コード例 #1
0
        public static D3D11_MAPPED_SUBRESOURCE Map(this ID3D11DeviceContext context, ID3D11Resource resource, int subResource, D3D11_MAP mapType, D3D11_MAP_FLAG mapFlag = 0)
        {
            if (context == null)
            {
                throw new ArgumentNullException(nameof(context));
            }

            if (resource == null)
            {
                throw new ArgumentNullException(nameof(resource));
            }

            using (var ptr = new ComMemory(Marshal.SizeOf <D3D11_MAPPED_SUBRESOURCE>()))
            {
                context.Map(resource, (uint)subResource, mapType, (uint)mapFlag, ptr.Pointer).ThrowOnError();
                return(ptr.ToStructure <D3D11_MAPPED_SUBRESOURCE>());
            }
        }
コード例 #2
0
        public static void WithMap <T>(this IComObject <ID3D11DeviceContext> context, IComObject <ID3D11Resource> resource, int subResource, D3D11_MAP mapType, MapAction <T> action, D3D11_MAP_FLAG mapFlag = 0)
        {
            if (action == null)
            {
                throw new ArgumentNullException(nameof(action));
            }

            var map = Map(context, resource, subResource, mapType, mapFlag);

            try
            {
                var structure = Marshal.PtrToStructure <T>(map.pData);
                action(ref map, ref structure);
                Marshal.StructureToPtr(structure, map.pData, false);
            }
            finally
            {
                Unmap(context, resource, subResource);
            }
        }
コード例 #3
0
 public static D3D11_MAPPED_SUBRESOURCE Map(this IComObject <ID3D11DeviceContext> context, IComObject <ID3D11Resource> resource, int subResource, D3D11_MAP mapType, D3D11_MAP_FLAG mapFlag = 0) => Map(context?.Object, resource?.Object, subResource, mapType, mapFlag);