public GltfBufferView Extend(Memory <byte> array, int stride, GltfBufferTargetType target)
{
var tmp = m_bytes;
// alignment
var padding = m_used % stride == 0 ? 0 : stride - m_used % stride;
if (m_bytes == null || m_used + padding + array.Length > m_bytes.Length)
{
// recreate buffer
var newSize = Math.Max(m_used + padding + array.Length, m_bytes.Length * 2);
m_bytes = new Byte[newSize];
if (m_used > 0)
{
// Buffer.BlockCopy(tmp, 0, m_bytes, 0, m_used);
tmp.AsSpan().Slice(0, m_used).CopyTo(m_bytes);
}
}
if (m_used + padding + array.Length > m_bytes.Length)
{
throw new ArgumentOutOfRangeException();
}
array.CopyTo(m_bytes.AsMemory().Slice(m_used + padding, array.Length));
var result = new GltfBufferView
{
buffer = 0,
byteLength = array.Length,
byteOffset = m_used + padding,
target = target,
};
if (target == GltfBufferTargetType.ARRAY_BUFFER)
{
result.byteStride = stride;
}
m_used = m_used + padding + array.Length;
return(result);
}
public GltfBufferView Extend(Memory <byte> array, int stride, GltfBufferTargetType target)
{
throw new NotImplementedException();
}
