initial commit

Assets/AHProxy/PlanetShader/DemoScene/Standard Assets/Effects/Common/RenderTextureUtility.cs

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+using System.Collections.Generic;
+using UnityEngine;
+
+namespace UnityStandardAssets.CinematicEffects
+{
+    public class RenderTextureUtility
+    {
+        //Temporary render texture handling
+        private List<RenderTexture> m_TemporaryRTs = new List<RenderTexture>();
+
+        public RenderTexture GetTemporaryRenderTexture(int width, int height, int depthBuffer = 0, RenderTextureFormat format = RenderTextureFormat.ARGBHalf, FilterMode filterMode = FilterMode.Bilinear)
+        {
+            var rt = RenderTexture.GetTemporary(width, height, depthBuffer, format);
+            rt.filterMode = filterMode;
+            rt.wrapMode = TextureWrapMode.Clamp;
+            rt.name = "RenderTextureUtilityTempTexture";
+            m_TemporaryRTs.Add(rt);
+            return rt;
+        }
+
+        public void ReleaseTemporaryRenderTexture(RenderTexture rt)
+        {
+            if (rt == null)
+                return;
+
+            if (!m_TemporaryRTs.Contains(rt))
+            {
+                Debug.LogErrorFormat("Attempting to remove texture that was not allocated: {0}", rt);
+                return;
+            }
+
+            m_TemporaryRTs.Remove(rt);
+            RenderTexture.ReleaseTemporary(rt);
+        }
+
+        public void ReleaseAllTemporaryRenderTextures()
+        {
+            for (int i = 0; i < m_TemporaryRTs.Count; ++i)
+                RenderTexture.ReleaseTemporary(m_TemporaryRTs[i]);
+
+            m_TemporaryRTs.Clear();
+        }
+    }
+}