后处理+FEEL完全改进

2025-12-22 18:36:29 -05:00
parent c3914da4ac
commit a2052bfe16
1427 changed files with 193092 additions and 374110 deletions
--- a/Assets/Shaders/ScriptablePostProcessor/Base/ScriptablePostProcessorPass.cs
+++ b/Assets/Shaders/ScriptablePostProcessor/Base/ScriptablePostProcessorPass.cs
@@ -0,0 +1,146 @@
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+using UnityEngine.Rendering;
+using UnityEngine.Rendering.RenderGraphModule;
+using UnityEngine.Rendering.Universal;
+
+namespace SLSFramework.Rendering.PostProcessing
+{
+    public class ScriptablePostProcessorPass : ScriptableRenderPass
+    {
+        private List<ScriptablePostProcessorVolume> postProcessors;
+        private List<int> activePostProcessorIndex;
+
+        private string profilerTag;
+        private List<ProfilingSampler> profilingSamplers;
+        
+
+        public ScriptablePostProcessorPass(string profilerTag, List<ScriptablePostProcessorVolume> postProcessors)
+        {
+            this.profilerTag = profilerTag;
+            this.postProcessors = postProcessors;
+            activePostProcessorIndex = new List<int>(postProcessors.Count);
+            profilingSamplers = postProcessors.Select(c => new ProfilingSampler(c.ToString())).ToList();
+        }
+        
+        private RenderingData m_RenderingData;
+
+        private class PassData
+        {
+            public TextureHandle SourceTexture;
+            public TextureHandle TargetTexture;
+            public TextureHandle TempTextureA;
+            public TextureHandle TempTextureB;
+            public List<int> ActiveIndices;
+            public List<ScriptablePostProcessorVolume> Volumes;
+            public List<ProfilingSampler> Profilers;
+            public RenderingData RenderingData; // 数据结构保持不变
+        }
+
+        // 修改 Setup：接收 RenderingData 并保存
+        // 注意：这里的 Setup 需要在 AddRenderPasses 中调用
+        public bool Setup(ref RenderingData renderingData)
+        {
+            this.m_RenderingData = renderingData; // 捕获数据
+
+            activePostProcessorIndex.Clear();
+            for (int i = 0; i < postProcessors.Count; i++)
+            {
+                postProcessors[i].Setup();
+                if (postProcessors[i].IsActive())
+                {
+                    activePostProcessorIndex.Add(i);
+                }
+            }
+            return activePostProcessorIndex.Count != 0;
+        }
+
+        public override void RecordRenderGraph(RenderGraph renderGraph, ContextContainer frameData)
+        {
+            var resourceData = frameData.Get<UniversalResourceData>();
+            var cameraData = frameData.Get<UniversalCameraData>();
+
+            // 如果没有激活的后处理，直接跳过
+            if (activePostProcessorIndex.Count == 0) return;
+
+            // 1. 获取相机的基础描述符 (这是旧的 RenderTextureDescriptor)
+            var cameraDesc = cameraData.cameraTargetDescriptor;
+
+            // 2. 【核心修正】创建一个新的 RenderGraph 专用描述符 (TextureDesc)
+            // 只有 TextureDesc 才能设置 name，也不能直接把 cameraDesc 强转过去，必须手动赋值
+            var rgDesc = new TextureDesc(cameraDesc.width, cameraDesc.height);
+            rgDesc.colorFormat = cameraDesc.graphicsFormat;
+            rgDesc.depthBufferBits = DepthBits.None; // 后处理不需要深度
+            rgDesc.msaaSamples = MSAASamples.None; // 后处理通常不需要 MSAA
+
+            using (var builder = renderGraph.AddUnsafePass<PassData>(profilerTag, out var passData))
+            {
+                // 填充数据
+                passData.SourceTexture = resourceData.activeColorTexture;
+                passData.TargetTexture = resourceData.activeColorTexture;
+                passData.ActiveIndices = activePostProcessorIndex;
+                passData.Volumes = postProcessors;
+                passData.Profilers = profilingSamplers;
+
+                // 使用我们在 Setup 中缓存的旧版数据 (解决 UniversalRenderingData 找不到的问题)
+                passData.RenderingData = m_RenderingData;
+
+                // 3. 【核心修正】设置名字并创建纹理
+                // 这里使用的是 rgDesc (TextureDesc 类型)，它有 name 属性
+                rgDesc.name = "_TemporaryRenderTextureA";
+                passData.TempTextureA = renderGraph.CreateTexture(rgDesc);
+
+                rgDesc.name = "_TemporaryRenderTextureB";
+                passData.TempTextureB = renderGraph.CreateTexture(rgDesc);
+
+                // 声明依赖关系 (保持不变)
+                builder.UseTexture(passData.SourceTexture, AccessFlags.Read);
+                builder.UseTexture(passData.TempTextureA, AccessFlags.ReadWrite);
+                builder.UseTexture(passData.TempTextureB, AccessFlags.ReadWrite);
+                builder.UseTexture(passData.TargetTexture, AccessFlags.ReadWrite);
+
+                // 设置执行逻辑 (保持不变)
+                builder.SetRenderFunc((PassData data, UnsafeGraphContext context) =>
+                {
+                    var cmd = CommandBufferHelpers.GetNativeCommandBuffer(context.cmd);
+
+                    var source = data.SourceTexture;
+                    var target = data.TargetTexture;
+                    var tempA = data.TempTextureA;
+                    var tempB = data.TempTextureB;
+
+                    if (data.ActiveIndices.Count == 1)
+                    {
+                        int index = data.ActiveIndices[0];
+                        using (new ProfilingScope(cmd, data.Profilers[index]))
+                        {
+                            data.Volumes[index].Render(cmd, ref data.RenderingData, source, tempA);
+                        }
+
+                        Blitter.BlitCameraTexture(cmd, tempA, target);
+                    }
+                    else
+                    {
+                        Blitter.BlitCameraTexture(cmd, source, tempA);
+                        var currSource = tempA;
+                        var currDest = tempB;
+
+                        foreach (int index in data.ActiveIndices)
+                        {
+                            var postProcessor = data.Volumes[index];
+                            using (new ProfilingScope(cmd, data.Profilers[index]))
+                            {
+                                postProcessor.Render(cmd, ref data.RenderingData, currSource, currDest);
+                            }
+
+                            CoreUtils.Swap(ref currSource, ref currDest);
+                        }
+
+                        Blitter.BlitCameraTexture(cmd, currSource, target);
+                    }
+                });
+            }
+        }
+    }
+}