阶段性完成
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SoulliesOfficial
239
Assets/PotaToon/Runtime/Scripts/PotaToonDitherFadePass.cs
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239
Assets/PotaToon/Runtime/Scripts/PotaToonDitherFadePass.cs
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using System;
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using UnityEngine;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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using UnityEngine.Experimental.Rendering;
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#if UNITY_6000_0_OR_NEWER
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using UnityEngine.Rendering.RenderGraphModule;
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#endif
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namespace PotaToon
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{
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public class PotaToonDitherFadePass : ScriptableRenderPass
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{
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private static class Property
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{
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public static readonly string SrcBlend = "_SrcBlend";
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public static readonly string DstBlend = "_DstBlend";
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public static readonly string SrcBlendAlpha = "_SrcBlendAlpha";
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public static readonly string DstBlendAlpha = "_DstBlendAlpha";
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}
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private static class ShaderTagIds
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{
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public static readonly ShaderTagId DitherFade = new ShaderTagId("OpaqueDitherFade");
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public static readonly ShaderTagId Outline = new ShaderTagId("OpaqueDitherFadeOutline");
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}
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private RTHandle m_PotaToonDitherFadeRT;
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private Material m_ResolveMaterial;
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private ProfilingSampler m_ProfilingSampler;
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#if UNITY_2021_3
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private RenderTargetIdentifier m_CameraColor;
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private RenderTargetIdentifier m_CameraDepth;
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#else
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private RTHandle m_CameraColor;
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private RTHandle m_CameraDepth;
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#endif
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public PotaToonDitherFadePass(string featureName)
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{
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renderPassEvent = RenderPassEvent.BeforeRenderingTransparents;
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m_ProfilingSampler = new ProfilingSampler(featureName);
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var blitShader = Shader.Find("Hidden/PotaToon/Blit");
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if (blitShader != null)
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m_ResolveMaterial = CoreUtils.CreateEngineMaterial(blitShader);
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}
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public void Dispose()
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{
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m_PotaToonDitherFadeRT?.Release();
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CoreUtils.Destroy(m_ResolveMaterial);
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}
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public void SetCameraTargetHandles(ScriptableRenderer renderer)
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{
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#if !UNITY_2021_3
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#if UNITY_6000_0_OR_NEWER
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#pragma warning disable CS0618
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#endif
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m_CameraColor = renderer.cameraColorTargetHandle;
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m_CameraDepth = renderer.cameraDepthTargetHandle;
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#if UNITY_6000_0_OR_NEWER
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#pragma warning restore CS0618
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#endif
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#endif
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}
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private RenderTextureDescriptor GetCompatibleDescriptor(ref RenderTextureDescriptor cameraTargetDescriptor)
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{
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var descriptor = cameraTargetDescriptor;
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descriptor.colorFormat = RenderTextureFormat.ARGB32;
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descriptor.depthStencilFormat = GraphicsFormat.None;
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return descriptor;
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}
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private void SetResolveMaterialBlendingMode(Material mat)
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{
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mat.SetInt(Property.SrcBlend, (int)BlendMode.One);
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mat.SetInt(Property.DstBlend, (int)BlendMode.OneMinusSrcAlpha);
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mat.SetInt(Property.SrcBlendAlpha, (int)BlendMode.One);
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mat.SetInt(Property.DstBlendAlpha, (int)BlendMode.OneMinusSrcAlpha);
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}
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#if UNITY_6000_0_OR_NEWER
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[Obsolete]
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#endif
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public override void OnCameraSetup(CommandBuffer cmd, ref RenderingData renderingData)
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{
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var descriptor = GetCompatibleDescriptor(ref renderingData.cameraData.cameraTargetDescriptor);
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RenderingUtils.ReAllocateIfNeeded(ref m_PotaToonDitherFadeRT, descriptor, FilterMode.Bilinear, name:"PotaToonDitherFadeTexture");
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#if UNITY_2021_3
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m_CameraColor = renderingData.cameraData.renderer.cameraColorTarget;
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m_CameraDepth = renderingData.cameraData.renderer.cameraDepthTarget;
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#endif
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}
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#if !UNITY_2021_3
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private static void ExecutePass(CommandBuffer cmd, RendererList rendererList)
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{
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cmd.DrawRendererList(rendererList);
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}
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#endif
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#if UNITY_6000_0_OR_NEWER
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[Obsolete]
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#endif
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public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
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{
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var cmd = CommandBufferPool.Get();
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using (new ProfilingScope(cmd, m_ProfilingSampler))
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{
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CoreUtils.SetRenderTarget(cmd, m_PotaToonDitherFadeRT, m_CameraDepth, ClearFlag.Color, 0, CubemapFace.Unknown, 0);
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#if UNITY_2021_3
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var rendererListDesc = new UnityEngine.Rendering.RendererUtils.RendererListDesc(ShaderTagIds.Outline, renderingData.cullResults, renderingData.cameraData.camera);
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rendererListDesc.sortingCriteria = SortingCriteria.CommonOpaque;
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rendererListDesc.renderQueueRange = RenderQueueRange.opaque;
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rendererListDesc.rendererConfiguration = renderingData.perObjectData;
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cmd.DrawRendererList(context.CreateRendererList(rendererListDesc));
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#else
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var filteringSettings = new FilteringSettings(RenderQueueRange.opaque);
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var drawSettings = RenderingUtils.CreateDrawingSettings(ShaderTagIds.Outline, ref renderingData, SortingCriteria.CommonOpaque);
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var param = new RendererListParams(renderingData.cullResults, drawSettings, filteringSettings);
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ExecutePass(cmd, context.CreateRendererList(ref param));
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#endif
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#if UNITY_2021_3
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rendererListDesc = new UnityEngine.Rendering.RendererUtils.RendererListDesc(ShaderTagIds.DitherFade, renderingData.cullResults, renderingData.cameraData.camera);
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rendererListDesc.sortingCriteria = SortingCriteria.CommonOpaque;
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rendererListDesc.renderQueueRange = RenderQueueRange.opaque;
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rendererListDesc.rendererConfiguration = renderingData.perObjectData;
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cmd.DrawRendererList(context.CreateRendererList(rendererListDesc));
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#else
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drawSettings = RenderingUtils.CreateDrawingSettings(ShaderTagIds.DitherFade, ref renderingData, SortingCriteria.CommonOpaque);
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param = new RendererListParams(renderingData.cullResults, drawSettings, filteringSettings);
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ExecutePass(cmd, context.CreateRendererList(ref param));
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#endif
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// Resolve
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if (m_ResolveMaterial != null)
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{
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CoreUtils.SetRenderTarget(cmd, m_CameraColor);
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SetResolveMaterialBlendingMode(m_ResolveMaterial);
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#if UNITY_2021_3
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Blitter2021.BlitTexture(cmd, m_PotaToonDitherFadeRT, Vector2.one, m_ResolveMaterial, 0);
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#else
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Blitter.BlitTexture(cmd, m_PotaToonDitherFadeRT, Vector2.one, m_ResolveMaterial, 0);
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#endif
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}
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}
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context.ExecuteCommandBuffer(cmd);
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CommandBufferPool.Release(cmd);
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}
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#if UNITY_6000_0_OR_NEWER
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#region RenderGraph
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private class PassData
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{
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public RendererListHandle rendererList;
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}
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private class BlitPassData
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{
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public TextureHandle ditherFadeHandle;
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public Material resolveMaterial;
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}
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private static void ExecutePass(RasterCommandBuffer cmd, RendererList rendererList)
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{
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cmd.DrawRendererList(rendererList);
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}
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public override void RecordRenderGraph(RenderGraph renderGraph, ContextContainer frameData)
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{
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var renderingData = frameData.Get<UniversalRenderingData>();
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var lightData = frameData.Get<UniversalLightData>();
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var cameraData = frameData.Get<UniversalCameraData>();
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var resourceData = frameData.Get<UniversalResourceData>();
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var filteringSettings = new FilteringSettings(RenderQueueRange.opaque);
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var descriptor = GetCompatibleDescriptor(ref cameraData.cameraTargetDescriptor);
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TextureHandle ditherFadeHandle = UniversalRenderer.CreateRenderGraphTexture(renderGraph, descriptor, "PotaToonDitherFadeTexture", true, FilterMode.Bilinear);
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using (var builder = renderGraph.AddRasterRenderPass<PassData>("[PotaToon] Dither Fade", out var passData, m_ProfilingSampler))
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{
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builder.AllowGlobalStateModification(true);
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builder.SetRenderAttachment(ditherFadeHandle, 0);
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builder.SetRenderAttachmentDepth(resourceData.activeDepthTexture, AccessFlags.ReadWrite);
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var drawSettings = RenderingUtils.CreateDrawingSettings(ShaderTagIds.Outline, renderingData, cameraData, lightData, SortingCriteria.CommonOpaque);
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var param = new RendererListParams(renderingData.cullResults, drawSettings, filteringSettings);
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passData.rendererList = renderGraph.CreateRendererList(param);
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builder.UseRendererList(passData.rendererList);
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builder.SetRenderFunc((PassData data, RasterGraphContext context) =>
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{
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ExecutePass(context.cmd, data.rendererList);
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});
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}
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using (var builder = renderGraph.AddRasterRenderPass<PassData>("[PotaToon] Dither Fade", out var passData, m_ProfilingSampler))
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{
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builder.AllowGlobalStateModification(true);
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builder.SetRenderAttachment(ditherFadeHandle, 0);
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builder.SetRenderAttachmentDepth(resourceData.activeDepthTexture, AccessFlags.ReadWrite);
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var drawSettings = RenderingUtils.CreateDrawingSettings(ShaderTagIds.DitherFade, renderingData, cameraData, lightData, SortingCriteria.CommonOpaque);
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var param = new RendererListParams(renderingData.cullResults, drawSettings, filteringSettings);
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passData.rendererList = renderGraph.CreateRendererList(param);
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builder.UseRendererList(passData.rendererList);
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builder.SetRenderFunc((PassData data, RasterGraphContext context) =>
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{
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ExecutePass(context.cmd, data.rendererList);
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});
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}
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if (m_ResolveMaterial != null)
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{
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using (var builder = renderGraph.AddRasterRenderPass<BlitPassData>("[PotaToon] Dither Fade Resolve", out var passData, m_ProfilingSampler))
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{
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builder.SetRenderAttachment(resourceData.cameraColor, 0);
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passData.ditherFadeHandle = ditherFadeHandle;
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passData.resolveMaterial = m_ResolveMaterial;
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if (ditherFadeHandle.IsValid())
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builder.UseTexture(ditherFadeHandle);
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builder.SetRenderFunc((BlitPassData data, RasterGraphContext context) =>
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{
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SetResolveMaterialBlendingMode(passData.resolveMaterial);
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Blitter.BlitTexture(context.cmd, data.ditherFadeHandle, Vector2.one, passData.resolveMaterial, 0);
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});
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}
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}
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}
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#endregion
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#endif
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}
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}
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