75 lines
2.9 KiB
C#
75 lines
2.9 KiB
C#
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using System.Collections;
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using UnityEngine;
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namespace Rive.Components.Utilities
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{
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internal class RendererUtils
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{
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static WaitForEndOfFrame s_waitForEndOfFrame = new WaitForEndOfFrame();
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/// <summary>
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/// Creates a renderer without a backing render texture.
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/// </summary>
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/// <returns> The created renderer. </returns>
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public static Renderer CreateRenderer()
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{
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RenderQueue renderQueue = new RenderQueue(null, true, RenderPipelineHelper.CurrentHandler as MonoBehaviour); // Use the current render pipeline handler as the coroutine helper since it already exists
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return renderQueue.Renderer();
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}
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/// <summary>
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/// Creates a renderer with the given render texture.
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/// </summary>
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/// <param name="renderTexture"> The render texture to use with the renderer. </param>
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/// <returns> The created renderer. </returns>
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public static Renderer CreateRenderer(RenderTexture renderTexture)
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{
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RenderQueue renderQueue = new RenderQueue(renderTexture, true, RenderPipelineHelper.CurrentHandler as MonoBehaviour); // Use the current render pipeline handler as the coroutine helper since it already exists
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return renderQueue.Renderer();
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}
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/// <summary>
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/// Releases the renderer, its underlying render queue, and its resources.
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/// </summary>
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/// <param name="renderer"> The renderer to release. </param>
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public static void ReleaseRenderer(Renderer renderer)
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{
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if (renderer?.RenderQueue == null) return;
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// We need a monobehaviour to start a coroutine , so we use the current handler
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// We could also create a new GameObject to start the coroutine, but for now, we know that there's a handler already for each render pipeline so we use that
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// In the future, we should consider making a dedicated GameObject for this.
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MonoBehaviour coroutineHelper = RenderPipelineHelper.CurrentHandler as MonoBehaviour;
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if (Application.isPlaying && coroutineHelper != null)
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{
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coroutineHelper.StartCoroutine(DeferredRelease(renderer));
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}
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else
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{
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// In edit mode, we can't use coroutines, so we release the renderer immediately.
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renderer.RenderQueue.Dispose();
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}
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}
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private static IEnumerator DeferredRelease(Renderer renderer)
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{
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// Wait for render thread to complete current frame to release the renderer
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// This helps us avoid issues/crashes when disposing the native pointer before the camera is done rendering.
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yield return s_waitForEndOfFrame;
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if (renderer?.RenderQueue != null)
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{
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renderer.RenderQueue.Dispose();
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}
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}
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}
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}
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