63 lines
1.9 KiB
C++
63 lines
1.9 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/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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//---------------------------------------------------------------------------------------------
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//!
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//---------------------------------------------------------------------------------------------
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class ASTOpImageLayer final : public ASTOp
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{
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public:
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ASTChild base;
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ASTChild blend;
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ASTChild mask;
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/** Blend type used for the colour channels. */
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EBlendType blendType = EBlendType::BT_NONE;
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/** Blend type used for the alpha channel if any. */
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EBlendType blendTypeAlpha = EBlendType::BT_NONE;
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/** Channel to use from the source color argument to apply blendTypeAlpha, if any. */
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uint8 BlendAlphaSourceChannel = 0;
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/** See ImageLayerArgs::Flags .*/
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uint8 Flags = 0;
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public:
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ASTOpImageLayer();
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ASTOpImageLayer(const ASTOpImageLayer&) = delete;
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~ASTOpImageLayer();
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virtual EOpType GetOpType() const override { return EOpType::IM_LAYER; }
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virtual uint64 Hash() const override;
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virtual bool IsEqual(const ASTOp& otherUntyped) const override;
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virtual Ptr<ASTOp> Clone(MapChildFuncRef mapChild) const override;
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virtual void ForEachChild(const TFunctionRef<void(ASTChild&)>) override;
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virtual void Link(FProgram& program, FLinkerOptions*) override;
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virtual FImageDesc GetImageDesc(bool returnBestOption, FGetImageDescContext*) const override;
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virtual void GetLayoutBlockSize(int* pBlockX, int* pBlockY) override;
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virtual Ptr<ImageSizeExpression> GetImageSizeExpression() const override;
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virtual Ptr<ASTOp> OptimiseSemantic(const FModelOptimizationOptions&, int32 Pass) const override;
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virtual Ptr<ASTOp> OptimiseSink(const FModelOptimizationOptions&, FOptimizeSinkContext&) const override;
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virtual FSourceDataDescriptor GetSourceDataDescriptor(FGetSourceDataDescriptorContext*) const override;
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};
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}
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