95 lines
3.7 KiB
C#
95 lines
3.7 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.Rendering.Universal.Internal;
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namespace UnityEngine.Rendering.Universal
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{
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/// <summary>
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/// Type acts as wrapper for post process passes. Can we be recreated and destroyed at any point during runtime with post process data.
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/// </summary>
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internal struct PostProcessPasses : IDisposable
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{
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ColorGradingLutPass m_ColorGradingLutPass;
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PostProcessPass m_PostProcessPass;
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PostProcessPass m_FinalPostProcessPass;
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RenderTargetHandle m_AfterPostProcessColor;
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RenderTargetHandle m_ColorGradingLut;
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PostProcessData m_RendererPostProcessData;
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PostProcessData m_CurrentPostProcessData;
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Material m_BlitMaterial;
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public ColorGradingLutPass colorGradingLutPass { get => m_ColorGradingLutPass; }
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public PostProcessPass postProcessPass { get => m_PostProcessPass; }
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public PostProcessPass finalPostProcessPass { get => m_FinalPostProcessPass; }
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public RenderTargetHandle afterPostProcessColor { get => m_AfterPostProcessColor; }
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public RenderTargetHandle colorGradingLut { get => m_ColorGradingLut; }
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public bool isCreated { get => m_CurrentPostProcessData != null; }
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public PostProcessPasses(PostProcessData rendererPostProcessData, Material blitMaterial)
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{
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m_ColorGradingLutPass = null;
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m_PostProcessPass = null;
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m_FinalPostProcessPass = null;
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m_AfterPostProcessColor = new RenderTargetHandle();
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m_ColorGradingLut = new RenderTargetHandle();
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m_CurrentPostProcessData = null;
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m_AfterPostProcessColor.Init("_AfterPostProcessTexture");
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m_ColorGradingLut.Init("_InternalGradingLut");
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m_RendererPostProcessData = rendererPostProcessData;
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m_BlitMaterial = blitMaterial;
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Recreate(rendererPostProcessData);
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}
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/// <summary>
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/// Recreates post process passes with supplied data. If already contains valid post process passes, they will be replaced by new ones.
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/// </summary>
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/// <param name="data">Resources used for creating passes. In case of the null, no passes will be created.</param>
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public void Recreate(PostProcessData data)
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{
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if (m_RendererPostProcessData)
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data = m_RendererPostProcessData;
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if (data == m_CurrentPostProcessData)
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return;
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if (m_CurrentPostProcessData != null)
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{
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m_ColorGradingLutPass?.Cleanup();
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m_PostProcessPass?.Cleanup();
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m_FinalPostProcessPass?.Cleanup();
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// We need to null post process passes to avoid using them
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m_ColorGradingLutPass = null;
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m_PostProcessPass = null;
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m_FinalPostProcessPass = null;
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m_CurrentPostProcessData = null;
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}
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if (data != null)
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{
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m_ColorGradingLutPass = new ColorGradingLutPass(RenderPassEvent.BeforeRenderingPrePasses, data);
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m_PostProcessPass = new PostProcessPass(RenderPassEvent.BeforeRenderingPostProcessing, data, m_BlitMaterial);
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m_FinalPostProcessPass = new PostProcessPass(RenderPassEvent.AfterRenderingPostProcessing, data, m_BlitMaterial);
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m_CurrentPostProcessData = data;
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}
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}
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public void Dispose()
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{
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// always dispose unmanaged resources
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m_ColorGradingLutPass?.Cleanup();
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m_PostProcessPass?.Cleanup();
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m_FinalPostProcessPass?.Cleanup();
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}
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}
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}
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