) { |
| // We need to decorate array strides for types needing explicit layout, except blocks. |
| if (explicitLayout != glslang::ElpNone && type.getBasicType() != glslang::EbtBlock) { |
| // Use a dummy glslang type for querying internal strides of |
| // arrays of arrays, but using just a one-dimensional array. |
| glslang::TType simpleArrayType(type, 0); // deference type of the array |
| while (simpleArrayType.getArraySizes()->getNumDims() > 1) |
| simpleArrayType.getArraySizes()->dereference(); |
| |
| // Will compute the higher-order strides here, rather than making a whole |
| // pile of types and doing repetitive recursion on their contents. |
| stride = getArrayStride(simpleArrayType, explicitLayout, qualifier.layoutMatrix); |
| } |
| |
| // make the arrays |
| for (int dim = type.getArraySizes()->getNumDims() - 1; dim > 0; --dim) { |
| spvType = builder.makeArrayType(spvType, makeArraySizeId(*type.getArraySizes(), dim), stride); |
| if (stride > 0) |
| builder.addDecoration(spvType, spv::DecorationArrayStride, stride); |
| stride *= type.getArraySizes()->getDimSize(dim); |
| } |
| } else { |
| // single-dimensional array, and don't yet have stride |
| |
| // We need to decorate array strides for types needing explicit layout, except blocks. |
| if (explicitLayout != glslang::ElpNone && type.getBasicType() != glslang::EbtBlock) |
| stride = getArrayStride(type, explicitLayout, qualifier.layoutMatrix); |
| } |
| |
| // Do the outer dimension, which might not be known for a runtime-sized array. |
| // (Unsized arrays that survive through linking will be runtime-sized arrays) |
| if (type.isSizedArray()) |
| spvType = builder.makeArrayType(spvType, makeArraySizeId(*type.getArraySizes(), 0), stride); |
| else { |
| if (!lastBufferBlockMember) { |
| builder.addExtension("SPV_EXT_descriptor_indexing"); |
| builder.addCapability(spv::CapabilityRuntimeDescriptorArrayEXT); |
| } |
| spvType = builder.makeRuntimeArray(spvType); |
| } |
| if (stride > 0) |
| builder.addDecoration(spvType, spv::DecorationArrayStride, stride); |
| } |
| |
| return spvType; |
| } |
| |
| // TODO: this functionality should exist at a higher level, in creating the AST |
| // |
| // Identify interface members that don't have their required extension turned on. |
| // |
| bool TGlslangToSpvTraverser::filterMember(const glslang::TType& member) |
| { |
| #ifdef NV_EXTENSIONS |
| auto& extensions = glslangIntermediate->getRequestedExtensions(); |
| |
| if (member.getFieldName() == "gl_SecondaryViewportMaskNV" && |
| extensions.find("GL_NV_stereo_view_rendering") == extensions.end()) |
| return true; |
| if (member.getFieldName() == "gl_SecondaryPositionNV" && |
| extensions.find("GL_NV_stereo_view_rendering") == extensions.end()) |
| return true; |
| |
| if (glslangIntermediate->getStage() != EShLangMeshNV) { |
| if (member.getFieldName() == "gl_ViewportMask" && |
| extensions.find("GL_NV_viewport_array2") == extensions.end()) |
| return true; |
| if (member.getFieldName() == "gl_PositionPerViewNV" && |
| extensions.find("GL_NVX_multiview_per_view_attributes") == extensions.end()) |
| return true; |
| if (member.getFieldName() == "gl_ViewportMaskPerViewNV" && |
| extensions.find("GL_NVX_multiview_per_view_attributes") == extensions.end()) |
| return true; |
| } |
| #endif |
| |
| return false; |
| }; |
| |
| // Do full recursive conversion of a glslang structure (or block) type to a SPIR-V Id. |
| // explicitLayout can be kept the same throughout the hierarchical recursive walk. |
| // Mutually recursive with convertGlslangToSpvType(). |
| spv::Id TGlslangToSpvTraverser::convertGlslangStructToSpvType(const glslang::TType& type, |
| const glslang::TTypeList* glslangMembers, |
| glslang::TLayoutPacking explicitLayout, |
| const glslang::TQualifier& qualifier) |
| { |
| // Create a vector of struct types for SPIR-V to consume |
| std::vector<spv::Id> spvMembers; |
| int memberDelta = 0; // how much the member's index changes from glslang to SPIR-V, normally 0, except sometimes for blocks |
| for (int i = 0; i < (int)glslangMembers->size(); i++) { |
| glslang::TType& glslangMember = *(*glslangMembers)[i].type; |
| if (glslangMember.hiddenMember()) { |
| ++memberDelta; |
| if (type.getBasicType() == glslang::EbtBlock) |
| memberRemapper[glslangMembers][i] = -1; |
| } else { |
| if (type.getBasicType() == glslang::EbtBlock) { |
| memberRemapper[glslangMembers][i] = i - memberDelta; |
| if (filterMember(glslangMember)) |
| continue; |
| } |
| // modify just this child's view of the qualifier |
| glslang::TQualifier memberQualifier = glslangMember.getQualifier(); |
| InheritQualifiers(memberQualifier, qualifier); |
| |
| // manually inherit location |
| if (! memberQualifier.hasLocation() && qualifier.hasLocation()) |
| memberQualifier.layoutLocation = qualifier.layoutLocation; |
| |
| // recurse |
| bool lastBufferBlockMember = qualifier.storage == glslang::EvqBuffer && |
| i == (int)glslangMembers->size() - 1; |
| spvMembers.push_back( |
| convertGlslangToSpvType(glslangMember, explicitLayout, memberQualifier, lastBufferBlockMember)); |
| } |
| } |
| |
| // Make the SPIR-V type |
| spv::Id spvType = builder.makeStructType(spvMembers, type.getTypeName().c_str()); |
| if (! HasNonLayoutQualifiers(type, qualifier)) |
| structMap[explicitLayout][qualifier.layoutMatrix][glslangMembers] = spvType; |
| |
| // Decorate it |
| decorateStructType(type, glslangMembers, explicitLayout, qualifier, spvType); |
| |
| return spvType; |
| } |
| |
| void TGlslangToSpvTraverser::decorateStructType(const glslang::TType& type, |
| const glslang::TTypeList* glslangMembers, |
| glslang::TLayoutPacking explicitLayout, |
| const glslang::TQualifier& qualifier, |
| spv::Id spvType) |
| { |
| // Name and decorate the non-hidden members |
| int offset = -1; |
| int locationOffset = 0; // for use within the members of this struct |
| for (int i = 0; i < (int)glslangMembers->size(); i++) { |
| glslang::TType& glslangMember = *(*glslangMembers)[i].type; |
| int member = i; |
| if (type.getBasicType() == glslang::EbtBlock) { |
| member = memberRemapper[glslangMembers][i]; |
| if (filterMember(glslangMember)) |
| continue; |
| } |
| |
| // modify just this child's view of the qualifier |
| glslang::TQualifier memberQualifier = glslangMember.getQualifier(); |
| InheritQualifiers(memberQualifier, qualifier); |
| |
| // using -1 above to indicate a hidden member |
| if (member < 0) |
| continue; |
| |
| builder.addMemberName(spvType, member, glslangMember.getFieldName().c_str()); |
| builder.addMemberDecoration(spvType, member, |
| TranslateLayoutDecoration(glslangMember, memberQualifier.layoutMatrix)); |
| builder.addMemberDecoration(spvType, member, TranslatePrecisionDecoration(glslangMember)); |
| // Add interpolation and auxiliary storage decorations only to |
| // top-level members of Input and Output storage classes |
| if (type.getQualifier().storage == glslang::EvqVaryingIn || |
| type.getQualifier().storage == glslang::EvqVaryingOut) { |
| if (type.getBasicType() == glslang::EbtBlock || |
| glslangIntermediate->getSource() == glslang::EShSourceHlsl) { |
| builder.addMemberDecoration(spvType, member, TranslateInterpolationDecoration(memberQualifier)); |
| builder.addMemberDecoration(spvType, member, TranslateAuxiliaryStorageDecoration(memberQualifier)); |
| #ifdef NV_EXTENSIONS |
| addMeshNVDecoration(spvType, member, memberQualifier); |
| #endif |
| } |
| } |
| builder.addMemberDecoration(spvType, member, TranslateInvariantDecoration(memberQualifier)); |
| |
| if (type.getBasicType() == glslang::EbtBlock && |
| qualifier.storage == glslang::EvqBuffer) { |
| // Add memory decorations only to top-level members of shader storage block |
| std::vector<spv::Decoration> memory; |
| TranslateMemoryDecoration(memberQualifier, memory, glslangIntermediate->usingVulkanMemoryModel()); |
| for (unsigned int i = 0; i < memory.size(); ++i) |
| builder.addMemberDecoration(spvType, member, memory[i]); |
| } |
| |
| // Location assignment was already completed correctly by the front end, |
| // just track whether a member needs to be decorated. |
| // Ignore member locations if the container is an array, as that's |
| // ill-specified and decisions have been made to not allow this. |
| if (! type.isArray() && memberQualifier.hasLocation()) |
| builder.addMemberDecoration(spvType, member, spv::DecorationLocation, memberQualifier.layoutLocation); |
| |
| if (qualifier.hasLocation()) // track for upcoming inheritance |
| locationOffset += glslangIntermediate->computeTypeLocationSize( |
| glslangMember, glslangIntermediate->getStage()); |
| |
| // component, XFB, others |
| if (glslangMember.getQualifier().hasComponent()) |
| builder.addMemberDecoration(spvType, member, spv::DecorationComponent, |
| glslangMember.getQualifier().layoutComponent); |
| if (glslangMember.getQualifier().hasXfbOffset()) |
| builder.addMemberDecoration(spvType, member, spv::DecorationOffset, |
| glslangMember.getQualifier().layoutXfbOffset); |
| else if (explicitLayout != glslang::ElpNone) { |
| // figure out what to do with offset, which is accumulating |
| int nextOffset; |
| updateMemberOffset(type, glslangMember, offset, nextOffset, explicitLayout, memberQualifier.layoutMatrix); |
| if (offset >= 0) |
| builder.addMemberDecoration(spvType, member, spv::DecorationOffset, offset); |
| offset = nextOffset; |
| } |
| |
| if (glslangMember.isMatrix() && explicitLayout != glslang::ElpNone) |
| builder.addMemberDecoration(spvType, member, spv::DecorationMatrixStride, |
| getMatrixStride(glslangMember, explicitLayout, memberQualifier.layoutMatrix)); |
| |
| // built-in variable decorations |
| spv::BuiltIn builtIn = TranslateBuiltInDecoration(glslangMember.getQualifier().builtIn, true); |
| if (builtIn != spv::BuiltInMax) |
| builder.addMemberDecoration(spvType, member, spv::DecorationBuiltIn, (int)builtIn); |
| |
| // nonuniform |
| builder.addMemberDecoration(spvType, member, TranslateNonUniformDecoration(glslangMember.getQualifier())); |
| |
| if (glslangIntermediate->getHlslFunctionality1() && memberQualifier.semanticName != nullptr) { |
| builder.addExtension("SPV_GOOGLE_hlsl_functionality1"); |
| builder.addMemberDecoration(spvType, member, (spv::Decoration)spv::DecorationHlslSemanticGOOGLE, |
| memberQualifier.semanticName); |
| } |
| |
| #ifdef NV_EXTENSIONS |
| if (builtIn == spv::BuiltInLayer) { |
| // SPV_NV_viewport_array2 extension |
| if (glslangMember.getQualifier().layoutViewportRelative){ |
| builder.addMemberDecoration(spvType, member, (spv::Decoration)spv::DecorationViewportRelativeNV); |
| builder.addCapability(spv::CapabilityShaderViewportMaskNV); |
| builder.addExtension(spv::E_SPV_NV_viewport_array2); |
| } |
| if (glslangMember.getQualifier().layoutSecondaryViewportRelativeOffset != -2048){ |
| builder.addMemberDecoration(spvType, member, |
| (spv::Decoration)spv::DecorationSecondaryViewportRelativeNV, |
| glslangMember.getQualifier().layoutSecondaryViewportRelativeOffset); |
| builder.addCapability(spv::CapabilityShaderStereoViewNV); |
| builder.addExtension(spv::E_SPV_NV_stereo_view_rendering); |
| } |
| } |
| if (glslangMember.getQualifier().layoutPassthrough) { |
| builder.addMemberDecoration(spvType, member, (spv::Decoration)spv::DecorationPassthroughNV); |
| builder.addCapability(spv::CapabilityGeometryShaderPassthroughNV); |
| builder.addExtension(spv::E_SPV_NV_geometry_shader_passthrough); |
| } |
| #endif |
| } |
| |
| // Decorate the structure |
| builder.addDecoration(spvType, TranslateLayoutDecoration(type, qualifier.layoutMatrix)); |
| builder.addDecoration(spvType, TranslateBlockDecoration(type, glslangIntermediate->usingStorageBuffer())); |
| if (type.getQualifier().hasStream() && glslangIntermediate->isMultiStream()) { |
| builder.addCapability(spv::CapabilityGeometryStreams); |
| builder.addDecoration(spvType, spv::DecorationStream, type.getQualifier().layoutStream); |
| } |
| } |
| |
| // Turn the expression forming the array size into an id. |
| // This is not quite trivial, because of specialization constants. |
| // Sometimes, a raw constant is turned into an Id, and sometimes |
| // a specialization constant expression is. |
| spv::Id TGlslangToSpvTraverser::makeArraySizeId(const glslang::TArraySizes& arraySizes, int dim) |
| { |
| // First, see if this is sized with a node, meaning a specialization constant: |
| glslang::TIntermTyped* specNode = arraySizes.getDimNode(dim); |
| if (specNode != nullptr) { |
| builder.clearAccessChain(); |
| specNode->traverse(this); |
| return accessChainLoad(specNode->getAsTyped()->getType()); |
| } |
| |
| // Otherwise, need a compile-time (front end) size, get it: |
| int size = arraySizes.getDimSize(dim); |
| assert(size > 0); |
| return builder.makeUintConstant(size); |
| } |
| |
| // Wrap the builder's accessChainLoad to: |
| // - localize handling of RelaxedPrecision |
| // - use the SPIR-V inferred type instead of another conversion of the glslang type |
| // (avoids unnecessary work and possible type punning for structures) |
| // - do conversion of concrete to abstract type |
| spv::Id TGlslangToSpvTraverser::accessChainLoad(const glslang::TType& type) |
| { |
| spv::Id nominalTypeId = builder.accessChainGetInferredType(); |
| |
| spv::Builder::AccessChain::CoherentFlags coherentFlags = builder.getAccessChain().coherentFlags; |
| coherentFlags |= TranslateCoherent(type); |
| |
| spv::Id loadedId = builder.accessChainLoad(TranslatePrecisionDecoration(type), |
| TranslateNonUniformDecoration(type.getQualifier()), |
| nominalTypeId, |
| spv::MemoryAccessMask(TranslateMemoryAccess(coherentFlags) & ~spv::MemoryAccessMakePointerAvailableKHRMask), |
| TranslateMemoryScope(coherentFlags)); |
| |
| // Need to convert to abstract types when necessary |
| if (type.getBasicType() == glslang::EbtBool) { |
| if (builder.isScalarType(nominalTypeId)) { |
| // Conversion for bool |
| spv::Id boolType = builder.makeBoolType(); |
| if (nominalTypeId != boolType) |
| loadedId = builder.createBinOp(spv::OpINotEqual, boolType, loadedId, builder.makeUintConstant(0)); |
| } else if (builder.isVectorType(nominalTypeId)) { |
| // Conversion for bvec |
| int vecSize = builder.getNumTypeComponents(nominalTypeId); |
| spv::Id bvecType = builder.makeVectorType(builder.makeBoolType(), vecSize); |
| if (nominalTypeId != bvecType) |
| loadedId = builder.createBinOp(spv::OpINotEqual, bvecType, loadedId, makeSmearedConstant(builder.makeUintConstant(0), vecSize)); |
| } |
| } |
| |
| return loadedId; |
| } |
| |
| // Wrap the builder's accessChainStore to: |
| // - do conversion of concrete to abstract type |
| // |
| // Implicitly uses the existing builder.accessChain as the storage target. |
| void TGlslangToSpvTraverser::accessChainStore(const glslang::TType& type, spv::Id rvalue) |
| { |
| // Need to convert to abstract types when necessary |
| if (type.getBasicType() == glslang::EbtBool) { |
| spv::Id nominalTypeId = builder.accessChainGetInferredType(); |
| |
| if (builder.isScalarType(nominalTypeId)) { |
| // Conversion for bool |
| spv::Id boolType = builder.makeBoolType(); |
| if (nominalTypeId != boolType) { |
| // keep these outside arguments, for determinant order-of-evaluation |
| spv::Id one = builder.makeUintConstant(1); |
| spv::Id zero = builder.makeUintConstant(0); |
| rvalue = builder.createTriOp(spv::OpSelect, nominalTypeId, rvalue, one, zero); |
| } else if (builder.getTypeId(rvalue) != boolType) |
| rvalue = builder.createBinOp(spv::OpINotEqual, boolType, rvalue, builder.makeUintConstant(0)); |
| } else if (builder.isVectorType(nominalTypeId)) { |
| // Conversion for bvec |
| int vecSize = builder.getNumTypeComponents(nominalTypeId); |
| spv::Id bvecType = builder.makeVectorType(builder.makeBoolType(), vecSize); |
| if (nominalTypeId != bvecType) { |
| // keep these outside arguments, for determinant order-of-evaluation |
| spv::Id one = makeSmearedConstant(builder.makeUintConstant(1), vecSize); |
| spv::Id zero = makeSmearedConstant(builder.makeUintConstant(0), vecSize); |
| rvalue = builder.createTriOp(spv::OpSelect, nominalTypeId, rvalue, one, zero); |
| } else if (builder.getTypeId(rvalue) != bvecType) |
| rvalue = builder.createBinOp(spv::OpINotEqual, bvecType, rvalue, |
| makeSmearedConstant(builder.makeUintConstant(0), vecSize)); |
| } |
| } |
| |
| spv::Builder::AccessChain::CoherentFlags coherentFlags = builder.getAccessChain().coherentFlags; |
| coherentFlags |= TranslateCoherent(type); |
| |
| builder.accessChainStore(rvalue, |
| spv::MemoryAccessMask(TranslateMemoryAccess(coherentFlags) & ~spv::MemoryAccessMakePointerVisibleKHRMask), |
| TranslateMemoryScope(coherentFlags)); |
| } |
| |
| // For storing when types match at the glslang level, but not might match at the |
| // SPIR-V level. |
| // |
| // This especially happens when a single glslang type expands to multiple |
| // SPIR-V types, like a struct that is used in a member-undecorated way as well |
| // as in a member-decorated way. |
| // |
| // NOTE: This function can handle any store request; if it's not special it |
| // simplifies to a simple OpStore. |
| // |
| // Implicitly uses the existing builder.accessChain as the storage target. |
| void TGlslangToSpvTraverser::multiTypeStore(const glslang::TType& type, spv::Id rValue) |
| { |
| // we only do the complex path here if it's an aggregate |
| if (! type.isStruct() && ! type.isArray()) { |
| accessChainStore(type, rValue); |
| return; |
| } |
| |
| // and, it has to be a case of type aliasing |
| spv::Id rType = builder.getTypeId(rValue); |
| spv::Id lValue = builder.accessChainGetLValue(); |
| spv::Id lType = builder.getContainedTypeId(builder.getTypeId(lValue)); |
| if (lType == rType) { |
| accessChainStore(type, rValue); |
| return; |
| } |
| |
| // Recursively (as needed) copy an aggregate type to a different aggregate type, |
| // where the two types were the same type in GLSL. This requires member |
| // by member copy, recursively. |
| |
| // If an array, copy element by element. |
| if (type.isArray()) { |
| glslang::TType glslangElementType(type, 0); |
| spv::Id elementRType = builder.getContainedTypeId(rType); |
| for (int index = 0; index < type.getOuterArraySize(); ++index) { |
| // get the source member |
| spv::Id elementRValue = builder.createCompositeExtract(rValue, elementRType, index); |
| |
| // set up the target storage |
| builder.clearAccessChain(); |
| builder.setAccessChainLValue(lValue); |
| builder.accessChainPush(builder.makeIntConstant(index), TranslateCoherent(type)); |
| |
| // store the member |
| multiTypeStore(glslangElementType, elementRValue); |
| } |
| } else { |
| assert(type.isStruct()); |
| |
| // loop over structure members |
| const glslang::TTypeList& members = *type.getStruct(); |
| for (int m = 0; m < (int)members.size(); ++m) { |
| const glslang::TType& glslangMemberType = *members[m].type; |
| |
| // get the source member |
| spv::Id memberRType = builder.getContainedTypeId(rType, m); |
| spv::Id memberRValue = builder.createCompositeExtract(rValue, memberRType, m); |
| |
| // set up the target storage |
| builder.clearAccessChain(); |
| builder.setAccessChainLValue(lValue); |
| builder.accessChainPush(builder.makeIntConstant(m), TranslateCoherent(type)); |
| |
| // store the member |
| multiTypeStore(glslangMemberType, memberRValue); |
| } |
| } |
| } |
| |
| // Decide whether or not this type should be |
| // decorated with offsets and strides, and if so |
| // whether std140 or std430 rules should be applied. |
| glslang::TLayoutPacking TGlslangToSpvTraverser::getExplicitLayout(const glslang::TType& type) const |
| { |
| // has to be a block |
| if (type.getBasicType() != glslang::EbtBlock) |
| return glslang::ElpNone; |
| |
| // has to be a uniform or buffer block or task in/out blocks |
| if (type.getQualifier().storage != glslang::EvqUniform && |
| type.getQualifier().storage != glslang::EvqBuffer && |
| !type.getQualifier().isTaskMemory()) |
| return glslang::ElpNone; |
| |
| // return the layout to use |
| switch (type.getQualifier().layoutPacking) { |
| case glslang::ElpStd140: |
| case glslang::ElpStd430: |
| case glslang::ElpScalar: |
| return type.getQualifier().layoutPacking; |
| default: |
| return glslang::ElpNone; |
| } |
| } |
| |
| // Given an array type, returns the integer stride required for that array |
| int TGlslangToSpvTraverser::getArrayStride(const glslang::TType& arrayType, glslang::TLayoutPacking explicitLayout, glslang::TLayoutMatrix matrixLayout) |
| { |
| int size; |
| int stride; |
| glslangIntermediate->getMemberAlignment(arrayType, size, stride, explicitLayout, matrixLayout == glslang::ElmRowMajor); |
| |
| return stride; |
| } |
| |
| // Given a matrix type, or array (of array) of matrixes type, returns the integer stride required for that matrix |
| // when used as a member of an interface block |
| int TGlslangToSpvTraverser::getMatrixStride(const glslang::TType& matrixType, glslang::TLayoutPacking explicitLayout, glslang::TLayoutMatrix matrixLayout) |
| { |
| glslang::TType elementType; |
| elementType.shallowCopy(matrixType); |
| elementType.clearArraySizes(); |
| |
| int size; |
| int stride; |
| glslangIntermediate->getMemberAlignment(elementType, size, stride, explicitLayout, matrixLayout == glslang::ElmRowMajor); |
| |
| return stride; |
| } |
| |
| // Given a member type of a struct, realign the current offset for it, and compute |
| // the next (not yet aligned) offset for the next member, which will get aligned |
| // on the next call. |
| // 'currentOffset' should be passed in already initialized, ready to modify, and reflecting |
| // the migration of data from nextOffset -> currentOffset. It should be -1 on the first call. |
| // -1 means a non-forced member offset (no decoration needed). |
| void TGlslangToSpvTraverser::updateMemberOffset(const glslang::TType& structType, const glslang::TType& memberType, int& currentOffset, int& nextOffset, |
| glslang::TLayoutPacking explicitLayout, glslang::TLayoutMatrix matrixLayout) |
| { |
| // this will get a positive value when deemed necessary |
| nextOffset = -1; |
| |
| // override anything in currentOffset with user-set offset |
| if (memberType.getQualifier().hasOffset()) |
| currentOffset = memberType.getQualifier().layoutOffset; |
| |
| // It could be that current linker usage in glslang updated all the layoutOffset, |
| // in which case the following code does not matter. But, that's not quite right |
| // once cross-compilation unit GLSL validation is done, as the original user |
| // settings are needed in layoutOffset, and then the following will come into play. |
| |
| if (explicitLayout == glslang::ElpNone) { |
| if (! memberType.getQualifier().hasOffset()) |
| currentOffset = -1; |
| |
| return; |
| } |
| |
| // Getting this far means we need explicit offsets |
| if (currentOffset < 0) |
| currentOffset = 0; |
| |
| // Now, currentOffset is valid (either 0, or from a previous nextOffset), |
| // but possibly not yet correctly aligned. |
| |
| int memberSize; |
| int dummyStride; |
| int memberAlignment = glslangIntermediate->getMemberAlignment(memberType, memberSize, dummyStride, explicitLayout, matrixLayout == glslang::ElmRowMajor); |
| |
| // Adjust alignment for HLSL rules |
| // TODO: make this consistent in early phases of code: |
| // adjusting this late means inconsistencies with earlier code, which for reflection is an issue |
| // Until reflection is brought in sync with these adjustments, don't apply to $Global, |
| // which is the most likely to rely on reflection, and least likely to rely implicit layouts |
| if (glslangIntermediate->usingHlslOffsets() && |
| ! memberType.isArray() && memberType.isVector() && structType.getTypeName().compare("$Global") != 0) { |
| int dummySize; |
| int componentAlignment = glslangIntermediate->getBaseAlignmentScalar(memberType, dummySize); |
| if (componentAlignment <= 4) |
| memberAlignment = componentAlignment; |
| } |
| |
| // Bump up to member alignment |
| glslang::RoundToPow2(currentOffset, memberAlignment); |
| |
| // Bump up to vec4 if there is a bad straddle |
| if (explicitLayout != glslang::ElpScalar && glslangIntermediate->improperStraddle(memberType, memberSize, currentOffset)) |
| glslang::RoundToPow2(currentOffset, 16); |
| |
| nextOffset = currentOffset + memberSize; |
| } |
| |
| void TGlslangToSpvTraverser::declareUseOfStructMember(const glslang::TTypeList& members, int glslangMember) |
| { |
| const glslang::TBuiltInVariable glslangBuiltIn = members[glslangMember].type->getQualifier().builtIn; |
| switch (glslangBuiltIn) |
| { |
| case glslang::EbvClipDistance: |
| case glslang::EbvCullDistance: |
| case glslang::EbvPointSize: |
| #ifdef NV_EXTENSIONS |
| case glslang::EbvViewportMaskNV: |
| case glslang::EbvSecondaryPositionNV: |
| case glslang::EbvSecondaryViewportMaskNV: |
| case glslang::EbvPositionPerViewNV: |
| case glslang::EbvViewportMaskPerViewNV: |
| case glslang::EbvTaskCountNV: |
| case glslang::EbvPrimitiveCountNV: |
| case glslang::EbvPrimitiveIndicesNV: |
| case glslang::EbvClipDistancePerViewNV: |
| case glslang::EbvCullDistancePerViewNV: |
| case glslang::EbvLayerPerViewNV: |
| case glslang::EbvMeshViewCountNV: |
| case glslang::EbvMeshViewIndicesNV: |
| #endif |
| // Generate the associated capability. Delegate to TranslateBuiltInDecoration. |
| // Alternately, we could just call this for any glslang built-in, since the |
| // capability already guards against duplicates. |
| TranslateBuiltInDecoration(glslangBuiltIn, false); |
| break; |
| default: |
| // Capabilities were already generated when the struct was declared. |
| break; |
| } |
| } |
| |
| bool TGlslangToSpvTraverser::isShaderEntryPoint(const glslang::TIntermAggregate* node) |
| { |
| return node->getName().compare(glslangIntermediate->getEntryPointMangledName().c_str()) == 0; |
| } |
| |
| // Does parameter need a place to keep writes, separate from the original? |
| // Assumes called after originalParam(), which filters out block/buffer/opaque-based |
| // qualifiers such that we should have only in/out/inout/constreadonly here. |
| bool TGlslangToSpvTraverser::writableParam(glslang::TStorageQualifier qualifier) const |
| { |
| assert(qualifier == glslang::EvqIn || |
| qualifier == glslang::EvqOut || |
| qualifier == glslang::EvqInOut || |
| qualifier == glslang::EvqConstReadOnly); |
| return qualifier != glslang::EvqConstReadOnly; |
| } |
| |
| // Is parameter pass-by-original? |
| bool TGlslangToSpvTraverser::originalParam(glslang::TStorageQualifier qualifier, const glslang::TType& paramType, |
| bool implicitThisParam) |
| { |
| if (implicitThisParam) // implicit this |
| return true; |
| if (glslangIntermediate->getSource() == glslang::EShSourceHlsl) |
| return paramType.getBasicType() == glslang::EbtBlock; |
| return paramType.containsOpaque() || // sampler, etc. |
| (paramType.getBasicType() == glslang::EbtBlock && qualifier == glslang::EvqBuffer); // SSBO |
| } |
| |
| // Make all the functions, skeletally, without actually visiting their bodies. |
| void TGlslangToSpvTraverser::makeFunctions(const glslang::TIntermSequence& glslFunctions) |
| { |
| const auto getParamDecorations = [](std::vector<spv::Decoration>& decorations, const glslang::TType& type, bool useVulkanMemoryModel) { |
| spv::Decoration paramPrecision = TranslatePrecisionDecoration(type); |
| if (paramPrecision != spv::NoPrecision) |
| decorations.push_back(paramPrecision); |
| TranslateMemoryDecoration(type.getQualifier(), decorations, useVulkanMemoryModel); |
| }; |
| |
| for (int f = 0; f < (int)glslFunctions.size(); ++f) { |
| glslang::TIntermAggregate* glslFunction = glslFunctions[f]->getAsAggregate(); |
| if (! glslFunction || glslFunction->getOp() != glslang::EOpFunction || isShaderEntryPoint(glslFunction)) |
| continue; |
| |
| // We're on a user function. Set up the basic interface for the function now, |
| // so that it's available to call. Translating the body will happen later. |
| // |
| // Typically (except for a "const in" parameter), an address will be passed to the |
| // function. What it is an address of varies: |
| // |
| // - "in" parameters not marked as "const" can be written to without modifying the calling |
| // argument so that write needs to be to a copy, hence the address of a copy works. |
| // |
| // - "const in" parameters can just be the r-value, as no writes need occur. |
| // |
| // - "out" and "inout" arguments can't be done as pointers to the calling argument, because |
| // GLSL has copy-in/copy-out semantics. They can be handled though with a pointer to a copy. |
| |
| std::vector<spv::Id> paramTypes; |
| std::vector<std::vector<spv::Decoration>> paramDecorations; // list of decorations per parameter |
| glslang::TIntermSequence& parameters = glslFunction->getSequence()[0]->getAsAggregate()->getSequence(); |
| |
| bool implicitThis = (int)parameters.size() > 0 && parameters[0]->getAsSymbolNode()->getName() == |
| glslangIntermediate->implicitThisName; |
| |
| paramDecorations.resize(parameters.size()); |
| for (int p = 0; p < (int)parameters.size(); ++p) { |
| const glslang::TType& paramType = parameters[p]->getAsTyped()->getType(); |
| spv::Id typeId = convertGlslangToSpvType(paramType); |
| if (originalParam(paramType.getQualifier().storage, paramType, implicitThis && p == 0)) |
| typeId = builder.makePointer(TranslateStorageClass(paramType), typeId); |
| else if (writableParam(paramType.getQualifier().storage)) |
| typeId = builder.makePointer(spv::StorageClassFunction, typeId); |
| else |
| rValueParameters.insert(parameters[p]->getAsSymbolNode()->getId()); |
| getParamDecorations(paramDecorations[p], paramType, glslangIntermediate->usingVulkanMemoryModel()); |
| paramTypes.push_back(typeId); |
| } |
| |
| spv::Block* functionBlock; |
| spv::Function *function = builder.makeFunctionEntry(TranslatePrecisionDecoration(glslFunction->getType()), |
| convertGlslangToSpvType(glslFunction->getType()), |
| glslFunction->getName().c_str(), paramTypes, |
| paramDecorations, &functionBlock); |
| if (implicitThis) |
| function->setImplicitThis(); |
| |
| // Track function to emit/call later |
| functionMap[glslFunction->getName().c_str()] = function; |
| |
| // Set the parameter id's |
| for (int p = 0; p < (int)parameters.size(); ++p) { |
| symbolValues[parameters[p]->getAsSymbolNode()->getId()] = function->getParamId(p); |
| // give a name too |
| builder.addName(function->getParamId(p), parameters[p]->getAsSymbolNode()->getName().c_str()); |
| } |
| } |
| } |
| |
| // Process all the initializers, while skipping the functions and link objects |
| void TGlslangToSpvTraverser::makeGlobalInitializers(const glslang::TIntermSequence& initializers) |
| { |
| builder.setBuildPoint(shaderEntry->getLastBlock()); |
| for (int i = 0; i < (int)initializers.size(); ++i) { |
| glslang::TIntermAggregate* initializer = initializers[i]->getAsAggregate(); |
| if (initializer && initializer->getOp() != glslang::EOpFunction && initializer->getOp() != glslang::EOpLinkerObjects) { |
| |
| // We're on a top-level node that's not a function. Treat as an initializer, whose |
| // code goes into the beginning of the entry point. |
| initializer->traverse(this); |
| } |
| } |
| } |
| |
| // Process all the functions, while skipping initializers. |
| void TGlslangToSpvTraverser::visitFunctions(const glslang::TIntermSequence& glslFunctions) |
| { |
| for (int f = 0; f < (int)glslFunctions.size(); ++f) { |
| glslang::TIntermAggregate* node = glslFunctions[f]->getAsAggregate(); |
| if (node && (node->getOp() == glslang::EOpFunction || node->getOp() == glslang::EOpLinkerObjects)) |
| node->traverse(this); |
| } |
| } |
| |
| void TGlslangToSpvTraverser::handleFunctionEntry(const glslang::TIntermAggregate* node) |
| { |
| // SPIR-V functions should already be in the functionMap from the prepass |
| // that called makeFunctions(). |
| currentFunction = functionMap[node->getName().c_str()]; |
| spv::Block* functionBlock = currentFunction->getEntryBlock(); |
| builder.setBuildPoint(functionBlock); |
| } |
| |
| void TGlslangToSpvTraverser::translateArguments(const glslang::TIntermAggregate& node, std::vector<spv::Id>& arguments) |
| { |
| const glslang::TIntermSequence& glslangArguments = node.getSequence(); |
| |
| glslang::TSampler sampler = {}; |
| bool cubeCompare = false; |
| #ifdef AMD_EXTENSIONS |
| bool f16ShadowCompare = false; |
| #endif |
| if (node.isTexture() || node.isImage()) { |
| sampler = glslangArguments[0]->getAsTyped()->getType().getSampler(); |
| cubeCompare = sampler.dim == glslang::EsdCube && sampler.arrayed && sampler.shadow; |
| #ifdef AMD_EXTENSIONS |
| f16ShadowCompare = sampler.shadow && glslangArguments[1]->getAsTyped()->getType().getBasicType() == glslang::EbtFloat16; |
| #endif |
| } |
| |
| for (int i = 0; i < (int)glslangArguments.size(); ++i) { |
| builder.clearAccessChain(); |
| glslangArguments[i]->traverse(this); |
| |
| // Special case l-value operands |
| bool lvalue = false; |
| switch (node.getOp()) { |
| case glslang::EOpImageAtomicAdd: |
| case glslang::EOpImageAtomicMin: |
| case glslang::EOpImageAtomicMax: |
| case glslang::EOpImageAtomicAnd: |
| case glslang::EOpImageAtomicOr: |
| case glslang::EOpImageAtomicXor: |
| case glslang::EOpImageAtomicExchange: |
| case glslang::EOpImageAtomicCompSwap: |
| case glslang::EOpImageAtomicLoad: |
| case glslang::EOpImageAtomicStore: |
| if (i == 0) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseImageLoad: |
| if ((sampler.ms && i == 3) || (! sampler.ms && i == 2)) |
| lvalue = true; |
| break; |
| #ifdef AMD_EXTENSIONS |
| case glslang::EOpSparseTexture: |
| if (((cubeCompare || f16ShadowCompare) && i == 3) || (! (cubeCompare || f16ShadowCompare) && i == 2)) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureClamp: |
| if (((cubeCompare || f16ShadowCompare) && i == 4) || (! (cubeCompare || f16ShadowCompare) && i == 3)) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureLod: |
| case glslang::EOpSparseTextureOffset: |
| if ((f16ShadowCompare && i == 4) || (! f16ShadowCompare && i == 3)) |
| lvalue = true; |
| break; |
| #else |
| case glslang::EOpSparseTexture: |
| if ((cubeCompare && i == 3) || (! cubeCompare && i == 2)) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureClamp: |
| if ((cubeCompare && i == 4) || (! cubeCompare && i == 3)) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureLod: |
| case glslang::EOpSparseTextureOffset: |
| if (i == 3) |
| lvalue = true; |
| break; |
| #endif |
| case glslang::EOpSparseTextureFetch: |
| if ((sampler.dim != glslang::EsdRect && i == 3) || (sampler.dim == glslang::EsdRect && i == 2)) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureFetchOffset: |
| if ((sampler.dim != glslang::EsdRect && i == 4) || (sampler.dim == glslang::EsdRect && i == 3)) |
| lvalue = true; |
| break; |
| #ifdef AMD_EXTENSIONS |
| case glslang::EOpSparseTextureLodOffset: |
| case glslang::EOpSparseTextureGrad: |
| case glslang::EOpSparseTextureOffsetClamp: |
| if ((f16ShadowCompare && i == 5) || (! f16ShadowCompare && i == 4)) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureGradOffset: |
| case glslang::EOpSparseTextureGradClamp: |
| if ((f16ShadowCompare && i == 6) || (! f16ShadowCompare && i == 5)) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureGradOffsetClamp: |
| if ((f16ShadowCompare && i == 7) || (! f16ShadowCompare && i == 6)) |
| lvalue = true; |
| break; |
| #else |
| case glslang::EOpSparseTextureLodOffset: |
| case glslang::EOpSparseTextureGrad: |
| case glslang::EOpSparseTextureOffsetClamp: |
| if (i == 4) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureGradOffset: |
| case glslang::EOpSparseTextureGradClamp: |
| if (i == 5) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureGradOffsetClamp: |
| if (i == 6) |
| lvalue = true; |
| break; |
| #endif |
| case glslang::EOpSparseTextureGather: |
| if ((sampler.shadow && i == 3) || (! sampler.shadow && i == 2)) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureGatherOffset: |
| case glslang::EOpSparseTextureGatherOffsets: |
| if ((sampler.shadow && i == 4) || (! sampler.shadow && i == 3)) |
| lvalue = true; |
| break; |
| #ifdef AMD_EXTENSIONS |
| case glslang::EOpSparseTextureGatherLod: |
| if (i == 3) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseTextureGatherLodOffset: |
| case glslang::EOpSparseTextureGatherLodOffsets: |
| if (i == 4) |
| lvalue = true; |
| break; |
| case glslang::EOpSparseImageLoadLod: |
| if (i == 3) |
| lvalue = true; |
| break; |
| #endif |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpImageSampleFootprintNV: |
| if (i == 4) |
| lvalue = true; |
| break; |
| case glslang::EOpImageSampleFootprintClampNV: |
| case glslang::EOpImageSampleFootprintLodNV: |
| if (i == 5) |
| lvalue = true; |
| break; |
| case glslang::EOpImageSampleFootprintGradNV: |
| if (i == 6) |
| lvalue = true; |
| break; |
| case glslang::EOpImageSampleFootprintGradClampNV: |
| if (i == 7) |
| lvalue = true; |
| break; |
| #endif |
| default: |
| break; |
| } |
| |
| if (lvalue) |
| arguments.push_back(builder.accessChainGetLValue()); |
| else |
| arguments.push_back(accessChainLoad(glslangArguments[i]->getAsTyped()->getType())); |
| } |
| } |
| |
| void TGlslangToSpvTraverser::translateArguments(glslang::TIntermUnary& node, std::vector<spv::Id>& arguments) |
| { |
| builder.clearAccessChain(); |
| node.getOperand()->traverse(this); |
| arguments.push_back(accessChainLoad(node.getOperand()->getType())); |
| } |
| |
| spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermOperator* node) |
| { |
| if (! node->isImage() && ! node->isTexture()) |
| return spv::NoResult; |
| |
| builder.setLine(node->getLoc().line); |
| |
| // Process a GLSL texturing op (will be SPV image) |
| |
| const glslang::TType &imageType = node->getAsAggregate() ? node->getAsAggregate()->getSequence()[0]->getAsTyped()->getType() |
| : node->getAsUnaryNode()->getOperand()->getAsTyped()->getType(); |
| const glslang::TSampler sampler = imageType.getSampler(); |
| #ifdef AMD_EXTENSIONS |
| bool f16ShadowCompare = (sampler.shadow && node->getAsAggregate()) |
| ? node->getAsAggregate()->getSequence()[1]->getAsTyped()->getType().getBasicType() == glslang::EbtFloat16 |
| : false; |
| #endif |
| |
| std::vector<spv::Id> arguments; |
| if (node->getAsAggregate()) |
| translateArguments(*node->getAsAggregate(), arguments); |
| else |
| translateArguments(*node->getAsUnaryNode(), arguments); |
| spv::Decoration precision = TranslatePrecisionDecoration(node->getOperationPrecision()); |
| |
| spv::Builder::TextureParameters params = { }; |
| params.sampler = arguments[0]; |
| |
| glslang::TCrackedTextureOp cracked; |
| node->crackTexture(sampler, cracked); |
| |
| const bool isUnsignedResult = node->getType().getBasicType() == glslang::EbtUint; |
| |
| // Check for queries |
| if (cracked.query) { |
| // OpImageQueryLod works on a sampled image, for other queries the image has to be extracted first |
| if (node->getOp() != glslang::EOpTextureQueryLod && builder.isSampledImage(params.sampler)) |
| params.sampler = builder.createUnaryOp(spv::OpImage, builder.getImageType(params.sampler), params.sampler); |
| |
| switch (node->getOp()) { |
| case glslang::EOpImageQuerySize: |
| case glslang::EOpTextureQuerySize: |
| if (arguments.size() > 1) { |
| params.lod = arguments[1]; |
| return builder.createTextureQueryCall(spv::OpImageQuerySizeLod, params, isUnsignedResult); |
| } else |
| return builder.createTextureQueryCall(spv::OpImageQuerySize, params, isUnsignedResult); |
| case glslang::EOpImageQuerySamples: |
| case glslang::EOpTextureQuerySamples: |
| return builder.createTextureQueryCall(spv::OpImageQuerySamples, params, isUnsignedResult); |
| case glslang::EOpTextureQueryLod: |
| params.coords = arguments[1]; |
| return builder.createTextureQueryCall(spv::OpImageQueryLod, params, isUnsignedResult); |
| case glslang::EOpTextureQueryLevels: |
| return builder.createTextureQueryCall(spv::OpImageQueryLevels, params, isUnsignedResult); |
| case glslang::EOpSparseTexelsResident: |
| return builder.createUnaryOp(spv::OpImageSparseTexelsResident, builder.makeBoolType(), arguments[0]); |
| default: |
| assert(0); |
| break; |
| } |
| } |
| |
| int components = node->getType().getVectorSize(); |
| |
| if (node->getOp() == glslang::EOpTextureFetch) { |
| // These must produce 4 components, per SPIR-V spec. We'll add a conversion constructor if needed. |
| // This will only happen through the HLSL path for operator[], so we do not have to handle e.g. |
| // the EOpTexture/Proj/Lod/etc family. It would be harmless to do so, but would need more logic |
| // here around e.g. which ones return scalars or other types. |
| components = 4; |
| } |
| |
| glslang::TType returnType(node->getType().getBasicType(), glslang::EvqTemporary, components); |
| |
| auto resultType = [&returnType,this]{ return convertGlslangToSpvType(returnType); }; |
| |
| // Check for image functions other than queries |
| if (node->isImage()) { |
| std::vector<spv::IdImmediate> operands; |
| auto opIt = arguments.begin(); |
| spv::IdImmediate image = { true, *(opIt++) }; |
| operands.push_back(image); |
| |
| // Handle subpass operations |
| // TODO: GLSL should change to have the "MS" only on the type rather than the |
| // built-in function. |
| if (cracked.subpass) { |
| // add on the (0,0) coordinate |
| spv::Id zero = builder.makeIntConstant(0); |
| std::vector<spv::Id> comps; |
| comps.push_back(zero); |
| comps.push_back(zero); |
| spv::IdImmediate coord = { true, |
| builder.makeCompositeConstant(builder.makeVectorType(builder.makeIntType(32), 2), comps) }; |
| operands.push_back(coord); |
| if (sampler.ms) { |
| spv::IdImmediate imageOperands = { false, spv::ImageOperandsSampleMask }; |
| operands.push_back(imageOperands); |
| spv::IdImmediate imageOperand = { true, *(opIt++) }; |
| operands.push_back(imageOperand); |
| } |
| spv::Id result = builder.createOp(spv::OpImageRead, resultType(), operands); |
| builder.setPrecision(result, precision); |
| return result; |
| } |
| |
| spv::IdImmediate coord = { true, *(opIt++) }; |
| operands.push_back(coord); |
| #ifdef AMD_EXTENSIONS |
| if (node->getOp() == glslang::EOpImageLoad || node->getOp() == glslang::EOpImageLoadLod) { |
| #else |
| if (node->getOp() == glslang::EOpImageLoad) { |
| #endif |
| spv::ImageOperandsMask mask = spv::ImageOperandsMaskNone; |
| if (sampler.ms) { |
| mask = mask | spv::ImageOperandsSampleMask; |
| } |
| #ifdef AMD_EXTENSIONS |
| if (cracked.lod) { |
| builder.addExtension(spv::E_SPV_AMD_shader_image_load_store_lod); |
| builder.addCapability(spv::CapabilityImageReadWriteLodAMD); |
| mask = mask | spv::ImageOperandsLodMask; |
| } |
| #endif |
| mask = mask | TranslateImageOperands(TranslateCoherent(imageType)); |
| mask = (spv::ImageOperandsMask)(mask & ~spv::ImageOperandsMakeTexelAvailableKHRMask); |
| if (mask) { |
| spv::IdImmediate imageOperands = { false, (unsigned int)mask }; |
| operands.push_back(imageOperands); |
| } |
| if (mask & spv::ImageOperandsSampleMask) { |
| spv::IdImmediate imageOperand = { true, *opIt++ }; |
| operands.push_back(imageOperand); |
| } |
| #ifdef AMD_EXTENSIONS |
| if (mask & spv::ImageOperandsLodMask) { |
| spv::IdImmediate imageOperand = { true, *opIt++ }; |
| operands.push_back(imageOperand); |
| } |
| #endif |
| if (mask & spv::ImageOperandsMakeTexelVisibleKHRMask) { |
| spv::IdImmediate imageOperand = { true, builder.makeUintConstant(TranslateMemoryScope(TranslateCoherent(imageType))) }; |
| operands.push_back(imageOperand); |
| } |
| |
| if (builder.getImageTypeFormat(builder.getImageType(operands.front().word)) == spv::ImageFormatUnknown) |
| builder.addCapability(spv::CapabilityStorageImageReadWithoutFormat); |
| |
| std::vector<spv::Id> result(1, builder.createOp(spv::OpImageRead, resultType(), operands)); |
| builder.setPrecision(result[0], precision); |
| |
| // If needed, add a conversion constructor to the proper size. |
| if (components != node->getType().getVectorSize()) |
| result[0] = builder.createConstructor(precision, result, convertGlslangToSpvType(node->getType())); |
| |
| return result[0]; |
| #ifdef AMD_EXTENSIONS |
| } else if (node->getOp() == glslang::EOpImageStore || node->getOp() == glslang::EOpImageStoreLod) { |
| #else |
| } else if (node->getOp() == glslang::EOpImageStore) { |
| #endif |
| |
| // Push the texel value before the operands |
| #ifdef AMD_EXTENSIONS |
| if (sampler.ms || cracked.lod) { |
| #else |
| if (sampler.ms) { |
| #endif |
| spv::IdImmediate texel = { true, *(opIt + 1) }; |
| operands.push_back(texel); |
| } else { |
| spv::IdImmediate texel = { true, *opIt }; |
| operands.push_back(texel); |
| } |
| |
| spv::ImageOperandsMask mask = spv::ImageOperandsMaskNone; |
| if (sampler.ms) { |
| mask = mask | spv::ImageOperandsSampleMask; |
| } |
| #ifdef AMD_EXTENSIONS |
| if (cracked.lod) { |
| builder.addExtension(spv::E_SPV_AMD_shader_image_load_store_lod); |
| builder.addCapability(spv::CapabilityImageReadWriteLodAMD); |
| mask = mask | spv::ImageOperandsLodMask; |
| } |
| #endif |
| mask = mask | TranslateImageOperands(TranslateCoherent(imageType)); |
| mask = (spv::ImageOperandsMask)(mask & ~spv::ImageOperandsMakeTexelVisibleKHRMask); |
| if (mask) { |
| spv::IdImmediate imageOperands = { false, (unsigned int)mask }; |
| operands.push_back(imageOperands); |
| } |
| if (mask & spv::ImageOperandsSampleMask) { |
| spv::IdImmediate imageOperand = { true, *opIt++ }; |
| operands.push_back(imageOperand); |
| } |
| #ifdef AMD_EXTENSIONS |
| if (mask & spv::ImageOperandsLodMask) { |
| spv::IdImmediate imageOperand = { true, *opIt++ }; |
| operands.push_back(imageOperand); |
| } |
| #endif |
| if (mask & spv::ImageOperandsMakeTexelAvailableKHRMask) { |
| spv::IdImmediate imageOperand = { true, builder.makeUintConstant(TranslateMemoryScope(TranslateCoherent(imageType))) }; |
| operands.push_back(imageOperand); |
| } |
| |
| builder.createNoResultOp(spv::OpImageWrite, operands); |
| if (builder.getImageTypeFormat(builder.getImageType(operands.front().word)) == spv::ImageFormatUnknown) |
| builder.addCapability(spv::CapabilityStorageImageWriteWithoutFormat); |
| return spv::NoResult; |
| #ifdef AMD_EXTENSIONS |
| } else if (node->getOp() == glslang::EOpSparseImageLoad || node->getOp() == glslang::EOpSparseImageLoadLod) { |
| #else |
| } else if (node->getOp() == glslang::EOpSparseImageLoad) { |
| #endif |
| builder.addCapability(spv::CapabilitySparseResidency); |
| if (builder.getImageTypeFormat(builder.getImageType(operands.front().word)) == spv::ImageFormatUnknown) |
| builder.addCapability(spv::CapabilityStorageImageReadWithoutFormat); |
| |
| spv::ImageOperandsMask mask = spv::ImageOperandsMaskNone; |
| if (sampler.ms) { |
| mask = mask | spv::ImageOperandsSampleMask; |
| } |
| #ifdef AMD_EXTENSIONS |
| if (cracked.lod) { |
| builder.addExtension(spv::E_SPV_AMD_shader_image_load_store_lod); |
| builder.addCapability(spv::CapabilityImageReadWriteLodAMD); |
| |
| mask = mask | spv::ImageOperandsLodMask; |
| } |
| #endif |
| mask = mask | TranslateImageOperands(TranslateCoherent(imageType)); |
| mask = (spv::ImageOperandsMask)(mask & ~spv::ImageOperandsMakeTexelAvailableKHRMask); |
| if (mask) { |
| spv::IdImmediate imageOperands = { false, (unsigned int)mask }; |
| operands.push_back(imageOperands); |
| } |
| if (mask & spv::ImageOperandsSampleMask) { |
| spv::IdImmediate imageOperand = { true, *opIt++ }; |
| operands.push_back(imageOperand); |
| } |
| #ifdef AMD_EXTENSIONS |
| if (mask & spv::ImageOperandsLodMask) { |
| spv::IdImmediate imageOperand = { true, *opIt++ }; |
| operands.push_back(imageOperand); |
| } |
| #endif |
| if (mask & spv::ImageOperandsMakeTexelVisibleKHRMask) { |
| spv::IdImmediate imageOperand = { true, builder.makeUintConstant(TranslateMemoryScope(TranslateCoherent(imageType))) }; |
| operands.push_back(imageOperand); |
| } |
| |
| // Create the return type that was a special structure |
| spv::Id texelOut = *opIt; |
| spv::Id typeId0 = resultType(); |
| spv::Id typeId1 = builder.getDerefTypeId(texelOut); |
| spv::Id resultTypeId = builder.makeStructResultType(typeId0, typeId1); |
| |
| spv::Id resultId = builder.createOp(spv::OpImageSparseRead, resultTypeId, operands); |
| |
| // Decode the return type |
| builder.createStore(builder.createCompositeExtract(resultId, typeId1, 1), texelOut); |
| return builder.createCompositeExtract(resultId, typeId0, 0); |
| } else { |
| // Process image atomic operations |
| |
| // GLSL "IMAGE_PARAMS" will involve in constructing an image texel pointer and this pointer, |
| // as the first source operand, is required by SPIR-V atomic operations. |
| // For non-MS, the sample value should be 0 |
| spv::IdImmediate sample = { true, sampler.ms ? *(opIt++) : builder.makeUintConstant(0) }; |
| operands.push_back(sample); |
| |
| spv::Id resultTypeId; |
| // imageAtomicStore has a void return type so base the pointer type on |
| // the type of the value operand. |
| if (node->getOp() == glslang::EOpImageAtomicStore) { |
| resultTypeId = builder.makePointer(spv::StorageClassImage, builder.getTypeId(operands[2].word)); |
| } else { |
| resultTypeId = builder.makePointer(spv::StorageClassImage, resultType()); |
| } |
| spv::Id pointer = builder.createOp(spv::OpImageTexelPointer, resultTypeId, operands); |
| |
| std::vector<spv::Id> operands; |
| operands.push_back(pointer); |
| for (; opIt != arguments.end(); ++opIt) |
| operands.push_back(*opIt); |
| |
| return createAtomicOperation(node->getOp(), precision, resultType(), operands, node->getBasicType()); |
| } |
| } |
| |
| #ifdef AMD_EXTENSIONS |
| // Check for fragment mask functions other than queries |
| if (cracked.fragMask) { |
| assert(sampler.ms); |
| |
| auto opIt = arguments.begin(); |
| std::vector<spv::Id> operands; |
| |
| // Extract the image if necessary |
| if (builder.isSampledImage(params.sampler)) |
| params.sampler = builder.createUnaryOp(spv::OpImage, builder.getImageType(params.sampler), params.sampler); |
| |
| operands.push_back(params.sampler); |
| ++opIt; |
| |
| if (sampler.isSubpass()) { |
| // add on the (0,0) coordinate |
| spv::Id zero = builder.makeIntConstant(0); |
| std::vector<spv::Id> comps; |
| comps.push_back(zero); |
| comps.push_back(zero); |
| operands.push_back(builder.makeCompositeConstant(builder.makeVectorType(builder.makeIntType(32), 2), comps)); |
| } |
| |
| for (; opIt != arguments.end(); ++opIt) |
| operands.push_back(*opIt); |
| |
| spv::Op fragMaskOp = spv::OpNop; |
| if (node->getOp() == glslang::EOpFragmentMaskFetch) |
| fragMaskOp = spv::OpFragmentMaskFetchAMD; |
| else if (node->getOp() == glslang::EOpFragmentFetch) |
| fragMaskOp = spv::OpFragmentFetchAMD; |
| |
| builder.addExtension(spv::E_SPV_AMD_shader_fragment_mask); |
| builder.addCapability(spv::CapabilityFragmentMaskAMD); |
| return builder.createOp(fragMaskOp, resultType(), operands); |
| } |
| #endif |
| |
| // Check for texture functions other than queries |
| bool sparse = node->isSparseTexture(); |
| #ifdef NV_EXTENSIONS |
| bool imageFootprint = node->isImageFootprint(); |
| #endif |
| |
| bool cubeCompare = sampler.dim == glslang::EsdCube && sampler.arrayed && sampler.shadow; |
| |
| // check for bias argument |
| bool bias = false; |
| #ifdef AMD_EXTENSIONS |
| if (! cracked.lod && ! cracked.grad && ! cracked.fetch && ! cubeCompare) { |
| #else |
| if (! cracked.lod && ! cracked.gather && ! cracked.grad && ! cracked.fetch && ! cubeCompare) { |
| #endif |
| int nonBiasArgCount = 2; |
| #ifdef AMD_EXTENSIONS |
| if (cracked.gather) |
| ++nonBiasArgCount; // comp argument should be present when bias argument is present |
| |
| if (f16ShadowCompare) |
| ++nonBiasArgCount; |
| #endif |
| if (cracked.offset) |
| ++nonBiasArgCount; |
| #ifdef AMD_EXTENSIONS |
| else if (cracked.offsets) |
| ++nonBiasArgCount; |
| #endif |
| if (cracked.grad) |
| nonBiasArgCount += 2; |
| if (cracked.lodClamp) |
| ++nonBiasArgCount; |
| if (sparse) |
| ++nonBiasArgCount; |
| #ifdef NV_EXTENSIONS |
| if (imageFootprint) |
| //Following three extra arguments |
| // int granularity, bool coarse, out gl_TextureFootprint2DNV footprint |
| nonBiasArgCount += 3; |
| #endif |
| if ((int)arguments.size() > nonBiasArgCount) |
| bias = true; |
| } |
| |
| // See if the sampler param should really be just the SPV image part |
| if (cracked.fetch) { |
| // a fetch needs to have the image extracted first |
| if (builder.isSampledImage(params.sampler)) |
| params.sampler = builder.createUnaryOp(spv::OpImage, builder.getImageType(params.sampler), params.sampler); |
| } |
| |
| #ifdef AMD_EXTENSIONS |
| if (cracked.gather) { |
| const auto& sourceExtensions = glslangIntermediate->getRequestedExtensions(); |
| if (bias || cracked.lod || |
| sourceExtensions.find(glslang::E_GL_AMD_texture_gather_bias_lod) != sourceExtensions.end()) { |
| builder.addExtension(spv::E_SPV_AMD_texture_gather_bias_lod); |
| builder.addCapability(spv::CapabilityImageGatherBiasLodAMD); |
| } |
| } |
| #endif |
| |
| // set the rest of the arguments |
| |
| params.coords = arguments[1]; |
| int extraArgs = 0; |
| bool noImplicitLod = false; |
| |
| // sort out where Dref is coming from |
| #ifdef AMD_EXTENSIONS |
| if (cubeCompare || f16ShadowCompare) { |
| #else |
| if (cubeCompare) { |
| #endif |
| params.Dref = arguments[2]; |
| ++extraArgs; |
| } else if (sampler.shadow && cracked.gather) { |
| params.Dref = arguments[2]; |
| ++extraArgs; |
| } else if (sampler.shadow) { |
| std::vector<spv::Id> indexes; |
| int dRefComp; |
| if (cracked.proj) |
| dRefComp = 2; // "The resulting 3rd component of P in the shadow forms is used as Dref" |
| else |
| dRefComp = builder.getNumComponents(params.coords) - 1; |
| indexes.push_back(dRefComp); |
| params.Dref = builder.createCompositeExtract(params.coords, builder.getScalarTypeId(builder.getTypeId(params.coords)), indexes); |
| } |
| |
| // lod |
| if (cracked.lod) { |
| params.lod = arguments[2 + extraArgs]; |
| ++extraArgs; |
| } else if (glslangIntermediate->getStage() != EShLangFragment |
| #ifdef NV_EXTENSIONS |
| // NV_compute_shader_derivatives layout qualifiers allow for implicit LODs |
| && !(glslangIntermediate->getStage() == EShLangCompute && |
| (glslangIntermediate->getLayoutDerivativeModeNone() != glslang::LayoutDerivativeNone)) |
| #endif |
| ) { |
| // we need to invent the default lod for an explicit lod instruction for a non-fragment stage |
| noImplicitLod = true; |
| } |
| |
| // multisample |
| if (sampler.ms) { |
| params.sample = arguments[2 + extraArgs]; // For MS, "sample" should be specified |
| ++extraArgs; |
| } |
| |
| // gradient |
| if (cracked.grad) { |
| params.gradX = arguments[2 + extraArgs]; |
| params.gradY = arguments[3 + extraArgs]; |
| extraArgs += 2; |
| } |
| |
| // offset and offsets |
| if (cracked.offset) { |
| params.offset = arguments[2 + extraArgs]; |
| ++extraArgs; |
| } else if (cracked.offsets) { |
| params.offsets = arguments[2 + extraArgs]; |
| ++extraArgs; |
| } |
| |
| // lod clamp |
| if (cracked.lodClamp) { |
| params.lodClamp = arguments[2 + extraArgs]; |
| ++extraArgs; |
| } |
| // sparse |
| if (sparse) { |
| params.texelOut = arguments[2 + extraArgs]; |
| ++extraArgs; |
| } |
| |
| // gather component |
| if (cracked.gather && ! sampler.shadow) { |
| // default component is 0, if missing, otherwise an argument |
| if (2 + extraArgs < (int)arguments.size()) { |
| params.component = arguments[2 + extraArgs]; |
| ++extraArgs; |
| } else |
| params.component = builder.makeIntConstant(0); |
| } |
| #ifdef NV_EXTENSIONS |
| spv::Id resultStruct = spv::NoResult; |
| if (imageFootprint) { |
| //Following three extra arguments |
| // int granularity, bool coarse, out gl_TextureFootprint2DNV footprint |
| params.granularity = arguments[2 + extraArgs]; |
| params.coarse = arguments[3 + extraArgs]; |
| resultStruct = arguments[4 + extraArgs]; |
| extraArgs += 3; |
| } |
| #endif |
| // bias |
| if (bias) { |
| params.bias = arguments[2 + extraArgs]; |
| ++extraArgs; |
| } |
| |
| #ifdef NV_EXTENSIONS |
| if (imageFootprint) { |
| builder.addExtension(spv::E_SPV_NV_shader_image_footprint); |
| builder.addCapability(spv::CapabilityImageFootprintNV); |
| |
| |
| //resultStructType(OpenGL type) contains 5 elements: |
| //struct gl_TextureFootprint2DNV { |
| // uvec2 anchor; |
| // uvec2 offset; |
| // uvec2 mask; |
| // uint lod; |
| // uint granularity; |
| //}; |
| //or |
| //struct gl_TextureFootprint3DNV { |
| // uvec3 anchor; |
| // uvec3 offset; |
| // uvec2 mask; |
| // uint lod; |
| // uint granularity; |
| //}; |
| spv::Id resultStructType = builder.getContainedTypeId(builder.getTypeId(resultStruct)); |
| assert(builder.isStructType(resultStructType)); |
| |
| //resType (SPIR-V type) contains 6 elements: |
| //Member 0 must be a Boolean type scalar(LOD), |
| //Member 1 must be a vector of integer type, whose Signedness operand is 0(anchor), |
| //Member 2 must be a vector of integer type, whose Signedness operand is 0(offset), |
| //Member 3 must be a vector of integer type, whose Signedness operand is 0(mask), |
| //Member 4 must be a scalar of integer type, whose Signedness operand is 0(lod), |
| //Member 5 must be a scalar of integer type, whose Signedness operand is 0(granularity). |
| std::vector<spv::Id> members; |
| members.push_back(resultType()); |
| for (int i = 0; i < 5; i++) { |
| members.push_back(builder.getContainedTypeId(resultStructType, i)); |
| } |
| spv::Id resType = builder.makeStructType(members, "ResType"); |
| |
| //call ImageFootprintNV |
| spv::Id res = builder.createTextureCall(precision, resType, sparse, cracked.fetch, cracked.proj, cracked.gather, noImplicitLod, params); |
| |
| //copy resType (SPIR-V type) to resultStructType(OpenGL type) |
| for (int i = 0; i < 5; i++) { |
| builder.clearAccessChain(); |
| builder.setAccessChainLValue(resultStruct); |
| |
| //Accessing to a struct we created, no coherent flag is set |
| spv::Builder::AccessChain::CoherentFlags flags; |
| flags.clear(); |
| |
| builder.accessChainPush(builder.makeIntConstant(i), flags); |
| builder.accessChainStore(builder.createCompositeExtract(res, builder.getContainedTypeId(resType, i+1), i+1)); |
| } |
| return builder.createCompositeExtract(res, resultType(), 0); |
| } |
| #endif |
| |
| // projective component (might not to move) |
| // GLSL: "The texture coordinates consumed from P, not including the last component of P, |
| // are divided by the last component of P." |
| // SPIR-V: "... (u [, v] [, w], q)... It may be a vector larger than needed, but all |
| // unused components will appear after all used components." |
| if (cracked.proj) { |
| int projSourceComp = builder.getNumComponents(params.coords) - 1; |
| int projTargetComp; |
| switch (sampler.dim) { |
| case glslang::Esd1D: projTargetComp = 1; break; |
| case glslang::Esd2D: projTargetComp = 2; break; |
| case glslang::EsdRect: projTargetComp = 2; break; |
| default: projTargetComp = projSourceComp; break; |
| } |
| // copy the projective coordinate if we have to |
| if (projTargetComp != projSourceComp) { |
| spv::Id projComp = builder.createCompositeExtract(params.coords, |
| builder.getScalarTypeId(builder.getTypeId(params.coords)), |
| projSourceComp); |
| params.coords = builder.createCompositeInsert(projComp, params.coords, |
| builder.getTypeId(params.coords), projTargetComp); |
| } |
| } |
| |
| // nonprivate |
| if (imageType.getQualifier().nonprivate) { |
| params.nonprivate = true; |
| } |
| |
| // volatile |
| if (imageType.getQualifier().volatil) { |
| params.volatil = true; |
| } |
| |
| std::vector<spv::Id> result( 1, |
| builder.createTextureCall(precision, resultType(), sparse, cracked.fetch, cracked.proj, cracked.gather, noImplicitLod, params) |
| ); |
| |
| if (components != node->getType().getVectorSize()) |
| result[0] = builder.createConstructor(precision, result, convertGlslangToSpvType(node->getType())); |
| |
| return result[0]; |
| } |
| |
| spv::Id TGlslangToSpvTraverser::handleUserFunctionCall(const glslang::TIntermAggregate* node) |
| { |
| // Grab the function's pointer from the previously created function |
| spv::Function* function = functionMap[node->getName().c_str()]; |
| if (! function) |
| return 0; |
| |
| const glslang::TIntermSequence& glslangArgs = node->getSequence(); |
| const glslang::TQualifierList& qualifiers = node->getQualifierList(); |
| |
| // See comments in makeFunctions() for details about the semantics for parameter passing. |
| // |
| // These imply we need a four step process: |
| // 1. Evaluate the arguments |
| // 2. Allocate and make copies of in, out, and inout arguments |
| // 3. Make the call |
| // 4. Copy back the results |
| |
| // 1. Evaluate the arguments and their types |
| std::vector<spv::Builder::AccessChain> lValues; |
| std::vector<spv::Id> rValues; |
| std::vector<const glslang::TType*> argTypes; |
| for (int a = 0; a < (int)glslangArgs.size(); ++a) { |
| argTypes.push_back(&glslangArgs[a]->getAsTyped()->getType()); |
| // build l-value |
| builder.clearAccessChain(); |
| glslangArgs[a]->traverse(this); |
| // keep outputs and pass-by-originals as l-values, evaluate others as r-values |
| if (originalParam(qualifiers[a], *argTypes[a], function->hasImplicitThis() && a == 0) || |
| writableParam(qualifiers[a])) { |
| // save l-value |
| lValues.push_back(builder.getAccessChain()); |
| } else { |
| // process r-value |
| rValues.push_back(accessChainLoad(*argTypes.back())); |
| } |
| } |
| |
| // 2. Allocate space for anything needing a copy, and if it's "in" or "inout" |
| // copy the original into that space. |
| // |
| // Also, build up the list of actual arguments to pass in for the call |
| int lValueCount = 0; |
| int rValueCount = 0; |
| std::vector<spv::Id> spvArgs; |
| for (int a = 0; a < (int)glslangArgs.size(); ++a) { |
| spv::Id arg; |
| if (originalParam(qualifiers[a], *argTypes[a], function->hasImplicitThis() && a == 0)) { |
| builder.setAccessChain(lValues[lValueCount]); |
| arg = builder.accessChainGetLValue(); |
| ++lValueCount; |
| } else if (writableParam(qualifiers[a])) { |
| // need space to hold the copy |
| arg = builder.createVariable(spv::StorageClassFunction, builder.getContainedTypeId(function->getParamType(a)), "param"); |
| if (qualifiers[a] == glslang::EvqIn || qualifiers[a] == glslang::EvqInOut) { |
| // need to copy the input into output space |
| builder.setAccessChain(lValues[lValueCount]); |
| spv::Id copy = accessChainLoad(*argTypes[a]); |
| builder.clearAccessChain(); |
| builder.setAccessChainLValue(arg); |
| multiTypeStore(*argTypes[a], copy); |
| } |
| ++lValueCount; |
| } else { |
| // process r-value, which involves a copy for a type mismatch |
| if (function->getParamType(a) != convertGlslangToSpvType(*argTypes[a])) { |
| spv::Id argCopy = builder.createVariable(spv::StorageClassFunction, function->getParamType(a), "arg"); |
| builder.clearAccessChain(); |
| builder.setAccessChainLValue(argCopy); |
| multiTypeStore(*argTypes[a], rValues[rValueCount]); |
| arg = builder.createLoad(argCopy); |
| } else |
| arg = rValues[rValueCount]; |
| ++rValueCount; |
| } |
| spvArgs.push_back(arg); |
| } |
| |
| // 3. Make the call. |
| spv::Id result = builder.createFunctionCall(function, spvArgs); |
| builder.setPrecision(result, TranslatePrecisionDecoration(node->getType())); |
| |
| // 4. Copy back out an "out" arguments. |
| lValueCount = 0; |
| for (int a = 0; a < (int)glslangArgs.size(); ++a) { |
| if (originalParam(qualifiers[a], *argTypes[a], function->hasImplicitThis() && a == 0)) |
| ++lValueCount; |
| else if (writableParam(qualifiers[a])) { |
| if (qualifiers[a] == glslang::EvqOut || qualifiers[a] == glslang::EvqInOut) { |
| spv::Id copy = builder.createLoad(spvArgs[a]); |
| builder.setAccessChain(lValues[lValueCount]); |
| multiTypeStore(*argTypes[a], copy); |
| } |
| ++lValueCount; |
| } |
| } |
| |
| return result; |
| } |
| |
| // Translate AST operation to SPV operation, already having SPV-based operands/types. |
| spv::Id TGlslangToSpvTraverser::createBinaryOperation(glslang::TOperator op, OpDecorations& decorations, |
| spv::Id typeId, spv::Id left, spv::Id right, |
| glslang::TBasicType typeProxy, bool reduceComparison) |
| { |
| bool isUnsigned = isTypeUnsignedInt(typeProxy); |
| bool isFloat = isTypeFloat(typeProxy); |
| bool isBool = typeProxy == glslang::EbtBool; |
| |
| spv::Op binOp = spv::OpNop; |
| bool needMatchingVectors = true; // for non-matrix ops, would a scalar need to smear to match a vector? |
| bool comparison = false; |
| |
| switch (op) { |
| case glslang::EOpAdd: |
| case glslang::EOpAddAssign: |
| if (isFloat) |
| binOp = spv::OpFAdd; |
| else |
| binOp = spv::OpIAdd; |
| break; |
| case glslang::EOpSub: |
| case glslang::EOpSubAssign: |
| if (isFloat) |
| binOp = spv::OpFSub; |
| else |
| binOp = spv::OpISub; |
| break; |
| case glslang::EOpMul: |
| case glslang::EOpMulAssign: |
| if (isFloat) |
| binOp = spv::OpFMul; |
| else |
| binOp = spv::OpIMul; |
| break; |
| case glslang::EOpVectorTimesScalar: |
| case glslang::EOpVectorTimesScalarAssign: |
| if (isFloat && (builder.isVector(left) || builder.isVector(right))) { |
| if (builder.isVector(right)) |
| std::swap(left, right); |
| assert(builder.isScalar(right)); |
| needMatchingVectors = false; |
| binOp = spv::OpVectorTimesScalar; |
| } else if (isFloat) |
| binOp = spv::OpFMul; |
| else |
| binOp = spv::OpIMul; |
| break; |
| case glslang::EOpVectorTimesMatrix: |
| case glslang::EOpVectorTimesMatrixAssign: |
| binOp = spv::OpVectorTimesMatrix; |
| break; |
| case glslang::EOpMatrixTimesVector: |
| binOp = spv::OpMatrixTimesVector; |
| break; |
| case glslang::EOpMatrixTimesScalar: |
| case glslang::EOpMatrixTimesScalarAssign: |
| binOp = spv::OpMatrixTimesScalar; |
| break; |
| case glslang::EOpMatrixTimesMatrix: |
| case glslang::EOpMatrixTimesMatrixAssign: |
| binOp = spv::OpMatrixTimesMatrix; |
| break; |
| case glslang::EOpOuterProduct: |
| binOp = spv::OpOuterProduct; |
| needMatchingVectors = false; |
| break; |
| |
| case glslang::EOpDiv: |
| case glslang::EOpDivAssign: |
| if (isFloat) |
| binOp = spv::OpFDiv; |
| else if (isUnsigned) |
| binOp = spv::OpUDiv; |
| else |
| binOp = spv::OpSDiv; |
| break; |
| case glslang::EOpMod: |
| case glslang::EOpModAssign: |
| if (isFloat) |
| binOp = spv::OpFMod; |
| else if (isUnsigned) |
| binOp = spv::OpUMod; |
| else |
| binOp = spv::OpSMod; |
| break; |
| case glslang::EOpRightShift: |
| case glslang::EOpRightShiftAssign: |
| if (isUnsigned) |
| binOp = spv::OpShiftRightLogical; |
| else |
| binOp = spv::OpShiftRightArithmetic; |
| break; |
| case glslang::EOpLeftShift: |
| case glslang::EOpLeftShiftAssign: |
| binOp = spv::OpShiftLeftLogical; |
| break; |
| case glslang::EOpAnd: |
| case glslang::EOpAndAssign: |
| binOp = spv::OpBitwiseAnd; |
| break; |
| case glslang::EOpLogicalAnd: |
| needMatchingVectors = false; |
| binOp = spv::OpLogicalAnd; |
| break; |
| case glslang::EOpInclusiveOr: |
| case glslang::EOpInclusiveOrAssign: |
| binOp = spv::OpBitwiseOr; |
| break; |
| case glslang::EOpLogicalOr: |
| needMatchingVectors = false; |
| binOp = spv::OpLogicalOr; |
| break; |
| case glslang::EOpExclusiveOr: |
| case glslang::EOpExclusiveOrAssign: |
| binOp = spv::OpBitwiseXor; |
| break; |
| case glslang::EOpLogicalXor: |
| needMatchingVectors = false; |
| binOp = spv::OpLogicalNotEqual; |
| break; |
| |
| case glslang::EOpLessThan: |
| case glslang::EOpGreaterThan: |
| case glslang::EOpLessThanEqual: |
| case glslang::EOpGreaterThanEqual: |
| case glslang::EOpEqual: |
| case glslang::EOpNotEqual: |
| case glslang::EOpVectorEqual: |
| case glslang::EOpVectorNotEqual: |
| comparison = true; |
| break; |
| default: |
| break; |
| } |
| |
| // handle mapped binary operations (should be non-comparison) |
| if (binOp != spv::OpNop) { |
| assert(comparison == false); |
| if (builder.isMatrix(left) || builder.isMatrix(right)) |
| return createBinaryMatrixOperation(binOp, decorations, typeId, left, right); |
| |
| // No matrix involved; make both operands be the same number of components, if needed |
| if (needMatchingVectors) |
| builder.promoteScalar(decorations.precision, left, right); |
| |
| spv::Id result = builder.createBinOp(binOp, typeId, left, right); |
| builder.addDecoration(result, decorations.noContraction); |
| builder.addDecoration(result, decorations.nonUniform); |
| return builder.setPrecision(result, decorations.precision); |
| } |
| |
| if (! comparison) |
| return 0; |
| |
| // Handle comparison instructions |
| |
| if (reduceComparison && (op == glslang::EOpEqual || op == glslang::EOpNotEqual) |
| && (builder.isVector(left) || builder.isMatrix(left) || builder.isAggregate(left))) { |
| spv::Id result = builder.createCompositeCompare(decorations.precision, left, right, op == glslang::EOpEqual); |
| builder.addDecoration(result, decorations.nonUniform); |
| return result; |
| } |
| |
| switch (op) { |
| case glslang::EOpLessThan: |
| if (isFloat) |
| binOp = spv::OpFOrdLessThan; |
| else if (isUnsigned) |
| binOp = spv::OpULessThan; |
| else |
| binOp = spv::OpSLessThan; |
| break; |
| case glslang::EOpGreaterThan: |
| if (isFloat) |
| binOp = spv::OpFOrdGreaterThan; |
| else if (isUnsigned) |
| binOp = spv::OpUGreaterThan; |
| else |
| binOp = spv::OpSGreaterThan; |
| break; |
| case glslang::EOpLessThanEqual: |
| if (isFloat) |
| binOp = spv::OpFOrdLessThanEqual; |
| else if (isUnsigned) |
| binOp = spv::OpULessThanEqual; |
| else |
| binOp = spv::OpSLessThanEqual; |
| break; |
| case glslang::EOpGreaterThanEqual: |
| if (isFloat) |
| binOp = spv::OpFOrdGreaterThanEqual; |
| else if (isUnsigned) |
| binOp = spv::OpUGreaterThanEqual; |
| else |
| binOp = spv::OpSGreaterThanEqual; |
| break; |
| case glslang::EOpEqual: |
| case glslang::EOpVectorEqual: |
| if (isFloat) |
| binOp = spv::OpFOrdEqual; |
| else if (isBool) |
| binOp = spv::OpLogicalEqual; |
| else |
| binOp = spv::OpIEqual; |
| break; |
| case glslang::EOpNotEqual: |
| case glslang::EOpVectorNotEqual: |
| if (isFloat) |
| binOp = spv::OpFOrdNotEqual; |
| else if (isBool) |
| binOp = spv::OpLogicalNotEqual; |
| else |
| binOp = spv::OpINotEqual; |
| break; |
| default: |
| break; |
| } |
| |
| if (binOp != spv::OpNop) { |
| spv::Id result = builder.createBinOp(binOp, typeId, left, right); |
| builder.addDecoration(result, decorations.noContraction); |
| builder.addDecoration(result, decorations.nonUniform); |
| return builder.setPrecision(result, decorations.precision); |
| } |
| |
| return 0; |
| } |
| |
| // |
| // Translate AST matrix operation to SPV operation, already having SPV-based operands/types. |
| // These can be any of: |
| // |
| // matrix * scalar |
| // scalar * matrix |
| // matrix * matrix linear algebraic |
| // matrix * vector |
| // vector * matrix |
| // matrix * matrix componentwise |
| // matrix op matrix op in {+, -, /} |
| // matrix op scalar op in {+, -, /} |
| // scalar op matrix op in {+, -, /} |
| // |
| spv::Id TGlslangToSpvTraverser::createBinaryMatrixOperation(spv::Op op, OpDecorations& decorations, spv::Id typeId, |
| spv::Id left, spv::Id right) |
| { |
| bool firstClass = true; |
| |
| // First, handle first-class matrix operations (* and matrix/scalar) |
| switch (op) { |
| case spv::OpFDiv: |
| if (builder.isMatrix(left) && builder.isScalar(right)) { |
| // turn matrix / scalar into a multiply... |
| spv::Id resultType = builder.getTypeId(right); |
| right = builder.createBinOp(spv::OpFDiv, resultType, builder.makeFpConstant(resultType, 1.0), right); |
| op = spv::OpMatrixTimesScalar; |
| } else |
| firstClass = false; |
| break; |
| case spv::OpMatrixTimesScalar: |
| if (builder.isMatrix(right)) |
| std::swap(left, right); |
| assert(builder.isScalar(right)); |
| break; |
| case spv::OpVectorTimesMatrix: |
| assert(builder.isVector(left)); |
| assert(builder.isMatrix(right)); |
| break; |
| case spv::OpMatrixTimesVector: |
| assert(builder.isMatrix(left)); |
| assert(builder.isVector(right)); |
| break; |
| case spv::OpMatrixTimesMatrix: |
| assert(builder.isMatrix(left)); |
| assert(builder.isMatrix(right)); |
| break; |
| default: |
| firstClass = false; |
| break; |
| } |
| |
| if (firstClass) { |
| spv::Id result = builder.createBinOp(op, typeId, left, right); |
| builder.addDecoration(result, decorations.noContraction); |
| builder.addDecoration(result, decorations.nonUniform); |
| return builder.setPrecision(result, decorations.precision); |
| } |
| |
| // Handle component-wise +, -, *, %, and / for all combinations of type. |
| // The result type of all of them is the same type as the (a) matrix operand. |
| // The algorithm is to: |
| // - break the matrix(es) into vectors |
| // - smear any scalar to a vector |
| // - do vector operations |
| // - make a matrix out the vector results |
| switch (op) { |
| case spv::OpFAdd: |
| case spv::OpFSub: |
| case spv::OpFDiv: |
| case spv::OpFMod: |
| case spv::OpFMul: |
| { |
| // one time set up... |
| bool leftMat = builder.isMatrix(left); |
| bool rightMat = builder.isMatrix(right); |
| unsigned int numCols = leftMat ? builder.getNumColumns(left) : builder.getNumColumns(right); |
| int numRows = leftMat ? builder.getNumRows(left) : builder.getNumRows(right); |
| spv::Id scalarType = builder.getScalarTypeId(typeId); |
| spv::Id vecType = builder.makeVectorType(scalarType, numRows); |
| std::vector<spv::Id> results; |
| spv::Id smearVec = spv::NoResult; |
| if (builder.isScalar(left)) |
| smearVec = builder.smearScalar(decorations.precision, left, vecType); |
| else if (builder.isScalar(right)) |
| smearVec = builder.smearScalar(decorations.precision, right, vecType); |
| |
| // do each vector op |
| for (unsigned int c = 0; c < numCols; ++c) { |
| std::vector<unsigned int> indexes; |
| indexes.push_back(c); |
| spv::Id leftVec = leftMat ? builder.createCompositeExtract( left, vecType, indexes) : smearVec; |
| spv::Id rightVec = rightMat ? builder.createCompositeExtract(right, vecType, indexes) : smearVec; |
| spv::Id result = builder.createBinOp(op, vecType, leftVec, rightVec); |
| builder.addDecoration(result, decorations.noContraction); |
| builder.addDecoration(result, decorations.nonUniform); |
| results.push_back(builder.setPrecision(result, decorations.precision)); |
| } |
| |
| // put the pieces together |
| spv::Id result = builder.setPrecision(builder.createCompositeConstruct(typeId, results), decorations.precision); |
| builder.addDecoration(result, decorations.nonUniform); |
| return result; |
| } |
| default: |
| assert(0); |
| return spv::NoResult; |
| } |
| } |
| |
| spv::Id TGlslangToSpvTraverser::createUnaryOperation(glslang::TOperator op, OpDecorations& decorations, spv::Id typeId, |
| spv::Id operand, glslang::TBasicType typeProxy) |
| { |
| spv::Op unaryOp = spv::OpNop; |
| int extBuiltins = -1; |
| int libCall = -1; |
| bool isUnsigned = isTypeUnsignedInt(typeProxy); |
| bool isFloat = isTypeFloat(typeProxy); |
| |
| switch (op) { |
| case glslang::EOpNegative: |
| if (isFloat) { |
| unaryOp = spv::OpFNegate; |
| if (builder.isMatrixType(typeId)) |
| return createUnaryMatrixOperation(unaryOp, decorations, typeId, operand, typeProxy); |
| } else |
| unaryOp = spv::OpSNegate; |
| break; |
| |
| case glslang::EOpLogicalNot: |
| case glslang::EOpVectorLogicalNot: |
| unaryOp = spv::OpLogicalNot; |
| break; |
| case glslang::EOpBitwiseNot: |
| unaryOp = spv::OpNot; |
| break; |
| |
| case glslang::EOpDeterminant: |
| libCall = spv::GLSLstd450Determinant; |
| break; |
| case glslang::EOpMatrixInverse: |
| libCall = spv::GLSLstd450MatrixInverse; |
| break; |
| case glslang::EOpTranspose: |
| unaryOp = spv::OpTranspose; |
| break; |
| |
| case glslang::EOpRadians: |
| libCall = spv::GLSLstd450Radians; |
| break; |
| case glslang::EOpDegrees: |
| libCall = spv::GLSLstd450Degrees; |
| break; |
| case glslang::EOpSin: |
| libCall = spv::GLSLstd450Sin; |
| break; |
| case glslang::EOpCos: |
| libCall = spv::GLSLstd450Cos; |
| break; |
| case glslang::EOpTan: |
| libCall = spv::GLSLstd450Tan; |
| break; |
| case glslang::EOpAcos: |
| libCall = spv::GLSLstd450Acos; |
| break; |
| case glslang::EOpAsin: |
| libCall = spv::GLSLstd450Asin; |
| break; |
| case glslang::EOpAtan: |
| libCall = spv::GLSLstd450Atan; |
| break; |
| |
| case glslang::EOpAcosh: |
| libCall = spv::GLSLstd450Acosh; |
| break; |
| case glslang::EOpAsinh: |
| libCall = spv::GLSLstd450Asinh; |
| break; |
| case glslang::EOpAtanh: |
| libCall = spv::GLSLstd450Atanh; |
| break; |
| case glslang::EOpTanh: |
| libCall = spv::GLSLstd450Tanh; |
| break; |
| case glslang::EOpCosh: |
| libCall = spv::GLSLstd450Cosh; |
| break; |
| case glslang::EOpSinh: |
| libCall = spv::GLSLstd450Sinh; |
| break; |
| |
| case glslang::EOpLength: |
| libCall = spv::GLSLstd450Length; |
| break; |
| case glslang::EOpNormalize: |
| libCall = spv::GLSLstd450Normalize; |
| break; |
| |
| case glslang::EOpExp: |
| libCall = spv::GLSLstd450Exp; |
| break; |
| case glslang::EOpLog: |
| libCall = spv::GLSLstd450Log; |
| break; |
| case glslang::EOpExp2: |
| libCall = spv::GLSLstd450Exp2; |
| break; |
| case glslang::EOpLog2: |
| libCall = spv::GLSLstd450Log2; |
| break; |
| case glslang::EOpSqrt: |
| libCall = spv::GLSLstd450Sqrt; |
| break; |
| case glslang::EOpInverseSqrt: |
| libCall = spv::GLSLstd450InverseSqrt; |
| break; |
| |
| case glslang::EOpFloor: |
| libCall = spv::GLSLstd450Floor; |
| break; |
| case glslang::EOpTrunc: |
| libCall = spv::GLSLstd450Trunc; |
| break; |
| case glslang::EOpRound: |
| libCall = spv::GLSLstd450Round; |
| break; |
| case glslang::EOpRoundEven: |
| libCall = spv::GLSLstd450RoundEven; |
| break; |
| case glslang::EOpCeil: |
| libCall = spv::GLSLstd450Ceil; |
| break; |
| case glslang::EOpFract: |
| libCall = spv::GLSLstd450Fract; |
| break; |
| |
| case glslang::EOpIsNan: |
| unaryOp = spv::OpIsNan; |
| break; |
| case glslang::EOpIsInf: |
| unaryOp = spv::OpIsInf; |
| break; |
| case glslang::EOpIsFinite: |
| unaryOp = spv::OpIsFinite; |
| break; |
| |
| case glslang::EOpFloatBitsToInt: |
| case glslang::EOpFloatBitsToUint: |
| case glslang::EOpIntBitsToFloat: |
| case glslang::EOpUintBitsToFloat: |
| case glslang::EOpDoubleBitsToInt64: |
| case glslang::EOpDoubleBitsToUint64: |
| case glslang::EOpInt64BitsToDouble: |
| case glslang::EOpUint64BitsToDouble: |
| case glslang::EOpFloat16BitsToInt16: |
| case glslang::EOpFloat16BitsToUint16: |
| case glslang::EOpInt16BitsToFloat16: |
| case glslang::EOpUint16BitsToFloat16: |
| unaryOp = spv::OpBitcast; |
| break; |
| |
| case glslang::EOpPackSnorm2x16: |
| libCall = spv::GLSLstd450PackSnorm2x16; |
| break; |
| case glslang::EOpUnpackSnorm2x16: |
| libCall = spv::GLSLstd450UnpackSnorm2x16; |
| break; |
| case glslang::EOpPackUnorm2x16: |
| libCall = spv::GLSLstd450PackUnorm2x16; |
| break; |
| case glslang::EOpUnpackUnorm2x16: |
| libCall = spv::GLSLstd450UnpackUnorm2x16; |
| break; |
| case glslang::EOpPackHalf2x16: |
| libCall = spv::GLSLstd450PackHalf2x16; |
| break; |
| case glslang::EOpUnpackHalf2x16: |
| libCall = spv::GLSLstd450UnpackHalf2x16; |
| break; |
| case glslang::EOpPackSnorm4x8: |
| libCall = spv::GLSLstd450PackSnorm4x8; |
| break; |
| case glslang::EOpUnpackSnorm4x8: |
| libCall = spv::GLSLstd450UnpackSnorm4x8; |
| break; |
| case glslang::EOpPackUnorm4x8: |
| libCall = spv::GLSLstd450PackUnorm4x8; |
| break; |
| case glslang::EOpUnpackUnorm4x8: |
| libCall = spv::GLSLstd450UnpackUnorm4x8; |
| break; |
| case glslang::EOpPackDouble2x32: |
| libCall = spv::GLSLstd450PackDouble2x32; |
| break; |
| case glslang::EOpUnpackDouble2x32: |
| libCall = spv::GLSLstd450UnpackDouble2x32; |
| break; |
| |
| case glslang::EOpPackInt2x32: |
| case glslang::EOpUnpackInt2x32: |
| case glslang::EOpPackUint2x32: |
| case glslang::EOpUnpackUint2x32: |
| case glslang::EOpPack16: |
| case glslang::EOpPack32: |
| case glslang::EOpPack64: |
| case glslang::EOpUnpack32: |
| case glslang::EOpUnpack16: |
| case glslang::EOpUnpack8: |
| case glslang::EOpPackInt2x16: |
| case glslang::EOpUnpackInt2x16: |
| case glslang::EOpPackUint2x16: |
| case glslang::EOpUnpackUint2x16: |
| case glslang::EOpPackInt4x16: |
| case glslang::EOpUnpackInt4x16: |
| case glslang::EOpPackUint4x16: |
| case glslang::EOpUnpackUint4x16: |
| case glslang::EOpPackFloat2x16: |
| case glslang::EOpUnpackFloat2x16: |
| unaryOp = spv::OpBitcast; |
| break; |
| |
| case glslang::EOpDPdx: |
| unaryOp = spv::OpDPdx; |
| break; |
| case glslang::EOpDPdy: |
| unaryOp = spv::OpDPdy; |
| break; |
| case glslang::EOpFwidth: |
| unaryOp = spv::OpFwidth; |
| break; |
| case glslang::EOpDPdxFine: |
| unaryOp = spv::OpDPdxFine; |
| break; |
| case glslang::EOpDPdyFine: |
| unaryOp = spv::OpDPdyFine; |
| break; |
| case glslang::EOpFwidthFine: |
| unaryOp = spv::OpFwidthFine; |
| break; |
| case glslang::EOpDPdxCoarse: |
| unaryOp = spv::OpDPdxCoarse; |
| break; |
| case glslang::EOpDPdyCoarse: |
| unaryOp = spv::OpDPdyCoarse; |
| break; |
| case glslang::EOpFwidthCoarse: |
| unaryOp = spv::OpFwidthCoarse; |
| break; |
| case glslang::EOpInterpolateAtCentroid: |
| #ifdef AMD_EXTENSIONS |
| if (typeProxy == glslang::EbtFloat16) |
| builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float); |
| #endif |
| libCall = spv::GLSLstd450InterpolateAtCentroid; |
| break; |
| case glslang::EOpAny: |
| unaryOp = spv::OpAny; |
| break; |
| case glslang::EOpAll: |
| unaryOp = spv::OpAll; |
| break; |
| |
| case glslang::EOpAbs: |
| if (isFloat) |
| libCall = spv::GLSLstd450FAbs; |
| else |
| libCall = spv::GLSLstd450SAbs; |
| break; |
| case glslang::EOpSign: |
| if (isFloat) |
| libCall = spv::GLSLstd450FSign; |
| else |
| libCall = spv::GLSLstd450SSign; |
| break; |
| |
| case glslang::EOpAtomicCounterIncrement: |
| case glslang::EOpAtomicCounterDecrement: |
| case glslang::EOpAtomicCounter: |
| { |
| // Handle all of the atomics in one place, in createAtomicOperation() |
| std::vector<spv::Id> operands; |
| operands.push_back(operand); |
| return createAtomicOperation(op, decorations.precision, typeId, operands, typeProxy); |
| } |
| |
| case glslang::EOpBitFieldReverse: |
| unaryOp = spv::OpBitReverse; |
| break; |
| case glslang::EOpBitCount: |
| unaryOp = spv::OpBitCount; |
| break; |
| case glslang::EOpFindLSB: |
| libCall = spv::GLSLstd450FindILsb; |
| break; |
| case glslang::EOpFindMSB: |
| if (isUnsigned) |
| libCall = spv::GLSLstd450FindUMsb; |
| else |
| libCall = spv::GLSLstd450FindSMsb; |
| break; |
| |
| case glslang::EOpBallot: |
| case glslang::EOpReadFirstInvocation: |
| case glslang::EOpAnyInvocation: |
| case glslang::EOpAllInvocations: |
| case glslang::EOpAllInvocationsEqual: |
| #ifdef AMD_EXTENSIONS |
| case glslang::EOpMinInvocations: |
| case glslang::EOpMaxInvocations: |
| case glslang::EOpAddInvocations: |
| case glslang::EOpMinInvocationsNonUniform: |
| case glslang::EOpMaxInvocationsNonUniform: |
| case glslang::EOpAddInvocationsNonUniform: |
| case glslang::EOpMinInvocationsInclusiveScan: |
| case glslang::EOpMaxInvocationsInclusiveScan: |
| case glslang::EOpAddInvocationsInclusiveScan: |
| case glslang::EOpMinInvocationsInclusiveScanNonUniform: |
| case glslang::EOpMaxInvocationsInclusiveScanNonUniform: |
| case glslang::EOpAddInvocationsInclusiveScanNonUniform: |
| case glslang::EOpMinInvocationsExclusiveScan: |
| case glslang::EOpMaxInvocationsExclusiveScan: |
| case glslang::EOpAddInvocationsExclusiveScan: |
| case glslang::EOpMinInvocationsExclusiveScanNonUniform: |
| case glslang::EOpMaxInvocationsExclusiveScanNonUniform: |
| case glslang::EOpAddInvocationsExclusiveScanNonUniform: |
| #endif |
| { |
| std::vector<spv::Id> operands; |
| operands.push_back(operand); |
| return createInvocationsOperation(op, typeId, operands, typeProxy); |
| } |
| case glslang::EOpSubgroupAll: |
| case glslang::EOpSubgroupAny: |
| case glslang::EOpSubgroupAllEqual: |
| case glslang::EOpSubgroupBroadcastFirst: |
| case glslang::EOpSubgroupBallot: |
| case glslang::EOpSubgroupInverseBallot: |
| case glslang::EOpSubgroupBallotBitCount: |
| case glslang::EOpSubgroupBallotInclusiveBitCount: |
| case glslang::EOpSubgroupBallotExclusiveBitCount: |
| case glslang::EOpSubgroupBallotFindLSB: |
| case glslang::EOpSubgroupBallotFindMSB: |
| case glslang::EOpSubgroupAdd: |
| case glslang::EOpSubgroupMul: |
| case glslang::EOpSubgroupMin: |
| case glslang::EOpSubgroupMax: |
| case glslang::EOpSubgroupAnd: |
| case glslang::EOpSubgroupOr: |
| case glslang::EOpSubgroupXor: |
| case glslang::EOpSubgroupInclusiveAdd: |
| case glslang::EOpSubgroupInclusiveMul: |
| case glslang::EOpSubgroupInclusiveMin: |
| case glslang::EOpSubgroupInclusiveMax: |
| case glslang::EOpSubgroupInclusiveAnd: |
| case glslang::EOpSubgroupInclusiveOr: |
| case glslang::EOpSubgroupInclusiveXor: |
| case glslang::EOpSubgroupExclusiveAdd: |
| case glslang::EOpSubgroupExclusiveMul: |
| case glslang::EOpSubgroupExclusiveMin: |
| case glslang::EOpSubgroupExclusiveMax: |
| case glslang::EOpSubgroupExclusiveAnd: |
| case glslang::EOpSubgroupExclusiveOr: |
| case glslang::EOpSubgroupExclusiveXor: |
| case glslang::EOpSubgroupQuadSwapHorizontal: |
| case glslang::EOpSubgroupQuadSwapVertical: |
| case glslang::EOpSubgroupQuadSwapDiagonal: { |
| std::vector<spv::Id> operands; |
| operands.push_back(operand); |
| return createSubgroupOperation(op, typeId, operands, typeProxy); |
| } |
| #ifdef AMD_EXTENSIONS |
| case glslang::EOpMbcnt: |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_shader_ballot); |
| libCall = spv::MbcntAMD; |
| break; |
| |
| case glslang::EOpCubeFaceIndex: |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_gcn_shader); |
| libCall = spv::CubeFaceIndexAMD; |
| break; |
| |
| case glslang::EOpCubeFaceCoord: |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_gcn_shader); |
| libCall = spv::CubeFaceCoordAMD; |
| break; |
| #endif |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartition: |
| unaryOp = spv::OpGroupNonUniformPartitionNV; |
| break; |
| #endif |
| default: |
| return 0; |
| } |
| |
| spv::Id id; |
| if (libCall >= 0) { |
| std::vector<spv::Id> args; |
| args.push_back(operand); |
| id = builder.createBuiltinCall(typeId, extBuiltins >= 0 ? extBuiltins : stdBuiltins, libCall, args); |
| } else { |
| id = builder.createUnaryOp(unaryOp, typeId, operand); |
| } |
| |
| builder.addDecoration(id, decorations.noContraction); |
| builder.addDecoration(id, decorations.nonUniform); |
| return builder.setPrecision(id, decorations.precision); |
| } |
| |
| // Create a unary operation on a matrix |
| spv::Id TGlslangToSpvTraverser::createUnaryMatrixOperation(spv::Op op, OpDecorations& decorations, spv::Id typeId, |
| spv::Id operand, glslang::TBasicType /* typeProxy */) |
| { |
| // Handle unary operations vector by vector. |
| // The result type is the same type as the original type. |
| // The algorithm is to: |
| // - break the matrix into vectors |
| // - apply the operation to each vector |
| // - make a matrix out the vector results |
| |
| // get the types sorted out |
| int numCols = builder.getNumColumns(operand); |
| int numRows = builder.getNumRows(operand); |
| spv::Id srcVecType = builder.makeVectorType(builder.getScalarTypeId(builder.getTypeId(operand)), numRows); |
| spv::Id destVecType = builder.makeVectorType(builder.getScalarTypeId(typeId), numRows); |
| std::vector<spv::Id> results; |
| |
| // do each vector op |
| for (int c = 0; c < numCols; ++c) { |
| std::vector<unsigned int> indexes; |
| indexes.push_back(c); |
| spv::Id srcVec = builder.createCompositeExtract(operand, srcVecType, indexes); |
| spv::Id destVec = builder.createUnaryOp(op, destVecType, srcVec); |
| builder.addDecoration(destVec, decorations.noContraction); |
| builder.addDecoration(destVec, decorations.nonUniform); |
| results.push_back(builder.setPrecision(destVec, decorations.precision)); |
| } |
| |
| // put the pieces together |
| spv::Id result = builder.setPrecision(builder.createCompositeConstruct(typeId, results), decorations.precision); |
| builder.addDecoration(result, decorations.nonUniform); |
| return result; |
| } |
| |
| // For converting integers where both the bitwidth and the signedness could |
| // change, but only do the width change here. The caller is still responsible |
| // for the signedness conversion. |
| spv::Id TGlslangToSpvTraverser::createIntWidthConversion(glslang::TOperator op, spv::Id operand, int vectorSize) |
| { |
| // Get the result type width, based on the type to convert to. |
| int width = 32; |
| switch(op) { |
| case glslang::EOpConvInt16ToUint8: |
| case glslang::EOpConvIntToUint8: |
| case glslang::EOpConvInt64ToUint8: |
| case glslang::EOpConvUint16ToInt8: |
| case glslang::EOpConvUintToInt8: |
| case glslang::EOpConvUint64ToInt8: |
| width = 8; |
| break; |
| case glslang::EOpConvInt8ToUint16: |
| case glslang::EOpConvIntToUint16: |
| case glslang::EOpConvInt64ToUint16: |
| case glslang::EOpConvUint8ToInt16: |
| case glslang::EOpConvUintToInt16: |
| case glslang::EOpConvUint64ToInt16: |
| width = 16; |
| break; |
| case glslang::EOpConvInt8ToUint: |
| case glslang::EOpConvInt16ToUint: |
| case glslang::EOpConvInt64ToUint: |
| case glslang::EOpConvUint8ToInt: |
| case glslang::EOpConvUint16ToInt: |
| case glslang::EOpConvUint64ToInt: |
| width = 32; |
| break; |
| case glslang::EOpConvInt8ToUint64: |
| case glslang::EOpConvInt16ToUint64: |
| case glslang::EOpConvIntToUint64: |
| case glslang::EOpConvUint8ToInt64: |
| case glslang::EOpConvUint16ToInt64: |
| case glslang::EOpConvUintToInt64: |
| width = 64; |
| break; |
| |
| default: |
| assert(false && "Default missing"); |
| break; |
| } |
| |
| // Get the conversion operation and result type, |
| // based on the target width, but the source type. |
| spv::Id type = spv::NoType; |
| spv::Op convOp = spv::OpNop; |
| switch(op) { |
| case glslang::EOpConvInt8ToUint16: |
| case glslang::EOpConvInt8ToUint: |
| case glslang::EOpConvInt8ToUint64: |
| case glslang::EOpConvInt16ToUint8: |
| case glslang::EOpConvInt16ToUint: |
| case glslang::EOpConvInt16ToUint64: |
| case glslang::EOpConvIntToUint8: |
| case glslang::EOpConvIntToUint16: |
| case glslang::EOpConvIntToUint64: |
| case glslang::EOpConvInt64ToUint8: |
| case glslang::EOpConvInt64ToUint16: |
| case glslang::EOpConvInt64ToUint: |
| convOp = spv::OpSConvert; |
| type = builder.makeIntType(width); |
| break; |
| default: |
| convOp = spv::OpUConvert; |
| type = builder.makeUintType(width); |
| break; |
| } |
| |
| if (vectorSize > 0) |
| type = builder.makeVectorType(type, vectorSize); |
| |
| return builder.createUnaryOp(convOp, type, operand); |
| } |
| |
| spv::Id TGlslangToSpvTraverser::createConversion(glslang::TOperator op, OpDecorations& decorations, spv::Id destType, |
| spv::Id operand, glslang::TBasicType typeProxy) |
| { |
| spv::Op convOp = spv::OpNop; |
| spv::Id zero = 0; |
| spv::Id one = 0; |
| |
| int vectorSize = builder.isVectorType(destType) ? builder.getNumTypeComponents(destType) : 0; |
| |
| switch (op) { |
| case glslang::EOpConvInt8ToBool: |
| case glslang::EOpConvUint8ToBool: |
| zero = builder.makeUint8Constant(0); |
| zero = makeSmearedConstant(zero, vectorSize); |
| return builder.createBinOp(spv::OpINotEqual, destType, operand, zero); |
| case glslang::EOpConvInt16ToBool: |
| case glslang::EOpConvUint16ToBool: |
| zero = builder.makeUint16Constant(0); |
| zero = makeSmearedConstant(zero, vectorSize); |
| return builder.createBinOp(spv::OpINotEqual, destType, operand, zero); |
| case glslang::EOpConvIntToBool: |
| case glslang::EOpConvUintToBool: |
| zero = builder.makeUintConstant(0); |
| zero = makeSmearedConstant(zero, vectorSize); |
| return builder.createBinOp(spv::OpINotEqual, destType, operand, zero); |
| case glslang::EOpConvInt64ToBool: |
| case glslang::EOpConvUint64ToBool: |
| zero = builder.makeUint64Constant(0); |
| zero = makeSmearedConstant(zero, vectorSize); |
| return builder.createBinOp(spv::OpINotEqual, destType, operand, zero); |
| |
| case glslang::EOpConvFloatToBool: |
| zero = builder.makeFloatConstant(0.0F); |
| zero = makeSmearedConstant(zero, vectorSize); |
| return builder.createBinOp(spv::OpFOrdNotEqual, destType, operand, zero); |
| |
| case glslang::EOpConvDoubleToBool: |
| zero = builder.makeDoubleConstant(0.0); |
| zero = makeSmearedConstant(zero, vectorSize); |
| return builder.createBinOp(spv::OpFOrdNotEqual, destType, operand, zero); |
| |
| case glslang::EOpConvFloat16ToBool: |
| zero = builder.makeFloat16Constant(0.0F); |
| zero = makeSmearedConstant(zero, vectorSize); |
| return builder.createBinOp(spv::OpFOrdNotEqual, destType, operand, zero); |
| |
| case glslang::EOpConvBoolToFloat: |
| convOp = spv::OpSelect; |
| zero = builder.makeFloatConstant(0.0F); |
| one = builder.makeFloatConstant(1.0F); |
| break; |
| |
| case glslang::EOpConvBoolToDouble: |
| convOp = spv::OpSelect; |
| zero = builder.makeDoubleConstant(0.0); |
| one = builder.makeDoubleConstant(1.0); |
| break; |
| |
| case glslang::EOpConvBoolToFloat16: |
| convOp = spv::OpSelect; |
| zero = builder.makeFloat16Constant(0.0F); |
| one = builder.makeFloat16Constant(1.0F); |
| break; |
| |
| case glslang::EOpConvBoolToInt8: |
| zero = builder.makeInt8Constant(0); |
| one = builder.makeInt8Constant(1); |
| convOp = spv::OpSelect; |
| break; |
| |
| case glslang::EOpConvBoolToUint8: |
| zero = builder.makeUint8Constant(0); |
| one = builder.makeUint8Constant(1); |
| convOp = spv::OpSelect; |
| break; |
| |
| case glslang::EOpConvBoolToInt16: |
| zero = builder.makeInt16Constant(0); |
| one = builder.makeInt16Constant(1); |
| convOp = spv::OpSelect; |
| break; |
| |
| case glslang::EOpConvBoolToUint16: |
| zero = builder.makeUint16Constant(0); |
| one = builder.makeUint16Constant(1); |
| convOp = spv::OpSelect; |
| break; |
| |
| case glslang::EOpConvBoolToInt: |
| case glslang::EOpConvBoolToInt64: |
| if (op == glslang::EOpConvBoolToInt64) |
| zero = builder.makeInt64Constant(0); |
| else |
| zero = builder.makeIntConstant(0); |
| |
| if (op == glslang::EOpConvBoolToInt64) |
| one = builder.makeInt64Constant(1); |
| else |
| one = builder.makeIntConstant(1); |
| |
| convOp = spv::OpSelect; |
| break; |
| |
| case glslang::EOpConvBoolToUint: |
| case glslang::EOpConvBoolToUint64: |
| if (op == glslang::EOpConvBoolToUint64) |
| zero = builder.makeUint64Constant(0); |
| else |
| zero = builder.makeUintConstant(0); |
| |
| if (op == glslang::EOpConvBoolToUint64) |
| one = builder.makeUint64Constant(1); |
| else |
| one = builder.makeUintConstant(1); |
| |
| convOp = spv::OpSelect; |
| break; |
| |
| case glslang::EOpConvInt8ToFloat16: |
| case glslang::EOpConvInt8ToFloat: |
| case glslang::EOpConvInt8ToDouble: |
| case glslang::EOpConvInt16ToFloat16: |
| case glslang::EOpConvInt16ToFloat: |
| case glslang::EOpConvInt16ToDouble: |
| case glslang::EOpConvIntToFloat16: |
| case glslang::EOpConvIntToFloat: |
| case glslang::EOpConvIntToDouble: |
| case glslang::EOpConvInt64ToFloat: |
| case glslang::EOpConvInt64ToDouble: |
| case glslang::EOpConvInt64ToFloat16: |
| convOp = spv::OpConvertSToF; |
| break; |
| |
| case glslang::EOpConvUint8ToFloat16: |
| case glslang::EOpConvUint8ToFloat: |
| case glslang::EOpConvUint8ToDouble: |
| case glslang::EOpConvUint16ToFloat16: |
| case glslang::EOpConvUint16ToFloat: |
| case glslang::EOpConvUint16ToDouble: |
| case glslang::EOpConvUintToFloat16: |
| case glslang::EOpConvUintToFloat: |
| case glslang::EOpConvUintToDouble: |
| case glslang::EOpConvUint64ToFloat: |
| case glslang::EOpConvUint64ToDouble: |
| case glslang::EOpConvUint64ToFloat16: |
| convOp = spv::OpConvertUToF; |
| break; |
| |
| case glslang::EOpConvDoubleToFloat: |
| case glslang::EOpConvFloatToDouble: |
| case glslang::EOpConvDoubleToFloat16: |
| case glslang::EOpConvFloat16ToDouble: |
| case glslang::EOpConvFloatToFloat16: |
| case glslang::EOpConvFloat16ToFloat: |
| convOp = spv::OpFConvert; |
| if (builder.isMatrixType(destType)) |
| return createUnaryMatrixOperation(convOp, decorations, destType, operand, typeProxy); |
| break; |
| |
| case glslang::EOpConvFloat16ToInt8: |
| case glslang::EOpConvFloatToInt8: |
| case glslang::EOpConvDoubleToInt8: |
| case glslang::EOpConvFloat16ToInt16: |
| case glslang::EOpConvFloatToInt16: |
| case glslang::EOpConvDoubleToInt16: |
| case glslang::EOpConvFloat16ToInt: |
| case glslang::EOpConvFloatToInt: |
| case glslang::EOpConvDoubleToInt: |
| case glslang::EOpConvFloat16ToInt64: |
| case glslang::EOpConvFloatToInt64: |
| case glslang::EOpConvDoubleToInt64: |
| convOp = spv::OpConvertFToS; |
| break; |
| |
| case glslang::EOpConvUint8ToInt8: |
| case glslang::EOpConvInt8ToUint8: |
| case glslang::EOpConvUint16ToInt16: |
| case glslang::EOpConvInt16ToUint16: |
| case glslang::EOpConvUintToInt: |
| case glslang::EOpConvIntToUint: |
| case glslang::EOpConvUint64ToInt64: |
| case glslang::EOpConvInt64ToUint64: |
| if (builder.isInSpecConstCodeGenMode()) { |
| // Build zero scalar or vector for OpIAdd. |
| if(op == glslang::EOpConvUint8ToInt8 || op == glslang::EOpConvInt8ToUint8) { |
| zero = builder.makeUint8Constant(0); |
| } else if (op == glslang::EOpConvUint16ToInt16 || op == glslang::EOpConvInt16ToUint16) { |
| zero = builder.makeUint16Constant(0); |
| } else if (op == glslang::EOpConvUint64ToInt64 || op == glslang::EOpConvInt64ToUint64) { |
| zero = builder.makeUint64Constant(0); |
| } else { |
| zero = builder.makeUintConstant(0); |
| } |
| zero = makeSmearedConstant(zero, vectorSize); |
| // Use OpIAdd, instead of OpBitcast to do the conversion when |
| // generating for OpSpecConstantOp instruction. |
| return builder.createBinOp(spv::OpIAdd, destType, operand, zero); |
| } |
| // For normal run-time conversion instruction, use OpBitcast. |
| convOp = spv::OpBitcast; |
| break; |
| |
| case glslang::EOpConvFloat16ToUint8: |
| case glslang::EOpConvFloatToUint8: |
| case glslang::EOpConvDoubleToUint8: |
| case glslang::EOpConvFloat16ToUint16: |
| case glslang::EOpConvFloatToUint16: |
| case glslang::EOpConvDoubleToUint16: |
| case glslang::EOpConvFloat16ToUint: |
| case glslang::EOpConvFloatToUint: |
| case glslang::EOpConvDoubleToUint: |
| case glslang::EOpConvFloatToUint64: |
| case glslang::EOpConvDoubleToUint64: |
| case glslang::EOpConvFloat16ToUint64: |
| convOp = spv::OpConvertFToU; |
| break; |
| |
| case glslang::EOpConvInt8ToInt16: |
| case glslang::EOpConvInt8ToInt: |
| case glslang::EOpConvInt8ToInt64: |
| case glslang::EOpConvInt16ToInt8: |
| case glslang::EOpConvInt16ToInt: |
| case glslang::EOpConvInt16ToInt64: |
| case glslang::EOpConvIntToInt8: |
| case glslang::EOpConvIntToInt16: |
| case glslang::EOpConvIntToInt64: |
| case glslang::EOpConvInt64ToInt8: |
| case glslang::EOpConvInt64ToInt16: |
| case glslang::EOpConvInt64ToInt: |
| convOp = spv::OpSConvert; |
| break; |
| |
| case glslang::EOpConvUint8ToUint16: |
| case glslang::EOpConvUint8ToUint: |
| case glslang::EOpConvUint8ToUint64: |
| case glslang::EOpConvUint16ToUint8: |
| case glslang::EOpConvUint16ToUint: |
| case glslang::EOpConvUint16ToUint64: |
| case glslang::EOpConvUintToUint8: |
| case glslang::EOpConvUintToUint16: |
| case glslang::EOpConvUintToUint64: |
| case glslang::EOpConvUint64ToUint8: |
| case glslang::EOpConvUint64ToUint16: |
| case glslang::EOpConvUint64ToUint: |
| convOp = spv::OpUConvert; |
| break; |
| |
| case glslang::EOpConvInt8ToUint16: |
| case glslang::EOpConvInt8ToUint: |
| case glslang::EOpConvInt8ToUint64: |
| case glslang::EOpConvInt16ToUint8: |
| case glslang::EOpConvInt16ToUint: |
| case glslang::EOpConvInt16ToUint64: |
| case glslang::EOpConvIntToUint8: |
| case glslang::EOpConvIntToUint16: |
| case glslang::EOpConvIntToUint64: |
| case glslang::EOpConvInt64ToUint8: |
| case glslang::EOpConvInt64ToUint16: |
| case glslang::EOpConvInt64ToUint: |
| case glslang::EOpConvUint8ToInt16: |
| case glslang::EOpConvUint8ToInt: |
| case glslang::EOpConvUint8ToInt64: |
| case glslang::EOpConvUint16ToInt8: |
| case glslang::EOpConvUint16ToInt: |
| case glslang::EOpConvUint16ToInt64: |
| case glslang::EOpConvUintToInt8: |
| case glslang::EOpConvUintToInt16: |
| case glslang::EOpConvUintToInt64: |
| case glslang::EOpConvUint64ToInt8: |
| case glslang::EOpConvUint64ToInt16: |
| case glslang::EOpConvUint64ToInt: |
| // OpSConvert/OpUConvert + OpBitCast |
| operand = createIntWidthConversion(op, operand, vectorSize); |
| |
| if (builder.isInSpecConstCodeGenMode()) { |
| // Build zero scalar or vector for OpIAdd. |
| switch(op) { |
| case glslang::EOpConvInt16ToUint8: |
| case glslang::EOpConvIntToUint8: |
| case glslang::EOpConvInt64ToUint8: |
| case glslang::EOpConvUint16ToInt8: |
| case glslang::EOpConvUintToInt8: |
| case glslang::EOpConvUint64ToInt8: |
| zero = builder.makeUint8Constant(0); |
| break; |
| case glslang::EOpConvInt8ToUint16: |
| case glslang::EOpConvIntToUint16: |
| case glslang::EOpConvInt64ToUint16: |
| case glslang::EOpConvUint8ToInt16: |
| case glslang::EOpConvUintToInt16: |
| case glslang::EOpConvUint64ToInt16: |
| zero = builder.makeUint16Constant(0); |
| break; |
| case glslang::EOpConvInt8ToUint: |
| case glslang::EOpConvInt16ToUint: |
| case glslang::EOpConvInt64ToUint: |
| case glslang::EOpConvUint8ToInt: |
| case glslang::EOpConvUint16ToInt: |
| case glslang::EOpConvUint64ToInt: |
| zero = builder.makeUintConstant(0); |
| break; |
| case glslang::EOpConvInt8ToUint64: |
| case glslang::EOpConvInt16ToUint64: |
| case glslang::EOpConvIntToUint64: |
| case glslang::EOpConvUint8ToInt64: |
| case glslang::EOpConvUint16ToInt64: |
| case glslang::EOpConvUintToInt64: |
| zero = builder.makeUint64Constant(0); |
| break; |
| default: |
| assert(false && "Default missing"); |
| break; |
| } |
| zero = makeSmearedConstant(zero, vectorSize); |
| // Use OpIAdd, instead of OpBitcast to do the conversion when |
| // generating for OpSpecConstantOp instruction. |
| return builder.createBinOp(spv::OpIAdd, destType, operand, zero); |
| } |
| // For normal run-time conversion instruction, use OpBitcast. |
| convOp = spv::OpBitcast; |
| break; |
| default: |
| break; |
| } |
| |
| spv::Id result = 0; |
| if (convOp == spv::OpNop) |
| return result; |
| |
| if (convOp == spv::OpSelect) { |
| zero = makeSmearedConstant(zero, vectorSize); |
| one = makeSmearedConstant(one, vectorSize); |
| result = builder.createTriOp(convOp, destType, operand, one, zero); |
| } else |
| result = builder.createUnaryOp(convOp, destType, operand); |
| |
| result = builder.setPrecision(result, decorations.precision); |
| builder.addDecoration(result, decorations.nonUniform); |
| return result; |
| } |
| |
| spv::Id TGlslangToSpvTraverser::makeSmearedConstant(spv::Id constant, int vectorSize) |
| { |
| if (vectorSize == 0) |
| return constant; |
| |
| spv::Id vectorTypeId = builder.makeVectorType(builder.getTypeId(constant), vectorSize); |
| std::vector<spv::Id> components; |
| for (int c = 0; c < vectorSize; ++c) |
| components.push_back(constant); |
| return builder.makeCompositeConstant(vectorTypeId, components); |
| } |
| |
| // For glslang ops that map to SPV atomic opCodes |
| spv::Id TGlslangToSpvTraverser::createAtomicOperation(glslang::TOperator op, spv::Decoration /*precision*/, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy) |
| { |
| spv::Op opCode = spv::OpNop; |
| |
| switch (op) { |
| case glslang::EOpAtomicAdd: |
| case glslang::EOpImageAtomicAdd: |
| case glslang::EOpAtomicCounterAdd: |
| opCode = spv::OpAtomicIAdd; |
| break; |
| case glslang::EOpAtomicCounterSubtract: |
| opCode = spv::OpAtomicISub; |
| break; |
| case glslang::EOpAtomicMin: |
| case glslang::EOpImageAtomicMin: |
| case glslang::EOpAtomicCounterMin: |
| opCode = (typeProxy == glslang::EbtUint || typeProxy == glslang::EbtUint64) ? spv::OpAtomicUMin : spv::OpAtomicSMin; |
| break; |
| case glslang::EOpAtomicMax: |
| case glslang::EOpImageAtomicMax: |
| case glslang::EOpAtomicCounterMax: |
| opCode = (typeProxy == glslang::EbtUint || typeProxy == glslang::EbtUint64) ? spv::OpAtomicUMax : spv::OpAtomicSMax; |
| break; |
| case glslang::EOpAtomicAnd: |
| case glslang::EOpImageAtomicAnd: |
| case glslang::EOpAtomicCounterAnd: |
| opCode = spv::OpAtomicAnd; |
| break; |
| case glslang::EOpAtomicOr: |
| case glslang::EOpImageAtomicOr: |
| case glslang::EOpAtomicCounterOr: |
| opCode = spv::OpAtomicOr; |
| break; |
| case glslang::EOpAtomicXor: |
| case glslang::EOpImageAtomicXor: |
| case glslang::EOpAtomicCounterXor: |
| opCode = spv::OpAtomicXor; |
| break; |
| case glslang::EOpAtomicExchange: |
| case glslang::EOpImageAtomicExchange: |
| case glslang::EOpAtomicCounterExchange: |
| opCode = spv::OpAtomicExchange; |
| break; |
| case glslang::EOpAtomicCompSwap: |
| case glslang::EOpImageAtomicCompSwap: |
| case glslang::EOpAtomicCounterCompSwap: |
| opCode = spv::OpAtomicCompareExchange; |
| break; |
| case glslang::EOpAtomicCounterIncrement: |
| opCode = spv::OpAtomicIIncrement; |
| break; |
| case glslang::EOpAtomicCounterDecrement: |
| opCode = spv::OpAtomicIDecrement; |
| break; |
| case glslang::EOpAtomicCounter: |
| case glslang::EOpImageAtomicLoad: |
| case glslang::EOpAtomicLoad: |
| opCode = spv::OpAtomicLoad; |
| break; |
| case glslang::EOpAtomicStore: |
| case glslang::EOpImageAtomicStore: |
| opCode = spv::OpAtomicStore; |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| |
| if (typeProxy == glslang::EbtInt64 || typeProxy == glslang::EbtUint64) |
| builder.addCapability(spv::CapabilityInt64Atomics); |
| |
| // Sort out the operands |
| // - mapping from glslang -> SPV |
| // - there are extra SPV operands that are optional in glslang |
| // - compare-exchange swaps the value and comparator |
| // - compare-exchange has an extra memory semantics |
| // - EOpAtomicCounterDecrement needs a post decrement |
| spv::Id pointerId = 0, compareId = 0, valueId = 0; |
| // scope defaults to Device in the old model, QueueFamilyKHR in the new model |
| spv::Id scopeId; |
| if (glslangIntermediate->usingVulkanMemoryModel()) { |
| scopeId = builder.makeUintConstant(spv::ScopeQueueFamilyKHR); |
| } else { |
| scopeId = builder.makeUintConstant(spv::ScopeDevice); |
| } |
| // semantics default to relaxed |
| spv::Id semanticsId = builder.makeUintConstant(spv::MemorySemanticsMaskNone); |
| spv::Id semanticsId2 = semanticsId; |
| |
| pointerId = operands[0]; |
| if (opCode == spv::OpAtomicIIncrement || opCode == spv::OpAtomicIDecrement) { |
| // no additional operands |
| } else if (opCode == spv::OpAtomicCompareExchange) { |
| compareId = operands[1]; |
| valueId = operands[2]; |
| if (operands.size() > 3) { |
| scopeId = operands[3]; |
| semanticsId = builder.makeUintConstant(builder.getConstantScalar(operands[4]) | builder.getConstantScalar(operands[5])); |
| semanticsId2 = builder.makeUintConstant(builder.getConstantScalar(operands[6]) | builder.getConstantScalar(operands[7])); |
| } |
| } else if (opCode == spv::OpAtomicLoad) { |
| if (operands.size() > 1) { |
| scopeId = operands[1]; |
| semanticsId = builder.makeUintConstant(builder.getConstantScalar(operands[2]) | builder.getConstantScalar(operands[3])); |
| } |
| } else { |
| // atomic store or RMW |
| valueId = operands[1]; |
| if (operands.size() > 2) { |
| scopeId = operands[2]; |
| semanticsId = builder.makeUintConstant(builder.getConstantScalar(operands[3]) | builder.getConstantScalar(operands[4])); |
| } |
| } |
| |
| // Check for capabilities |
| unsigned semanticsImmediate = builder.getConstantScalar(semanticsId) | builder.getConstantScalar(semanticsId2); |
| if (semanticsImmediate & (spv::MemorySemanticsMakeAvailableKHRMask | spv::MemorySemanticsMakeVisibleKHRMask | spv::MemorySemanticsOutputMemoryKHRMask)) { |
| builder.addCapability(spv::CapabilityVulkanMemoryModelKHR); |
| } |
| |
| if (glslangIntermediate->usingVulkanMemoryModel() && builder.getConstantScalar(scopeId) == spv::ScopeDevice) { |
| builder.addCapability(spv::CapabilityVulkanMemoryModelDeviceScopeKHR); |
| } |
| |
| std::vector<spv::Id> spvAtomicOperands; // hold the spv operands |
| spvAtomicOperands.push_back(pointerId); |
| spvAtomicOperands.push_back(scopeId); |
| spvAtomicOperands.push_back(semanticsId); |
| if (opCode == spv::OpAtomicCompareExchange) { |
| spvAtomicOperands.push_back(semanticsId2); |
| spvAtomicOperands.push_back(valueId); |
| spvAtomicOperands.push_back(compareId); |
| } else if (opCode != spv::OpAtomicLoad && opCode != spv::OpAtomicIIncrement && opCode != spv::OpAtomicIDecrement) { |
| spvAtomicOperands.push_back(valueId); |
| } |
| |
| if (opCode == spv::OpAtomicStore) { |
| builder.createNoResultOp(opCode, spvAtomicOperands); |
| return 0; |
| } else { |
| spv::Id resultId = builder.createOp(opCode, typeId, spvAtomicOperands); |
| |
| // GLSL and HLSL atomic-counter decrement return post-decrement value, |
| // while SPIR-V returns pre-decrement value. Translate between these semantics. |
| if (op == glslang::EOpAtomicCounterDecrement) |
| resultId = builder.createBinOp(spv::OpISub, typeId, resultId, builder.makeIntConstant(1)); |
| |
| return resultId; |
| } |
| } |
| |
| // Create group invocation operations. |
| spv::Id TGlslangToSpvTraverser::createInvocationsOperation(glslang::TOperator op, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy) |
| { |
| #ifdef AMD_EXTENSIONS |
| bool isUnsigned = isTypeUnsignedInt(typeProxy); |
| bool isFloat = isTypeFloat(typeProxy); |
| #endif |
| |
| spv::Op opCode = spv::OpNop; |
| std::vector<spv::IdImmediate> spvGroupOperands; |
| spv::GroupOperation groupOperation = spv::GroupOperationMax; |
| |
| if (op == glslang::EOpBallot || op == glslang::EOpReadFirstInvocation || |
| op == glslang::EOpReadInvocation) { |
| builder.addExtension(spv::E_SPV_KHR_shader_ballot); |
| builder.addCapability(spv::CapabilitySubgroupBallotKHR); |
| } else if (op == glslang::EOpAnyInvocation || |
| op == glslang::EOpAllInvocations || |
| op == glslang::EOpAllInvocationsEqual) { |
| builder.addExtension(spv::E_SPV_KHR_subgroup_vote); |
| builder.addCapability(spv::CapabilitySubgroupVoteKHR); |
| } else { |
| builder.addCapability(spv::CapabilityGroups); |
| #ifdef AMD_EXTENSIONS |
| if (op == glslang::EOpMinInvocationsNonUniform || |
| op == glslang::EOpMaxInvocationsNonUniform || |
| op == glslang::EOpAddInvocationsNonUniform || |
| op == glslang::EOpMinInvocationsInclusiveScanNonUniform || |
| op == glslang::EOpMaxInvocationsInclusiveScanNonUniform || |
| op == glslang::EOpAddInvocationsInclusiveScanNonUniform || |
| op == glslang::EOpMinInvocationsExclusiveScanNonUniform || |
| op == glslang::EOpMaxInvocationsExclusiveScanNonUniform || |
| op == glslang::EOpAddInvocationsExclusiveScanNonUniform) |
| builder.addExtension(spv::E_SPV_AMD_shader_ballot); |
| #endif |
| |
| #ifdef AMD_EXTENSIONS |
| switch (op) { |
| case glslang::EOpMinInvocations: |
| case glslang::EOpMaxInvocations: |
| case glslang::EOpAddInvocations: |
| case glslang::EOpMinInvocationsNonUniform: |
| case glslang::EOpMaxInvocationsNonUniform: |
| case glslang::EOpAddInvocationsNonUniform: |
| groupOperation = spv::GroupOperationReduce; |
| break; |
| case glslang::EOpMinInvocationsInclusiveScan: |
| case glslang::EOpMaxInvocationsInclusiveScan: |
| case glslang::EOpAddInvocationsInclusiveScan: |
| case glslang::EOpMinInvocationsInclusiveScanNonUniform: |
| case glslang::EOpMaxInvocationsInclusiveScanNonUniform: |
| case glslang::EOpAddInvocationsInclusiveScanNonUniform: |
| groupOperation = spv::GroupOperationInclusiveScan; |
| break; |
| case glslang::EOpMinInvocationsExclusiveScan: |
| case glslang::EOpMaxInvocationsExclusiveScan: |
| case glslang::EOpAddInvocationsExclusiveScan: |
| case glslang::EOpMinInvocationsExclusiveScanNonUniform: |
| case glslang::EOpMaxInvocationsExclusiveScanNonUniform: |
| case glslang::EOpAddInvocationsExclusiveScanNonUniform: |
| groupOperation = spv::GroupOperationExclusiveScan; |
| break; |
| default: |
| break; |
| } |
| spv::IdImmediate scope = { true, builder.makeUintConstant(spv::ScopeSubgroup) }; |
| spvGroupOperands.push_back(scope); |
| if (groupOperation != spv::GroupOperationMax) { |
| spv::IdImmediate groupOp = { false, (unsigned)groupOperation }; |
| spvGroupOperands.push_back(groupOp); |
| } |
| #endif |
| } |
| |
| for (auto opIt = operands.begin(); opIt != operands.end(); ++opIt) { |
| spv::IdImmediate op = { true, *opIt }; |
| spvGroupOperands.push_back(op); |
| } |
| |
| switch (op) { |
| case glslang::EOpAnyInvocation: |
| opCode = spv::OpSubgroupAnyKHR; |
| break; |
| case glslang::EOpAllInvocations: |
| opCode = spv::OpSubgroupAllKHR; |
| break; |
| case glslang::EOpAllInvocationsEqual: |
| opCode = spv::OpSubgroupAllEqualKHR; |
| break; |
| case glslang::EOpReadInvocation: |
| opCode = spv::OpSubgroupReadInvocationKHR; |
| if (builder.isVectorType(typeId)) |
| return CreateInvocationsVectorOperation(opCode, groupOperation, typeId, operands); |
| break; |
| case glslang::EOpReadFirstInvocation: |
| opCode = spv::OpSubgroupFirstInvocationKHR; |
| break; |
| case glslang::EOpBallot: |
| { |
| // NOTE: According to the spec, the result type of "OpSubgroupBallotKHR" must be a 4 component vector of 32 |
| // bit integer types. The GLSL built-in function "ballotARB()" assumes the maximum number of invocations in |
| // a subgroup is 64. Thus, we have to convert uvec4.xy to uint64_t as follow: |
| // |
| // result = Bitcast(SubgroupBallotKHR(Predicate).xy) |
| // |
| spv::Id uintType = builder.makeUintType(32); |
| spv::Id uvec4Type = builder.makeVectorType(uintType, 4); |
| spv::Id result = builder.createOp(spv::OpSubgroupBallotKHR, uvec4Type, spvGroupOperands); |
| |
| std::vector<spv::Id> components; |
| components.push_back(builder.createCompositeExtract(result, uintType, 0)); |
| components.push_back(builder.createCompositeExtract(result, uintType, 1)); |
| |
| spv::Id uvec2Type = builder.makeVectorType(uintType, 2); |
| return builder.createUnaryOp(spv::OpBitcast, typeId, |
| builder.createCompositeConstruct(uvec2Type, components)); |
| } |
| |
| #ifdef AMD_EXTENSIONS |
| case glslang::EOpMinInvocations: |
| case glslang::EOpMaxInvocations: |
| case glslang::EOpAddInvocations: |
| case glslang::EOpMinInvocationsInclusiveScan: |
| case glslang::EOpMaxInvocationsInclusiveScan: |
| case glslang::EOpAddInvocationsInclusiveScan: |
| case glslang::EOpMinInvocationsExclusiveScan: |
| case glslang::EOpMaxInvocationsExclusiveScan: |
| case glslang::EOpAddInvocationsExclusiveScan: |
| if (op == glslang::EOpMinInvocations || |
| op == glslang::EOpMinInvocationsInclusiveScan || |
| op == glslang::EOpMinInvocationsExclusiveScan) { |
| if (isFloat) |
| opCode = spv::OpGroupFMin; |
| else { |
| if (isUnsigned) |
| opCode = spv::OpGroupUMin; |
| else |
| opCode = spv::OpGroupSMin; |
| } |
| } else if (op == glslang::EOpMaxInvocations || |
| op == glslang::EOpMaxInvocationsInclusiveScan || |
| op == glslang::EOpMaxInvocationsExclusiveScan) { |
| if (isFloat) |
| opCode = spv::OpGroupFMax; |
| else { |
| if (isUnsigned) |
| opCode = spv::OpGroupUMax; |
| else |
| opCode = spv::OpGroupSMax; |
| } |
| } else { |
| if (isFloat) |
| opCode = spv::OpGroupFAdd; |
| else |
| opCode = spv::OpGroupIAdd; |
| } |
| |
| if (builder.isVectorType(typeId)) |
| return CreateInvocationsVectorOperation(opCode, groupOperation, typeId, operands); |
| |
| break; |
| case glslang::EOpMinInvocationsNonUniform: |
| case glslang::EOpMaxInvocationsNonUniform: |
| case glslang::EOpAddInvocationsNonUniform: |
| case glslang::EOpMinInvocationsInclusiveScanNonUniform: |
| case glslang::EOpMaxInvocationsInclusiveScanNonUniform: |
| case glslang::EOpAddInvocationsInclusiveScanNonUniform: |
| case glslang::EOpMinInvocationsExclusiveScanNonUniform: |
| case glslang::EOpMaxInvocationsExclusiveScanNonUniform: |
| case glslang::EOpAddInvocationsExclusiveScanNonUniform: |
| if (op == glslang::EOpMinInvocationsNonUniform || |
| op == glslang::EOpMinInvocationsInclusiveScanNonUniform || |
| op == glslang::EOpMinInvocationsExclusiveScanNonUniform) { |
| if (isFloat) |
| opCode = spv::OpGroupFMinNonUniformAMD; |
| else { |
| if (isUnsigned) |
| opCode = spv::OpGroupUMinNonUniformAMD; |
| else |
| opCode = spv::OpGroupSMinNonUniformAMD; |
| } |
| } |
| else if (op == glslang::EOpMaxInvocationsNonUniform || |
| op == glslang::EOpMaxInvocationsInclusiveScanNonUniform || |
| op == glslang::EOpMaxInvocationsExclusiveScanNonUniform) { |
| if (isFloat) |
| opCode = spv::OpGroupFMaxNonUniformAMD; |
| else { |
| if (isUnsigned) |
| opCode = spv::OpGroupUMaxNonUniformAMD; |
| else |
| opCode = spv::OpGroupSMaxNonUniformAMD; |
| } |
| } |
| else { |
| if (isFloat) |
| opCode = spv::OpGroupFAddNonUniformAMD; |
| else |
| opCode = spv::OpGroupIAddNonUniformAMD; |
| } |
| |
| if (builder.isVectorType(typeId)) |
| return CreateInvocationsVectorOperation(opCode, groupOperation, typeId, operands); |
| |
| break; |
| #endif |
| default: |
| logger->missingFunctionality("invocation operation"); |
| return spv::NoResult; |
| } |
| |
| assert(opCode != spv::OpNop); |
| return builder.createOp(opCode, typeId, spvGroupOperands); |
| } |
| |
| // Create group invocation operations on a vector |
| spv::Id TGlslangToSpvTraverser::CreateInvocationsVectorOperation(spv::Op op, spv::GroupOperation groupOperation, |
| spv::Id typeId, std::vector<spv::Id>& operands) |
| { |
| #ifdef AMD_EXTENSIONS |
| assert(op == spv::OpGroupFMin || op == spv::OpGroupUMin || op == spv::OpGroupSMin || |
| op == spv::OpGroupFMax || op == spv::OpGroupUMax || op == spv::OpGroupSMax || |
| op == spv::OpGroupFAdd || op == spv::OpGroupIAdd || op == spv::OpGroupBroadcast || |
| op == spv::OpSubgroupReadInvocationKHR || |
| op == spv::OpGroupFMinNonUniformAMD || op == spv::OpGroupUMinNonUniformAMD || op == spv::OpGroupSMinNonUniformAMD || |
| op == spv::OpGroupFMaxNonUniformAMD || op == spv::OpGroupUMaxNonUniformAMD || op == spv::OpGroupSMaxNonUniformAMD || |
| op == spv::OpGroupFAddNonUniformAMD || op == spv::OpGroupIAddNonUniformAMD); |
| #else |
| assert(op == spv::OpGroupFMin || op == spv::OpGroupUMin || op == spv::OpGroupSMin || |
| op == spv::OpGroupFMax || op == spv::OpGroupUMax || op == spv::OpGroupSMax || |
| op == spv::OpGroupFAdd || op == spv::OpGroupIAdd || op == spv::OpGroupBroadcast || |
| op == spv::OpSubgroupReadInvocationKHR); |
| #endif |
| |
| // Handle group invocation operations scalar by scalar. |
| // The result type is the same type as the original type. |
| // The algorithm is to: |
| // - break the vector into scalars |
| // - apply the operation to each scalar |
| // - make a vector out the scalar results |
| |
| // get the types sorted out |
| int numComponents = builder.getNumComponents(operands[0]); |
| spv::Id scalarType = builder.getScalarTypeId(builder.getTypeId(operands[0])); |
| std::vector<spv::Id> results; |
| |
| // do each scalar op |
| for (int comp = 0; comp < numComponents; ++comp) { |
| std::vector<unsigned int> indexes; |
| indexes.push_back(comp); |
| spv::IdImmediate scalar = { true, builder.createCompositeExtract(operands[0], scalarType, indexes) }; |
| std::vector<spv::IdImmediate> spvGroupOperands; |
| if (op == spv::OpSubgroupReadInvocationKHR) { |
| spvGroupOperands.push_back(scalar); |
| spv::IdImmediate operand = { true, operands[1] }; |
| spvGroupOperands.push_back(operand); |
| } else if (op == spv::OpGroupBroadcast) { |
| spv::IdImmediate scope = { true, builder.makeUintConstant(spv::ScopeSubgroup) }; |
| spvGroupOperands.push_back(scope); |
| spvGroupOperands.push_back(scalar); |
| spv::IdImmediate operand = { true, operands[1] }; |
| spvGroupOperands.push_back(operand); |
| } else { |
| spv::IdImmediate scope = { true, builder.makeUintConstant(spv::ScopeSubgroup) }; |
| spvGroupOperands.push_back(scope); |
| spv::IdImmediate groupOp = { false, (unsigned)groupOperation }; |
| spvGroupOperands.push_back(groupOp); |
| spvGroupOperands.push_back(scalar); |
| } |
| |
| results.push_back(builder.createOp(op, scalarType, spvGroupOperands)); |
| } |
| |
| // put the pieces together |
| return builder.createCompositeConstruct(typeId, results); |
| } |
| |
| // Create subgroup invocation operations. |
| spv::Id TGlslangToSpvTraverser::createSubgroupOperation(glslang::TOperator op, spv::Id typeId, |
| std::vector<spv::Id>& operands, glslang::TBasicType typeProxy) |
| { |
| // Add the required capabilities. |
| switch (op) { |
| case glslang::EOpSubgroupElect: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| break; |
| case glslang::EOpSubgroupAll: |
| case glslang::EOpSubgroupAny: |
| case glslang::EOpSubgroupAllEqual: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformVote); |
| break; |
| case glslang::EOpSubgroupBroadcast: |
| case glslang::EOpSubgroupBroadcastFirst: |
| case glslang::EOpSubgroupBallot: |
| case glslang::EOpSubgroupInverseBallot: |
| case glslang::EOpSubgroupBallotBitExtract: |
| case glslang::EOpSubgroupBallotBitCount: |
| case glslang::EOpSubgroupBallotInclusiveBitCount: |
| case glslang::EOpSubgroupBallotExclusiveBitCount: |
| case glslang::EOpSubgroupBallotFindLSB: |
| case glslang::EOpSubgroupBallotFindMSB: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformBallot); |
| break; |
| case glslang::EOpSubgroupShuffle: |
| case glslang::EOpSubgroupShuffleXor: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformShuffle); |
| break; |
| case glslang::EOpSubgroupShuffleUp: |
| case glslang::EOpSubgroupShuffleDown: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformShuffleRelative); |
| break; |
| case glslang::EOpSubgroupAdd: |
| case glslang::EOpSubgroupMul: |
| case glslang::EOpSubgroupMin: |
| case glslang::EOpSubgroupMax: |
| case glslang::EOpSubgroupAnd: |
| case glslang::EOpSubgroupOr: |
| case glslang::EOpSubgroupXor: |
| case glslang::EOpSubgroupInclusiveAdd: |
| case glslang::EOpSubgroupInclusiveMul: |
| case glslang::EOpSubgroupInclusiveMin: |
| case glslang::EOpSubgroupInclusiveMax: |
| case glslang::EOpSubgroupInclusiveAnd: |
| case glslang::EOpSubgroupInclusiveOr: |
| case glslang::EOpSubgroupInclusiveXor: |
| case glslang::EOpSubgroupExclusiveAdd: |
| case glslang::EOpSubgroupExclusiveMul: |
| case glslang::EOpSubgroupExclusiveMin: |
| case glslang::EOpSubgroupExclusiveMax: |
| case glslang::EOpSubgroupExclusiveAnd: |
| case glslang::EOpSubgroupExclusiveOr: |
| case glslang::EOpSubgroupExclusiveXor: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformArithmetic); |
| break; |
| case glslang::EOpSubgroupClusteredAdd: |
| case glslang::EOpSubgroupClusteredMul: |
| case glslang::EOpSubgroupClusteredMin: |
| case glslang::EOpSubgroupClusteredMax: |
| case glslang::EOpSubgroupClusteredAnd: |
| case glslang::EOpSubgroupClusteredOr: |
| case glslang::EOpSubgroupClusteredXor: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformClustered); |
| break; |
| case glslang::EOpSubgroupQuadBroadcast: |
| case glslang::EOpSubgroupQuadSwapHorizontal: |
| case glslang::EOpSubgroupQuadSwapVertical: |
| case glslang::EOpSubgroupQuadSwapDiagonal: |
| builder.addCapability(spv::CapabilityGroupNonUniform); |
| builder.addCapability(spv::CapabilityGroupNonUniformQuad); |
| break; |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedAdd: |
| case glslang::EOpSubgroupPartitionedMul: |
| case glslang::EOpSubgroupPartitionedMin: |
| case glslang::EOpSubgroupPartitionedMax: |
| case glslang::EOpSubgroupPartitionedAnd: |
| case glslang::EOpSubgroupPartitionedOr: |
| case glslang::EOpSubgroupPartitionedXor: |
| case glslang::EOpSubgroupPartitionedInclusiveAdd: |
| case glslang::EOpSubgroupPartitionedInclusiveMul: |
| case glslang::EOpSubgroupPartitionedInclusiveMin: |
| case glslang::EOpSubgroupPartitionedInclusiveMax: |
| case glslang::EOpSubgroupPartitionedInclusiveAnd: |
| case glslang::EOpSubgroupPartitionedInclusiveOr: |
| case glslang::EOpSubgroupPartitionedInclusiveXor: |
| case glslang::EOpSubgroupPartitionedExclusiveAdd: |
| case glslang::EOpSubgroupPartitionedExclusiveMul: |
| case glslang::EOpSubgroupPartitionedExclusiveMin: |
| case glslang::EOpSubgroupPartitionedExclusiveMax: |
| case glslang::EOpSubgroupPartitionedExclusiveAnd: |
| case glslang::EOpSubgroupPartitionedExclusiveOr: |
| case glslang::EOpSubgroupPartitionedExclusiveXor: |
| builder.addExtension(spv::E_SPV_NV_shader_subgroup_partitioned); |
| builder.addCapability(spv::CapabilityGroupNonUniformPartitionedNV); |
| break; |
| #endif |
| default: assert(0 && "Unhandled subgroup operation!"); |
| } |
| |
| const bool isUnsigned = typeProxy == glslang::EbtUint || typeProxy == glslang::EbtUint64; |
| const bool isFloat = typeProxy == glslang::EbtFloat || typeProxy == glslang::EbtDouble; |
| const bool isBool = typeProxy == glslang::EbtBool; |
| |
| spv::Op opCode = spv::OpNop; |
| |
| // Figure out which opcode to use. |
| switch (op) { |
| case glslang::EOpSubgroupElect: opCode = spv::OpGroupNonUniformElect; break; |
| case glslang::EOpSubgroupAll: opCode = spv::OpGroupNonUniformAll; break; |
| case glslang::EOpSubgroupAny: opCode = spv::OpGroupNonUniformAny; break; |
| case glslang::EOpSubgroupAllEqual: opCode = spv::OpGroupNonUniformAllEqual; break; |
| case glslang::EOpSubgroupBroadcast: opCode = spv::OpGroupNonUniformBroadcast; break; |
| case glslang::EOpSubgroupBroadcastFirst: opCode = spv::OpGroupNonUniformBroadcastFirst; break; |
| case glslang::EOpSubgroupBallot: opCode = spv::OpGroupNonUniformBallot; break; |
| case glslang::EOpSubgroupInverseBallot: opCode = spv::OpGroupNonUniformInverseBallot; break; |
| case glslang::EOpSubgroupBallotBitExtract: opCode = spv::OpGroupNonUniformBallotBitExtract; break; |
| case glslang::EOpSubgroupBallotBitCount: |
| case glslang::EOpSubgroupBallotInclusiveBitCount: |
| case glslang::EOpSubgroupBallotExclusiveBitCount: opCode = spv::OpGroupNonUniformBallotBitCount; break; |
| case glslang::EOpSubgroupBallotFindLSB: opCode = spv::OpGroupNonUniformBallotFindLSB; break; |
| case glslang::EOpSubgroupBallotFindMSB: opCode = spv::OpGroupNonUniformBallotFindMSB; break; |
| case glslang::EOpSubgroupShuffle: opCode = spv::OpGroupNonUniformShuffle; break; |
| case glslang::EOpSubgroupShuffleXor: opCode = spv::OpGroupNonUniformShuffleXor; break; |
| case glslang::EOpSubgroupShuffleUp: opCode = spv::OpGroupNonUniformShuffleUp; break; |
| case glslang::EOpSubgroupShuffleDown: opCode = spv::OpGroupNonUniformShuffleDown; break; |
| case glslang::EOpSubgroupAdd: |
| case glslang::EOpSubgroupInclusiveAdd: |
| case glslang::EOpSubgroupExclusiveAdd: |
| case glslang::EOpSubgroupClusteredAdd: |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedAdd: |
| case glslang::EOpSubgroupPartitionedInclusiveAdd: |
| case glslang::EOpSubgroupPartitionedExclusiveAdd: |
| #endif |
| if (isFloat) { |
| opCode = spv::OpGroupNonUniformFAdd; |
| } else { |
| opCode = spv::OpGroupNonUniformIAdd; |
| } |
| break; |
| case glslang::EOpSubgroupMul: |
| case glslang::EOpSubgroupInclusiveMul: |
| case glslang::EOpSubgroupExclusiveMul: |
| case glslang::EOpSubgroupClusteredMul: |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedMul: |
| case glslang::EOpSubgroupPartitionedInclusiveMul: |
| case glslang::EOpSubgroupPartitionedExclusiveMul: |
| #endif |
| if (isFloat) { |
| opCode = spv::OpGroupNonUniformFMul; |
| } else { |
| opCode = spv::OpGroupNonUniformIMul; |
| } |
| break; |
| case glslang::EOpSubgroupMin: |
| case glslang::EOpSubgroupInclusiveMin: |
| case glslang::EOpSubgroupExclusiveMin: |
| case glslang::EOpSubgroupClusteredMin: |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedMin: |
| case glslang::EOpSubgroupPartitionedInclusiveMin: |
| case glslang::EOpSubgroupPartitionedExclusiveMin: |
| #endif |
| if (isFloat) { |
| opCode = spv::OpGroupNonUniformFMin; |
| } else if (isUnsigned) { |
| opCode = spv::OpGroupNonUniformUMin; |
| } else { |
| opCode = spv::OpGroupNonUniformSMin; |
| } |
| break; |
| case glslang::EOpSubgroupMax: |
| case glslang::EOpSubgroupInclusiveMax: |
| case glslang::EOpSubgroupExclusiveMax: |
| case glslang::EOpSubgroupClusteredMax: |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedMax: |
| case glslang::EOpSubgroupPartitionedInclusiveMax: |
| case glslang::EOpSubgroupPartitionedExclusiveMax: |
| #endif |
| if (isFloat) { |
| opCode = spv::OpGroupNonUniformFMax; |
| } else if (isUnsigned) { |
| opCode = spv::OpGroupNonUniformUMax; |
| } else { |
| opCode = spv::OpGroupNonUniformSMax; |
| } |
| break; |
| case glslang::EOpSubgroupAnd: |
| case glslang::EOpSubgroupInclusiveAnd: |
| case glslang::EOpSubgroupExclusiveAnd: |
| case glslang::EOpSubgroupClusteredAnd: |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedAnd: |
| case glslang::EOpSubgroupPartitionedInclusiveAnd: |
| case glslang::EOpSubgroupPartitionedExclusiveAnd: |
| #endif |
| if (isBool) { |
| opCode = spv::OpGroupNonUniformLogicalAnd; |
| } else { |
| opCode = spv::OpGroupNonUniformBitwiseAnd; |
| } |
| break; |
| case glslang::EOpSubgroupOr: |
| case glslang::EOpSubgroupInclusiveOr: |
| case glslang::EOpSubgroupExclusiveOr: |
| case glslang::EOpSubgroupClusteredOr: |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedOr: |
| case glslang::EOpSubgroupPartitionedInclusiveOr: |
| case glslang::EOpSubgroupPartitionedExclusiveOr: |
| #endif |
| if (isBool) { |
| opCode = spv::OpGroupNonUniformLogicalOr; |
| } else { |
| opCode = spv::OpGroupNonUniformBitwiseOr; |
| } |
| break; |
| case glslang::EOpSubgroupXor: |
| case glslang::EOpSubgroupInclusiveXor: |
| case glslang::EOpSubgroupExclusiveXor: |
| case glslang::EOpSubgroupClusteredXor: |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedXor: |
| case glslang::EOpSubgroupPartitionedInclusiveXor: |
| case glslang::EOpSubgroupPartitionedExclusiveXor: |
| #endif |
| if (isBool) { |
| opCode = spv::OpGroupNonUniformLogicalXor; |
| } else { |
| opCode = spv::OpGroupNonUniformBitwiseXor; |
| } |
| break; |
| case glslang::EOpSubgroupQuadBroadcast: opCode = spv::OpGroupNonUniformQuadBroadcast; break; |
| case glslang::EOpSubgroupQuadSwapHorizontal: |
| case glslang::EOpSubgroupQuadSwapVertical: |
| case glslang::EOpSubgroupQuadSwapDiagonal: opCode = spv::OpGroupNonUniformQuadSwap; break; |
| default: assert(0 && "Unhandled subgroup operation!"); |
| } |
| |
| // get the right Group Operation |
| spv::GroupOperation groupOperation = spv::GroupOperationMax; |
| switch (op) { |
| default: |
| break; |
| case glslang::EOpSubgroupBallotBitCount: |
| case glslang::EOpSubgroupAdd: |
| case glslang::EOpSubgroupMul: |
| case glslang::EOpSubgroupMin: |
| case glslang::EOpSubgroupMax: |
| case glslang::EOpSubgroupAnd: |
| case glslang::EOpSubgroupOr: |
| case glslang::EOpSubgroupXor: |
| groupOperation = spv::GroupOperationReduce; |
| break; |
| case glslang::EOpSubgroupBallotInclusiveBitCount: |
| case glslang::EOpSubgroupInclusiveAdd: |
| case glslang::EOpSubgroupInclusiveMul: |
| case glslang::EOpSubgroupInclusiveMin: |
| case glslang::EOpSubgroupInclusiveMax: |
| case glslang::EOpSubgroupInclusiveAnd: |
| case glslang::EOpSubgroupInclusiveOr: |
| case glslang::EOpSubgroupInclusiveXor: |
| groupOperation = spv::GroupOperationInclusiveScan; |
| break; |
| case glslang::EOpSubgroupBallotExclusiveBitCount: |
| case glslang::EOpSubgroupExclusiveAdd: |
| case glslang::EOpSubgroupExclusiveMul: |
| case glslang::EOpSubgroupExclusiveMin: |
| case glslang::EOpSubgroupExclusiveMax: |
| case glslang::EOpSubgroupExclusiveAnd: |
| case glslang::EOpSubgroupExclusiveOr: |
| case glslang::EOpSubgroupExclusiveXor: |
| groupOperation = spv::GroupOperationExclusiveScan; |
| break; |
| case glslang::EOpSubgroupClusteredAdd: |
| case glslang::EOpSubgroupClusteredMul: |
| case glslang::EOpSubgroupClusteredMin: |
| case glslang::EOpSubgroupClusteredMax: |
| case glslang::EOpSubgroupClusteredAnd: |
| case glslang::EOpSubgroupClusteredOr: |
| case glslang::EOpSubgroupClusteredXor: |
| groupOperation = spv::GroupOperationClusteredReduce; |
| break; |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedAdd: |
| case glslang::EOpSubgroupPartitionedMul: |
| case glslang::EOpSubgroupPartitionedMin: |
| case glslang::EOpSubgroupPartitionedMax: |
| case glslang::EOpSubgroupPartitionedAnd: |
| case glslang::EOpSubgroupPartitionedOr: |
| case glslang::EOpSubgroupPartitionedXor: |
| groupOperation = spv::GroupOperationPartitionedReduceNV; |
| break; |
| case glslang::EOpSubgroupPartitionedInclusiveAdd: |
| case glslang::EOpSubgroupPartitionedInclusiveMul: |
| case glslang::EOpSubgroupPartitionedInclusiveMin: |
| case glslang::EOpSubgroupPartitionedInclusiveMax: |
| case glslang::EOpSubgroupPartitionedInclusiveAnd: |
| case glslang::EOpSubgroupPartitionedInclusiveOr: |
| case glslang::EOpSubgroupPartitionedInclusiveXor: |
| groupOperation = spv::GroupOperationPartitionedInclusiveScanNV; |
| break; |
| case glslang::EOpSubgroupPartitionedExclusiveAdd: |
| case glslang::EOpSubgroupPartitionedExclusiveMul: |
| case glslang::EOpSubgroupPartitionedExclusiveMin: |
| case glslang::EOpSubgroupPartitionedExclusiveMax: |
| case glslang::EOpSubgroupPartitionedExclusiveAnd: |
| case glslang::EOpSubgroupPartitionedExclusiveOr: |
| case glslang::EOpSubgroupPartitionedExclusiveXor: |
| groupOperation = spv::GroupOperationPartitionedExclusiveScanNV; |
| break; |
| #endif |
| } |
| |
| // build the instruction |
| std::vector<spv::IdImmediate> spvGroupOperands; |
| |
| // Every operation begins with the Execution Scope operand. |
| spv::IdImmediate executionScope = { true, builder.makeUintConstant(spv::ScopeSubgroup) }; |
| spvGroupOperands.push_back(executionScope); |
| |
| // Next, for all operations that use a Group Operation, push that as an operand. |
| if (groupOperation != spv::GroupOperationMax) { |
| spv::IdImmediate groupOperand = { false, (unsigned)groupOperation }; |
| spvGroupOperands.push_back(groupOperand); |
| } |
| |
| // Push back the operands next. |
| for (auto opIt = operands.cbegin(); opIt != operands.cend(); ++opIt) { |
| spv::IdImmediate operand = { true, *opIt }; |
| spvGroupOperands.push_back(operand); |
| } |
| |
| // Some opcodes have additional operands. |
| spv::Id directionId = spv::NoResult; |
| switch (op) { |
| default: break; |
| case glslang::EOpSubgroupQuadSwapHorizontal: directionId = builder.makeUintConstant(0); break; |
| case glslang::EOpSubgroupQuadSwapVertical: directionId = builder.makeUintConstant(1); break; |
| case glslang::EOpSubgroupQuadSwapDiagonal: directionId = builder.makeUintConstant(2); break; |
| } |
| if (directionId != spv::NoResult) { |
| spv::IdImmediate direction = { true, directionId }; |
| spvGroupOperands.push_back(direction); |
| } |
| |
| return builder.createOp(opCode, typeId, spvGroupOperands); |
| } |
| |
| spv::Id TGlslangToSpvTraverser::createMiscOperation(glslang::TOperator op, spv::Decoration precision, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy) |
| { |
| bool isUnsigned = isTypeUnsignedInt(typeProxy); |
| bool isFloat = isTypeFloat(typeProxy); |
| |
| spv::Op opCode = spv::OpNop; |
| int extBuiltins = -1; |
| int libCall = -1; |
| size_t consumedOperands = operands.size(); |
| spv::Id typeId0 = 0; |
| if (consumedOperands > 0) |
| typeId0 = builder.getTypeId(operands[0]); |
| spv::Id typeId1 = 0; |
| if (consumedOperands > 1) |
| typeId1 = builder.getTypeId(operands[1]); |
| spv::Id frexpIntType = 0; |
| |
| switch (op) { |
| case glslang::EOpMin: |
| if (isFloat) |
| libCall = spv::GLSLstd450FMin; |
| else if (isUnsigned) |
| libCall = spv::GLSLstd450UMin; |
| else |
| libCall = spv::GLSLstd450SMin; |
| builder.promoteScalar(precision, operands.front(), operands.back()); |
| break; |
| case glslang::EOpModf: |
| libCall = spv::GLSLstd450Modf; |
| break; |
| case glslang::EOpMax: |
| if (isFloat) |
| libCall = spv::GLSLstd450FMax; |
| else if (isUnsigned) |
| libCall = spv::GLSLstd450UMax; |
| else |
| libCall = spv::GLSLstd450SMax; |
| builder.promoteScalar(precision, operands.front(), operands.back()); |
| break; |
| case glslang::EOpPow: |
| libCall = spv::GLSLstd450Pow; |
| break; |
| case glslang::EOpDot: |
| opCode = spv::OpDot; |
| break; |
| case glslang::EOpAtan: |
| libCall = spv::GLSLstd450Atan2; |
| break; |
| |
| case glslang::EOpClamp: |
| if (isFloat) |
| libCall = spv::GLSLstd450FClamp; |
| else if (isUnsigned) |
| libCall = spv::GLSLstd450UClamp; |
| else |
| libCall = spv::GLSLstd450SClamp; |
| builder.promoteScalar(precision, operands.front(), operands[1]); |
| builder.promoteScalar(precision, operands.front(), operands[2]); |
| break; |
| case glslang::EOpMix: |
| if (! builder.isBoolType(builder.getScalarTypeId(builder.getTypeId(operands.back())))) { |
| assert(isFloat); |
| libCall = spv::GLSLstd450FMix; |
| } else { |
| opCode = spv::OpSelect; |
| std::swap(operands.front(), operands.back()); |
| } |
| builder.promoteScalar(precision, operands.front(), operands.back()); |
| break; |
| case glslang::EOpStep: |
| libCall = spv::GLSLstd450Step; |
| builder.promoteScalar(precision, operands.front(), operands.back()); |
| break; |
| case glslang::EOpSmoothStep: |
| libCall = spv::GLSLstd450SmoothStep; |
| builder.promoteScalar(precision, operands[0], operands[2]); |
| builder.promoteScalar(precision, operands[1], operands[2]); |
| break; |
| |
| case glslang::EOpDistance: |
| libCall = spv::GLSLstd450Distance; |
| break; |
| case glslang::EOpCross: |
| libCall = spv::GLSLstd450Cross; |
| break; |
| case glslang::EOpFaceForward: |
| libCall = spv::GLSLstd450FaceForward; |
| break; |
| case glslang::EOpReflect: |
| libCall = spv::GLSLstd450Reflect; |
| break; |
| case glslang::EOpRefract: |
| libCall = spv::GLSLstd450Refract; |
| break; |
| case glslang::EOpInterpolateAtSample: |
| #ifdef AMD_EXTENSIONS |
| if (typeProxy == glslang::EbtFloat16) |
| builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float); |
| #endif |
| libCall = spv::GLSLstd450InterpolateAtSample; |
| break; |
| case glslang::EOpInterpolateAtOffset: |
| #ifdef AMD_EXTENSIONS |
| if (typeProxy == glslang::EbtFloat16) |
| builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float); |
| #endif |
| libCall = spv::GLSLstd450InterpolateAtOffset; |
| break; |
| case glslang::EOpAddCarry: |
| opCode = spv::OpIAddCarry; |
| typeId = builder.makeStructResultType(typeId0, typeId0); |
| consumedOperands = 2; |
| break; |
| case glslang::EOpSubBorrow: |
| opCode = spv::OpISubBorrow; |
| typeId = builder.makeStructResultType(typeId0, typeId0); |
| consumedOperands = 2; |
| break; |
| case glslang::EOpUMulExtended: |
| opCode = spv::OpUMulExtended; |
| typeId = builder.makeStructResultType(typeId0, typeId0); |
| consumedOperands = 2; |
| break; |
| case glslang::EOpIMulExtended: |
| opCode = spv::OpSMulExtended; |
| typeId = builder.makeStructResultType(typeId0, typeId0); |
| consumedOperands = 2; |
| break; |
| case glslang::EOpBitfieldExtract: |
| if (isUnsigned) |
| opCode = spv::OpBitFieldUExtract; |
| else |
| opCode = spv::OpBitFieldSExtract; |
| break; |
| case glslang::EOpBitfieldInsert: |
| opCode = spv::OpBitFieldInsert; |
| break; |
| |
| case glslang::EOpFma: |
| libCall = spv::GLSLstd450Fma; |
| break; |
| case glslang::EOpFrexp: |
| { |
| libCall = spv::GLSLstd450FrexpStruct; |
| assert(builder.isPointerType(typeId1)); |
| typeId1 = builder.getContainedTypeId(typeId1); |
| int width = builder.getScalarTypeWidth(typeId1); |
| #ifdef AMD_EXTENSIONS |
| if (width == 16) |
| // Using 16-bit exp operand, enable extension SPV_AMD_gpu_shader_int16 |
| builder.addExtension(spv::E_SPV_AMD_gpu_shader_int16); |
| #endif |
| if (builder.getNumComponents(operands[0]) == 1) |
| frexpIntType = builder.makeIntegerType(width, true); |
| else |
| frexpIntType = builder.makeVectorType(builder.makeIntegerType(width, true), builder.getNumComponents(operands[0])); |
| typeId = builder.makeStructResultType(typeId0, frexpIntType); |
| consumedOperands = 1; |
| } |
| break; |
| case glslang::EOpLdexp: |
| libCall = spv::GLSLstd450Ldexp; |
| break; |
| |
| case glslang::EOpReadInvocation: |
| return createInvocationsOperation(op, typeId, operands, typeProxy); |
| |
| case glslang::EOpSubgroupBroadcast: |
| case glslang::EOpSubgroupBallotBitExtract: |
| case glslang::EOpSubgroupShuffle: |
| case glslang::EOpSubgroupShuffleXor: |
| case glslang::EOpSubgroupShuffleUp: |
| case glslang::EOpSubgroupShuffleDown: |
| case glslang::EOpSubgroupClusteredAdd: |
| case glslang::EOpSubgroupClusteredMul: |
| case glslang::EOpSubgroupClusteredMin: |
| case glslang::EOpSubgroupClusteredMax: |
| case glslang::EOpSubgroupClusteredAnd: |
| case glslang::EOpSubgroupClusteredOr: |
| case glslang::EOpSubgroupClusteredXor: |
| case glslang::EOpSubgroupQuadBroadcast: |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpSubgroupPartitionedAdd: |
| case glslang::EOpSubgroupPartitionedMul: |
| case glslang::EOpSubgroupPartitionedMin: |
| case glslang::EOpSubgroupPartitionedMax: |
| case glslang::EOpSubgroupPartitionedAnd: |
| case glslang::EOpSubgroupPartitionedOr: |
| case glslang::EOpSubgroupPartitionedXor: |
| case glslang::EOpSubgroupPartitionedInclusiveAdd: |
| case glslang::EOpSubgroupPartitionedInclusiveMul: |
| case glslang::EOpSubgroupPartitionedInclusiveMin: |
| case glslang::EOpSubgroupPartitionedInclusiveMax: |
| case glslang::EOpSubgroupPartitionedInclusiveAnd: |
| case glslang::EOpSubgroupPartitionedInclusiveOr: |
| case glslang::EOpSubgroupPartitionedInclusiveXor: |
| case glslang::EOpSubgroupPartitionedExclusiveAdd: |
| case glslang::EOpSubgroupPartitionedExclusiveMul: |
| case glslang::EOpSubgroupPartitionedExclusiveMin: |
| case glslang::EOpSubgroupPartitionedExclusiveMax: |
| case glslang::EOpSubgroupPartitionedExclusiveAnd: |
| case glslang::EOpSubgroupPartitionedExclusiveOr: |
| case glslang::EOpSubgroupPartitionedExclusiveXor: |
| #endif |
| return createSubgroupOperation(op, typeId, operands, typeProxy); |
| |
| #ifdef AMD_EXTENSIONS |
| case glslang::EOpSwizzleInvocations: |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_shader_ballot); |
| libCall = spv::SwizzleInvocationsAMD; |
| break; |
| case glslang::EOpSwizzleInvocationsMasked: |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_shader_ballot); |
| libCall = spv::SwizzleInvocationsMaskedAMD; |
| break; |
| case glslang::EOpWriteInvocation: |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_shader_ballot); |
| libCall = spv::WriteInvocationAMD; |
| break; |
| |
| case glslang::EOpMin3: |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_shader_trinary_minmax); |
| if (isFloat) |
| libCall = spv::FMin3AMD; |
| else { |
| if (isUnsigned) |
| libCall = spv::UMin3AMD; |
| else |
| libCall = spv::SMin3AMD; |
| } |
| break; |
| case glslang::EOpMax3: |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_shader_trinary_minmax); |
| if (isFloat) |
| libCall = spv::FMax3AMD; |
| else { |
| if (isUnsigned) |
| libCall = spv::UMax3AMD; |
| else |
| libCall = spv::SMax3AMD; |
| } |
| break; |
| case glslang::EOpMid3: |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_shader_trinary_minmax); |
| if (isFloat) |
| libCall = spv::FMid3AMD; |
| else { |
| if (isUnsigned) |
| libCall = spv::UMid3AMD; |
| else |
| libCall = spv::SMid3AMD; |
| } |
| break; |
| |
| case glslang::EOpInterpolateAtVertex: |
| if (typeProxy == glslang::EbtFloat16) |
| builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float); |
| extBuiltins = getExtBuiltins(spv::E_SPV_AMD_shader_explicit_vertex_parameter); |
| libCall = spv::InterpolateAtVertexAMD; |
| break; |
| #endif |
| case glslang::EOpBarrier: |
| { |
| // This is for the extended controlBarrier function, with four operands. |
| // The unextended barrier() goes through createNoArgOperation. |
| assert(operands.size() == 4); |
| unsigned int executionScope = builder.getConstantScalar(operands[0]); |
| unsigned int memoryScope = builder.getConstantScalar(operands[1]); |
| unsigned int semantics = builder.getConstantScalar(operands[2]) | builder.getConstantScalar(operands[3]); |
| builder.createControlBarrier((spv::Scope)executionScope, (spv::Scope)memoryScope, (spv::MemorySemanticsMask)semantics); |
| if (semantics & (spv::MemorySemanticsMakeAvailableKHRMask | spv::MemorySemanticsMakeVisibleKHRMask | spv::MemorySemanticsOutputMemoryKHRMask)) { |
| builder.addCapability(spv::CapabilityVulkanMemoryModelKHR); |
| } |
| if (glslangIntermediate->usingVulkanMemoryModel() && (executionScope == spv::ScopeDevice || memoryScope == spv::ScopeDevice)) { |
| builder.addCapability(spv::CapabilityVulkanMemoryModelDeviceScopeKHR); |
| } |
| return 0; |
| } |
| break; |
| case glslang::EOpMemoryBarrier: |
| { |
| // This is for the extended memoryBarrier function, with three operands. |
| // The unextended memoryBarrier() goes through createNoArgOperation. |
| assert(operands.size() == 3); |
| unsigned int memoryScope = builder.getConstantScalar(operands[0]); |
| unsigned int semantics = builder.getConstantScalar(operands[1]) | builder.getConstantScalar(operands[2]); |
| builder.createMemoryBarrier((spv::Scope)memoryScope, (spv::MemorySemanticsMask)semantics); |
| if (semantics & (spv::MemorySemanticsMakeAvailableKHRMask | spv::MemorySemanticsMakeVisibleKHRMask | spv::MemorySemanticsOutputMemoryKHRMask)) { |
| builder.addCapability(spv::CapabilityVulkanMemoryModelKHR); |
| } |
| if (glslangIntermediate->usingVulkanMemoryModel() && memoryScope == spv::ScopeDevice) { |
| builder.addCapability(spv::CapabilityVulkanMemoryModelDeviceScopeKHR); |
| } |
| return 0; |
| } |
| break; |
| |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpReportIntersectionNV: |
| { |
| typeId = builder.makeBoolType(); |
| opCode = spv::OpReportIntersectionNV; |
| } |
| break; |
| case glslang::EOpTraceNV: |
| { |
| builder.createNoResultOp(spv::OpTraceNV, operands); |
| return 0; |
| } |
| break; |
| case glslang::EOpExecuteCallableNV: |
| { |
| builder.createNoResultOp(spv::OpExecuteCallableNV, operands); |
| return 0; |
| } |
| break; |
| case glslang::EOpWritePackedPrimitiveIndices4x8NV: |
| builder.createNoResultOp(spv::OpWritePackedPrimitiveIndices4x8NV, operands); |
| return 0; |
| #endif |
| default: |
| return 0; |
| } |
| |
| spv::Id id = 0; |
| if (libCall >= 0) { |
| // Use an extended instruction from the standard library. |
| // Construct the call arguments, without modifying the original operands vector. |
| // We might need the remaining arguments, e.g. in the EOpFrexp case. |
| std::vector<spv::Id> callArguments(operands.begin(), operands.begin() + consumedOperands); |
| id = builder.createBuiltinCall(typeId, extBuiltins >= 0 ? extBuiltins : stdBuiltins, libCall, callArguments); |
| } else if (opCode == spv::OpDot && !isFloat) { |
| // int dot(int, int) |
| // NOTE: never called for scalar/vector1, this is turned into simple mul before this can be reached |
| const int componentCount = builder.getNumComponents(operands[0]); |
| spv::Id mulOp = builder.createBinOp(spv::OpIMul, builder.getTypeId(operands[0]), operands[0], operands[1]); |
| builder.setPrecision(mulOp, precision); |
| id = builder.createCompositeExtract(mulOp, typeId, 0); |
| for (int i = 1; i < componentCount; ++i) { |
| builder.setPrecision(id, precision); |
| id = builder.createBinOp(spv::OpIAdd, typeId, id, builder.createCompositeExtract(operands[0], typeId, i)); |
| } |
| } else { |
| switch (consumedOperands) { |
| case 0: |
| // should all be handled by visitAggregate and createNoArgOperation |
| assert(0); |
| return 0; |
| case 1: |
| // should all be handled by createUnaryOperation |
| assert(0); |
| return 0; |
| case 2: |
| id = builder.createBinOp(opCode, typeId, operands[0], operands[1]); |
| break; |
| default: |
| // anything 3 or over doesn't have l-value operands, so all should be consumed |
| assert(consumedOperands == operands.size()); |
| id = builder.createOp(opCode, typeId, operands); |
| break; |
| } |
| } |
| |
| // Decode the return types that were structures |
| switch (op) { |
| case glslang::EOpAddCarry: |
| case glslang::EOpSubBorrow: |
| builder.createStore(builder.createCompositeExtract(id, typeId0, 1), operands[2]); |
| id = builder.createCompositeExtract(id, typeId0, 0); |
| break; |
| case glslang::EOpUMulExtended: |
| case glslang::EOpIMulExtended: |
| builder.createStore(builder.createCompositeExtract(id, typeId0, 0), operands[3]); |
| builder.createStore(builder.createCompositeExtract(id, typeId0, 1), operands[2]); |
| break; |
| case glslang::EOpFrexp: |
| { |
| assert(operands.size() == 2); |
| if (builder.isFloatType(builder.getScalarTypeId(typeId1))) { |
| // "exp" is floating-point type (from HLSL intrinsic) |
| spv::Id member1 = builder.createCompositeExtract(id, frexpIntType, 1); |
| member1 = builder.createUnaryOp(spv::OpConvertSToF, typeId1, member1); |
| builder.createStore(member1, operands[1]); |
| } else |
| // "exp" is integer type (from GLSL built-in function) |
| builder.createStore(builder.createCompositeExtract(id, frexpIntType, 1), operands[1]); |
| id = builder.createCompositeExtract(id, typeId0, 0); |
| } |
| break; |
| default: |
| break; |
| } |
| |
| return builder.setPrecision(id, precision); |
| } |
| |
| // Intrinsics with no arguments (or no return value, and no precision). |
| spv::Id TGlslangToSpvTraverser::createNoArgOperation(glslang::TOperator op, spv::Decoration precision, spv::Id typeId) |
| { |
| // GLSL memory barriers use queuefamily scope in new model, device scope in old model |
| spv::Scope memoryBarrierScope = glslangIntermediate->usingVulkanMemoryModel() ? spv::ScopeQueueFamilyKHR : spv::ScopeDevice; |
| |
| switch (op) { |
| case glslang::EOpEmitVertex: |
| builder.createNoResultOp(spv::OpEmitVertex); |
| return 0; |
| case glslang::EOpEndPrimitive: |
| builder.createNoResultOp(spv::OpEndPrimitive); |
| return 0; |
| case glslang::EOpBarrier: |
| if (glslangIntermediate->getStage() == EShLangTessControl) { |
| if (glslangIntermediate->usingVulkanMemoryModel()) { |
| builder.createControlBarrier(spv::ScopeWorkgroup, spv::ScopeWorkgroup, |
| spv::MemorySemanticsOutputMemoryKHRMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| builder.addCapability(spv::CapabilityVulkanMemoryModelKHR); |
| } else { |
| builder.createControlBarrier(spv::ScopeWorkgroup, spv::ScopeInvocation, spv::MemorySemanticsMaskNone); |
| } |
| } else { |
| builder.createControlBarrier(spv::ScopeWorkgroup, spv::ScopeWorkgroup, |
| spv::MemorySemanticsWorkgroupMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| } |
| return 0; |
| case glslang::EOpMemoryBarrier: |
| builder.createMemoryBarrier(memoryBarrierScope, spv::MemorySemanticsAllMemory | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpMemoryBarrierAtomicCounter: |
| builder.createMemoryBarrier(memoryBarrierScope, spv::MemorySemanticsAtomicCounterMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpMemoryBarrierBuffer: |
| builder.createMemoryBarrier(memoryBarrierScope, spv::MemorySemanticsUniformMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpMemoryBarrierImage: |
| builder.createMemoryBarrier(memoryBarrierScope, spv::MemorySemanticsImageMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpMemoryBarrierShared: |
| builder.createMemoryBarrier(memoryBarrierScope, spv::MemorySemanticsWorkgroupMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpGroupMemoryBarrier: |
| builder.createMemoryBarrier(spv::ScopeWorkgroup, spv::MemorySemanticsAllMemory | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpAllMemoryBarrierWithGroupSync: |
| builder.createControlBarrier(spv::ScopeWorkgroup, spv::ScopeDevice, |
| spv::MemorySemanticsAllMemory | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpDeviceMemoryBarrier: |
| builder.createMemoryBarrier(spv::ScopeDevice, spv::MemorySemanticsUniformMemoryMask | |
| spv::MemorySemanticsImageMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpDeviceMemoryBarrierWithGroupSync: |
| builder.createControlBarrier(spv::ScopeWorkgroup, spv::ScopeDevice, spv::MemorySemanticsUniformMemoryMask | |
| spv::MemorySemanticsImageMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpWorkgroupMemoryBarrier: |
| builder.createMemoryBarrier(spv::ScopeWorkgroup, spv::MemorySemanticsWorkgroupMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpWorkgroupMemoryBarrierWithGroupSync: |
| builder.createControlBarrier(spv::ScopeWorkgroup, spv::ScopeWorkgroup, |
| spv::MemorySemanticsWorkgroupMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return 0; |
| case glslang::EOpSubgroupBarrier: |
| builder.createControlBarrier(spv::ScopeSubgroup, spv::ScopeSubgroup, spv::MemorySemanticsAllMemory | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return spv::NoResult; |
| case glslang::EOpSubgroupMemoryBarrier: |
| builder.createMemoryBarrier(spv::ScopeSubgroup, spv::MemorySemanticsAllMemory | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return spv::NoResult; |
| case glslang::EOpSubgroupMemoryBarrierBuffer: |
| builder.createMemoryBarrier(spv::ScopeSubgroup, spv::MemorySemanticsUniformMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return spv::NoResult; |
| case glslang::EOpSubgroupMemoryBarrierImage: |
| builder.createMemoryBarrier(spv::ScopeSubgroup, spv::MemorySemanticsImageMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return spv::NoResult; |
| case glslang::EOpSubgroupMemoryBarrierShared: |
| builder.createMemoryBarrier(spv::ScopeSubgroup, spv::MemorySemanticsWorkgroupMemoryMask | |
| spv::MemorySemanticsAcquireReleaseMask); |
| return spv::NoResult; |
| case glslang::EOpSubgroupElect: { |
| std::vector<spv::Id> operands; |
| return createSubgroupOperation(op, typeId, operands, glslang::EbtVoid); |
| } |
| #ifdef AMD_EXTENSIONS |
| case glslang::EOpTime: |
| { |
| std::vector<spv::Id> args; // Dummy arguments |
| spv::Id id = builder.createBuiltinCall(typeId, getExtBuiltins(spv::E_SPV_AMD_gcn_shader), spv::TimeAMD, args); |
| return builder.setPrecision(id, precision); |
| } |
| #endif |
| #ifdef NV_EXTENSIONS |
| case glslang::EOpIgnoreIntersectionNV: |
| builder.createNoResultOp(spv::OpIgnoreIntersectionNV); |
| return 0; |
| case glslang::EOpTerminateRayNV: |
| builder.createNoResultOp(spv::OpTerminateRayNV); |
| return 0; |
| #endif |
| default: |
| logger->missingFunctionality("unknown operation with no arguments"); |
| return 0; |
| } |
| } |
| |
| spv::Id TGlslangToSpvTraverser::getSymbolId(const glslang::TIntermSymbol* symbol) |
| { |
| auto iter = symbolValues.find(symbol->getId()); |
| spv::Id id; |
| if (symbolValues.end() != iter) { |
| id = iter->second; |
| return id; |
| } |
| |
| // it was not found, create it |
| id = createSpvVariable(symbol); |
| symbolValues[symbol->getId()] = id; |
| |
| if (symbol->getBasicType() != glslang::EbtBlock) { |
| builder.addDecoration(id, TranslatePrecisionDecoration(symbol->getType())); |
| builder.addDecoration(id, TranslateInterpolationDecoration(symbol->getType().getQualifier())); |
| builder.addDecoration(id, TranslateAuxiliaryStorageDecoration(symbol->getType().getQualifier())); |
| #ifdef NV_EXTENSIONS |
| addMeshNVDecoration(id, /*member*/ -1, symbol->getType().getQualifier()); |
| #endif |
| if (symbol->getType().getQualifier().hasSpecConstantId()) |
| builder.addDecoration(id, spv::DecorationSpecId, symbol->getType().getQualifier().layoutSpecConstantId); |
| if (symbol->getQualifier().hasIndex()) |
| builder.addDecoration(id, spv::DecorationIndex, symbol->getQualifier().layoutIndex); |
| if (symbol->getQualifier().hasComponent()) |
| builder.addDecoration(id, spv::DecorationComponent, symbol->getQualifier().layoutComponent); |
| // atomic counters use this: |
| if (symbol->getQualifier().hasOffset()) |
| builder.addDecoration(id, spv::DecorationOffset, symbol->getQualifier().layoutOffset); |
| } |
| |
| if (symbol->getQualifier().hasLocation()) |
| builder.addDecoration(id, spv::DecorationLocation, symbol->getQualifier().layoutLocation); |
| builder.addDecoration(id, TranslateInvariantDecoration(symbol->getType().getQualifier())); |
| if (symbol->getQualifier().hasStream() && glslangIntermediate->isMultiStream()) { |
| builder.addCapability(spv::CapabilityGeometryStreams); |
| builder.addDecoration(id, spv::DecorationStream, symbol->getQualifier().layoutStream); |
| } |
| if (symbol->getQualifier().hasSet()) |
| builder.addDecoration(id, spv::DecorationDescriptorSet, symbol->getQualifier().layoutSet); |
| else if (IsDescriptorResource(symbol->getType())) { |
| // default to 0 |
| builder.addDecoration(id, spv::DecorationDescriptorSet, 0); |
| } |
| if (symbol->getQualifier().hasBinding()) |
| builder.addDecoration(id, spv::DecorationBinding, symbol->getQualifier().layoutBinding); |
| if (symbol->getQualifier().hasAttachment()) |
| builder.addDecoration(id, spv::DecorationInputAttachmentIndex, symbol->getQualifier().layoutAttachment); |
| if (glslangIntermediate->getXfbMode()) { |
| builder.addCapability(spv::CapabilityTransformFeedback); |
| if (symbol->getQualifier().hasXfbStride()) |
| builder.addDecoration(id, spv::DecorationXfbStride, symbol->getQualifier().layoutXfbStride); |
| if (symbol->getQualifier().hasXfbBuffer()) { |
| builder.addDecoration(id, spv::DecorationXfbBuffer, symbol->getQualifier().layoutXfbBuffer); |
| unsigned stride = glslangIntermediate->getXfbStride(symbol->getQualifier().layoutXfbBuffer); |
| if (stride != glslang::TQualifier::layoutXfbStrideEnd) |
| builder.addDecoration(id, spv::DecorationXfbStride, stride); |
| } |
| if (symbol->getQualifier().hasXfbOffset()) |
| builder.addDecoration(id, spv::DecorationOffset, symbol->getQualifier().layoutXfbOffset); |
| } |
| |
| if (symbol->getType().isImage()) { |
| std::vector<spv::Decoration> memory; |
| TranslateMemoryDecoration(symbol->getType().getQualifier(), memory, glslangIntermediate->usingVulkanMemoryModel()); |
| for (unsigned int i = 0; i < memory.size(); ++i) |
| builder.addDecoration(id, memory[i]); |
| } |
| |
| // built-in variable decorations |
| spv::BuiltIn builtIn = TranslateBuiltInDecoration(symbol->getQualifier().builtIn, false); |
| if (builtIn != spv::BuiltInMax) |
| builder.addDecoration(id, spv::DecorationBuiltIn, (int)builtIn); |
| |
| // nonuniform |
| builder.addDecoration(id, TranslateNonUniformDecoration(symbol->getType().getQualifier())); |
| |
| #ifdef NV_EXTENSIONS |
| if (builtIn == spv::BuiltInSampleMask) { |
| spv::Decoration decoration; |
| // GL_NV_sample_mask_override_coverage extension |
| if (glslangIntermediate->getLayoutOverrideCoverage()) |
| decoration = (spv::Decoration)spv::DecorationOverrideCoverageNV; |
| else |
| decoration = (spv::Decoration)spv::DecorationMax; |
| builder.addDecoration(id, decoration); |
| if (decoration != spv::DecorationMax) { |
| builder.addExtension(spv::E_SPV_NV_sample_mask_override_coverage); |
| } |
| } |
| else if (builtIn == spv::BuiltInLayer) { |
| // SPV_NV_viewport_array2 extension |
| if (symbol->getQualifier().layoutViewportRelative) { |
| builder.addDecoration(id, (spv::Decoration)spv::DecorationViewportRelativeNV); |
| builder.addCapability(spv::CapabilityShaderViewportMaskNV); |
| builder.addExtension(spv::E_SPV_NV_viewport_array2); |
| } |
| if (symbol->getQualifier().layoutSecondaryViewportRelativeOffset != -2048) { |
| builder.addDecoration(id, (spv::Decoration)spv::DecorationSecondaryViewportRelativeNV, |
| symbol->getQualifier().layoutSecondaryViewportRelativeOffset); |
| builder.addCapability(spv::CapabilityShaderStereoViewNV); |
| builder.addExtension(spv::E_SPV_NV_stereo_view_rendering); |
| } |
| } |
| |
| if (symbol->getQualifier().layoutPassthrough) { |
| builder.addDecoration(id, spv::DecorationPassthroughNV); |
| builder.addCapability(spv::CapabilityGeometryShaderPassthroughNV); |
| builder.addExtension(spv::E_SPV_NV_geometry_shader_passthrough); |
| } |
| if (symbol->getQualifier().pervertexNV) { |
| builder.addDecoration(id, spv::DecorationPerVertexNV); |
| builder.addCapability(spv::CapabilityFragmentBarycentricNV); |
| builder.addExtension(spv::E_SPV_NV_fragment_shader_barycentric); |
| } |
| #endif |
| |
| if (glslangIntermediate->getHlslFunctionality1() && symbol->getType().getQualifier().semanticName != nullptr) { |
| builder.addExtension("SPV_GOOGLE_hlsl_functionality1"); |
| builder.addDecoration(id, (spv::Decoration)spv::DecorationHlslSemanticGOOGLE, |
| symbol->getType().getQualifier().semanticName); |
| } |
| |
| return id; |
| } |
| |
| #ifdef NV_EXTENSIONS |
| // add per-primitive, per-view. per-task decorations to a struct member (member >= 0) or an object |
| void TGlslangToSpvTraverser::addMeshNVDecoration(spv::Id id, int member, const glslang::TQualifier& qualifier) |
| { |
| if (member >= 0) { |
| if (qualifier.perPrimitiveNV) { |
| // Need to add capability/extension for fragment shader. |
| // Mesh shader already adds this by default. |
| if (glslangIntermediate->getStage() == EShLangFragment) { |
| builder.addCapability(spv::CapabilityMeshShadingNV); |
| builder.addExtension(spv::E_SPV_NV_mesh_shader); |
| } |
| builder.addMemberDecoration(id, (unsigned)member, spv::DecorationPerPrimitiveNV); |
| } |
| if (qualifier.perViewNV) |
| builder.addMemberDecoration(id, (unsigned)member, spv::DecorationPerViewNV); |
| if (qualifier.perTaskNV) |
| builder.addMemberDecoration(id, (unsigned)member, spv::DecorationPerTaskNV); |
| } else { |
| if (qualifier.perPrimitiveNV) { |
| // Need to add capability/extension for fragment shader. |
| // Mesh shader already adds this by default. |
| if (glslangIntermediate->getStage() == EShLangFragment) { |
| builder.addCapability(spv::CapabilityMeshShadingNV); |
| builder.addExtension(spv::E_SPV_NV_mesh_shader); |
| } |
| builder.addDecoration(id, spv::DecorationPerPrimitiveNV); |
| } |
| if (qualifier.perViewNV) |
| builder.addDecoration(id, spv::DecorationPerViewNV); |
| if (qualifier.perTaskNV) |
| builder.addDecoration(id, spv::DecorationPerTaskNV); |
| } |
| } |
| #endif |
| |
| // Make a full tree of instructions to build a SPIR-V specialization constant, |
| // or regular constant if possible. |
| // |
| // TBD: this is not yet done, nor verified to be the best design, it does do the leaf symbols though |
| // |
| // Recursively walk the nodes. The nodes form a tree whose leaves are |
| // regular constants, which themselves are trees that createSpvConstant() |
| // recursively walks. So, this function walks the "top" of the tree: |
| // - emit specialization constant-building instructions for specConstant |
| // - when running into a non-spec-constant, switch to createSpvConstant() |
| spv::Id TGlslangToSpvTraverser::createSpvConstant(const glslang::TIntermTyped& node) |
| { |
| assert(node.getQualifier().isConstant()); |
| |
| // Handle front-end constants first (non-specialization constants). |
| if (! node.getQualifier().specConstant) { |
| // hand off to the non-spec-constant path |
| assert(node.getAsConstantUnion() != nullptr || node.getAsSymbolNode() != nullptr); |
| int nextConst = 0; |
| return createSpvConstantFromConstUnionArray(node.getType(), node.getAsConstantUnion() ? node.getAsConstantUnion()->getConstArray() : node.getAsSymbolNode()->getConstArray(), |
| nextConst, false); |
| } |
| |
| // We now know we have a specialization constant to build |
| |
| // gl_WorkGroupSize is a special case until the front-end handles hierarchical specialization constants, |
| // even then, it's specialization ids are handled by special case syntax in GLSL: layout(local_size_x = ... |
| if (node.getType().getQualifier().builtIn == glslang::EbvWorkGroupSize) { |
| std::vector<spv::Id> dimConstId; |
| for (int dim = 0; dim < 3; ++dim) { |
| bool specConst = (glslangIntermediate->getLocalSizeSpecId(dim) != glslang::TQualifier::layoutNotSet); |
| dimConstId.push_back(builder.makeUintConstant(glslangIntermediate->getLocalSize(dim), specConst)); |
| if (specConst) { |
| builder.addDecoration(dimConstId.back(), spv::DecorationSpecId, |
| glslangIntermediate->getLocalSizeSpecId(dim)); |
| } |
| } |
| return builder.makeCompositeConstant(builder.makeVectorType(builder.makeUintType(32), 3), dimConstId, true); |
| } |
| |
| // An AST node labelled as specialization constant should be a symbol node. |
| // Its initializer should either be a sub tree with constant nodes, or a constant union array. |
| if (auto* sn = node.getAsSymbolNode()) { |
| spv::Id result; |
| if (auto* sub_tree = sn->getConstSubtree()) { |
| // Traverse the constant constructor sub tree like generating normal run-time instructions. |
| // During the AST traversal, if the node is marked as 'specConstant', SpecConstantOpModeGuard |
| // will set the builder into spec constant op instruction generating mode. |
| sub_tree->traverse(this); |
| result = accessChainLoad(sub_tree->getType()); |
| } else if (auto* const_union_array = &sn->getConstArray()) { |
| int nextConst = 0; |
| result = createSpvConstantFromConstUnionArray(sn->getType(), *const_union_array, nextConst, true); |
| } else { |
| logger->missingFunctionality("Invalid initializer for spec onstant."); |
| return spv::NoResult; |
| } |
| builder.addName(result, sn->getName().c_str()); |
| return result; |
| } |
| |
| // Neither a front-end constant node, nor a specialization constant node with constant union array or |
| // constant sub tree as initializer. |
| logger->missingFunctionality("Neither a front-end constant nor a spec constant."); |
| return spv::NoResult; |
| } |
| |
| // Use 'consts' as the flattened glslang source of scalar constants to recursively |
| // build the aggregate SPIR-V constant. |
| // |
| // If there are not enough elements present in 'consts', 0 will be substituted; |
| // an empty 'consts' can be used to create a fully zeroed SPIR-V constant. |
| // |
| spv::Id TGlslangToSpvTraverser::createSpvConstantFromConstUnionArray(const glslang::TType& glslangType, const glslang::TConstUnionArray& consts, int& nextConst, bool specConstant) |
| { |
| // vector of constants for SPIR-V |
| std::vector<spv::Id> spvConsts; |
| |
| // Type is used for struct and array constants |
| spv::Id typeId = convertGlslangToSpvType(glslangType); |
| |
| if (glslangType.isArray()) { |
| glslang::TType elementType(glslangType, 0); |
| for (int i = 0; i < glslangType.getOuterArraySize(); ++i) |
| spvConsts.push_back(createSpvConstantFromConstUnionArray(elementType, consts, nextConst, false)); |
| } else if (glslangType.isMatrix()) { |
| glslang::TType vectorType(glslangType, 0); |
| for (int col = 0; col < glslangType.getMatrixCols(); ++col) |
| spvConsts.push_back(createSpvConstantFromConstUnionArray(vectorType, consts, nextConst, false)); |
| } else if (glslangType.getStruct()) { |
| glslang::TVector<glslang::TTypeLoc>::const_iterator iter; |
| for (iter = glslangType.getStruct()->begin(); iter != glslangType.getStruct()->end(); ++iter) |
| spvConsts.push_back(createSpvConstantFromConstUnionArray(*iter->type, consts, nextConst, false)); |
| } else if (glslangType.getVectorSize() > 1) { |
| for (unsigned int i = 0; i < (unsigned int)glslangType.getVectorSize(); ++i) { |
| bool zero = nextConst >= consts.size(); |
| switch (glslangType.getBasicType()) { |
| case glslang::EbtInt8: |
| spvConsts.push_back(builder.makeInt8Constant(zero ? 0 : consts[nextConst].getI8Const())); |
| break; |
| case glslang::EbtUint8: |
| spvConsts.push_back(builder.makeUint8Constant(zero ? 0 : consts[nextConst].getU8Const())); |
| break; |
| case glslang::EbtInt16: |
| spvConsts.push_back(builder.makeInt16Constant(zero ? 0 : consts[nextConst].getI16Const())); |
| break; |
| case glslang::EbtUint16: |
| spvConsts.push_back(builder.makeUint16Constant(zero ? 0 : consts[nextConst].getU16Const())); |
| break; |
| case glslang::EbtInt: |
| spvConsts.push_back(builder.makeIntConstant(zero ? 0 : consts[nextConst].getIConst())); |
| break; |
| case glslang::EbtUint: |
| spvConsts.push_back(builder.makeUintConstant(zero ? 0 : consts[nextConst].getUConst())); |
| break; |
| case glslang::EbtInt64: |
| spvConsts.push_back(builder.makeInt64Constant(zero ? 0 : consts[nextConst].getI64Const())); |
| break; |
| case glslang::EbtUint64: |
| spvConsts.push_back(builder.makeUint64Constant(zero ? 0 : consts[nextConst].getU64Const())); |
| break; |
| case glslang::EbtFloat: |
| spvConsts.push_back(builder.makeFloatConstant(zero ? 0.0F : (float)consts[nextConst].getDConst())); |
| break; |
| case glslang::EbtDouble: |
| spvConsts.push_back(builder.makeDoubleConstant(zero ? 0.0 : consts[nextConst].getDConst())); |
| break; |
| case glslang::EbtFloat16: |
| spvConsts.push_back(builder.makeFloat16Constant(zero ? 0.0F : (float)consts[nextConst].getDConst())); |
| break; |
| case glslang::EbtBool: |
| spvConsts.push_back(builder.makeBoolConstant(zero ? false : consts[nextConst].getBConst())); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| ++nextConst; |
| } |
| } else { |
| // we have a non-aggregate (scalar) constant |
| bool zero = nextConst >= consts.size(); |
| spv::Id scalar = 0; |
| switch (glslangType.getBasicType()) { |
| case glslang::EbtInt8: |
| scalar = builder.makeInt8Constant(zero ? 0 : consts[nextConst].getI8Const(), specConstant); |
| break; |
| case glslang::EbtUint8: |
| scalar = builder.makeUint8Constant(zero ? 0 : consts[nextConst].getU8Const(), specConstant); |
| break; |
| case glslang::EbtInt16: |
| scalar = builder.makeInt16Constant(zero ? 0 : consts[nextConst].getI16Const(), specConstant); |
| break; |
| case glslang::EbtUint16: |
| scalar = builder.makeUint16Constant(zero ? 0 : consts[nextConst].getU16Const(), specConstant); |
| break; |
| case glslang::EbtInt: |
| scalar = builder.makeIntConstant(zero ? 0 : consts[nextConst].getIConst(), specConstant); |
| break; |
| case glslang::EbtUint: |
| scalar = builder.makeUintConstant(zero ? 0 : consts[nextConst].getUConst(), specConstant); |
| break; |
| case glslang::EbtInt64: |
| scalar = builder.makeInt64Constant(zero ? 0 : consts[nextConst].getI64Const(), specConstant); |
| break; |
| case glslang::EbtUint64: |
| scalar = builder.makeUint64Constant(zero ? 0 : consts[nextConst].getU64Const(), specConstant); |
| break; |
| case glslang::EbtFloat: |
| scalar = builder.makeFloatConstant(zero ? 0.0F : (float)consts[nextConst].getDConst(), specConstant); |
| break; |
| case glslang::EbtDouble: |
| scalar = builder.makeDoubleConstant(zero ? 0.0 : consts[nextConst].getDConst(), specConstant); |
| break; |
| case glslang::EbtFloat16: |
| scalar = builder.makeFloat16Constant(zero ? 0.0F : (float)consts[nextConst].getDConst(), specConstant); |
| break; |
| case glslang::EbtBool: |
| scalar = builder.makeBoolConstant(zero ? false : consts[nextConst].getBConst(), specConstant); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| ++nextConst; |
| return scalar; |
| } |
| |
| return builder.makeCompositeConstant(typeId, spvConsts); |
| } |
| |
| // Return true if the node is a constant or symbol whose reading has no |
| // non-trivial observable cost or effect. |
| bool TGlslangToSpvTraverser::isTrivialLeaf(const glslang::TIntermTyped* node) |
| { |
| // don't know what this is |
| if (node == nullptr) |
| return false; |
| |
| // a constant is safe |
| if (node->getAsConstantUnion() != nullptr) |
| return true; |
| |
| // not a symbol means non-trivial |
| if (node->getAsSymbolNode() == nullptr) |
| return false; |
| |
| // a symbol, depends on what's being read |
| switch (node->getType().getQualifier().storage) { |
| case glslang::EvqTemporary: |
| case glslang::EvqGlobal: |
| case glslang::EvqIn: |
| case glslang::EvqInOut: |
| case glslang::EvqConst: |
| case glslang::EvqConstReadOnly: |
| case glslang::EvqUniform: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| // A node is trivial if it is a single operation with no side effects. |
| // HLSL (and/or vectors) are always trivial, as it does not short circuit. |
| // Otherwise, error on the side of saying non-trivial. |
| // Return true if trivial. |
| bool TGlslangToSpvTraverser::isTrivial(const glslang::TIntermTyped* node) |
| { |
| if (node == nullptr) |
| return false; |
| |
| // count non scalars as trivial, as well as anything coming from HLSL |
| if (! node->getType().isScalarOrVec1() || glslangIntermediate->getSource() == glslang::EShSourceHlsl) |
| return true; |
| |
| // symbols and constants are trivial |
| if (isTrivialLeaf(node)) |
| return true; |
| |
| // otherwise, it needs to be a simple operation or one or two leaf nodes |
| |
| // not a simple operation |
| const glslang::TIntermBinary* binaryNode = node->getAsBinaryNode(); |
| const glslang::TIntermUnary* unaryNode = node->getAsUnaryNode(); |
| if (binaryNode == nullptr && unaryNode == nullptr) |
| return false; |
| |
| // not on leaf nodes |
| if (binaryNode && (! isTrivialLeaf(binaryNode->getLeft()) || ! isTrivialLeaf(binaryNode->getRight()))) |
| return false; |
| |
| if (unaryNode && ! isTrivialLeaf(unaryNode->getOperand())) { |
| return false; |
| } |
| |
| switch (node->getAsOperator()->getOp()) { |
| case glslang::EOpLogicalNot: |
| case glslang::EOpConvIntToBool: |
| case glslang::EOpConvUintToBool: |
| case glslang::EOpConvFloatToBool: |
| case glslang::EOpConvDoubleToBool: |
| case glslang::EOpEqual: |
| case glslang::EOpNotEqual: |
| case glslang::EOpLessThan: |
| case glslang::EOpGreaterThan: |
| case glslang::EOpLessThanEqual: |
| case glslang::EOpGreaterThanEqual: |
| case glslang::EOpIndexDirect: |
| case glslang::EOpIndexDirectStruct: |
| case glslang::EOpLogicalXor: |
| case glslang::EOpAny: |
| case glslang::EOpAll: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| // Emit short-circuiting code, where 'right' is never evaluated unless |
| // the left side is true (for &&) or false (for ||). |
| spv::Id TGlslangToSpvTraverser::createShortCircuit(glslang::TOperator op, glslang::TIntermTyped& left, glslang::TIntermTyped& right) |
| { |
| spv::Id boolTypeId = builder.makeBoolType(); |
| |
| // emit left operand |
| builder.clearAccessChain(); |
| left.traverse(this); |
| spv::Id leftId = accessChainLoad(left.getType()); |
| |
| // Operands to accumulate OpPhi operands |
| std::vector<spv::Id> phiOperands; |
| // accumulate left operand's phi information |
| phiOperands.push_back(leftId); |
| phiOperands.push_back(builder.getBuildPoint()->getId()); |
| |
| // Make the two kinds of operation symmetric with a "!" |
| // || => emit "if (! left) result = right" |
| // && => emit "if ( left) result = right" |
| // |
| // TODO: this runtime "not" for || could be avoided by adding functionality |
| // to 'builder' to have an "else" without an "then" |
| if (op == glslang::EOpLogicalOr) |
| leftId = builder.createUnaryOp(spv::OpLogicalNot, boolTypeId, leftId); |
| |
| // make an "if" based on the left value |
| spv::Builder::If ifBuilder(leftId, spv::SelectionControlMaskNone, builder); |
| |
| // emit right operand as the "then" part of the "if" |
| builder.clearAccessChain(); |
| right.traverse(this); |
| spv::Id rightId = accessChainLoad(right.getType()); |
| |
| // accumulate left operand's phi information |
| phiOperands.push_back(rightId); |
| phiOperands.push_back(builder.getBuildPoint()->getId()); |
| |
| // finish the "if" |
| ifBuilder.makeEndIf(); |
| |
| // phi together the two results |
| return builder.createOp(spv::OpPhi, boolTypeId, phiOperands); |
| } |
| |
| #ifdef AMD_EXTENSIONS |
| // Return type Id of the imported set of extended instructions corresponds to the name. |
| // Import this set if it has not been imported yet. |
| spv::Id TGlslangToSpvTraverser::getExtBuiltins(const char* name) |
| { |
| if (extBuiltinMap.find(name) != extBuiltinMap.end()) |
| return extBuiltinMap[name]; |
| else { |
| builder.addExtension(name); |
| spv::Id extBuiltins = builder.import(name); |
| extBuiltinMap[name] = extBuiltins; |
| return extBuiltins; |
| } |
| } |
| #endif |
| |
| }; // end anonymous namespace |
| |
| namespace glslang { |
| |
| void GetSpirvVersion(std::string& version) |
| { |
| const int bufSize = 100; |
| char buf[bufSize]; |
| snprintf(buf, bufSize, "0x%08x, Revision %d", spv::Version, spv::Revision); |
| version = buf; |
| } |
| |
| // For low-order part of the generator's magic number. Bump up |
| // when there is a change in the style (e.g., if SSA form changes, |
| // or a different instruction sequence to do something gets used). |
| int GetSpirvGeneratorVersion() |
| { |
| // return 1; // start |
| // return 2; // EOpAtomicCounterDecrement gets a post decrement, to map between GLSL -> SPIR-V |
| // return 3; // change/correct barrier-instruction operands, to match memory model group decisions |
| // return 4; // some deeper access chains: for dynamic vector component, and local Boolean component |
| // return 5; // make OpArrayLength result type be an int with signedness of 0 |
| // return 6; // revert version 5 change, which makes a different (new) kind of incorrect code, |
| // versions 4 and 6 each generate OpArrayLength as it has long been done |
| return 7; // GLSL volatile keyword maps to both SPIR-V decorations Volatile and Coherent |
| } |
| |
| // Write SPIR-V out to a binary file |
| void OutputSpvBin(const std::vector<unsigned int>& spirv, const char* baseName) |
| { |
| std::ofstream out; |
| out.open(baseName, std::ios::binary | std::ios::out); |
| if (out.fail()) |
| printf("ERROR: Failed to open file: %s\n", baseName); |
| for (int i = 0; i < (int)spirv.size(); ++i) { |
| unsigned int word = spirv[i]; |
| out.write((const char*)&word, 4); |
| } |
| out.close(); |
| } |
| |
| // Write SPIR-V out to a text file with 32-bit hexadecimal words |
| void OutputSpvHex(const std::vector<unsigned int>& spirv, const char* baseName, const char* varName) |
| { |
| std::ofstream out; |
| out.open(baseName, std::ios::binary | std::ios::out); |
| if (out.fail()) |
| printf("ERROR: Failed to open file: %s\n", baseName); |
| out << "\t// " << |
| GetSpirvGeneratorVersion() << "." << GLSLANG_MINOR_VERSION << "." << GLSLANG_PATCH_LEVEL << |
| std::endl; |
| if (varName != nullptr) { |
| out << "\t #pragma once" << std::endl; |
| out << "const uint32_t " << varName << "[] = {" << std::endl; |
| } |
| const int WORDS_PER_LINE = 8; |
| for (int i = 0; i < (int)spirv.size(); i += WORDS_PER_LINE) { |
| out << "\t"; |
| for (int j = 0; j < WORDS_PER_LINE && i + j < (int)spirv.size(); ++j) { |
| const unsigned int word = spirv[i + j]; |
| out << "0x" << std::hex << std::setw(8) << std::setfill('0') << word; |
| if (i + j + 1 < (int)spirv.size()) { |
| out << ","; |
| } |
| } |
| out << std::endl; |
| } |
| if (varName != nullptr) { |
| out << "};"; |
| } |
| out.close(); |
| } |
| |
| // |
| // Set up the glslang traversal |
| // |
| void GlslangToSpv(const TIntermediate& intermediate, std::vector<unsigned int>& spirv, SpvOptions* options) |
| { |
| spv::SpvBuildLogger logger; |
| GlslangToSpv(intermediate, spirv, &logger, options); |
| } |
| |
| void GlslangToSpv(const TIntermediate& intermediate, std::vector<unsigned int>& spirv, |
| spv::SpvBuildLogger* logger, SpvOptions* options) |
| { |
| TIntermNode* root = intermediate.getTreeRoot(); |
| |
| if (root == 0) |
| return; |
| |
| SpvOptions defaultOptions; |
| if (options == nullptr) |
| options = &defaultOptions; |
| |
| GetThreadPoolAllocator().push(); |
| |
| TGlslangToSpvTraverser it(intermediate.getSpv().spv, &intermediate, logger, *options); |
| root->traverse(&it); |
| it.finishSpv(); |
| it.dumpSpv(spirv); |
| |
| #if ENABLE_OPT |
| // If from HLSL, run spirv-opt to "legalize" the SPIR-V for Vulkan |
| // eg. forward and remove memory writes of opaque types. |
| if ((intermediate.getSource() == EShSourceHlsl || options->optimizeSize) && !options->disableOptimizer) |
| SpirvToolsLegalize(intermediate, spirv, logger, options); |
| |
| if (options->validate) |
| SpirvToolsValidate(intermediate, spirv, logger); |
| |
| if (options->disassemble) |
| SpirvToolsDisassemble(std::cout, spirv); |
| |
| #endif |
| |
| GetThreadPoolAllocator().pop(); |
| } |
| |
| }; // end namespace glslang |
