public static IMTLBuffer CreateBuffer <T> (this IMTLDevice This, T [] data, MTLResourceOptions options) where T : struct
{
var handle = GCHandle.Alloc(data, GCHandleType.Pinned); // This requires a pinned GCHandle, since it's not possible to use unsafe code to get the address of a generic object.
try {
IntPtr ptr = handle.AddrOfPinnedObject();
return(This.CreateBuffer(ptr, (nuint)(data.Length * Marshal.SizeOf(typeof(T))), options));
} finally {
handle.Free();
}
}
public static IMTLBuffer CreateBuffer <T> (this IMTLDevice This, T [] data, MTLResourceOptions options) where T : struct
{
var handle = GCHandle.Alloc(data, GCHandleType.Pinned);
try {
IntPtr ptr = handle.AddrOfPinnedObject();
return(This.CreateBuffer(ptr, (nuint)(data.Length * Marshal.SizeOf(typeof(T))), options));
} finally {
handle.Free();
}
}
public static extern IntPtr IntPtr_objc_msgSend(IntPtr receiver, Selector selector, void *a, UIntPtr b, MTLResourceOptions c);
public static IMTLBuffer?CreateBufferNoCopy <T> (this IMTLDevice This, T [] data, MTLResourceOptions options, MTLDeallocator deallocator) where T : struct
{
if (data == null)
{
ObjCRuntime.ThrowHelper.ThrowArgumentNullException(nameof(data));
}
var handle = GCHandle.Alloc(data, GCHandleType.Pinned); // This requires a pinned GCHandle, since it's not possible to use unsafe code to get the address of a generic object.
IntPtr ptr = handle.AddrOfPinnedObject();
return(This.CreateBufferNoCopy(ptr, (nuint)(data.Length * Marshal.SizeOf(typeof(T))), options, (pointer, length) => {
handle.Free();
deallocator(pointer, length);
}));
}
