Axiom.RenderSystems.DirectX9.D3DHelper.ConvertEnum C# (CSharp) Méthode

		public static D3D.Usage ConvertEnum( BufferUsage usage )
		{
#if ORIG
			D3D.Usage d3dUsage = 0;

			if ( usage == BufferUsage.Dynamic ||
				usage == BufferUsage.DynamicWriteOnly )

				d3dUsage |= D3D.Usage.Dynamic;
			if ( usage == BufferUsage.WriteOnly ||
				usage == BufferUsage.StaticWriteOnly ||
				usage == BufferUsage.DynamicWriteOnly )

				d3dUsage |= D3D.Usage.WriteOnly;

			return d3dUsage;
#else
			D3D.Usage ret = 0;

			if ( ( usage & BufferUsage.Dynamic ) != 0 )
			{
#if !NO_AXIOM_D3D_MANAGE_BUFFERS
				// Only add the dynamic flag for the default pool, and
				// we use default pool when buffer is discardable
				if ( ( usage & BufferUsage.Discardable ) != 0 )
					ret |= D3D.Usage.Dynamic;
#else
				ret |= D3D.Usage.Dynamic;
#endif
			}
			if ( ( usage & BufferUsage.WriteOnly ) != 0 )
			{
				ret |= D3D.Usage.WriteOnly;
			}
			return ret;
#endif
		}

 //---------------------------------------------------------------------
 public bool RecreateIfDefaultPool(D3D.Device device)
 {
     if (d3dPool == Pool.Default)
     {
         // Create the d3d vertex buffer
         d3dBuffer = new D3D.VertexBuffer(
             typeof(byte),
             sizeInBytes,
             device,
             D3DHelper.ConvertEnum(usage),
             VertexFormats.None,
             d3dPool);
         return(true);
     }
     return(false);
 }