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#if UNITY_EDITOR
using System.Collections.Generic;
using UnityEngine.UI.Collections;
namespace UnityEngine.UI
{
public static class GraphicRebuildTracker
{
static IndexedSet<Graphic> m_Tracked = new IndexedSet<Graphic>();
static bool s_Initialized;
public static void TrackGraphic(Graphic g)
{
if (!s_Initialized)
{
CanvasRenderer.onRequestRebuild += OnRebuildRequested;
s_Initialized = true;
}
m_Tracked.AddUnique(g);
}
public static void UnTrackGraphic(Graphic g)
{
m_Tracked.Remove(g);
}
static void OnRebuildRequested()
{
StencilMaterial.ClearAll();
for (int i = 0; i < m_Tracked.Count; i++)
{
m_Tracked[i].OnRebuildRequested();
}
}
}
}
#endif // if UNITY_EDITOR
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