public void Dispose(OpenGlContext context)
{
var disable = context.Enable();
Parameters.Dispose();
Model.Dispose();
if (disable)
{
context.Disable();
}
}
/// <summary>
/// disposes all filters from old list which are no longer used in new list
/// </summary>
/// <param name="newList"></param>
/// <param name="oldList"></param>
/// <param name="context"></param>
public static void DisposeUnusedFilter(IReadOnlyList <FilterModel> newList, IReadOnlyList <FilterModel> oldList, OpenGlContext context)
{
var disable = context.Enable();
foreach (var old in oldList)
{
// delete if the filter is not used in new list
if (newList.All(newFilter => !ReferenceEquals(newFilter, old)))
{
old.Dispose();
}
}
if (disable)
{
context.Disable();
}
}