public static bool GetNormalized(IAFormat iAFormat)
{
switch (iAFormat)
{
case IAFormat.Dec3N:
case IAFormat.Short2N:
case IAFormat.Short4N:
case IAFormat.UByte4N:
case IAFormat.UShort2N:
case IAFormat.UShort4N:
case IAFormat.Color: return(true);
case IAFormat.Float1:
case IAFormat.Float2:
case IAFormat.Float3:
case IAFormat.Float4:
case IAFormat.HalfFour:
case IAFormat.HalfTwo:
case IAFormat.Short2:
case IAFormat.Short4:
case IAFormat.Ubyte4:
case IAFormat.UDec3:
return(false);
case IAFormat.Unused: throw new ArgumentException();
default:
throw new ArgumentException();
}
}
public static int GetSize(IAFormat iAFormat)
{
switch (iAFormat)
{
case IAFormat.Ubyte4:
case IAFormat.UByte4N:
case IAFormat.Color: return(4);
case IAFormat.Float1: return(4);
case IAFormat.Float2: return(8);
case IAFormat.Float3: return(12);
case IAFormat.Float4: return(16);
case IAFormat.HalfFour: return(8);
case IAFormat.HalfTwo:
case IAFormat.UShort2N:
case IAFormat.Short2:
case IAFormat.Short2N: return(4);
case IAFormat.UShort4N:
case IAFormat.Short4:
case IAFormat.Short4N: return(8);
case IAFormat.Unused: throw new ArgumentException();
default:
throw new ArgumentException();
}
}
public static int SizeOfElement(IAFormat type)
{
switch (type)
{
case IAFormat.Float3:
return(12);
case IAFormat.Float4:
return(16);
case IAFormat.HalfFour:
case IAFormat.Short4N:
case IAFormat.UShort4N:
case IAFormat.Short4:
case IAFormat.Float2:
return(8);
case IAFormat.HalfTwo:
case IAFormat.Color:
case IAFormat.Ubyte4:
case IAFormat.UByte4N:
case IAFormat.Short2:
case IAFormat.Short2N:
case IAFormat.UShort2N:
case IAFormat.Float1:
return(4);
}
throw new ArgumentOutOfRangeException("type");
}
public VertexElement(short stream, short offset, IAFormat format, IASemantic semantic, byte usageIndex)
{
Stream = stream;
Offset = offset;
Format = format;
Semantic = semantic;
UsageIndex = usageIndex;
}
public static All GetType(IAFormat iAFormat)
{
switch (iAFormat)
{
case IAFormat.Color: return(All.UnsignedByte);
case IAFormat.Dec3N: return(All.Int);
case IAFormat.Float1:
case IAFormat.Float2:
case IAFormat.Float3:
case IAFormat.Float4: return(All.Float);
case IAFormat.HalfFour:
case IAFormat.HalfTwo: return(All.HalfFloatOes);
case IAFormat.Short2: return(All.Short);
case IAFormat.Short2N: return(All.UnsignedShort);
case IAFormat.Short4:
case IAFormat.Short4N: return(All.Short);
case IAFormat.Ubyte4: return(All.UnsignedByte);
case IAFormat.UByte4N: return(All.UnsignedByte);
case IAFormat.UDec3: return(All.Int);
case IAFormat.Unused: throw new ArgumentException();
case IAFormat.UShort2N: return(All.UnsignedShort);
case IAFormat.UShort4N: return(All.UnsignedShort);
default:
throw new ArgumentException();
}
}
public VertexElementAttribute(IASemantic semantic, byte usageIndex = 0, short stream = 0, IAFormat type = IAFormat.Unused, short offset = -1)
{
this.Semantic = semantic;
this.UsageIndex = usageIndex;
this.Stream = stream;
this.Format = type;
this.Offset = offset;
}
