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[FYI] Danny.Kabrane, Dan.Thompson, Charles.Bloom Original CL Desc ----------------------------------------------------------------- Fixing MaterialX imports texture with wrong colors, correctly detect gray scale textures in the Texture Pipeline, not in the Translator wrapper. #jira UE-192576 #rb Alexis.Matte [CL 30588609 by danny kabrane in ue5-main branch]
29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreTypes.h"
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#include "Engine/TextureDefines.h"
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struct FImage;
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namespace UE::TextureUtilitiesCommon
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{
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/**
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* Detect the existence of gray scale image in some formats and convert those to a gray scale equivalent image
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*
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* @return true if the image was converted
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*/
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TEXTUREUTILITIESCOMMON_API bool AutoDetectAndChangeGrayScale(FImage& Image);
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/**
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* For PNG texture importing, this ensures that any pixels with an alpha value of zero have an RGB
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* assigned to them from a neighboring pixel which has non-zero alpha.
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* This is needed as PNG exporters tend to turn pixels that are RGBA = (x,x,x,0) to (1,1,1,0)
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* and this produces artifacts when drawing the texture with bilinear filtering.
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*
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* @param TextureSource - The source texture
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* @param SourceData - The source texture data
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*/
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TEXTUREUTILITIESCOMMON_API void FillZeroAlphaPNGData(int32 SizeX, int32 SizeY, ETextureSourceFormat SourceFormat, uint8* SourceData, bool bDoOnComplexAlphaNotJustBinaryTransparency);
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} |