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A bit faster decoding of RGBA64 images

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VaDiM
2026-04-20 03:33:03 +03:00
parent 472ddbf778
commit 78680987bf
1 changed files with 5 additions and 4 deletions
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AssetStudioUtility/Texture2DConverter.cs
+5 -4
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@@ -802,10 +802,11 @@ namespace AssetStudio
{
for (var i = 0; i < outputDataSize; i += 4)
{
destSpan[i] = DownScaleFrom16BitTo8Bit(BinaryPrimitives.ReadUInt16LittleEndian(buff.Slice(i * 2 + 4))); //B
destSpan[i + 1] = DownScaleFrom16BitTo8Bit(BinaryPrimitives.ReadUInt16LittleEndian(buff.Slice(i * 2 + 2))); //G
destSpan[i + 2] = DownScaleFrom16BitTo8Bit(BinaryPrimitives.ReadUInt16LittleEndian(buff.Slice(i * 2))); //R
destSpan[i + 3] = DownScaleFrom16BitTo8Bit(BinaryPrimitives.ReadUInt16LittleEndian(buff.Slice(i * 2 + 6))); //A
var val = BinaryPrimitives.ReadUInt64LittleEndian(buff.Slice(i * 2));
destSpan[i] = DownScaleFrom16BitTo8Bit((ushort)((val >> 32) & 0xffff)); //B
destSpan[i + 1] = DownScaleFrom16BitTo8Bit((ushort)((val >> 16) & 0xffff)); //G
destSpan[i + 2] = DownScaleFrom16BitTo8Bit((ushort)(val & 0xffff)); //R
destSpan[i + 3] = DownScaleFrom16BitTo8Bit((ushort)((val >> 48) & 0xffff)); //A
}
return true;
}