30 lines
832 B
C++
30 lines
832 B
C++
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// Copyright 2020 Phyronnaz
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#include "VoxelUtilities/VoxelTextureUtilities.h"
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#include "VoxelMinimal.h"
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#include "Engine/Texture2D.h"
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void FVoxelTextureUtilities::UpdateColorTexture(UTexture2D*& Texture, const FIntPoint& Size, const TArray<FColor>& Colors)
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{
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VOXEL_FUNCTION_COUNTER();
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check(Colors.Num() == Size.X * Size.Y);
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if (!Texture || Texture->GetSizeX() != Size.X || Texture->GetSizeY() != Size.Y)
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{
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Texture = UTexture2D::CreateTransient(Size.X, Size.Y);
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if (!ensure(Texture))
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{
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return;
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}
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Texture->CompressionSettings = TC_HDR;
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Texture->SRGB = false;
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}
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FTexture2DMipMap& Mip = Texture->GetPlatformData()->Mips[0];
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{
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void* Data = Mip.BulkData.Lock(LOCK_READ_WRITE);
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FMemory::Memcpy(Data, Colors.GetData(), Colors.Num() * sizeof(FColor));
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}
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Mip.BulkData.Unlock();
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Texture->UpdateResource();
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}
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