63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "HAL/Platform.h"
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#include "MuR/Image.h"
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#include "MuR/Operations.h"
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#include "MuR/ParametersPrivate.h"
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#include "MuR/Ptr.h"
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#include "MuT/AST.h"
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namespace mu
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{
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struct FProgram;
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/** Parameter operation. */
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class ASTOpParameter final : public ASTOp
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{
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public:
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//! Type of parameter
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EOpType Type = EOpType::NONE;
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//!
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FParameterDesc Parameter;
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/** Used by some parameter types (Mesh) to specify which subdata from the actual parameter value should be used in the operation. */
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int32 LODIndex = 0;
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int32 SectionIndex = 0;
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uint32 MeshID = 0;
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//** Ranges adding dimensions to this parameter. */
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TArray<FRangeData> Ranges;
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/** Index of the parameter in the final program parameter list.
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* This is generated at link time, because the parameters may be reordered.
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*/
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int32 LinkedParameterIndex = -1;
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public:
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~ASTOpParameter() override;
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// ASTOp interface.
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virtual EOpType GetOpType() const override;
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virtual uint64 Hash() const override;
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virtual void ForEachChild(const TFunctionRef<void(ASTChild&)>) override;
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virtual bool IsEqual(const ASTOp&) const override;
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virtual Ptr<ASTOp> Clone(MapChildFuncRef ) const override;
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virtual void Assert() override;
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virtual void Link(FProgram&, FLinkerOptions*) override;
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virtual int EvaluateInt(ASTOpList& Facts, bool& bOutUnknown) const override;
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virtual FBoolEvalResult EvaluateBool(ASTOpList& Facts, FEvaluateBoolCache* = nullptr) const override;
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virtual FImageDesc GetImageDesc(bool, FGetImageDescContext*) const override;
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virtual bool IsColourConstant(FVector4f& OutColour) const override;
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};
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}
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