Files
Cielonos/Assets/PotaToon/Runtime/Scripts/OITDepthPass.cs
SoulliesOfficial f7af60351b 阶段性完成
2025-12-08 05:27:53 -05:00

107 lines
4.3 KiB
C#

using System;
using UnityEngine;
using UnityEngine.Experimental.Rendering;
using UnityEngine.Rendering;
using UnityEngine.Rendering.Universal;
#if UNITY_6000_0_OR_NEWER
using UnityEngine.Rendering.RenderGraphModule;
#endif
namespace PotaToon
{
public class OITDepthPass : ScriptableRenderPass
{
private static readonly ShaderTagId k_ShaderTagId = new ShaderTagId("OITDepth");
private RTHandle m_OITDepthRT;
private ProfilingSampler m_ProfilingSampler;
private FilteringSettings m_FilteringSettings;
public OITDepthPass(string featureName)
{
m_FilteringSettings = new FilteringSettings(RenderQueueRange.transparent);
renderPassEvent = RenderPassEvent.AfterRenderingOpaques;
m_ProfilingSampler = new ProfilingSampler(featureName);
}
public void Dispose()
{
m_OITDepthRT?.Release();
}
#if UNITY_6000_0_OR_NEWER
[Obsolete]
#endif
public override void OnCameraSetup(CommandBuffer cmd, ref RenderingData renderingData)
{
var cameraDescriptor = renderingData.cameraData.cameraTargetDescriptor;
var descriptor = new RenderTextureDescriptor(cameraDescriptor.width, cameraDescriptor.height, RenderTextureFormat.RFloat, 0);
descriptor.sRGB = false;
descriptor.autoGenerateMips = false;
RenderingUtils.ReAllocateIfNeeded(ref m_OITDepthRT, descriptor, FilterMode.Point, name:"_OITDepthTexture");
cmd.SetGlobalTexture(ShaderIDs._OITDepthTexture, m_OITDepthRT);
ConfigureTarget(m_OITDepthRT);
ConfigureClear(ClearFlag.All, Color.black);
}
#if UNITY_6000_0_OR_NEWER
[Obsolete]
#endif
public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
{
var cmd = CommandBufferPool.Get();
using (new ProfilingScope(cmd, m_ProfilingSampler))
{
context.ExecuteCommandBuffer(cmd);
cmd.Clear();
var drawSettings = RenderingUtils.CreateDrawingSettings(k_ShaderTagId, ref renderingData, SortingCriteria.CommonTransparent);
context.DrawRenderers(renderingData.cullResults, ref drawSettings, ref m_FilteringSettings);
}
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
#if UNITY_6000_0_OR_NEWER
#region RenderGraph
private class PassData
{
public RendererListHandle rendererList;
}
public override void RecordRenderGraph(RenderGraph renderGraph, ContextContainer frameData)
{
var renderingData = frameData.Get<UniversalRenderingData>();
var cameraData = frameData.Get<UniversalCameraData>();
var lightData = frameData.Get<UniversalLightData>();
var descriptor = new RenderTextureDescriptor(cameraData.cameraTargetDescriptor.width, cameraData.cameraTargetDescriptor.height, RenderTextureFormat.RFloat, 0);
descriptor.sRGB = false;
descriptor.autoGenerateMips = false;
descriptor.depthStencilFormat = GraphicsFormat.None;
TextureHandle output = UniversalRenderer.CreateRenderGraphTexture(renderGraph, descriptor, "_OITDepthTexture", true);
using (var builder = renderGraph.AddRasterRenderPass<PassData>("[PotaToon] OIT Depth", out var passData, m_ProfilingSampler))
{
builder.SetRenderAttachment(output, 0);
if (output.IsValid())
builder.SetGlobalTextureAfterPass(output, ShaderIDs._OITDepthTexture);
var drawSettings = RenderingUtils.CreateDrawingSettings(k_ShaderTagId, renderingData, cameraData, lightData, SortingCriteria.CommonTransparent);
var param = new RendererListParams(renderingData.cullResults, drawSettings, m_FilteringSettings);
passData.rendererList = renderGraph.CreateRendererList(param);
builder.UseRendererList(passData.rendererList);
builder.SetRenderFunc((PassData data, RasterGraphContext context) =>
{
context.cmd.DrawRendererList(data.rendererList);
});
}
}
#endregion
#endif
}
}