/// <summary>
///
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public static VertexBaseType GetArrayBaseType(Type type)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
if (type == typeof(Single))
{
return(VertexBaseType.Float);
}
if (type == typeof(HalfFloat))
{
return(VertexBaseType.Half);
}
if (type == typeof(Int32))
{
return(VertexBaseType.Int);
}
if (type == typeof(UInt32))
{
return(VertexBaseType.UInt);
}
if (type == typeof(Int16))
{
return(VertexBaseType.Short);
}
if (type == typeof(UInt16))
{
return(VertexBaseType.UShort);
}
if (type == typeof(Byte))
{
return(VertexBaseType.UByte);
}
if (type == typeof(SByte))
{
return(VertexBaseType.Byte);
}
ArrayBufferItemAttribute attribute = (ArrayBufferItemAttribute)Attribute.GetCustomAttribute(type, typeof(ArrayBufferItemAttribute));
if (attribute != null)
{
return(attribute.ArrayBaseType);
}
throw new ArgumentException(String.Format("unable to match type {0}", type.Name));
}
/// <summary>
/// Get the corresponding <see cref="ArrayBufferItemType"/> from a <see cref="ArrayType"/>.
/// </summary>
/// <param name="type">
/// A <see cref="ArrayType"/> indicating the structure describing the vertex array buffer item.
/// </param>
/// <returns>
/// It returns a <see cref="ArrayBufferItemType"/> corresponding to <paramref name="type"/>.
/// </returns>
public static ArrayBufferItemType GetArrayType(Type type)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
// Support .NET Framework types
// Support OpenGL.Net.Math types
// Support unknown types using ArrayBufferItemAttribute
// Single-Precision Floating-Point Types
if (type == typeof(Single))
{
return(ArrayBufferItemType.Float);
}
else if (type == typeof(Vertex2f))
{
return(ArrayBufferItemType.Float2);
}
else if (type == typeof(Vertex3f) || type == typeof(ColorRGBF))
{
return(ArrayBufferItemType.Float3);
}
else if (type == typeof(Vertex4f) || type == typeof(ColorRGBAF))
{
return(ArrayBufferItemType.Float4);
}
// Signed Integer Types
else if (type == typeof(Int16))
{
return(ArrayBufferItemType.Short);
}
else if (type == typeof(Vertex2s))
{
return(ArrayBufferItemType.Short2);
}
else if (type == typeof(Vertex3s))
{
return(ArrayBufferItemType.Short3);
}
else if (type == typeof(Vertex4s))
{
return(ArrayBufferItemType.Short4);
}
else if (type == typeof(Int32))
{
return(ArrayBufferItemType.Int);
}
else if (type == typeof(Vertex2i))
{
return(ArrayBufferItemType.Int2);
}
else if (type == typeof(Vertex3i))
{
return(ArrayBufferItemType.Int3);
}
else if (type == typeof(Vertex4i))
{
return(ArrayBufferItemType.Int4);
}
// Unsigned Integer Types
else if (type == typeof(UInt16))
{
return(ArrayBufferItemType.UShort);
}
else if (type == typeof(Vertex2us))
{
return(ArrayBufferItemType.UShort2);
}
else if (type == typeof(Vertex3us))
{
return(ArrayBufferItemType.UShort3);
}
else if (type == typeof(Vertex4us))
{
return(ArrayBufferItemType.UShort4);
}
else if (type == typeof(UInt32))
{
return(ArrayBufferItemType.UInt);
}
else if (type == typeof(Vertex2ui))
{
return(ArrayBufferItemType.UInt2);
}
else if (type == typeof(Vertex3ui) || type == typeof(ColorRGB96))
{
return(ArrayBufferItemType.UInt3);
}
else if (type == typeof(Vertex4ui))
{
return(ArrayBufferItemType.UInt4);
}
// Half-Precision Floating-Point Types
else if (type == typeof(HalfFloat))
{
return(ArrayBufferItemType.Half);
}
else if (type == typeof(Vertex2hf))
{
return(ArrayBufferItemType.Half2);
}
else if (type == typeof(Vertex3hf))
{
return(ArrayBufferItemType.Half3);
}
else if (type == typeof(Vertex4hf))
{
return(ArrayBufferItemType.Half4);
}
// Single-Precision Floating-Point Matrix Types
else if (type == typeof(Matrix4x4f))
{
return(ArrayBufferItemType.Float4x4);
}
// Double-Precision Floating-Point Matrix Types
else if (type == typeof(Matrix4x4d))
{
return(ArrayBufferItemType.Double4x4);
}
else if (type == typeof(SByte))
{
return(ArrayBufferItemType.Byte);
}
else if (type == typeof(Byte))
{
return(ArrayBufferItemType.UByte);
}
else if (type == typeof(Double))
{
return(ArrayBufferItemType.Double);
}
else
{
ArrayBufferItemAttribute attribute = (ArrayBufferItemAttribute)Attribute.GetCustomAttribute(type, typeof(ArrayBufferItemAttribute));
if (attribute != null)
{
return(attribute.ArrayType);
}
}
throw new ArgumentException("not corresponding information", "type");
}