0312 新加载图

hch

2024-02-28 c2a1eb72b3a98c76609bea69ac7b07ecd8c5e991

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using System;
using System.Collections.Generic;
 
namespace UnityEngine.PostProcessing
{
    public sealed class RenderTextureFactory : IDisposable
    {
        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.sRGB : RenderTextureReadWrite.Linear,
                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")
        {
            var rt = RenderTexture.GetTemporary(width, height, depthBuffer, format, rw); // add forgotten param rw
            rt.filterMode = filterMode;
            rt.wrapMode = wrapMode;
            rt.name = name;
            m_TemporaryRTs.Add(rt);
            return rt;
        }
 
        public void Release(RenderTexture rt)
        {
            if (rt == null)
                return;
 
            if (!m_TemporaryRTs.Contains(rt))
                throw new ArgumentException(string.Format("Attempting to remove a RenderTexture that was not allocated: {0}", rt));
 
            m_TemporaryRTs.Remove(rt);
            RenderTexture.ReleaseTemporary(rt);
        }
 
        public void ReleaseAll()
        {
            var enumerator = m_TemporaryRTs.GetEnumerator();
            while (enumerator.MoveNext())
                RenderTexture.ReleaseTemporary(enumerator.Current);
 
            m_TemporaryRTs.Clear();
        }
 
        public void Dispose()
        {
            ReleaseAll();
        }
    }
}