113 строки
3.9 KiB
C++
113 строки
3.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// //
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// ComputeViewIdState.h //
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// Copyright (C) Microsoft Corporation. All rights reserved. //
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// This file is distributed under the University of Illinois Open Source //
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// License. See LICENSE.TXT for details. //
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// //
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// Computes output registers dependent on ViewID. //
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// Computes sets of input registers on which output registers depend. //
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// Computes which input/output shapes are dynamically indexed. //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "llvm/Pass.h"
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#include "dxc/HLSL/ControlDependence.h"
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#include "llvm/Support/GenericDomTree.h"
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#include <memory>
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#include <bitset>
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#include <unordered_set>
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#include <unordered_map>
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#include <set>
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#include <map>
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namespace llvm {
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class Module;
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class Function;
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class BasicBlock;
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class Instruction;
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class ReturnInst;
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class Value;
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class PHINode;
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class AnalysisUsage;
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class CallGraph;
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class CallGraphNode;
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class ModulePass;
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class raw_ostream;
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}
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namespace hlsl {
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class DxilModule;
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class DxilSignature;
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class DxilSignatureElement;
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struct DxilViewIdStateData {
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static const unsigned kNumComps = 4;
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static const unsigned kMaxSigScalars = 32*4;
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using OutputsDependentOnViewIdType = std::bitset<kMaxSigScalars>;
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using InputsContributingToOutputType = std::map<unsigned, std::set<unsigned>>;
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static const unsigned kNumStreams = 4;
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unsigned m_NumInputSigScalars = 0;
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unsigned m_NumOutputSigScalars[kNumStreams] = {0,0,0,0};
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unsigned m_NumPCSigScalars = 0;
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// Set of scalar outputs dependent on ViewID.
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OutputsDependentOnViewIdType m_OutputsDependentOnViewId[kNumStreams];
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OutputsDependentOnViewIdType m_PCOutputsDependentOnViewId;
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// Set of scalar inputs contributing to computation of scalar outputs.
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InputsContributingToOutputType m_InputsContributingToOutputs[kNumStreams];
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InputsContributingToOutputType m_InputsContributingToPCOutputs; // HS PC only.
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InputsContributingToOutputType m_PCInputsContributingToOutputs; // DS only.
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bool m_bUsesViewId = false;
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};
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class DxilViewIdState : public DxilViewIdStateData {
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static const unsigned kNumComps = 4;
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static const unsigned kMaxSigScalars = 32*4;
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public:
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using OutputsDependentOnViewIdType = std::bitset<kMaxSigScalars>;
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using InputsContributingToOutputType = std::map<unsigned, std::set<unsigned>>;
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DxilViewIdState(DxilModule *pDxilModule);
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unsigned getNumInputSigScalars() const;
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unsigned getNumOutputSigScalars(unsigned StreamId) const;
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unsigned getNumPCSigScalars() const;
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const OutputsDependentOnViewIdType &getOutputsDependentOnViewId(unsigned StreamId) const;
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const OutputsDependentOnViewIdType &getPCOutputsDependentOnViewId() const;
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const InputsContributingToOutputType &getInputsContributingToOutputs(unsigned StreamId) const;
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const InputsContributingToOutputType &getInputsContributingToPCOutputs() const;
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const InputsContributingToOutputType &getPCInputsContributingToOutputs() const;
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void Serialize();
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const std::vector<unsigned> &GetSerialized();
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const std::vector<unsigned> &
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GetSerialized() const; // returns previously serialized data
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void Deserialize(const unsigned *pData, unsigned DataSizeInUINTs);
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void PrintSets(llvm::raw_ostream &OS);
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private:
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DxilModule *m_pModule;
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// Serialized form.
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std::vector<unsigned> m_SerializedState;
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void Clear();
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};
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} // end of hlsl namespace
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namespace llvm {
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void initializeComputeViewIdStatePass(llvm::PassRegistry &);
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llvm::ModulePass *createComputeViewIdStatePass();
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} // end of llvm namespace
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