60 lines
1.7 KiB
C++
60 lines
1.7 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 ASTOpImageMultiLayer 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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FRangeData range;
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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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/** If true, use the alpha channel of the blended image as mask. Mask should be null.*/
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bool bUseMaskFromBlended = false;
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public:
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ASTOpImageMultiLayer();
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ASTOpImageMultiLayer(const ASTOpImageMultiLayer&) = delete;
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~ASTOpImageMultiLayer();
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EOpType GetOpType() const override { return EOpType::IM_MULTILAYER; }
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uint64 Hash() const override;
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bool IsEqual(const ASTOp& otherUntyped) const override;
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Ptr<ASTOp> Clone(MapChildFuncRef mapChild) const override;
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void ForEachChild(const TFunctionRef<void(ASTChild&)>) override;
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void Link(FProgram& program, FLinkerOptions* Options) override;
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FImageDesc GetImageDesc(bool returnBestOption, FGetImageDescContext* context) const override;
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void GetLayoutBlockSize(int* pBlockX, int* pBlockY) override;
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Ptr<ImageSizeExpression> GetImageSizeExpression() const override;
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};
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}
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