#region License
#endregion
namespace
Microsoft.Xna.Framework.Graphics
{
/// <summary>
/// Helper class which ensures we only lookup a vertex
/// declaration for a particular type once.
/// </summary>
/// <typeparam name="T">A vertex structure which implements IVertexType.</typeparam>
internal
static
class
VertexDeclarationCache<T>
where T :
struct
, IVertexType
{
#region Public Static Properties
public
static
VertexDeclaration VertexDeclaration
{
get
{
if
(cached ==
null
)
{
cached = VertexDeclaration.FromType(
typeof
(T));
}
return
cached;
}
}
#endregion
#region Private Static Variables
private
static
VertexDeclaration cached;
#endregion
}
}