【add】主入口初始化

Assets/Plugins/Easy performant outline/Scripts/RTHandlePool.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using EPOOutline.Utility;
+using UnityEngine;
+using UnityEngine.Rendering;
+
+namespace EPOOutline
+{
+    public class RTHandlePool : IDisposable
+    {
+        private class PoolSegment : IDisposable
+        {
+            private List<RTHandle> allocated = new List<RTHandle>();
+            private Queue<RTHandle> free = new Queue<RTHandle>();
+            
+            public RTHandle GetFree()
+            {
+                if (free.Count != 0)
+                    return free.Dequeue();
+
+                var newCreated = OutlineEffect.HandleSystem.Alloc(new RenderTargetIdentifier());
+                allocated.Add(newCreated);
+
+                return newCreated;
+            }
+            
+            public void ReleaseAll()
+            {
+                free.Clear();
+                foreach (var entry in allocated)
+                    free.Enqueue(entry);
+            }
+
+            public void Dispose()
+            {
+                foreach (var entry in allocated)
+                {
+#if !UNITY_6000_0_OR_NEWER
+                    RTHandleUtility.RemoveDelegates(entry);
+#endif
+                    entry.Release();
+                }
+
+                allocated.Clear();
+                free.Clear();
+            }
+        }
+
+        private readonly PoolSegment textureSegment = new PoolSegment();
+        private readonly PoolSegment rtiSegment = new PoolSegment();
+        
+        public RTHandle Allocate(Texture target)
+        {
+            var entry = textureSegment.GetFree();
+            entry.SetTexture(target);
+
+            return entry;
+        }
+
+        public RTHandle Allocate(RenderTargetIdentifier target)
+        {
+            var entry = rtiSegment.GetFree();
+            entry.SetRenderTargetIdentifier(target);
+            return entry;
+        }
+
+        public void ReleaseAll()
+        {
+            textureSegment.ReleaseAll();
+            rtiSegment.ReleaseAll();
+        }
+
+        public void Dispose()
+        {
+            textureSegment.Dispose();
+            rtiSegment.Dispose();
+        }
+    }
+}