public void ResizeToAtLeast <T>(ref Buffer <T> buffer, int targetSize, int copyCount) where T : struct
{
//Only do anything if the new size is actually different from the current size.
Debug.Assert(copyCount <= targetSize && copyCount <= buffer.Length, "Can't copy more elements than exist in the source or target buffers.");
targetSize = GetCapacityForCount <T>(targetSize);
if (buffer.Length != targetSize) //Note that we don't check for allocated status- for buffers, a length of 0 is the same as being unallocated.
{
TakeAtLeast(targetSize, out Buffer <T> newBuffer);
if (buffer.Length > 0)
{
//Don't bother copying from or re-pooling empty buffers. They're uninitialized.
buffer.CopyTo(0, ref newBuffer, 0, copyCount);
ReturnUnsafely(buffer.Id);
}
else
{
Debug.Assert(copyCount == 0, "Should not be trying to copy elements from an empty span.");
}
buffer = newBuffer;
}
}
public void Resize <T>(ref Buffer <T> buffer, int targetSize, int copyCount)
{
//Only do anything if the new size is actually different from the current size.
targetSize = BufferPool <T> .GetLowestContainingElementCount(targetSize);
if (buffer.Length != targetSize) //Note that we don't check for allocated status- for buffers, a length of 0 is the same as being unallocated.
{
Take(targetSize, out Buffer <T> newBuffer);
if (buffer.Length > 0)
{
//Don't bother copying from or re-pooling empty buffers. They're uninitialized.
buffer.CopyTo(0, ref newBuffer, 0, copyCount);
ReturnUnsafely(buffer.Id);
}
else
{
Debug.Assert(copyCount == 0, "Should not be trying to copy elements from an empty span.");
}
buffer = newBuffer;
}
}