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Source/Engine/Graphics/RenderTargetPool.h

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Textures/GPUTexture.h"
+
+/// <summary>
+/// Utility for pooling render target resources with reusing and sharing resources during rendering.
+/// </summary>
+API_CLASS(Static) class FLAXENGINE_API RenderTargetPool
+{
+DECLARE_SCRIPTING_TYPE_NO_SPAWN(RenderTargetPool);
+public:
+
+    /// <summary>
+    /// Flushes the temporary render targets.
+    /// </summary>
+    /// <param name="force">True if release unused render targets by force, otherwise will use a few frames of delay.</param>
+    static void Flush(bool force = false);
+
+    /// <summary>
+    /// Gets a temporary render target.
+    /// </summary>
+    /// <param name="desc">The texture description.</param>
+    /// <returns>The allocated render target or reused one.</returns>
+    API_FUNCTION() static GPUTexture* Get(API_PARAM(Ref) const GPUTextureDescription& desc);
+
+    /// <summary>
+    /// Releases a temporary render target.
+    /// </summary>
+    /// <param name="rt">The reference to temporary target to release.</param>
+    API_FUNCTION() static void Release(GPUTexture* rt);
+};