/// <summary>Update a CPU-writable buffer by mapping it with write+discard flags, and calling memcpy.</summary>
public static void writeBuffer(this IDeviceContext context, IBuffer buffer, ReadOnlySpan <byte> data)
{
unsafe
{
fixed(byte *pointer = &data.GetPinnableReference())
context.MapBufferWriteDiscard(buffer, (IntPtr)pointer, data.Length);
}
}
/// <summary>Update a CPU-writable buffer by mapping it with write+discard flags, and calling memcpy.</summary>
public static void writeBuffer <T>(this IDeviceContext context, IBuffer buffer, T[] array) where T : unmanaged
{
int cb = Marshal.SizeOf <T>() * array.Length;
unsafe
{
fixed(T *pointer = array)
context.MapBufferWriteDiscard(buffer, (IntPtr)pointer, cb);
}
}
/// <summary>Update a CPU-writable buffer by mapping it with write+discard flags, and calling memcpy.</summary>
public static void writeBuffer <T>(this IDeviceContext context, IBuffer buffer, ref T value) where T : unmanaged
{
int cb = Marshal.SizeOf <T>();
unsafe
{
fixed(T *pointer = &value)
context.MapBufferWriteDiscard(buffer, (IntPtr)pointer, cb);
}
}
