8361 lines
350 KiB
C++
Executable file
8361 lines
350 KiB
C++
Executable file
//
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// Copyright (C) 2014-2016 LunarG, Inc.
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// Copyright (C) 2015-2018 Google, Inc.
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// Copyright (C) 2017 ARM Limited.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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//
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// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Visit the nodes in the glslang intermediate tree representation to
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// translate them to SPIR-V.
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//
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#include "spirv.hpp"
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#include "GlslangToSpv.h"
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#include "SpvBuilder.h"
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namespace spv {
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#include "GLSL.std.450.h"
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#include "GLSL.ext.KHR.h"
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#include "GLSL.ext.EXT.h"
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#include "GLSL.ext.AMD.h"
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#include "GLSL.ext.NV.h"
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}
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// Glslang includes
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#include "../glslang/MachineIndependent/localintermediate.h"
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#include "../glslang/MachineIndependent/SymbolTable.h"
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#include "../glslang/Include/Common.h"
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#include "../glslang/Include/revision.h"
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#include <fstream>
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#include <iomanip>
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#include <list>
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#include <map>
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#include <stack>
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#include <string>
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#include <vector>
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namespace {
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namespace {
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class SpecConstantOpModeGuard {
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public:
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SpecConstantOpModeGuard(spv::Builder* builder)
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: builder_(builder) {
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previous_flag_ = builder->isInSpecConstCodeGenMode();
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}
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~SpecConstantOpModeGuard() {
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previous_flag_ ? builder_->setToSpecConstCodeGenMode()
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: builder_->setToNormalCodeGenMode();
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}
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void turnOnSpecConstantOpMode() {
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builder_->setToSpecConstCodeGenMode();
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}
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private:
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spv::Builder* builder_;
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bool previous_flag_;
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};
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struct OpDecorations {
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public:
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OpDecorations(spv::Decoration precision, spv::Decoration noContraction, spv::Decoration nonUniform) :
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precision(precision)
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#ifndef GLSLANG_WEB
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,
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noContraction(noContraction),
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nonUniform(nonUniform)
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#endif
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{ }
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spv::Decoration precision;
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#ifdef GLSLANG_WEB
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void addNoContraction(spv::Builder&, spv::Id) const { }
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void addNonUniform(spv::Builder&, spv::Id) const { }
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#else
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void addNoContraction(spv::Builder& builder, spv::Id t) { builder.addDecoration(t, noContraction); }
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void addNonUniform(spv::Builder& builder, spv::Id t) { builder.addDecoration(t, nonUniform); }
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protected:
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spv::Decoration noContraction;
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spv::Decoration nonUniform;
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#endif
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};
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} // namespace
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//
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// The main holder of information for translating glslang to SPIR-V.
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//
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// Derives from the AST walking base class.
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//
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class TGlslangToSpvTraverser : public glslang::TIntermTraverser {
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public:
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TGlslangToSpvTraverser(unsigned int spvVersion, const glslang::TIntermediate*, spv::SpvBuildLogger* logger,
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glslang::SpvOptions& options);
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virtual ~TGlslangToSpvTraverser() { }
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bool visitAggregate(glslang::TVisit, glslang::TIntermAggregate*);
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bool visitBinary(glslang::TVisit, glslang::TIntermBinary*);
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void visitConstantUnion(glslang::TIntermConstantUnion*);
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bool visitSelection(glslang::TVisit, glslang::TIntermSelection*);
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bool visitSwitch(glslang::TVisit, glslang::TIntermSwitch*);
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void visitSymbol(glslang::TIntermSymbol* symbol);
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bool visitUnary(glslang::TVisit, glslang::TIntermUnary*);
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bool visitLoop(glslang::TVisit, glslang::TIntermLoop*);
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bool visitBranch(glslang::TVisit visit, glslang::TIntermBranch*);
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void finishSpv();
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void dumpSpv(std::vector<unsigned int>& out);
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protected:
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TGlslangToSpvTraverser(TGlslangToSpvTraverser&);
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TGlslangToSpvTraverser& operator=(TGlslangToSpvTraverser&);
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spv::Decoration TranslateInterpolationDecoration(const glslang::TQualifier& qualifier);
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spv::Decoration TranslateAuxiliaryStorageDecoration(const glslang::TQualifier& qualifier);
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spv::Decoration TranslateNonUniformDecoration(const glslang::TQualifier& qualifier);
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spv::Builder::AccessChain::CoherentFlags TranslateCoherent(const glslang::TType& type);
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spv::MemoryAccessMask TranslateMemoryAccess(const spv::Builder::AccessChain::CoherentFlags &coherentFlags);
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spv::ImageOperandsMask TranslateImageOperands(const spv::Builder::AccessChain::CoherentFlags &coherentFlags);
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spv::Scope TranslateMemoryScope(const spv::Builder::AccessChain::CoherentFlags &coherentFlags);
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spv::BuiltIn TranslateBuiltInDecoration(glslang::TBuiltInVariable, bool memberDeclaration);
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spv::ImageFormat TranslateImageFormat(const glslang::TType& type);
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spv::SelectionControlMask TranslateSelectionControl(const glslang::TIntermSelection&) const;
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spv::SelectionControlMask TranslateSwitchControl(const glslang::TIntermSwitch&) const;
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spv::LoopControlMask TranslateLoopControl(const glslang::TIntermLoop&, std::vector<unsigned int>& operands) const;
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spv::StorageClass TranslateStorageClass(const glslang::TType&);
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void addIndirectionIndexCapabilities(const glslang::TType& baseType, const glslang::TType& indexType);
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spv::Id createSpvVariable(const glslang::TIntermSymbol*, spv::Id forcedType);
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spv::Id getSampledType(const glslang::TSampler&);
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spv::Id getInvertedSwizzleType(const glslang::TIntermTyped&);
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spv::Id createInvertedSwizzle(spv::Decoration precision, const glslang::TIntermTyped&, spv::Id parentResult);
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void convertSwizzle(const glslang::TIntermAggregate&, std::vector<unsigned>& swizzle);
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spv::Id convertGlslangToSpvType(const glslang::TType& type, bool forwardReferenceOnly = false);
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spv::Id convertGlslangToSpvType(const glslang::TType& type, glslang::TLayoutPacking, const glslang::TQualifier&,
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bool lastBufferBlockMember, bool forwardReferenceOnly = false);
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bool filterMember(const glslang::TType& member);
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spv::Id convertGlslangStructToSpvType(const glslang::TType&, const glslang::TTypeList* glslangStruct,
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glslang::TLayoutPacking, const glslang::TQualifier&);
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void decorateStructType(const glslang::TType&, const glslang::TTypeList* glslangStruct, glslang::TLayoutPacking,
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const glslang::TQualifier&, spv::Id);
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spv::Id makeArraySizeId(const glslang::TArraySizes&, int dim);
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spv::Id accessChainLoad(const glslang::TType& type);
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void accessChainStore(const glslang::TType& type, spv::Id rvalue);
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void multiTypeStore(const glslang::TType&, spv::Id rValue);
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glslang::TLayoutPacking getExplicitLayout(const glslang::TType& type) const;
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int getArrayStride(const glslang::TType& arrayType, glslang::TLayoutPacking, glslang::TLayoutMatrix);
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int getMatrixStride(const glslang::TType& matrixType, glslang::TLayoutPacking, glslang::TLayoutMatrix);
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void updateMemberOffset(const glslang::TType& structType, const glslang::TType& memberType, int& currentOffset,
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int& nextOffset, glslang::TLayoutPacking, glslang::TLayoutMatrix);
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void declareUseOfStructMember(const glslang::TTypeList& members, int glslangMember);
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bool isShaderEntryPoint(const glslang::TIntermAggregate* node);
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bool writableParam(glslang::TStorageQualifier) const;
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bool originalParam(glslang::TStorageQualifier, const glslang::TType&, bool implicitThisParam);
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void makeFunctions(const glslang::TIntermSequence&);
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void makeGlobalInitializers(const glslang::TIntermSequence&);
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void visitFunctions(const glslang::TIntermSequence&);
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void handleFunctionEntry(const glslang::TIntermAggregate* node);
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void translateArguments(const glslang::TIntermAggregate& node, std::vector<spv::Id>& arguments, spv::Builder::AccessChain::CoherentFlags &lvalueCoherentFlags);
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void translateArguments(glslang::TIntermUnary& node, std::vector<spv::Id>& arguments);
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spv::Id createImageTextureFunctionCall(glslang::TIntermOperator* node);
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spv::Id handleUserFunctionCall(const glslang::TIntermAggregate*);
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spv::Id createBinaryOperation(glslang::TOperator op, OpDecorations&, spv::Id typeId, spv::Id left, spv::Id right,
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glslang::TBasicType typeProxy, bool reduceComparison = true);
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spv::Id createBinaryMatrixOperation(spv::Op, OpDecorations&, spv::Id typeId, spv::Id left, spv::Id right);
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spv::Id createUnaryOperation(glslang::TOperator op, OpDecorations&, spv::Id typeId, spv::Id operand,
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glslang::TBasicType typeProxy, const spv::Builder::AccessChain::CoherentFlags &lvalueCoherentFlags);
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spv::Id createUnaryMatrixOperation(spv::Op op, OpDecorations&, spv::Id typeId, spv::Id operand,
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glslang::TBasicType typeProxy);
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spv::Id createConversion(glslang::TOperator op, OpDecorations&, spv::Id destTypeId, spv::Id operand,
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glslang::TBasicType typeProxy);
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spv::Id createIntWidthConversion(glslang::TOperator op, spv::Id operand, int vectorSize);
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spv::Id makeSmearedConstant(spv::Id constant, int vectorSize);
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spv::Id createAtomicOperation(glslang::TOperator op, spv::Decoration precision, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy, const spv::Builder::AccessChain::CoherentFlags &lvalueCoherentFlags);
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spv::Id createInvocationsOperation(glslang::TOperator op, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy);
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spv::Id CreateInvocationsVectorOperation(spv::Op op, spv::GroupOperation groupOperation, spv::Id typeId, std::vector<spv::Id>& operands);
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spv::Id createSubgroupOperation(glslang::TOperator op, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy);
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spv::Id createMiscOperation(glslang::TOperator op, spv::Decoration precision, spv::Id typeId, std::vector<spv::Id>& operands, glslang::TBasicType typeProxy);
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spv::Id createNoArgOperation(glslang::TOperator op, spv::Decoration precision, spv::Id typeId);
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spv::Id getSymbolId(const glslang::TIntermSymbol* node);
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void addMeshNVDecoration(spv::Id id, int member, const glslang::TQualifier & qualifier);
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spv::Id createSpvConstant(const glslang::TIntermTyped&);
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spv::Id createSpvConstantFromConstUnionArray(const glslang::TType& type, const glslang::TConstUnionArray&, int& nextConst, bool specConstant);
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bool isTrivialLeaf(const glslang::TIntermTyped* node);
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bool isTrivial(const glslang::TIntermTyped* node);
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spv::Id createShortCircuit(glslang::TOperator, glslang::TIntermTyped& left, glslang::TIntermTyped& right);
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spv::Id getExtBuiltins(const char* name);
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std::pair<spv::Id, spv::Id> getForcedType(spv::BuiltIn, const glslang::TType&);
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spv::Id translateForcedType(spv::Id object);
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spv::Id createCompositeConstruct(spv::Id typeId, std::vector<spv::Id> constituents);
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glslang::SpvOptions& options;
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spv::Function* shaderEntry;
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spv::Function* currentFunction;
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spv::Instruction* entryPoint;
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int sequenceDepth;
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spv::SpvBuildLogger* logger;
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// There is a 1:1 mapping between a spv builder and a module; this is thread safe
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spv::Builder builder;
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bool inEntryPoint;
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bool entryPointTerminated;
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bool linkageOnly; // true when visiting the set of objects in the AST present only for establishing interface, whether or not they were statically used
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std::set<spv::Id> iOSet; // all input/output variables from either static use or declaration of interface
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const glslang::TIntermediate* glslangIntermediate;
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bool nanMinMaxClamp; // true if use NMin/NMax/NClamp instead of FMin/FMax/FClamp
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spv::Id stdBuiltins;
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std::unordered_map<const char*, spv::Id> extBuiltinMap;
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std::unordered_map<int, spv::Id> symbolValues;
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std::unordered_set<int> rValueParameters; // set of formal function parameters passed as rValues, rather than a pointer
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std::unordered_map<std::string, spv::Function*> functionMap;
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std::unordered_map<const glslang::TTypeList*, spv::Id> structMap[glslang::ElpCount][glslang::ElmCount];
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// for mapping glslang block indices to spv indices (e.g., due to hidden members):
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std::unordered_map<int, std::vector<int>> memberRemapper;
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// for mapping glslang symbol struct to symbol Id
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std::unordered_map<const glslang::TTypeList*, int> glslangTypeToIdMap;
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std::stack<bool> breakForLoop; // false means break for switch
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std::unordered_map<std::string, const glslang::TIntermSymbol*> counterOriginator;
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// Map pointee types for EbtReference to their forward pointers
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std::map<const glslang::TType *, spv::Id> forwardPointers;
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// Type forcing, for when SPIR-V wants a different type than the AST,
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// requiring local translation to and from SPIR-V type on every access.
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// Maps <builtin-variable-id -> AST-required-type-id>
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std::unordered_map<spv::Id, spv::Id> forceType;
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};
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//
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// Helper functions for translating glslang representations to SPIR-V enumerants.
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//
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// Translate glslang profile to SPIR-V source language.
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spv::SourceLanguage TranslateSourceLanguage(glslang::EShSource source, EProfile profile)
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{
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#ifdef GLSLANG_WEB
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return spv::SourceLanguageESSL;
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#endif
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switch (source) {
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case glslang::EShSourceGlsl:
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switch (profile) {
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case ENoProfile:
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case ECoreProfile:
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case ECompatibilityProfile:
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return spv::SourceLanguageGLSL;
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case EEsProfile:
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return spv::SourceLanguageESSL;
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default:
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return spv::SourceLanguageUnknown;
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}
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case glslang::EShSourceHlsl:
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return spv::SourceLanguageHLSL;
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default:
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return spv::SourceLanguageUnknown;
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}
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}
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// Translate glslang language (stage) to SPIR-V execution model.
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spv::ExecutionModel TranslateExecutionModel(EShLanguage stage)
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{
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switch (stage) {
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case EShLangVertex: return spv::ExecutionModelVertex;
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case EShLangFragment: return spv::ExecutionModelFragment;
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case EShLangCompute: return spv::ExecutionModelGLCompute;
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#ifndef GLSLANG_WEB
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case EShLangTessControl: return spv::ExecutionModelTessellationControl;
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case EShLangTessEvaluation: return spv::ExecutionModelTessellationEvaluation;
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case EShLangGeometry: return spv::ExecutionModelGeometry;
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case EShLangRayGenNV: return spv::ExecutionModelRayGenerationNV;
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case EShLangIntersectNV: return spv::ExecutionModelIntersectionNV;
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case EShLangAnyHitNV: return spv::ExecutionModelAnyHitNV;
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case EShLangClosestHitNV: return spv::ExecutionModelClosestHitNV;
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case EShLangMissNV: return spv::ExecutionModelMissNV;
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case EShLangCallableNV: return spv::ExecutionModelCallableNV;
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case EShLangTaskNV: return spv::ExecutionModelTaskNV;
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case EShLangMeshNV: return spv::ExecutionModelMeshNV;
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#endif
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default:
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assert(0);
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return spv::ExecutionModelFragment;
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}
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}
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// Translate glslang sampler type to SPIR-V dimensionality.
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spv::Dim TranslateDimensionality(const glslang::TSampler& sampler)
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{
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switch (sampler.dim) {
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case glslang::Esd1D: return spv::Dim1D;
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case glslang::Esd2D: return spv::Dim2D;
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case glslang::Esd3D: return spv::Dim3D;
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case glslang::EsdCube: return spv::DimCube;
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case glslang::EsdRect: return spv::DimRect;
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case glslang::EsdBuffer: return spv::DimBuffer;
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case glslang::EsdSubpass: return spv::DimSubpassData;
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default:
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assert(0);
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return spv::Dim2D;
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}
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}
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// Translate glslang precision to SPIR-V precision decorations.
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spv::Decoration TranslatePrecisionDecoration(glslang::TPrecisionQualifier glslangPrecision)
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{
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switch (glslangPrecision) {
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case glslang::EpqLow: return spv::DecorationRelaxedPrecision;
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case glslang::EpqMedium: return spv::DecorationRelaxedPrecision;
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default:
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return spv::NoPrecision;
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}
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}
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// Translate glslang type to SPIR-V precision decorations.
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spv::Decoration TranslatePrecisionDecoration(const glslang::TType& type)
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{
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return TranslatePrecisionDecoration(type.getQualifier().precision);
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}
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// Translate glslang type to SPIR-V block decorations.
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spv::Decoration TranslateBlockDecoration(const glslang::TType& type, bool useStorageBuffer)
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{
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if (type.getBasicType() == glslang::EbtBlock) {
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switch (type.getQualifier().storage) {
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case glslang::EvqUniform: return spv::DecorationBlock;
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case glslang::EvqBuffer: return useStorageBuffer ? spv::DecorationBlock : spv::DecorationBufferBlock;
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case glslang::EvqVaryingIn: return spv::DecorationBlock;
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case glslang::EvqVaryingOut: return spv::DecorationBlock;
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#ifndef GLSLANG_WEB
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case glslang::EvqPayloadNV: return spv::DecorationBlock;
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case glslang::EvqPayloadInNV: return spv::DecorationBlock;
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case glslang::EvqHitAttrNV: return spv::DecorationBlock;
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case glslang::EvqCallableDataNV: return spv::DecorationBlock;
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case glslang::EvqCallableDataInNV: return spv::DecorationBlock;
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#endif
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default:
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assert(0);
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break;
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}
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}
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return spv::DecorationMax;
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}
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// Translate glslang type to SPIR-V memory decorations.
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void TranslateMemoryDecoration(const glslang::TQualifier& qualifier, std::vector<spv::Decoration>& memory, bool useVulkanMemoryModel)
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{
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if (!useVulkanMemoryModel) {
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if (qualifier.isCoherent())
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memory.push_back(spv::DecorationCoherent);
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if (qualifier.isVolatile()) {
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memory.push_back(spv::DecorationVolatile);
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memory.push_back(spv::DecorationCoherent);
|
|
}
|
|
}
|
|
if (qualifier.isRestrict())
|
|
memory.push_back(spv::DecorationRestrict);
|
|
if (qualifier.isReadOnly())
|
|
memory.push_back(spv::DecorationNonWritable);
|
|
if (qualifier.isWriteOnly())
|
|
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;
|
|
#ifndef GLSLANG_WEB
|
|
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.isNonPerspective())
|
|
return spv::DecorationNoPerspective;
|
|
else if (qualifier.flat)
|
|
return spv::DecorationFlat;
|
|
else if (qualifier.isExplicitInterpolation()) {
|
|
builder.addExtension(spv::E_SPV_AMD_shader_explicit_vertex_parameter);
|
|
return spv::DecorationExplicitInterpAMD;
|
|
}
|
|
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.centroid)
|
|
return spv::DecorationCentroid;
|
|
#ifndef GLSLANG_WEB
|
|
else if (qualifier.patch)
|
|
return spv::DecorationPatch;
|
|
else if (qualifier.sample) {
|
|
builder.addCapability(spv::CapabilitySampleRateShading);
|
|
return spv::DecorationSample;
|
|
}
|
|
#endif
|
|
|
|
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)
|
|
{
|
|
#ifndef GLSLANG_WEB
|
|
if (qualifier.isNoContraction())
|
|
return spv::DecorationNoContraction;
|
|
else
|
|
#endif
|
|
return spv::DecorationMax;
|
|
}
|
|
|
|
// If glslang type is nonUniform, return SPIR-V NonUniform decoration.
|
|
spv::Decoration TGlslangToSpvTraverser::TranslateNonUniformDecoration(const glslang::TQualifier& qualifier)
|
|
{
|
|
#ifndef GLSLANG_WEB
|
|
if (qualifier.isNonUniform()) {
|
|
builder.addIncorporatedExtension("SPV_EXT_descriptor_indexing", spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityShaderNonUniformEXT);
|
|
return spv::DecorationNonUniformEXT;
|
|
} else
|
|
#endif
|
|
return spv::DecorationMax;
|
|
}
|
|
|
|
spv::MemoryAccessMask TGlslangToSpvTraverser::TranslateMemoryAccess(
|
|
const spv::Builder::AccessChain::CoherentFlags &coherentFlags)
|
|
{
|
|
spv::MemoryAccessMask mask = spv::MemoryAccessMaskNone;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
if (!glslangIntermediate->usingVulkanMemoryModel() || coherentFlags.isImage)
|
|
return mask;
|
|
|
|
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);
|
|
}
|
|
#endif
|
|
|
|
return mask;
|
|
}
|
|
|
|
spv::ImageOperandsMask TGlslangToSpvTraverser::TranslateImageOperands(
|
|
const spv::Builder::AccessChain::CoherentFlags &coherentFlags)
|
|
{
|
|
spv::ImageOperandsMask mask = spv::ImageOperandsMaskNone;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
if (!glslangIntermediate->usingVulkanMemoryModel())
|
|
return mask;
|
|
|
|
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);
|
|
}
|
|
#endif
|
|
|
|
return mask;
|
|
}
|
|
|
|
spv::Builder::AccessChain::CoherentFlags TGlslangToSpvTraverser::TranslateCoherent(const glslang::TType& type)
|
|
{
|
|
spv::Builder::AccessChain::CoherentFlags flags = {};
|
|
#ifndef GLSLANG_WEB
|
|
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;
|
|
flags.volatil = type.getQualifier().volatil;
|
|
// *coherent variables are implicitly nonprivate in GLSL
|
|
flags.nonprivate = type.getQualifier().nonprivate ||
|
|
flags.subgroupcoherent ||
|
|
flags.workgroupcoherent ||
|
|
flags.queuefamilycoherent ||
|
|
flags.devicecoherent ||
|
|
flags.coherent ||
|
|
flags.volatil;
|
|
flags.isImage = type.getBasicType() == glslang::EbtSampler;
|
|
#endif
|
|
return flags;
|
|
}
|
|
|
|
spv::Scope TGlslangToSpvTraverser::TranslateMemoryScope(
|
|
const spv::Builder::AccessChain::CoherentFlags &coherentFlags)
|
|
{
|
|
spv::Scope scope = spv::ScopeMax;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
if (coherentFlags.volatil || 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;
|
|
}
|
|
if (glslangIntermediate->usingVulkanMemoryModel() && scope == spv::ScopeDevice) {
|
|
builder.addCapability(spv::CapabilityVulkanMemoryModelDeviceScopeKHR);
|
|
}
|
|
#endif
|
|
|
|
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:
|
|
#ifndef GLSLANG_WEB
|
|
// 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;
|
|
}
|
|
}
|
|
#endif
|
|
return spv::BuiltInPointSize;
|
|
|
|
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::EbvFragCoord: return spv::BuiltInFragCoord;
|
|
case glslang::EbvPointCoord: return spv::BuiltInPointCoord;
|
|
case glslang::EbvFace: return spv::BuiltInFrontFacing;
|
|
case glslang::EbvFragDepth: return spv::BuiltInFragDepth;
|
|
|
|
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;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
// 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.addIncorporatedExtension(spv::E_SPV_EXT_shader_viewport_index_layer, spv::Spv_1_5);
|
|
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:
|
|
if (glslangIntermediate->getStage() == EShLangMeshNV) {
|
|
return spv::BuiltInLayer;
|
|
}
|
|
builder.addCapability(spv::CapabilityGeometry);
|
|
if (glslangIntermediate->getStage() == EShLangVertex ||
|
|
glslangIntermediate->getStage() == EShLangTessControl ||
|
|
glslangIntermediate->getStage() == EShLangTessEvaluation) {
|
|
|
|
builder.addIncorporatedExtension(spv::E_SPV_EXT_shader_viewport_index_layer, spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityShaderViewportIndexLayerEXT);
|
|
}
|
|
return spv::BuiltInLayer;
|
|
|
|
case glslang::EbvBaseVertex:
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_shader_draw_parameters, spv::Spv_1_3);
|
|
builder.addCapability(spv::CapabilityDrawParameters);
|
|
return spv::BuiltInBaseVertex;
|
|
|
|
case glslang::EbvBaseInstance:
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_shader_draw_parameters, spv::Spv_1_3);
|
|
builder.addCapability(spv::CapabilityDrawParameters);
|
|
return spv::BuiltInBaseInstance;
|
|
|
|
case glslang::EbvDrawId:
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_shader_draw_parameters, spv::Spv_1_3);
|
|
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::EbvHelperInvocation: return spv::BuiltInHelperInvocation;
|
|
|
|
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::BuiltInSubgroupEqMask;
|
|
|
|
case glslang::EbvSubGroupGeMask:
|
|
builder.addExtension(spv::E_SPV_KHR_shader_ballot);
|
|
builder.addCapability(spv::CapabilitySubgroupBallotKHR);
|
|
return spv::BuiltInSubgroupGeMask;
|
|
|
|
case glslang::EbvSubGroupGtMask:
|
|
builder.addExtension(spv::E_SPV_KHR_shader_ballot);
|
|
builder.addCapability(spv::CapabilitySubgroupBallotKHR);
|
|
return spv::BuiltInSubgroupGtMask;
|
|
|
|
case glslang::EbvSubGroupLeMask:
|
|
builder.addExtension(spv::E_SPV_KHR_shader_ballot);
|
|
builder.addCapability(spv::CapabilitySubgroupBallotKHR);
|
|
return spv::BuiltInSubgroupLeMask;
|
|
|
|
case glslang::EbvSubGroupLtMask:
|
|
builder.addExtension(spv::E_SPV_KHR_shader_ballot);
|
|
builder.addCapability(spv::CapabilitySubgroupBallotKHR);
|
|
return spv::BuiltInSubgroupLtMask;
|
|
|
|
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;
|
|
|
|
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;
|
|
|
|
case glslang::EbvDeviceIndex:
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_device_group, spv::Spv_1_3);
|
|
builder.addCapability(spv::CapabilityDeviceGroup);
|
|
return spv::BuiltInDeviceIndex;
|
|
|
|
case glslang::EbvViewIndex:
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_multiview, spv::Spv_1_3);
|
|
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;
|
|
|
|
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;
|
|
|
|
// ray tracing
|
|
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;
|
|
|
|
// barycentrics
|
|
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;
|
|
|
|
// mesh shaders
|
|
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;
|
|
|
|
// sm builtins
|
|
case glslang::EbvWarpsPerSM:
|
|
builder.addExtension(spv::E_SPV_NV_shader_sm_builtins);
|
|
builder.addCapability(spv::CapabilityShaderSMBuiltinsNV);
|
|
return spv::BuiltInWarpsPerSMNV;
|
|
case glslang::EbvSMCount:
|
|
builder.addExtension(spv::E_SPV_NV_shader_sm_builtins);
|
|
builder.addCapability(spv::CapabilityShaderSMBuiltinsNV);
|
|
return spv::BuiltInSMCountNV;
|
|
case glslang::EbvWarpID:
|
|
builder.addExtension(spv::E_SPV_NV_shader_sm_builtins);
|
|
builder.addCapability(spv::CapabilityShaderSMBuiltinsNV);
|
|
return spv::BuiltInWarpIDNV;
|
|
case glslang::EbvSMID:
|
|
builder.addExtension(spv::E_SPV_NV_shader_sm_builtins);
|
|
builder.addCapability(spv::CapabilityShaderSMBuiltinsNV);
|
|
return spv::BuiltInSMIDNV;
|
|
#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);
|
|
|
|
#ifdef GLSLANG_WEB
|
|
return spv::ImageFormatUnknown;
|
|
#endif
|
|
|
|
// Check for capabilities
|
|
switch (type.getQualifier().getFormat()) {
|
|
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().getFormat()) {
|
|
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,
|
|
std::vector<unsigned int>& operands) 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;
|
|
operands.push_back((unsigned int)loopNode.getLoopDependency());
|
|
}
|
|
if (glslangIntermediate->getSpv().spv >= glslang::EShTargetSpv_1_4) {
|
|
if (loopNode.getMinIterations() > 0) {
|
|
control = control | spv::LoopControlMinIterationsMask;
|
|
operands.push_back(loopNode.getMinIterations());
|
|
}
|
|
if (loopNode.getMaxIterations() < glslang::TIntermLoop::iterationsInfinite) {
|
|
control = control | spv::LoopControlMaxIterationsMask;
|
|
operands.push_back(loopNode.getMaxIterations());
|
|
}
|
|
if (loopNode.getIterationMultiple() > 1) {
|
|
control = control | spv::LoopControlIterationMultipleMask;
|
|
operands.push_back(loopNode.getIterationMultiple());
|
|
}
|
|
if (loopNode.getPeelCount() > 0) {
|
|
control = control | spv::LoopControlPeelCountMask;
|
|
operands.push_back(loopNode.getPeelCount());
|
|
}
|
|
if (loopNode.getPartialCount() > 0) {
|
|
control = control | spv::LoopControlPartialCountMask;
|
|
operands.push_back(loopNode.getPartialCount());
|
|
}
|
|
}
|
|
|
|
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.isAtomic())
|
|
return spv::StorageClassAtomicCounter;
|
|
if (type.containsOpaque())
|
|
return spv::StorageClassUniformConstant;
|
|
}
|
|
|
|
if (type.getQualifier().isUniformOrBuffer() &&
|
|
type.getQualifier().isShaderRecordNV()) {
|
|
return spv::StorageClassShaderRecordBufferNV;
|
|
}
|
|
|
|
if (glslangIntermediate->usingStorageBuffer() && type.getQualifier().storage == glslang::EvqBuffer) {
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_storage_buffer_storage_class, spv::Spv_1_3);
|
|
return spv::StorageClassStorageBuffer;
|
|
}
|
|
|
|
if (type.getQualifier().isUniformOrBuffer()) {
|
|
if (type.getQualifier().isPushConstant())
|
|
return spv::StorageClassPushConstant;
|
|
if (type.getBasicType() == glslang::EbtBlock)
|
|
return spv::StorageClassUniform;
|
|
return spv::StorageClassUniformConstant;
|
|
}
|
|
|
|
switch (type.getQualifier().storage) {
|
|
case glslang::EvqGlobal: return spv::StorageClassPrivate;
|
|
case glslang::EvqConstReadOnly: return spv::StorageClassFunction;
|
|
case glslang::EvqTemporary: return spv::StorageClassFunction;
|
|
case glslang::EvqShared: return spv::StorageClassWorkgroup;
|
|
#ifndef GLSLANG_WEB
|
|
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)
|
|
{
|
|
#ifndef GLSLANG_WEB
|
|
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().isBuffer())
|
|
builder.addCapability(spv::CapabilityStorageTexelBufferArrayNonUniformIndexingEXT);
|
|
else if (baseType.isTexture() && baseType.getSampler().isBuffer())
|
|
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.addIncorporatedExtension("SPV_EXT_descriptor_indexing", spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityInputAttachmentArrayDynamicIndexingEXT);
|
|
} else if (baseType.isImage() && baseType.getSampler().isBuffer()) {
|
|
builder.addIncorporatedExtension("SPV_EXT_descriptor_indexing", spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityStorageTexelBufferArrayDynamicIndexingEXT);
|
|
} else if (baseType.isTexture() && baseType.getSampler().isBuffer()) {
|
|
builder.addIncorporatedExtension("SPV_EXT_descriptor_indexing", spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityUniformTexelBufferArrayDynamicIndexingEXT);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
// 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() &&
|
|
! type.getQualifier().isShaderRecordNV() &&
|
|
! type.getQualifier().isPushConstant();
|
|
|
|
// 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.flat)
|
|
child.flat = true;
|
|
if (parent.centroid)
|
|
child.centroid = true;
|
|
#ifndef GLSLANG_WEB
|
|
if (parent.nopersp)
|
|
child.nopersp = true;
|
|
if (parent.explicitInterp)
|
|
child.explicitInterp = true;
|
|
if (parent.perPrimitiveNV)
|
|
child.perPrimitiveNV = true;
|
|
if (parent.perViewNV)
|
|
child.perViewNV = true;
|
|
if (parent.perTaskNV)
|
|
child.perTaskNV = 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;
|
|
#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),
|
|
nanMinMaxClamp(glslangIntermediate->getNanMinMaxClamp())
|
|
{
|
|
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);
|
|
// Pass name and text for all included files
|
|
const std::map<std::string, std::string>& include_txt = glslangIntermediate->getIncludeText();
|
|
for (auto iItr = include_txt.begin(); iItr != include_txt.end(); ++iItr)
|
|
builder.addInclude(iItr->first, iItr->second);
|
|
}
|
|
stdBuiltins = builder.import("GLSL.std.450");
|
|
|
|
spv::AddressingModel addressingModel = spv::AddressingModelLogical;
|
|
spv::MemoryModel memoryModel = spv::MemoryModelGLSL450;
|
|
|
|
if (glslangIntermediate->usingPhysicalStorageBuffer()) {
|
|
addressingModel = spv::AddressingModelPhysicalStorageBuffer64EXT;
|
|
builder.addIncorporatedExtension(spv::E_SPV_EXT_physical_storage_buffer, spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityPhysicalStorageBufferAddressesEXT);
|
|
};
|
|
if (glslangIntermediate->usingVulkanMemoryModel()) {
|
|
memoryModel = spv::MemoryModelVulkanKHR;
|
|
builder.addCapability(spv::CapabilityVulkanMemoryModelKHR);
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_vulkan_memory_model, spv::Spv_1_5);
|
|
}
|
|
builder.setMemoryModel(addressingModel, memoryModel);
|
|
|
|
if (glslangIntermediate->usingVariablePointers()) {
|
|
builder.addCapability(spv::CapabilityVariablePointers);
|
|
}
|
|
|
|
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 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);
|
|
}
|
|
|
|
if (glslangIntermediate->getDepth() != glslang::EldUnchanged && glslangIntermediate->isDepthReplacing())
|
|
builder.addExecutionMode(shaderEntry, spv::ExecutionModeDepthReplacing);
|
|
|
|
#ifndef GLSLANG_WEB
|
|
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);
|
|
switch (glslangIntermediate->getInterlockOrdering()) {
|
|
case glslang::EioPixelInterlockOrdered: mode = spv::ExecutionModePixelInterlockOrderedEXT;
|
|
break;
|
|
case glslang::EioPixelInterlockUnordered: mode = spv::ExecutionModePixelInterlockUnorderedEXT;
|
|
break;
|
|
case glslang::EioSampleInterlockOrdered: mode = spv::ExecutionModeSampleInterlockOrderedEXT;
|
|
break;
|
|
case glslang::EioSampleInterlockUnordered: mode = spv::ExecutionModeSampleInterlockUnorderedEXT;
|
|
break;
|
|
case glslang::EioShadingRateInterlockOrdered: mode = spv::ExecutionModeShadingRateInterlockOrderedEXT;
|
|
break;
|
|
case glslang::EioShadingRateInterlockUnordered: mode = spv::ExecutionModeShadingRateInterlockUnorderedEXT;
|
|
break;
|
|
default: mode = spv::ExecutionModeMax;
|
|
break;
|
|
}
|
|
if (mode != spv::ExecutionModeMax) {
|
|
builder.addExecutionMode(shaderEntry, (spv::ExecutionMode)mode);
|
|
if (mode == spv::ExecutionModeShadingRateInterlockOrderedEXT ||
|
|
mode == spv::ExecutionModeShadingRateInterlockUnorderedEXT) {
|
|
builder.addCapability(spv::CapabilityFragmentShaderShadingRateInterlockEXT);
|
|
} else if (mode == spv::ExecutionModePixelInterlockOrderedEXT ||
|
|
mode == spv::ExecutionModePixelInterlockUnorderedEXT) {
|
|
builder.addCapability(spv::CapabilityFragmentShaderPixelInterlockEXT);
|
|
} else {
|
|
builder.addCapability(spv::CapabilityFragmentShaderSampleInterlockEXT);
|
|
}
|
|
builder.addExtension(spv::E_SPV_EXT_fragment_shader_interlock);
|
|
}
|
|
#endif
|
|
break;
|
|
|
|
case EShLangCompute:
|
|
builder.addCapability(spv::CapabilityShader);
|
|
builder.addExecutionMode(shaderEntry, spv::ExecutionModeLocalSize, glslangIntermediate->getLocalSize(0),
|
|
glslangIntermediate->getLocalSize(1),
|
|
glslangIntermediate->getLocalSize(2));
|
|
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);
|
|
}
|
|
break;
|
|
#ifndef GLSLANG_WEB
|
|
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 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.
|
|
// Note: WebGPU code generation must have the opportunity to aggressively
|
|
// prune unreachable merge blocks and continue targets.
|
|
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().isStruct())
|
|
glslangTypeToIdMap[symbol->getType().getStruct()] = symbol->getId();
|
|
|
|
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);
|
|
|
|
if (builder.isPointer(id)) {
|
|
// Include all "static use" and "linkage only" interface variables on the OpEntryPoint instruction
|
|
// Consider adding to the OpEntryPoint interface list.
|
|
// Only looking at structures if they have at least one member.
|
|
if (!symbol->getType().isStruct() || symbol->getType().getStruct()->size() > 0) {
|
|
spv::StorageClass sc = builder.getStorageClass(id);
|
|
// Before SPIR-V 1.4, we only want to include Input and Output.
|
|
// Starting with SPIR-V 1.4, we want all globals.
|
|
if ((glslangIntermediate->getSpv().spv >= glslang::EShTargetSpv_1_4 && sc != spv::StorageClassFunction) ||
|
|
(sc == spv::StorageClassInput || sc == spv::StorageClassOutput)) {
|
|
iOSet.insert(id);
|
|
}
|
|
}
|
|
|
|
// If the SPIR-V type is required to be different than the AST type,
|
|
// translate now from the SPIR-V type to the AST type, for the consuming
|
|
// operation.
|
|
// Note this turns it from an l-value to an r-value.
|
|
// Currently, all symbols needing this are inputs; avoid the map lookup when non-input.
|
|
if (symbol->getType().getQualifier().storage == glslang::EvqVaryingIn)
|
|
id = translateForcedType(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.
|
|
// C) R-Values from type translation, see above call to translateForcedType()
|
|
glslang::TQualifier qualifier = symbol->getQualifier();
|
|
if (qualifier.isSpecConstant() || rValueParameters.find(symbol->getId()) != rValueParameters.end() ||
|
|
!builder.isPointerType(builder.getTypeId(id)))
|
|
builder.setAccessChainRValue(id);
|
|
else
|
|
builder.setAccessChainLValue(id);
|
|
}
|
|
|
|
#ifdef ENABLE_HLSL
|
|
// 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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
bool TGlslangToSpvTraverser::visitBinary(glslang::TVisit /* visit */, glslang::TIntermBinary* node)
|
|
{
|
|
builder.setLine(node->getLoc().line, node->getLoc().getFilename());
|
|
if (node->getLeft()->getAsSymbolNode() != nullptr && node->getLeft()->getType().isStruct()) {
|
|
glslangTypeToIdMap[node->getLeft()->getType().getStruct()] = node->getLeft()->getAsSymbolNode()->getId();
|
|
}
|
|
if (node->getRight()->getAsSymbolNode() != nullptr && node->getRight()->getType().isStruct()) {
|
|
glslangTypeToIdMap[node->getRight()->getType().getStruct()] = node->getRight()->getAsSymbolNode()->getId();
|
|
}
|
|
|
|
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:
|
|
{
|
|
// Structure, array, matrix, or vector indirection with statically known index.
|
|
// 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);
|
|
int dummySize;
|
|
builder.accessChainPushSwizzle(swizzle, convertGlslangToSpvType(node->getLeft()->getType()),
|
|
TranslateCoherent(node->getLeft()->getType()),
|
|
glslangIntermediate->getBaseAlignmentScalar(node->getLeft()->getType(), dummySize));
|
|
} else {
|
|
|
|
// Load through a block reference is performed with a dot operator that
|
|
// is mapped to EOpIndexDirectStruct. When we get to the actual reference,
|
|
// do a load and reset the access chain.
|
|
if (node->getLeft()->isReference() &&
|
|
!node->getLeft()->getType().isArray() &&
|
|
node->getOp() == glslang::EOpIndexDirectStruct)
|
|
{
|
|
spv::Id left = accessChainLoad(node->getLeft()->getType());
|
|
builder.clearAccessChain();
|
|
builder.setAccessChainLValue(left);
|
|
}
|
|
|
|
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.
|
|
int glslangId = glslangTypeToIdMap[node->getLeft()->getType().getStruct()];
|
|
if (memberRemapper.find(glslangId) != memberRemapper.end()) {
|
|
std::vector<int>& remapper = memberRemapper[glslangId];
|
|
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()), node->getLeft()->getType().getBufferReferenceAlignment());
|
|
|
|
// 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:
|
|
{
|
|
// Array, matrix, or vector indirection with variable index.
|
|
// Will use native SPIR-V access-chain for 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()) {
|
|
int dummySize;
|
|
builder.accessChainPushComponent(index, convertGlslangToSpvType(node->getLeft()->getType()),
|
|
TranslateCoherent(node->getLeft()->getType()),
|
|
glslangIntermediate->getBaseAlignmentScalar(node->getLeft()->getType(), dummySize));
|
|
} else
|
|
builder.accessChainPush(index, TranslateCoherent(node->getLeft()->getType()), node->getLeft()->getType().getBufferReferenceAlignment());
|
|
}
|
|
return false;
|
|
case glslang::EOpVectorSwizzle:
|
|
{
|
|
node->getLeft()->traverse(this);
|
|
std::vector<unsigned> swizzle;
|
|
convertSwizzle(*node->getRight()->getAsAggregate(), swizzle);
|
|
int dummySize;
|
|
builder.accessChainPushSwizzle(swizzle, convertGlslangToSpvType(node->getLeft()->getType()),
|
|
TranslateCoherent(node->getLeft()->getType()),
|
|
glslangIntermediate->getBaseAlignmentScalar(node->getLeft()->getType(), dummySize));
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
|
|
// Figure out what, if any, type changes are needed when accessing a specific built-in.
|
|
// Returns <the type SPIR-V requires for declarion, the type to translate to on use>.
|
|
// Also see comment for 'forceType', regarding tracking SPIR-V-required types.
|
|
std::pair<spv::Id, spv::Id> TGlslangToSpvTraverser::getForcedType(spv::BuiltIn builtIn,
|
|
const glslang::TType& glslangType)
|
|
{
|
|
switch(builtIn)
|
|
{
|
|
case spv::BuiltInSubgroupEqMask:
|
|
case spv::BuiltInSubgroupGeMask:
|
|
case spv::BuiltInSubgroupGtMask:
|
|
case spv::BuiltInSubgroupLeMask:
|
|
case spv::BuiltInSubgroupLtMask: {
|
|
// these require changing a 64-bit scaler -> a vector of 32-bit components
|
|
if (glslangType.isVector())
|
|
break;
|
|
std::pair<spv::Id, spv::Id> ret(builder.makeVectorType(builder.makeUintType(32), 4),
|
|
builder.makeUintType(64));
|
|
return ret;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
std::pair<spv::Id, spv::Id> ret(spv::NoType, spv::NoType);
|
|
return ret;
|
|
}
|
|
|
|
// For an object previously identified (see getForcedType() and forceType)
|
|
// as needing type translations, do the translation needed for a load, turning
|
|
// an L-value into in R-value.
|
|
spv::Id TGlslangToSpvTraverser::translateForcedType(spv::Id object)
|
|
{
|
|
const auto forceIt = forceType.find(object);
|
|
if (forceIt == forceType.end())
|
|
return object;
|
|
|
|
spv::Id desiredTypeId = forceIt->second;
|
|
spv::Id objectTypeId = builder.getTypeId(object);
|
|
assert(builder.isPointerType(objectTypeId));
|
|
objectTypeId = builder.getContainedTypeId(objectTypeId);
|
|
if (builder.isVectorType(objectTypeId) &&
|
|
builder.getScalarTypeWidth(builder.getContainedTypeId(objectTypeId)) == 32) {
|
|
if (builder.getScalarTypeWidth(desiredTypeId) == 64) {
|
|
// handle 32-bit v.xy* -> 64-bit
|
|
builder.clearAccessChain();
|
|
builder.setAccessChainLValue(object);
|
|
object = builder.accessChainLoad(spv::NoPrecision, spv::DecorationMax, objectTypeId);
|
|
std::vector<spv::Id> components;
|
|
components.push_back(builder.createCompositeExtract(object, builder.getContainedTypeId(objectTypeId), 0));
|
|
components.push_back(builder.createCompositeExtract(object, builder.getContainedTypeId(objectTypeId), 1));
|
|
|
|
spv::Id vecType = builder.makeVectorType(builder.getContainedTypeId(objectTypeId), 2);
|
|
return builder.createUnaryOp(spv::OpBitcast, desiredTypeId,
|
|
builder.createCompositeConstruct(vecType, components));
|
|
} else {
|
|
logger->missingFunctionality("forcing 32-bit vector type to non 64-bit scalar");
|
|
}
|
|
} else {
|
|
logger->missingFunctionality("forcing non 32-bit vector type");
|
|
}
|
|
|
|
return object;
|
|
}
|
|
|
|
bool TGlslangToSpvTraverser::visitUnary(glslang::TVisit /* visit */, glslang::TIntermUnary* node)
|
|
{
|
|
builder.setLine(node->getLoc().line, node->getLoc().getFilename());
|
|
|
|
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.
|
|
|
|
spv::Id length;
|
|
if (node->getOperand()->getType().isCoopMat()) {
|
|
spec_constant_op_mode_setter.turnOnSpecConstantOpMode();
|
|
|
|
spv::Id typeId = convertGlslangToSpvType(node->getOperand()->getType());
|
|
assert(builder.isCooperativeMatrixType(typeId));
|
|
|
|
length = builder.createCooperativeMatrixLength(typeId);
|
|
} else {
|
|
glslang::TIntermTyped* block = node->getOperand()->getAsBinaryNode()->getLeft();
|
|
block->traverse(this);
|
|
unsigned int member = node->getOperand()->getAsBinaryNode()->getRight()->getAsConstantUnion()->getConstArray()[0].getUConst();
|
|
length = builder.createArrayLength(builder.accessChainGetLValue(), member);
|
|
}
|
|
|
|
// GLSL semantics say the result of .length() is an int, while SPIR-V says
|
|
// signedness must be 0. So, convert from SPIR-V unsigned back to GLSL's
|
|
// AST expectation of a signed result.
|
|
if (glslangIntermediate->getSource() == glslang::EShSourceGlsl) {
|
|
if (builder.isInSpecConstCodeGenMode()) {
|
|
length = builder.createBinOp(spv::OpIAdd, builder.makeIntType(32), length, builder.makeIntConstant(0));
|
|
} else {
|
|
length = builder.createUnaryOp(spv::OpBitcast, builder.makeIntType(32), length);
|
|
}
|
|
}
|
|
|
|
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();
|
|
TIntermNode *operandNode;
|
|
if (invertedType != spv::NoType)
|
|
operandNode = node->getOperand()->getAsBinaryNode()->getLeft();
|
|
else
|
|
operandNode = node->getOperand();
|
|
|
|
operandNode->traverse(this);
|
|
|
|
spv::Id operand = spv::NoResult;
|
|
|
|
spv::Builder::AccessChain::CoherentFlags lvalueCoherentFlags;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
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
|
|
lvalueCoherentFlags = builder.getAccessChain().coherentFlags;
|
|
lvalueCoherentFlags |= TranslateCoherent(operandNode->getAsTyped()->getType());
|
|
} else
|
|
#endif
|
|
{
|
|
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(), lvalueCoherentFlags);
|
|
|
|
if (result) {
|
|
if (invertedType) {
|
|
result = createInvertedSwizzle(decorations.precision, *node->getOperand(), result);
|
|
decorations.addNonUniform(builder, result);
|
|
}
|
|
|
|
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);
|
|
#ifndef GLSLANG_WEB
|
|
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);
|
|
#endif
|
|
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;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
case glslang::EOpEmitStreamVertex:
|
|
builder.createNoResultOp(spv::OpEmitStreamVertex, operand);
|
|
return false;
|
|
case glslang::EOpEndStreamPrimitive:
|
|
builder.createNoResultOp(spv::OpEndStreamPrimitive, operand);
|
|
return false;
|
|
#endif
|
|
|
|
default:
|
|
logger->missingFunctionality("unknown glslang unary");
|
|
return true; // pick up operand as placeholder result
|
|
}
|
|
}
|
|
|
|
// Construct a composite object, recursively copying members if their types don't match
|
|
spv::Id TGlslangToSpvTraverser::createCompositeConstruct(spv::Id resultTypeId, std::vector<spv::Id> constituents)
|
|
{
|
|
for (int c = 0; c < (int)constituents.size(); ++c) {
|
|
spv::Id& constituent = constituents[c];
|
|
spv::Id lType = builder.getContainedTypeId(resultTypeId, c);
|
|
spv::Id rType = builder.getTypeId(constituent);
|
|
if (lType != rType) {
|
|
if (glslangIntermediate->getSpv().spv >= glslang::EShTargetSpv_1_4) {
|
|
constituent = builder.createUnaryOp(spv::OpCopyLogical, lType, constituent);
|
|
} else if (builder.isStructType(rType)) {
|
|
std::vector<spv::Id> rTypeConstituents;
|
|
int numrTypeConstituents = builder.getNumTypeConstituents(rType);
|
|
for (int i = 0; i < numrTypeConstituents; ++i) {
|
|
rTypeConstituents.push_back(builder.createCompositeExtract(constituent, builder.getContainedTypeId(rType, i), i));
|
|
}
|
|
constituents[c] = createCompositeConstruct(lType, rTypeConstituents);
|
|
} else {
|
|
assert(builder.isArrayType(rType));
|
|
std::vector<spv::Id> rTypeConstituents;
|
|
int numrTypeConstituents = builder.getNumTypeConstituents(rType);
|
|
|
|
spv::Id elementRType = builder.getContainedTypeId(rType);
|
|
for (int i = 0; i < numrTypeConstituents; ++i) {
|
|
rTypeConstituents.push_back(builder.createCompositeExtract(constituent, elementRType, i));
|
|
}
|
|
constituents[c] = createCompositeConstruct(lType, rTypeConstituents);
|
|
}
|
|
}
|
|
}
|
|
return builder.createCompositeConstruct(resultTypeId, constituents);
|
|
}
|
|
|
|
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;
|
|
}
|
|
#ifndef GLSLANG_WEB
|
|
else if (node->getOp() == glslang::EOpImageStore ||
|
|
node->getOp() == glslang::EOpImageStoreLod ||
|
|
node->getOp() == glslang::EOpImageAtomicStore) {
|
|
// "imageStore" is a special case, which has no result
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
glslang::TOperator binOp = glslang::EOpNull;
|
|
bool reduceComparison = true;
|
|
bool isMatrix = false;
|
|
bool noReturnValue = false;
|
|
bool atomic = false;
|
|
|
|
spv::Builder::AccessChain::CoherentFlags lvalueCoherentFlags;
|
|
|
|
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, node->getLoc().getFilename());
|
|
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:
|
|
case glslang::EOpConstructReference:
|
|
case glslang::EOpConstructCooperativeMatrix:
|
|
{
|
|
builder.setLine(node->getLoc().line, node->getLoc().getFilename());
|
|
std::vector<spv::Id> arguments;
|
|
translateArguments(*node, arguments, lvalueCoherentFlags);
|
|
spv::Id constructed;
|
|
if (node->getOp() == glslang::EOpConstructTextureSampler)
|
|
constructed = builder.createOp(spv::OpSampledImage, resultType(), arguments);
|
|
else if (node->getOp() == glslang::EOpConstructStruct ||
|
|
node->getOp() == glslang::EOpConstructCooperativeMatrix ||
|
|
node->getType().isArray()) {
|
|
std::vector<spv::Id> constituents;
|
|
for (int c = 0; c < (int)arguments.size(); ++c)
|
|
constituents.push_back(arguments[c]);
|
|
constructed = 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::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;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
case glslang::EOpAtomicStore:
|
|
noReturnValue = true;
|
|
// fallthrough
|
|
case glslang::EOpAtomicLoad:
|
|
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;
|
|
|
|
case glslang::EOpAbsDifference:
|
|
case glslang::EOpAddSaturate:
|
|
case glslang::EOpSubSaturate:
|
|
case glslang::EOpAverage:
|
|
case glslang::EOpAverageRounded:
|
|
case glslang::EOpMul32x16:
|
|
builder.addCapability(spv::CapabilityIntegerFunctions2INTEL);
|
|
builder.addExtension("SPV_INTEL_shader_integer_functions2");
|
|
binOp = node->getOp();
|
|
break;
|
|
|
|
case glslang::EOpIgnoreIntersectionNV:
|
|
case glslang::EOpTerminateRayNV:
|
|
case glslang::EOpTraceNV:
|
|
case glslang::EOpExecuteCallableNV:
|
|
case glslang::EOpWritePackedPrimitiveIndices4x8NV:
|
|
noReturnValue = true;
|
|
break;
|
|
case glslang::EOpCooperativeMatrixLoad:
|
|
case glslang::EOpCooperativeMatrixStore:
|
|
noReturnValue = true;
|
|
break;
|
|
case glslang::EOpBeginInvocationInterlock:
|
|
case glslang::EOpEndInvocationInterlock:
|
|
builder.addExtension(spv::E_SPV_EXT_fragment_shader_interlock);
|
|
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, node->getLoc().getFilename());
|
|
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;
|
|
std::vector<spv::IdImmediate> memoryAccessOperands;
|
|
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::EOpModf:
|
|
if (arg == 1)
|
|
lvalue = true;
|
|
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:
|
|
if (arg == 0)
|
|
lvalue = true;
|
|
break;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
case glslang::EOpFrexp:
|
|
if (arg == 1)
|
|
lvalue = true;
|
|
break;
|
|
case glslang::EOpInterpolateAtSample:
|
|
case glslang::EOpInterpolateAtOffset:
|
|
case glslang::EOpInterpolateAtVertex:
|
|
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::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;
|
|
case glslang::EOpCooperativeMatrixLoad:
|
|
if (arg == 0 || arg == 1)
|
|
lvalue = true;
|
|
break;
|
|
case glslang::EOpCooperativeMatrixStore:
|
|
if (arg == 1)
|
|
lvalue = true;
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
builder.clearAccessChain();
|
|
if (invertedType != spv::NoType && arg == 0)
|
|
glslangOperands[0]->getAsBinaryNode()->getLeft()->traverse(this);
|
|
else
|
|
glslangOperands[arg]->traverse(this);
|
|
|
|
#ifndef GLSLANG_WEB
|
|
if (node->getOp() == glslang::EOpCooperativeMatrixLoad ||
|
|
node->getOp() == glslang::EOpCooperativeMatrixStore) {
|
|
|
|
if (arg == 1) {
|
|
// fold "element" parameter into the access chain
|
|
spv::Builder::AccessChain save = builder.getAccessChain();
|
|
builder.clearAccessChain();
|
|
glslangOperands[2]->traverse(this);
|
|
|
|
spv::Id elementId = accessChainLoad(glslangOperands[2]->getAsTyped()->getType());
|
|
|
|
builder.setAccessChain(save);
|
|
|
|
// Point to the first element of the array.
|
|
builder.accessChainPush(elementId, TranslateCoherent(glslangOperands[arg]->getAsTyped()->getType()),
|
|
glslangOperands[arg]->getAsTyped()->getType().getBufferReferenceAlignment());
|
|
|
|
spv::Builder::AccessChain::CoherentFlags coherentFlags = builder.getAccessChain().coherentFlags;
|
|
unsigned int alignment = builder.getAccessChain().alignment;
|
|
|
|
int memoryAccess = TranslateMemoryAccess(coherentFlags);
|
|
if (node->getOp() == glslang::EOpCooperativeMatrixLoad)
|
|
memoryAccess &= ~spv::MemoryAccessMakePointerAvailableKHRMask;
|
|
if (node->getOp() == glslang::EOpCooperativeMatrixStore)
|
|
memoryAccess &= ~spv::MemoryAccessMakePointerVisibleKHRMask;
|
|
if (builder.getStorageClass(builder.getAccessChain().base) == spv::StorageClassPhysicalStorageBufferEXT) {
|
|
memoryAccess = (spv::MemoryAccessMask)(memoryAccess | spv::MemoryAccessAlignedMask);
|
|
}
|
|
|
|
memoryAccessOperands.push_back(spv::IdImmediate(false, memoryAccess));
|
|
|
|
if (memoryAccess & spv::MemoryAccessAlignedMask) {
|
|
memoryAccessOperands.push_back(spv::IdImmediate(false, alignment));
|
|
}
|
|
|
|
if (memoryAccess & (spv::MemoryAccessMakePointerAvailableKHRMask | spv::MemoryAccessMakePointerVisibleKHRMask)) {
|
|
memoryAccessOperands.push_back(spv::IdImmediate(true, builder.makeUintConstant(TranslateMemoryScope(coherentFlags))));
|
|
}
|
|
} else if (arg == 2) {
|
|
continue;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (lvalue) {
|
|
operands.push_back(builder.accessChainGetLValue());
|
|
lvalueCoherentFlags = builder.getAccessChain().coherentFlags;
|
|
lvalueCoherentFlags |= TranslateCoherent(glslangOperands[arg]->getAsTyped()->getType());
|
|
} else {
|
|
builder.setLine(node->getLoc().line, node->getLoc().getFilename());
|
|
operands.push_back(accessChainLoad(glslangOperands[arg]->getAsTyped()->getType()));
|
|
}
|
|
}
|
|
|
|
builder.setLine(node->getLoc().line, node->getLoc().getFilename());
|
|
#ifndef GLSLANG_WEB
|
|
if (node->getOp() == glslang::EOpCooperativeMatrixLoad) {
|
|
std::vector<spv::IdImmediate> idImmOps;
|
|
|
|
idImmOps.push_back(spv::IdImmediate(true, operands[1])); // buf
|
|
idImmOps.push_back(spv::IdImmediate(true, operands[2])); // stride
|
|
idImmOps.push_back(spv::IdImmediate(true, operands[3])); // colMajor
|
|
idImmOps.insert(idImmOps.end(), memoryAccessOperands.begin(), memoryAccessOperands.end());
|
|
// get the pointee type
|
|
spv::Id typeId = builder.getContainedTypeId(builder.getTypeId(operands[0]));
|
|
assert(builder.isCooperativeMatrixType(typeId));
|
|
// do the op
|
|
spv::Id result = builder.createOp(spv::OpCooperativeMatrixLoadNV, typeId, idImmOps);
|
|
// store the result to the pointer (out param 'm')
|
|
builder.createStore(result, operands[0]);
|
|
result = 0;
|
|
} else if (node->getOp() == glslang::EOpCooperativeMatrixStore) {
|
|
std::vector<spv::IdImmediate> idImmOps;
|
|
|
|
idImmOps.push_back(spv::IdImmediate(true, operands[1])); // buf
|
|
idImmOps.push_back(spv::IdImmediate(true, operands[0])); // object
|
|
idImmOps.push_back(spv::IdImmediate(true, operands[2])); // stride
|
|
idImmOps.push_back(spv::IdImmediate(true, operands[3])); // colMajor
|
|
idImmOps.insert(idImmOps.end(), memoryAccessOperands.begin(), memoryAccessOperands.end());
|
|
|
|
builder.createNoResultOp(spv::OpCooperativeMatrixStoreNV, idImmOps);
|
|
result = 0;
|
|
} else
|
|
#endif
|
|
if (atomic) {
|
|
// Handle all atomics
|
|
result = createAtomicOperation(node->getOp(), precision, resultType(), operands, node->getBasicType(), lvalueCoherentFlags);
|
|
} 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(), lvalueCoherentFlags);
|
|
}
|
|
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 OpSelect can handle it
|
|
const auto isOpSelectable = [&]() {
|
|
if (node->getBasicType() == glslang::EbtVoid)
|
|
return false;
|
|
// OpSelect can do all other types starting with SPV 1.4
|
|
if (glslangIntermediate->getSpv().spv < glslang::EShTargetSpv_1_4) {
|
|
// pre-1.4, only scalars and vectors can be handled
|
|
if ((!node->getType().isScalar() && !node->getType().isVector()))
|
|
return false;
|
|
}
|
|
return true;
|
|
};
|
|
|
|
// 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...
|
|
|
|
if (!isOpSelectable())
|
|
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, node->getLoc().getFilename());
|
|
|
|
// done if void
|
|
if (node->getBasicType() == glslang::EbtVoid)
|
|
return;
|
|
|
|
// emit code to select between trueValue and falseValue
|
|
|
|
// see if OpSelect can handle it
|
|
if (isOpSelectable()) {
|
|
// Emit OpSelect for this selection.
|
|
|
|
// smear condition to vector, if necessary (AST is always scalar)
|
|
// Before 1.4, smear like for mix(), starting with 1.4, keep it scalar
|
|
if (glslangIntermediate->getSpv().spv < glslang::EShTargetSpv_1_4 && 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:
|
|
std::vector<unsigned int> operands;
|
|
const spv::LoopControlMask control = TranslateLoopControl(*node, operands);
|
|
|
|
// 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, node->getLoc().getFilename());
|
|
builder.setBuildPoint(&blocks.head);
|
|
builder.createLoopMerge(&blocks.merge, &blocks.continue_target, control, operands);
|
|
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, node->getLoc().getFilename());
|
|
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, node->getLoc().getFilename());
|
|
|
|
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;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
case glslang::EOpDemote:
|
|
builder.createNoResultOp(spv::OpDemoteToHelperInvocationEXT);
|
|
builder.addExtension(spv::E_SPV_EXT_demote_to_helper_invocation);
|
|
builder.addCapability(spv::CapabilityDemoteToHelperInvocationEXT);
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
spv::Id TGlslangToSpvTraverser::createSpvVariable(const glslang::TIntermSymbol* node, spv::Id forcedType)
|
|
{
|
|
// 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 = forcedType == spv::NoType ? convertGlslangToSpvType(node->getType())
|
|
: forcedType;
|
|
|
|
const bool contains16BitType = node->getType().contains16BitFloat() ||
|
|
node->getType().contains16BitInt();
|
|
if (contains16BitType) {
|
|
switch (storageClass) {
|
|
case spv::StorageClassInput:
|
|
case spv::StorageClassOutput:
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_16bit_storage, spv::Spv_1_3);
|
|
builder.addCapability(spv::CapabilityStorageInputOutput16);
|
|
break;
|
|
case spv::StorageClassUniform:
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_16bit_storage, spv::Spv_1_3);
|
|
if (node->getType().getQualifier().storage == glslang::EvqBuffer)
|
|
builder.addCapability(spv::CapabilityStorageUniformBufferBlock16);
|
|
else
|
|
builder.addCapability(spv::CapabilityStorageUniform16);
|
|
break;
|
|
#ifndef GLSLANG_WEB
|
|
case spv::StorageClassPushConstant:
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_16bit_storage, spv::Spv_1_3);
|
|
builder.addCapability(spv::CapabilityStoragePushConstant16);
|
|
break;
|
|
case spv::StorageClassStorageBuffer:
|
|
case spv::StorageClassPhysicalStorageBufferEXT:
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_16bit_storage, spv::Spv_1_3);
|
|
builder.addCapability(spv::CapabilityStorageUniformBufferBlock16);
|
|
break;
|
|
#endif
|
|
default:
|
|
if (node->getType().contains16BitFloat())
|
|
builder.addCapability(spv::CapabilityFloat16);
|
|
if (node->getType().contains16BitInt())
|
|
builder.addCapability(spv::CapabilityInt16);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (node->getType().contains8BitInt()) {
|
|
if (storageClass == spv::StorageClassPushConstant) {
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_8bit_storage, spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityStoragePushConstant8);
|
|
} else if (storageClass == spv::StorageClassUniform) {
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_8bit_storage, spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityUniformAndStorageBuffer8BitAccess);
|
|
} else if (storageClass == spv::StorageClassStorageBuffer) {
|
|
builder.addIncorporatedExtension(spv::E_SPV_KHR_8bit_storage, spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityStorageBuffer8BitAccess);
|
|
} else {
|
|
builder.addCapability(spv::CapabilityInt8);
|
|
}
|
|
}
|
|
|
|
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::EbtInt: return builder.makeIntType(32);
|
|
case glslang::EbtUint: return builder.makeUintType(32);
|
|
case glslang::EbtFloat: return builder.makeFloatType(32);
|
|
#ifndef GLSLANG_WEB
|
|
case glslang::EbtFloat16:
|
|
builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float_fetch);
|
|
builder.addCapability(spv::CapabilityFloat16ImageAMD);
|
|
return builder.makeFloatType(16);
|
|
#endif
|
|
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, bool forwardReferenceOnly)
|
|
{
|
|
return convertGlslangToSpvType(type, getExplicitLayout(type), type.getQualifier(), false, forwardReferenceOnly);
|
|
}
|
|
|
|
// 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, bool forwardReferenceOnly)
|
|
{
|
|
spv::Id spvType = spv::NoResult;
|
|
|
|
switch (type.getBasicType()) {
|
|
case glslang::EbtVoid:
|
|
spvType = builder.makeVoidType();
|
|
assert (! type.isArray());
|
|
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::EbtInt:
|
|
spvType = builder.makeIntType(32);
|
|
break;
|
|
case glslang::EbtUint:
|
|
spvType = builder.makeUintType(32);
|
|
break;
|
|
case glslang::EbtFloat:
|
|
spvType = builder.makeFloatType(32);
|
|
break;
|
|
#ifndef GLSLANG_WEB
|
|
case glslang::EbtDouble:
|
|
spvType = builder.makeFloatType(64);
|
|
break;
|
|
case glslang::EbtFloat16:
|
|
spvType = builder.makeFloatType(16);
|
|
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::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;
|
|
case glslang::EbtAccStructNV:
|
|
spvType = builder.makeAccelerationStructureNVType();
|
|
break;
|
|
case glslang::EbtReference:
|
|
{
|
|
// Make the forward pointer, then recurse to convert the structure type, then
|
|
// patch up the forward pointer with a real pointer type.
|
|
if (forwardPointers.find(type.getReferentType()) == forwardPointers.end()) {
|
|
spv::Id forwardId = builder.makeForwardPointer(spv::StorageClassPhysicalStorageBufferEXT);
|
|
forwardPointers[type.getReferentType()] = forwardId;
|
|
}
|
|
spvType = forwardPointers[type.getReferentType()];
|
|
if (!forwardReferenceOnly) {
|
|
spv::Id referentType = convertGlslangToSpvType(*type.getReferentType());
|
|
builder.makePointerFromForwardPointer(spv::StorageClassPhysicalStorageBufferEXT,
|
|
forwardPointers[type.getReferentType()],
|
|
referentType);
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
case glslang::EbtSampler:
|
|
{
|
|
const glslang::TSampler& sampler = type.getSampler();
|
|
if (sampler.isPureSampler()) {
|
|
spvType = builder.makeSamplerType();
|
|
} else {
|
|
// an image is present, make its type
|
|
spvType = builder.makeImageType(getSampledType(sampler), TranslateDimensionality(sampler),
|
|
sampler.isShadow(), sampler.isArrayed(), sampler.isMultiSample(),
|
|
sampler.isImageClass() ? 2 : 1, TranslateImageFormat(type));
|
|
if (sampler.isCombined()) {
|
|
// 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[glslangTypeToIdMap[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.isCoopMat()) {
|
|
builder.addCapability(spv::CapabilityCooperativeMatrixNV);
|
|
builder.addExtension(spv::E_SPV_NV_cooperative_matrix);
|
|
if (type.getBasicType() == glslang::EbtFloat16)
|
|
builder.addCapability(spv::CapabilityFloat16);
|
|
if (type.getBasicType() == glslang::EbtUint8 ||
|
|
type.getBasicType() == glslang::EbtInt8) {
|
|
builder.addCapability(spv::CapabilityInt8);
|
|
}
|
|
|
|
spv::Id scope = makeArraySizeId(*type.getTypeParameters(), 1);
|
|
spv::Id rows = makeArraySizeId(*type.getTypeParameters(), 2);
|
|
spv::Id cols = makeArraySizeId(*type.getTypeParameters(), 3);
|
|
|
|
spvType = builder.makeCooperativeMatrixType(spvType, scope, rows, cols);
|
|
}
|
|
|
|
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 {
|
|
#ifndef GLSLANG_WEB
|
|
if (!lastBufferBlockMember) {
|
|
builder.addIncorporatedExtension("SPV_EXT_descriptor_indexing", spv::Spv_1_5);
|
|
builder.addCapability(spv::CapabilityRuntimeDescriptorArrayEXT);
|
|
}
|
|
#endif
|
|
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)
|
|
{
|
|
#ifndef GLSLANG_WEB
|
|
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
|
|
std::vector<std::pair<glslang::TType*, glslang::TQualifier> > deferredForwardPointers;
|
|
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[glslangTypeToIdMap[glslangMembers]][i] = -1;
|
|
} else {
|
|
if (type.getBasicType() == glslang::EbtBlock) {
|
|
if (filterMember(glslangMember)) {
|
|
memberDelta++;
|
|
memberRemapper[glslangTypeToIdMap[glslangMembers]][i] = -1;
|
|
continue;
|
|
}
|
|
memberRemapper[glslangTypeToIdMap[glslangMembers]][i] = i - memberDelta;
|
|
}
|
|
// 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;
|
|
|
|
// Make forward pointers for any pointer members, and create a list of members to
|
|
// convert to spirv types after creating the struct.
|
|
if (glslangMember.isReference()) {
|
|
if (forwardPointers.find(glslangMember.getReferentType()) == forwardPointers.end()) {
|
|
deferredForwardPointers.push_back(std::make_pair(&glslangMember, memberQualifier));
|
|
}
|
|
spvMembers.push_back(
|
|
convertGlslangToSpvType(glslangMember, explicitLayout, memberQualifier, lastBufferBlockMember, true));
|
|
} else {
|
|
spvMembers.push_back(
|
|
convertGlslangToSpvType(glslangMember, explicitLayout, memberQualifier, lastBufferBlockMember, false));
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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);
|
|
|
|
for (int i = 0; i < (int)deferredForwardPointers.size(); ++i) {
|
|
auto it = deferredForwardPointers[i];
|
|
convertGlslangToSpvType(*it.first, explicitLayout, it.second, false);
|
|
}
|
|
|
|
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[glslangTypeToIdMap[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));
|
|
#ifndef GLSLANG_WEB
|
|
addMeshNVDecoration(spvType, member, memberQualifier);
|
|
#endif
|
|
}
|
|
}
|
|
builder.addMemberDecoration(spvType, member, TranslateInvariantDecoration(memberQualifier));
|
|
|
|
#ifndef GLSLANG_WEB
|
|
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]);
|
|
}
|
|
|
|
#endif
|
|
|
|
// 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);
|
|
|
|
#ifndef GLSLANG_WEB
|
|
// 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);
|
|
}
|
|
|
|
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()));
|
|
}
|
|
|
|
// 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);
|
|
|
|
unsigned int alignment = builder.getAccessChain().alignment;
|
|
alignment |= type.getBufferReferenceAlignment();
|
|
|
|
spv::Id loadedId = builder.accessChainLoad(TranslatePrecisionDecoration(type),
|
|
TranslateNonUniformDecoration(type.getQualifier()),
|
|
nominalTypeId,
|
|
spv::MemoryAccessMask(TranslateMemoryAccess(coherentFlags) & ~spv::MemoryAccessMakePointerAvailableKHRMask),
|
|
TranslateMemoryScope(coherentFlags),
|
|
alignment);
|
|
|
|
// 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);
|
|
|
|
unsigned int alignment = builder.getAccessChain().alignment;
|
|
alignment |= type.getBufferReferenceAlignment();
|
|
|
|
builder.accessChainStore(rvalue,
|
|
spv::MemoryAccessMask(TranslateMemoryAccess(coherentFlags) & ~spv::MemoryAccessMakePointerVisibleKHRMask),
|
|
TranslateMemoryScope(coherentFlags), alignment);
|
|
}
|
|
|
|
// 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.
|
|
|
|
// SPIR-V 1.4 added an instruction to do help do this.
|
|
if (glslangIntermediate->getSpv().spv >= glslang::EShTargetSpv_1_4) {
|
|
// However, bool in uniform space is changed to int, so
|
|
// OpCopyLogical does not work for that.
|
|
// TODO: It would be more robust to do a full recursive verification of the types satisfying SPIR-V rules.
|
|
bool rBool = builder.containsType(builder.getTypeId(rValue), spv::OpTypeBool, 0);
|
|
bool lBool = builder.containsType(lType, spv::OpTypeBool, 0);
|
|
if (lBool == rBool) {
|
|
spv::Id logicalCopy = builder.createUnaryOp(spv::OpCopyLogical, lType, rValue);
|
|
accessChainStore(type, logicalCopy);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// 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), type.getBufferReferenceAlignment());
|
|
|
|
// 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), type.getBufferReferenceAlignment());
|
|
|
|
// 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::EbvPointSize:
|
|
#ifndef GLSLANG_WEB
|
|
case glslang::EbvClipDistance:
|
|
case glslang::EbvCullDistance:
|
|
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);
|
|
if (type.isReference()) {
|
|
// Original and non-writable params pass the pointer directly and
|
|
// use restrict/aliased, others are stored to a pointer in Function
|
|
// memory and use RestrictPointer/AliasedPointer.
|
|
if (originalParam(type.getQualifier().storage, type, false) ||
|
|
!writableParam(type.getQualifier().storage)) {
|
|
decorations.push_back(type.getQualifier().isRestrict() ? spv::DecorationRestrict :
|
|
spv::DecorationAliased);
|
|
} else {
|
|
decorations.push_back(type.getQualifier().isRestrict() ? spv::DecorationRestrictPointerEXT :
|
|
spv::DecorationAliasedPointerEXT);
|
|
}
|
|
}
|
|
};
|
|
|
|
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();
|
|
|
|
#ifdef ENABLE_HLSL
|
|
bool implicitThis = (int)parameters.size() > 0 && parameters[0]->getAsSymbolNode()->getName() ==
|
|
glslangIntermediate->implicitThisName;
|
|
#else
|
|
bool implicitThis = false;
|
|
#endif
|
|
|
|
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());
|
|
|
|
const glslang::TType& paramType = parameters[p]->getAsTyped()->getType();
|
|
if (paramType.contains8BitInt())
|
|
builder.addCapability(spv::CapabilityInt8);
|
|
if (paramType.contains16BitInt())
|
|
builder.addCapability(spv::CapabilityInt16);
|
|
if (paramType.contains16BitFloat())
|
|
builder.addCapability(spv::CapabilityFloat16);
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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, spv::Builder::AccessChain::CoherentFlags &lvalueCoherentFlags)
|
|
{
|
|
const glslang::TIntermSequence& glslangArguments = node.getSequence();
|
|
|
|
glslang::TSampler sampler = {};
|
|
bool cubeCompare = false;
|
|
#ifndef GLSLANG_WEB
|
|
bool f16ShadowCompare = false;
|
|
#endif
|
|
if (node.isTexture() || node.isImage()) {
|
|
sampler = glslangArguments[0]->getAsTyped()->getType().getSampler();
|
|
cubeCompare = sampler.dim == glslang::EsdCube && sampler.arrayed && sampler.shadow;
|
|
#ifndef GLSLANG_WEB
|
|
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);
|
|
|
|
#ifndef GLSLANG_WEB
|
|
// 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;
|
|
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;
|
|
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;
|
|
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;
|
|
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;
|
|
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;
|
|
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;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (lvalue) {
|
|
arguments.push_back(builder.accessChainGetLValue());
|
|
lvalueCoherentFlags = builder.getAccessChain().coherentFlags;
|
|
lvalueCoherentFlags |= TranslateCoherent(glslangArguments[i]->getAsTyped()->getType());
|
|
} else
|
|
#endif
|
|
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, node->getLoc().getFilename());
|
|
|
|
// 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 GLSLANG_WEB
|
|
const bool f16ShadowCompare = false;
|
|
#else
|
|
bool f16ShadowCompare = (sampler.shadow && node->getAsAggregate())
|
|
? node->getAsAggregate()->getSequence()[1]->getAsTyped()->getType().getBasicType() == glslang::EbtFloat16
|
|
: false;
|
|
#endif
|
|
|
|
const auto signExtensionMask = [&]() {
|
|
if (builder.getSpvVersion() >= spv::Spv_1_4) {
|
|
if (sampler.type == glslang::EbtUint)
|
|
return spv::ImageOperandsZeroExtendMask;
|
|
else if (sampler.type == glslang::EbtInt)
|
|
return spv::ImageOperandsSignExtendMask;
|
|
}
|
|
return spv::ImageOperandsMaskNone;
|
|
};
|
|
|
|
spv::Builder::AccessChain::CoherentFlags lvalueCoherentFlags;
|
|
|
|
std::vector<spv::Id> arguments;
|
|
if (node->getAsAggregate())
|
|
translateArguments(*node->getAsAggregate(), arguments, lvalueCoherentFlags);
|
|
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);
|
|
#ifndef GLSLANG_WEB
|
|
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]);
|
|
#endif
|
|
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);
|
|
spv::IdImmediate imageOperands = { false, spv::ImageOperandsMaskNone };
|
|
imageOperands.word = imageOperands.word | signExtensionMask();
|
|
if (sampler.isMultiSample()) {
|
|
imageOperands.word = imageOperands.word | spv::ImageOperandsSampleMask;
|
|
}
|
|
if (imageOperands.word != spv::ImageOperandsMaskNone) {
|
|
operands.push_back(imageOperands);
|
|
if (sampler.isMultiSample()) {
|
|
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);
|
|
if (node->getOp() == glslang::EOpImageLoad || node->getOp() == glslang::EOpImageLoadLod) {
|
|
spv::ImageOperandsMask mask = spv::ImageOperandsMaskNone;
|
|
if (sampler.isMultiSample()) {
|
|
mask = mask | spv::ImageOperandsSampleMask;
|
|
}
|
|
if (cracked.lod) {
|
|
builder.addExtension(spv::E_SPV_AMD_shader_image_load_store_lod);
|
|
builder.addCapability(spv::CapabilityImageReadWriteLodAMD);
|
|
mask = mask | spv::ImageOperandsLodMask;
|
|
}
|
|
mask = mask | TranslateImageOperands(TranslateCoherent(imageType));
|
|
mask = (spv::ImageOperandsMask)(mask & ~spv::ImageOperandsMakeTexelAvailableKHRMask);
|
|
mask = mask | signExtensionMask();
|
|
if (mask != spv::ImageOperandsMaskNone) {
|
|
spv::IdImmediate imageOperands = { false, (unsigned int)mask };
|
|
operands.push_back(imageOperands);
|
|
}
|
|
if (mask & spv::ImageOperandsSampleMask) {
|
|
spv::IdImmediate imageOperand = { true, *opIt++ };
|
|
operands.push_back(imageOperand);
|
|
}
|
|
if (mask & spv::ImageOperandsLodMask) {
|
|
spv::IdImmediate imageOperand = { true, *opIt++ };
|
|
operands.push_back(imageOperand);
|
|
}
|
|
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];
|
|
} else if (node->getOp() == glslang::EOpImageStore || node->getOp() == glslang::EOpImageStoreLod) {
|
|
|
|
// Push the texel value before the operands
|
|
if (sampler.isMultiSample() || cracked.lod) {
|
|
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.isMultiSample()) {
|
|
mask = mask | spv::ImageOperandsSampleMask;
|
|
}
|
|
if (cracked.lod) {
|
|
builder.addExtension(spv::E_SPV_AMD_shader_image_load_store_lod);
|
|
builder.addCapability(spv::CapabilityImageReadWriteLodAMD);
|
|
mask = mask | spv::ImageOperandsLodMask;
|
|
}
|
|
mask = mask | TranslateImageOperands(TranslateCoherent(imageType));
|
|
mask = (spv::ImageOperandsMask)(mask & ~spv::ImageOperandsMakeTexelVisibleKHRMask);
|
|
mask = mask | signExtensionMask();
|
|
if (mask != spv::ImageOperandsMaskNone) {
|
|
spv::IdImmediate imageOperands = { false, (unsigned int)mask };
|
|
operands.push_back(imageOperands);
|
|
}
|
|
if (mask & spv::ImageOperandsSampleMask) {
|
|
spv::IdImmediate imageOperand = { true, *opIt++ };
|
|
operands.push_back(imageOperand);
|
|
}
|
|
if (mask & spv::ImageOperandsLodMask) {
|
|
spv::IdImmediate imageOperand = { true, *opIt++ };
|
|
operands.push_back(imageOperand);
|
|
}
|
|
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;
|
|
} else if (node->getOp() == glslang::EOpSparseImageLoad ||
|
|
node->getOp() == glslang::EOpSparseImageLoadLod) {
|
|
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.isMultiSample()) {
|
|
mask = mask | spv::ImageOperandsSampleMask;
|
|
}
|
|
if (cracked.lod) {
|
|
builder.addExtension(spv::E_SPV_AMD_shader_image_load_store_lod);
|
|
builder.addCapability(spv::CapabilityImageReadWriteLodAMD);
|
|
|
|
mask = mask | spv::ImageOperandsLodMask;
|
|
}
|
|
mask = mask | TranslateImageOperands(TranslateCoherent(imageType));
|
|
mask = (spv::ImageOperandsMask)(mask & ~spv::ImageOperandsMakeTexelAvailableKHRMask);
|
|
mask = mask | signExtensionMask();
|
|
if (mask != spv::ImageOperandsMaskNone) {
|
|
spv::IdImmediate imageOperands = { false, (unsigned int)mask };
|
|
operands.push_back(imageOperands);
|
|
}
|
|
if (mask & spv::ImageOperandsSampleMask) {
|
|
spv::IdImmediate imageOperand = { true, *opIt++ };
|
|
operands.push_back(imageOperand);
|
|
}
|
|
if (mask & spv::ImageOperandsLodMask) {
|
|
spv::IdImmediate imageOperand = { true, *opIt++ };
|
|
operands.push_back(imageOperand);
|
|
}
|
|
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.isMultiSample() ? *(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(), lvalueCoherentFlags);
|
|
}
|
|
}
|
|
|
|
#ifndef GLSLANG_WEB
|
|
// 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();
|
|
bool imageFootprint = node->isImageFootprint();
|
|
bool cubeCompare = sampler.dim == glslang::EsdCube && sampler.isArrayed() && sampler.isShadow();
|
|
|
|
// check for bias argument
|
|
bool bias = false;
|
|
if (! cracked.lod && ! cracked.grad && ! cracked.fetch && ! cubeCompare) {
|
|
int nonBiasArgCount = 2;
|
|
if (cracked.gather)
|
|
++nonBiasArgCount; // comp argument should be present when bias argument is present
|
|
|
|
if (f16ShadowCompare)
|
|
++nonBiasArgCount;
|
|
if (cracked.offset)
|
|
++nonBiasArgCount;
|
|
else if (cracked.offsets)
|
|
++nonBiasArgCount;
|
|
if (cracked.grad)
|
|
nonBiasArgCount += 2;
|
|
if (cracked.lodClamp)
|
|
++nonBiasArgCount;
|
|
if (sparse)
|
|
++nonBiasArgCount;
|
|
if (imageFootprint)
|
|
//Following three extra arguments
|
|
// int granularity, bool coarse, out gl_TextureFootprint2DNV footprint
|
|
nonBiasArgCount += 3;
|
|
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);
|
|
}
|
|
|
|
#ifndef GLSLANG_WEB
|
|
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
|
|
if (cubeCompare || f16ShadowCompare) {
|
|
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 &&
|
|
!(glslangIntermediate->getStage() == EShLangCompute &&
|
|
glslangIntermediate->hasLayoutDerivativeModeNone())) {
|
|
// we need to invent the default lod for an explicit lod instruction for a non-fragment stage
|
|
noImplicitLod = true;
|
|
}
|
|
|
|
// multisample
|
|
if (sampler.isMultiSample()) {
|
|
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;
|
|
}
|
|
|
|
#ifndef GLSLANG_WEB
|
|
// 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);
|
|
}
|
|
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;
|
|
}
|
|
|
|
#ifndef GLSLANG_WEB
|
|
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, signExtensionMask());
|
|
|
|
//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, 0);
|
|
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);
|
|
}
|
|
}
|
|
|
|
#ifndef GLSLANG_WEB
|
|
// nonprivate
|
|
if (imageType.getQualifier().nonprivate) {
|
|
params.nonprivate = true;
|
|
}
|
|
|
|
// volatile
|
|
if (imageType.getQualifier().volatil) {
|
|
params.volatil = true;
|
|
}
|
|
#endif
|
|
|
|
std::vector<spv::Id> result( 1,
|
|
builder.createTextureCall(precision, resultType(), sparse, cracked.fetch, cracked.proj, cracked.gather,
|
|
noImplicitLod, params, signExtensionMask())
|
|
);
|
|
|
|
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::EOpAbsDifference:
|
|
binOp = isUnsigned ? spv::OpAbsUSubINTEL : spv::OpAbsISubINTEL;
|
|
break;
|
|
|
|
case glslang::EOpAddSaturate:
|
|
binOp = isUnsigned ? spv::OpUAddSatINTEL : spv::OpIAddSatINTEL;
|
|
break;
|
|
|
|
case glslang::EOpSubSaturate:
|
|
binOp = isUnsigned ? spv::OpUSubSatINTEL : spv::OpISubSatINTEL;
|
|
break;
|
|
|
|
case glslang::EOpAverage:
|
|
binOp = isUnsigned ? spv::OpUAverageINTEL : spv::OpIAverageINTEL;
|
|
break;
|
|
|
|
case glslang::EOpAverageRounded:
|
|
binOp = isUnsigned ? spv::OpUAverageRoundedINTEL : spv::OpIAverageRoundedINTEL;
|
|
break;
|
|
|
|
case glslang::EOpMul32x16:
|
|
binOp = isUnsigned ? spv::OpUMul32x16INTEL : spv::OpIMul32x16INTEL;
|
|
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) ||
|
|
builder.isCooperativeMatrix(left) || builder.isCooperativeMatrix(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);
|
|
decorations.addNoContraction(builder, result);
|
|
decorations.addNonUniform(builder, result);
|
|
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);
|
|
decorations.addNonUniform(builder, result);
|
|
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);
|
|
decorations.addNoContraction(builder, result);
|
|
decorations.addNonUniform(builder, result);
|
|
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) || builder.isCooperativeMatrix(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 (builder.isCooperativeMatrix(left) || builder.isCooperativeMatrix(right))
|
|
firstClass = true;
|
|
|
|
if (firstClass) {
|
|
spv::Id result = builder.createBinOp(op, typeId, left, right);
|
|
decorations.addNoContraction(builder, result);
|
|
decorations.addNonUniform(builder, result);
|
|
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);
|
|
decorations.addNoContraction(builder, result);
|
|
decorations.addNonUniform(builder, result);
|
|
results.push_back(builder.setPrecision(result, decorations.precision));
|
|
}
|
|
|
|
// put the pieces together
|
|
spv::Id result = builder.setPrecision(builder.createCompositeConstruct(typeId, results), decorations.precision);
|
|
decorations.addNonUniform(builder, result);
|
|
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, const spv::Builder::AccessChain::CoherentFlags &lvalueCoherentFlags)
|
|
{
|
|
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;
|
|
#ifndef GLSLANG_WEB
|
|
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;
|
|
#endif
|
|
|
|
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::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;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
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:
|
|
if (typeProxy == glslang::EbtFloat16)
|
|
builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float);
|
|
libCall = spv::GLSLstd450InterpolateAtCentroid;
|
|
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, lvalueCoherentFlags);
|
|
}
|
|
|
|
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::EOpCountLeadingZeros:
|
|
builder.addCapability(spv::CapabilityIntegerFunctions2INTEL);
|
|
builder.addExtension("SPV_INTEL_shader_integer_functions2");
|
|
unaryOp = spv::OpUCountLeadingZerosINTEL;
|
|
break;
|
|
|
|
case glslang::EOpCountTrailingZeros:
|
|
builder.addCapability(spv::CapabilityIntegerFunctions2INTEL);
|
|
builder.addExtension("SPV_INTEL_shader_integer_functions2");
|
|
unaryOp = spv::OpUCountTrailingZerosINTEL;
|
|
break;
|
|
|
|
case glslang::EOpBallot:
|
|
case glslang::EOpReadFirstInvocation:
|
|
case glslang::EOpAnyInvocation:
|
|
case glslang::EOpAllInvocations:
|
|
case glslang::EOpAllInvocationsEqual:
|
|
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:
|
|
{
|
|
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);
|
|
}
|
|
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;
|
|
case glslang::EOpSubgroupPartition:
|
|
unaryOp = spv::OpGroupNonUniformPartitionNV;
|
|
break;
|
|
case glslang::EOpConstructReference:
|
|
unaryOp = spv::OpBitcast;
|
|
break;
|
|
#endif
|
|
|
|
case glslang::EOpCopyObject:
|
|
unaryOp = spv::OpCopyObject;
|
|
break;
|
|
|
|
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);
|
|
}
|
|
|
|
decorations.addNoContraction(builder, id);
|
|
decorations.addNonUniform(builder, id);
|
|
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);
|
|
decorations.addNoContraction(builder, destVec);
|
|
decorations.addNonUniform(builder, destVec);
|
|
results.push_back(builder.setPrecision(destVec, decorations.precision));
|
|
}
|
|
|
|
// put the pieces together
|
|
spv::Id result = builder.setPrecision(builder.createCompositeConstruct(typeId, results), decorations.precision);
|
|
decorations.addNonUniform(builder, result);
|
|
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::EOpConvIntToBool:
|
|
case glslang::EOpConvUintToBool:
|
|
zero = builder.makeUintConstant(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::EOpConvBoolToFloat:
|
|
convOp = spv::OpSelect;
|
|
zero = builder.makeFloatConstant(0.0F);
|
|
one = builder.makeFloatConstant(1.0F);
|
|
break;
|
|
|
|
case glslang::EOpConvBoolToInt:
|
|
case glslang::EOpConvBoolToInt64:
|
|
#ifndef GLSLANG_WEB
|
|
if (op == glslang::EOpConvBoolToInt64) {
|
|
zero = builder.makeInt64Constant(0);
|
|
one = builder.makeInt64Constant(1);
|
|
} else
|
|
#endif
|
|
{
|
|
zero = builder.makeIntConstant(0);
|
|
one = builder.makeIntConstant(1);
|
|
}
|
|
|
|
convOp = spv::OpSelect;
|
|
break;
|
|
|
|
case glslang::EOpConvBoolToUint:
|
|
case glslang::EOpConvBoolToUint64:
|
|
#ifndef GLSLANG_WEB
|
|
if (op == glslang::EOpConvBoolToUint64) {
|
|
zero = builder.makeUint64Constant(0);
|
|
one = builder.makeUint64Constant(1);
|
|
} else
|
|
#endif
|
|
{
|
|
zero = builder.makeUintConstant(0);
|
|
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::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.
|
|
#ifndef GLSLANG_WEB
|
|
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
|
|
#endif
|
|
{
|
|
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;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
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::EOpConvInt64ToBool:
|
|
case glslang::EOpConvUint64ToBool:
|
|
zero = builder.makeUint64Constant(0);
|
|
zero = makeSmearedConstant(zero, vectorSize);
|
|
return builder.createBinOp(spv::OpINotEqual, 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::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::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::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;
|
|
case glslang::EOpConvUint64ToPtr:
|
|
convOp = spv::OpConvertUToPtr;
|
|
break;
|
|
case glslang::EOpConvPtrToUint64:
|
|
convOp = spv::OpConvertPtrToU;
|
|
break;
|
|
case glslang::EOpConvPtrToUvec2:
|
|
case glslang::EOpConvUvec2ToPtr:
|
|
if (builder.isVector(operand))
|
|
builder.promoteIncorporatedExtension(spv::E_SPV_EXT_physical_storage_buffer,
|
|
spv::E_SPV_KHR_physical_storage_buffer, spv::Spv_1_5);
|
|
convOp = spv::OpBitcast;
|
|
break;
|
|
#endif
|
|
|
|
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);
|
|
decorations.addNonUniform(builder, result);
|
|
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, const spv::Builder::AccessChain::CoherentFlags &lvalueCoherentFlags)
|
|
{
|
|
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(lvalueCoherentFlags.isVolatile() && glslangIntermediate->usingVulkanMemoryModel() ?
|
|
spv::MemorySemanticsVolatileMask :
|
|
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 |
|
|
spv::MemorySemanticsVolatileMask)) {
|
|
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)
|
|
{
|
|
bool isUnsigned = isTypeUnsignedInt(typeProxy);
|
|
bool isFloat = isTypeFloat(typeProxy);
|
|
|
|
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);
|
|
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);
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
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;
|
|
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)
|
|
{
|
|
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);
|
|
|
|
// 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;
|
|
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;
|
|
default: assert(0 && "Unhandled subgroup operation!");
|
|
}
|
|
|
|
|
|
const bool isUnsigned = isTypeUnsignedInt(typeProxy);
|
|
const bool isFloat = isTypeFloat(typeProxy);
|
|
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:
|
|
case glslang::EOpSubgroupPartitionedAdd:
|
|
case glslang::EOpSubgroupPartitionedInclusiveAdd:
|
|
case glslang::EOpSubgroupPartitionedExclusiveAdd:
|
|
if (isFloat) {
|
|
opCode = spv::OpGroupNonUniformFAdd;
|
|
} else {
|
|
opCode = spv::OpGroupNonUniformIAdd;
|
|
}
|
|
break;
|
|
case glslang::EOpSubgroupMul:
|
|
case glslang::EOpSubgroupInclusiveMul:
|
|
case glslang::EOpSubgroupExclusiveMul:
|
|
case glslang::EOpSubgroupClusteredMul:
|
|
case glslang::EOpSubgroupPartitionedMul:
|
|
case glslang::EOpSubgroupPartitionedInclusiveMul:
|
|
case glslang::EOpSubgroupPartitionedExclusiveMul:
|
|
if (isFloat) {
|
|
opCode = spv::OpGroupNonUniformFMul;
|
|
} else {
|
|
opCode = spv::OpGroupNonUniformIMul;
|
|
}
|
|
break;
|
|
case glslang::EOpSubgroupMin:
|
|
case glslang::EOpSubgroupInclusiveMin:
|
|
case glslang::EOpSubgroupExclusiveMin:
|
|
case glslang::EOpSubgroupClusteredMin:
|
|
case glslang::EOpSubgroupPartitionedMin:
|
|
case glslang::EOpSubgroupPartitionedInclusiveMin:
|
|
case glslang::EOpSubgroupPartitionedExclusiveMin:
|
|
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:
|
|
case glslang::EOpSubgroupPartitionedMax:
|
|
case glslang::EOpSubgroupPartitionedInclusiveMax:
|
|
case glslang::EOpSubgroupPartitionedExclusiveMax:
|
|
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:
|
|
case glslang::EOpSubgroupPartitionedAnd:
|
|
case glslang::EOpSubgroupPartitionedInclusiveAnd:
|
|
case glslang::EOpSubgroupPartitionedExclusiveAnd:
|
|
if (isBool) {
|
|
opCode = spv::OpGroupNonUniformLogicalAnd;
|
|
} else {
|
|
opCode = spv::OpGroupNonUniformBitwiseAnd;
|
|
}
|
|
break;
|
|
case glslang::EOpSubgroupOr:
|
|
case glslang::EOpSubgroupInclusiveOr:
|
|
case glslang::EOpSubgroupExclusiveOr:
|
|
case glslang::EOpSubgroupClusteredOr:
|
|
case glslang::EOpSubgroupPartitionedOr:
|
|
case glslang::EOpSubgroupPartitionedInclusiveOr:
|
|
case glslang::EOpSubgroupPartitionedExclusiveOr:
|
|
if (isBool) {
|
|
opCode = spv::OpGroupNonUniformLogicalOr;
|
|
} else {
|
|
opCode = spv::OpGroupNonUniformBitwiseOr;
|
|
}
|
|
break;
|
|
case glslang::EOpSubgroupXor:
|
|
case glslang::EOpSubgroupInclusiveXor:
|
|
case glslang::EOpSubgroupExclusiveXor:
|
|
case glslang::EOpSubgroupClusteredXor:
|
|
case glslang::EOpSubgroupPartitionedXor:
|
|
case glslang::EOpSubgroupPartitionedInclusiveXor:
|
|
case glslang::EOpSubgroupPartitionedExclusiveXor:
|
|
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;
|
|
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;
|
|
}
|
|
|
|
// 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 = nanMinMaxClamp ? spv::GLSLstd450NMin : 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 = nanMinMaxClamp ? spv::GLSLstd450NMax : 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 = nanMinMaxClamp ? spv::GLSLstd450NClamp : 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::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 |
|
|
spv::MemorySemanticsVolatileMask)) {
|
|
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 |
|
|
spv::MemorySemanticsVolatileMask)) {
|
|
builder.addCapability(spv::CapabilityVulkanMemoryModelKHR);
|
|
}
|
|
if (glslangIntermediate->usingVulkanMemoryModel() && memoryScope == spv::ScopeDevice) {
|
|
builder.addCapability(spv::CapabilityVulkanMemoryModelDeviceScopeKHR);
|
|
}
|
|
return 0;
|
|
}
|
|
break;
|
|
|
|
#ifndef GLSLANG_WEB
|
|
case glslang::EOpInterpolateAtSample:
|
|
if (typeProxy == glslang::EbtFloat16)
|
|
builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float);
|
|
libCall = spv::GLSLstd450InterpolateAtSample;
|
|
break;
|
|
case glslang::EOpInterpolateAtOffset:
|
|
if (typeProxy == glslang::EbtFloat16)
|
|
builder.addExtension(spv::E_SPV_AMD_gpu_shader_half_float);
|
|
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);
|
|
if (width == 16)
|
|
// Using 16-bit exp operand, enable extension SPV_AMD_gpu_shader_int16
|
|
builder.addExtension(spv::E_SPV_AMD_gpu_shader_int16);
|
|
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:
|
|
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:
|
|
return createSubgroupOperation(op, typeId, operands, typeProxy);
|
|
|
|
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;
|
|
|
|
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;
|
|
case glslang::EOpCooperativeMatrixMulAdd:
|
|
opCode = spv::OpCooperativeMatrixMulAddNV;
|
|
break;
|
|
#endif // GLSLANG_WEB
|
|
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(mulOp, 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;
|
|
}
|
|
}
|
|
|
|
#ifndef GLSLANG_WEB
|
|
// 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;
|
|
}
|
|
#endif
|
|
|
|
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::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::EOpMemoryBarrierBuffer:
|
|
builder.createMemoryBarrier(memoryBarrierScope, spv::MemorySemanticsUniformMemoryMask |
|
|
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;
|
|
#ifndef GLSLANG_WEB
|
|
case glslang::EOpMemoryBarrierAtomicCounter:
|
|
builder.createMemoryBarrier(memoryBarrierScope, spv::MemorySemanticsAtomicCounterMemoryMask |
|
|
spv::MemorySemanticsAcquireReleaseMask);
|
|
return 0;
|
|
case glslang::EOpMemoryBarrierImage:
|
|
builder.createMemoryBarrier(memoryBarrierScope, spv::MemorySemanticsImageMemoryMask |
|
|
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::EOpEmitVertex:
|
|
builder.createNoResultOp(spv::OpEmitVertex);
|
|
return 0;
|
|
case glslang::EOpEndPrimitive:
|
|
builder.createNoResultOp(spv::OpEndPrimitive);
|
|
return 0;
|
|
|
|
case glslang::EOpSubgroupElect: {
|
|
std::vector<spv::Id> operands;
|
|
return createSubgroupOperation(op, typeId, operands, glslang::EbtVoid);
|
|
}
|
|
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);
|
|
}
|
|
case glslang::EOpIgnoreIntersectionNV:
|
|
builder.createNoResultOp(spv::OpIgnoreIntersectionNV);
|
|
return 0;
|
|
case glslang::EOpTerminateRayNV:
|
|
builder.createNoResultOp(spv::OpTerminateRayNV);
|
|
return 0;
|
|
|
|
case glslang::EOpBeginInvocationInterlock:
|
|
builder.createNoResultOp(spv::OpBeginInvocationInterlockEXT);
|
|
return 0;
|
|
case glslang::EOpEndInvocationInterlock:
|
|
builder.createNoResultOp(spv::OpEndInvocationInterlockEXT);
|
|
return 0;
|
|
|
|
case glslang::EOpIsHelperInvocation:
|
|
{
|
|
std::vector<spv::Id> args; // Dummy arguments
|
|
builder.addExtension(spv::E_SPV_EXT_demote_to_helper_invocation);
|
|
builder.addCapability(spv::CapabilityDemoteToHelperInvocationEXT);
|
|
return builder.createOp(spv::OpIsHelperInvocationEXT, typeId, args);
|
|
}
|
|
|
|
case glslang::EOpReadClockSubgroupKHR: {
|
|
std::vector<spv::Id> args;
|
|
args.push_back(builder.makeUintConstant(spv::ScopeSubgroup));
|
|
builder.addExtension(spv::E_SPV_KHR_shader_clock);
|
|
builder.addCapability(spv::CapabilityShaderClockKHR);
|
|
return builder.createOp(spv::OpReadClockKHR, typeId, args);
|
|
}
|
|
|
|
case glslang::EOpReadClockDeviceKHR: {
|
|
std::vector<spv::Id> args;
|
|
args.push_back(builder.makeUintConstant(spv::ScopeDevice));
|
|
builder.addExtension(spv::E_SPV_KHR_shader_clock);
|
|
builder.addCapability(spv::CapabilityShaderClockKHR);
|
|
return builder.createOp(spv::OpReadClockKHR, typeId, args);
|
|
}
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
|
|
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
|
|
spv::BuiltIn builtIn = TranslateBuiltInDecoration(symbol->getQualifier().builtIn, false);
|
|
auto forcedType = getForcedType(builtIn, symbol->getType());
|
|
id = createSpvVariable(symbol, forcedType.first);
|
|
symbolValues[symbol->getId()] = id;
|
|
if (forcedType.second != spv::NoType)
|
|
forceType[id] = forcedType.second;
|
|
|
|
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()));
|
|
#ifndef GLSLANG_WEB
|
|
addMeshNVDecoration(id, /*member*/ -1, symbol->getType().getQualifier());
|
|
if (symbol->getQualifier().hasComponent())
|
|
builder.addDecoration(id, spv::DecorationComponent, symbol->getQualifier().layoutComponent);
|
|
if (symbol->getQualifier().hasIndex())
|
|
builder.addDecoration(id, spv::DecorationIndex, symbol->getQualifier().layoutIndex);
|
|
#endif
|
|
if (symbol->getType().getQualifier().hasSpecConstantId())
|
|
builder.addDecoration(id, spv::DecorationSpecId, symbol->getType().getQualifier().layoutSpecConstantId);
|
|
// 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);
|
|
else if (IsDescriptorResource(symbol->getType())) {
|
|
// default to 0
|
|
builder.addDecoration(id, spv::DecorationBinding, 0);
|
|
}
|
|
if (symbol->getQualifier().hasAttachment())
|
|
builder.addDecoration(id, spv::DecorationInputAttachmentIndex, symbol->getQualifier().layoutAttachment);
|
|
if (glslangIntermediate->getXfbMode()) {
|
|
builder.addCapability(spv::CapabilityTransformFeedback);
|
|
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);
|
|
}
|
|
|
|
// add built-in variable decoration
|
|
if (builtIn != spv::BuiltInMax) {
|
|
builder.addDecoration(id, spv::DecorationBuiltIn, (int)builtIn);
|
|
}
|
|
|
|
#ifndef GLSLANG_WEB
|
|
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]);
|
|
}
|
|
|
|
// nonuniform
|
|
builder.addDecoration(id, TranslateNonUniformDecoration(symbol->getType().getQualifier()));
|
|
|
|
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.addCapability(spv::CapabilitySampleMaskOverrideCoverageNV);
|
|
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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
if (symbol->isReference()) {
|
|
builder.addDecoration(id, symbol->getType().getQualifier().restrict ? spv::DecorationRestrictPointerEXT : spv::DecorationAliasedPointerEXT);
|
|
}
|
|
#endif
|
|
|
|
return id;
|
|
}
|
|
|
|
#ifndef GLSLANG_WEB
|
|
// 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.isCoopMat()) {
|
|
glslang::TType componentType(glslangType.getBasicType());
|
|
spvConsts.push_back(createSpvConstantFromConstUnionArray(componentType, consts, nextConst, false));
|
|
} else if (glslangType.isStruct()) {
|
|
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::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::EbtFloat:
|
|
spvConsts.push_back(builder.makeFloatConstant(zero ? 0.0F : (float)consts[nextConst].getDConst()));
|
|
break;
|
|
case glslang::EbtBool:
|
|
spvConsts.push_back(builder.makeBoolConstant(zero ? false : consts[nextConst].getBConst()));
|
|
break;
|
|
#ifndef GLSLANG_WEB
|
|
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::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::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;
|
|
#endif
|
|
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::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::EbtFloat:
|
|
scalar = builder.makeFloatConstant(zero ? 0.0F : (float)consts[nextConst].getDConst(), specConstant);
|
|
break;
|
|
case glslang::EbtBool:
|
|
scalar = builder.makeBoolConstant(zero ? false : consts[nextConst].getBConst(), specConstant);
|
|
break;
|
|
#ifndef GLSLANG_WEB
|
|
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::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::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::EbtReference:
|
|
scalar = builder.makeUint64Constant(zero ? 0 : consts[nextConst].getU64Const(), specConstant);
|
|
scalar = builder.createUnaryOp(spv::OpBitcast, typeId, scalar);
|
|
break;
|
|
#endif
|
|
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);
|
|
}
|
|
|
|
#ifndef GLSLANG_WEB
|
|
// 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
|
|
return 8; // switch to new dead block eliminator; use OpUnreachable
|
|
}
|
|
|
|
// 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)
|
|
{
|
|
#ifndef GLSLANG_WEB
|
|
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();
|
|
#endif
|
|
}
|
|
|
|
//
|
|
// 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.
|
|
bool prelegalization = intermediate.getSource() == EShSourceHlsl;
|
|
if ((intermediate.getSource() == EShSourceHlsl || options->optimizeSize) && !options->disableOptimizer) {
|
|
SpirvToolsLegalize(intermediate, spirv, logger, options);
|
|
prelegalization = false;
|
|
}
|
|
|
|
if (options->validate)
|
|
SpirvToolsValidate(intermediate, spirv, logger, prelegalization);
|
|
|
|
if (options->disassemble)
|
|
SpirvToolsDisassemble(std::cout, spirv);
|
|
|
|
#endif
|
|
|
|
GetThreadPoolAllocator().pop();
|
|
}
|
|
|
|
}; // end namespace glslang
|