private GlUniformBlockBinding(int bindingPoint, string key)
{
BindingPoint = bindingPoint;
Key = key;
BindingsByBlockName[key] = BindingsByBindingPoint[bindingPoint] = this;
BufferRef = new GlBufferRef();
}
/// <summary>
/// Initializes a new instance of the <see cref="GlBufferRef"/> class,
/// that refers to the same buffer as a given existing reference.
/// </summary>
/// <param name="bufferRef">The existing buffer reference.</param>
public GlBufferRef(GlBufferRef bufferRef)
{
this.buffer = bufferRef.buffer;
this.buffer.Use();
}