/// <summary>
/// Constructs the <see cref="VectorComponent"/>.
/// </summary>
/// <param name="type">The type of data that will be stored in the component.</param>
/// <param name="channel">The channel type that the component represents.</param>
/// <param name="bits">The size of the component in bits.</param>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="bits"/> is less than or equal to zero or
/// <paramref name="bits"/> is zero and <paramref name="type"/> is <see cref="VectorComponentType.BitField"/>.
/// </exception>
public VectorComponent(VectorComponentType type, VectorComponentChannel channel, int?bits = null)
{
if (bits.HasValue)
{
if (bits.Value <= 0)
{
throw new ArgumentOutOfRangeException(nameof(bits));
}
Bits = bits.Value;
}
else
{
if (type == VectorComponentType.BitField ||
type == VectorComponentType.Undefined)
{
throw new ArgumentException(
"The bit size could not be inferred from the given component type.");
}
Bits = type.SizeInBytes() * 8;
}
Type = type;
Channel = channel;
}
public static int SizeInBytes(this VectorComponentType type)
{
return(type switch
{
VectorComponentType.Int8 => sizeof(sbyte),
VectorComponentType.UInt8 => sizeof(byte),
VectorComponentType.Int16 => sizeof(short),
VectorComponentType.UInt16 => sizeof(ushort),
VectorComponentType.Int32 => sizeof(int),
VectorComponentType.UInt32 => sizeof(uint),
VectorComponentType.Int64 => sizeof(long),
VectorComponentType.UInt64 => sizeof(ulong),
VectorComponentType.Float16 => Unsafe.SizeOf <HalfSingle>(),
VectorComponentType.Float32 => sizeof(float),
VectorComponentType.Float64 => sizeof(double),
_ => throw new ArgumentOutOfRangeException(nameof(type)),
});
