/// <summary>
/// Binds an index buffer to this command buffer
/// </summary>
/// <param name="buffer">buffer to bind</param>
/// <param name="offset">offset into buffer</param>
/// <returns>this</returns>
public void BindIndexBuffer(IBindableBuffer buffer, VkIndexType type, ulong offset = 0)
{
var bh = buffer.BindingHandle.Handle;
offset += buffer.Offset;
VkCommandBuffer.vkCmdBindIndexBuffer(Handle, bh, offset, type);
}