public static Scope <UnmanagedBuffer> Alloc <TStruct>(EHeap mem, TStruct init)
where TStruct : struct
{
var buf = Alloc(mem, typeof(TStruct), 1);
buf.Value.Init(init);
return(buf);
}
/// <summary>Copy a managed string into unmanaged memory, converting to UTF8 format if required</summary>
public static Scope <IntPtr> AllocUTF8String(EHeap mem, string str)
{
return(Scope.Create(
() => mem switch
{
EHeap.HGlobal => Marshal.StringToHGlobalAnsi(str),
EHeap.CoTaskMem => Marshal.StringToCoTaskMemAnsi(str),
_ => throw new Exception($"Unknown global memory type: {mem}"),
},
public static Scope <UnmanagedBuffer> Alloc(EHeap mem, Type type, int count = 1)
{
return(Scope.Create(
() => new UnmanagedBuffer(mem, type, count),
buf => buf.Dispose()));
}
public static Scope <UnmanagedBuffer> Alloc <TStruct>(EHeap mem, int count = 1)
where TStruct : struct
{
return(Alloc(mem, typeof(TStruct), count));
}
/// <summary>RAII scope for allocated global memory</summary>
public static Scope <UnmanagedBuffer> Alloc(EHeap mem, int size_in_bytes)
{
return(Alloc(mem, typeof(byte), size_in_bytes));
}
