+init

1 files changed, 57 insertions, 0 deletions

diff --git a/UnityEngine.PostProcessing/RenderTextureFactory.cs b/UnityEngine.PostProcessing/RenderTextureFactory.cs
new file mode 100644
index 0000000..51d9f15
--- /dev/null
+++ b/UnityEngine.PostProcessing/RenderTextureFactory.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+
+namespace UnityEngine.PostProcessing;
+
+public sealed class RenderTextureFactory : IDisposable
+{
+	private HashSet<RenderTexture> m_TemporaryRTs;
+
+	public RenderTextureFactory()
+	{
+		m_TemporaryRTs = new HashSet<RenderTexture>();
+	}
+
+	public RenderTexture Get(RenderTexture baseRenderTexture)
+	{
+		return Get(baseRenderTexture.width, baseRenderTexture.height, baseRenderTexture.depth, baseRenderTexture.format, (!baseRenderTexture.sRGB) ? RenderTextureReadWrite.Linear : RenderTextureReadWrite.sRGB, baseRenderTexture.filterMode, baseRenderTexture.wrapMode);
+	}
+
+	public RenderTexture Get(int width, int height, int depthBuffer = 0, RenderTextureFormat format = RenderTextureFormat.ARGBHalf, RenderTextureReadWrite rw = RenderTextureReadWrite.Default, FilterMode filterMode = FilterMode.Bilinear, TextureWrapMode wrapMode = TextureWrapMode.Clamp, string name = "FactoryTempTexture")
+	{
+		RenderTexture temporary = RenderTexture.GetTemporary(width, height, depthBuffer, format, rw);
+		temporary.filterMode = filterMode;
+		temporary.wrapMode = wrapMode;
+		temporary.name = name;
+		m_TemporaryRTs.Add(temporary);
+		return temporary;
+	}
+
+	public void Release(RenderTexture rt)
+	{
+		if (!(rt == null))
+		{
+			if (!m_TemporaryRTs.Contains(rt))
+			{
+				throw new ArgumentException($"Attempting to remove a RenderTexture that was not allocated: {rt}");
+			}
+			m_TemporaryRTs.Remove(rt);
+			RenderTexture.ReleaseTemporary(rt);
+		}
+	}
+
+	public void ReleaseAll()
+	{
+		HashSet<RenderTexture>.Enumerator enumerator = m_TemporaryRTs.GetEnumerator();
+		while (enumerator.MoveNext())
+		{
+			RenderTexture.ReleaseTemporary(enumerator.Current);
+		}
+		m_TemporaryRTs.Clear();
+	}
+
+	public void Dispose()
+	{
+		ReleaseAll();
+	}
+}